diff options
| author | Simon Horman <horms+renesas@verge.net.au> | 2013-04-02 11:08:34 +0900 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-04-02 11:08:34 +0900 |
| commit | 809609a5d8427b0025304dbb69a84a692d11c4f9 (patch) | |
| tree | 95a544cda32d36e4a9ee1ce27c527406c54d91b4 /arch/arm/mach-shmobile | |
| parent | a4339a9cb46644e19278e4dd5d89b262a37cb0b0 (diff) | |
| parent | 8585deb18580d04209a2986430aa0959ef38fce2 (diff) | |
Merge branch 'soc' into pinmux-base
Conflicts:
drivers/pinctrl/sh-pfc/pfc-r8a7740.c
This merge is to provide r8a73a4 SoC files, which are added in the
soc branch and depended on by r8a73a4 pfc-changes which are to
be added to the pinmux branch.
Diffstat (limited to 'arch/arm/mach-shmobile')
37 files changed, 1866 insertions, 1418 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 9255546e7bf6..ff674c5f2d03 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -16,12 +16,30 @@ config ARCH_SH73A0 select CPU_V7 select I2C select SH_CLK_CPG + select RENESAS_INTC_IRQPIN + +config ARCH_R8A73A4 + bool "R-Mobile APE6 (R8A73A40)" + select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_GIC + select CPU_V7 + select ARM_ARCH_TIMER + select SH_CLK_CPG + select RENESAS_IRQC config ARCH_R8A7740 bool "R-Mobile A1 (R8A77400)" select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_GIC select CPU_V7 select SH_CLK_CPG + select RENESAS_INTC_IRQPIN + +config ARCH_R8A7778 + bool "R-Car M1 (R8A77780)" + select CPU_V7 + select SH_CLK_CPG + select ARM_GIC config ARCH_R8A7779 bool "R-Car H1 (R8A77790)" @@ -31,6 +49,16 @@ config ARCH_R8A7779 select SH_CLK_CPG select USB_ARCH_HAS_EHCI select USB_ARCH_HAS_OHCI + select RENESAS_INTC_IRQPIN + +config ARCH_R8A7790 + bool "R-Car H2 (R8A77900)" + select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_GIC + select CPU_V7 + select ARM_ARCH_TIMER + select SH_CLK_CPG + select RENESAS_IRQC config ARCH_EMEV2 bool "Emma Mobile EV2" diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index e1fac57514b9..709b9b421f93 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -8,16 +8,18 @@ obj-y := timer.o console.o clock.o # CPU objects obj-$(CONFIG_ARCH_SH7372) += setup-sh7372.o clock-sh7372.o intc-sh7372.o obj-$(CONFIG_ARCH_SH73A0) += setup-sh73a0.o clock-sh73a0.o intc-sh73a0.o +obj-$(CONFIG_ARCH_R8A73A4) += setup-r8a73a4.o clock-r8a73a4.o obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o clock-r8a7740.o intc-r8a7740.o +obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o clock-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o clock-r8a7779.o intc-r8a7779.o +obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o clock-r8a7790.o obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o clock-emev2.o # SMP objects smp-y := platsmp.o headsmp.o -smp-$(CONFIG_HOTPLUG_CPU) += hotplug.o -smp-$(CONFIG_ARCH_SH73A0) += smp-sh73a0.o headsmp-sh73a0.o -smp-$(CONFIG_ARCH_R8A7779) += smp-r8a7779.o -smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o +smp-$(CONFIG_ARCH_SH73A0) += smp-sh73a0.o headsmp-scu.o +smp-$(CONFIG_ARCH_R8A7779) += smp-r8a7779.o headsmp-scu.o +smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o headsmp-scu.o # IRQ objects obj-$(CONFIG_ARCH_SH7372) += entry-intc.o diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index 04eff93df793..9415cb4e6199 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -146,7 +146,7 @@ * see * usbhsf_power_ctrl() */ -#define IRQ7 evt2irq(0x02e0) +#define IRQ7 irq_pin(7) #define USBCR1 IOMEM(0xe605810a) #define USBH 0xC6700000 #define USBH_USBCTR 0x10834 @@ -331,7 +331,7 @@ static struct resource usbhsf_resources[] = { .flags = IORESOURCE_MEM, }, { - .start = evt2irq(0x0A20), + .start = gic_spi(51), .flags = IORESOURCE_IRQ, }, }; @@ -364,7 +364,7 @@ static struct resource sh_eth_resources[] = { .end = 0xe9a02000 - 1, .flags = IORESOURCE_MEM, }, { - .start = evt2irq(0x0500), + .start = gic_spi(110), .flags = IORESOURCE_IRQ, }, }; @@ -418,7 +418,7 @@ static struct resource lcdc0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0x580), + .start = gic_spi(177), .flags = IORESOURCE_IRQ, }, }; @@ -453,7 +453,7 @@ static struct resource hdmi_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x1700), + .start = gic_spi(131), .flags = IORESOURCE_IRQ, }, [2] = { @@ -515,7 +515,7 @@ static struct resource hdmi_lcdc_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0x1780), + .start = gic_spi(178), .flags = IORESOURCE_IRQ, }, }; @@ -575,7 +575,7 @@ static struct regulator_consumer_supply fixed3v3_power_consumers[] = * We can use IRQ31 as card detect irq, * but it needs chattering removal operation */ -#define IRQ31 evt2irq(0x33E0) +#define IRQ31 irq_pin(31) static struct sh_mobile_sdhi_info sdhi0_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, @@ -597,12 +597,12 @@ static struct resource sdhi0_resources[] = { */ { .name = SH_MOBILE_SDHI_IRQ_SDCARD, - .start = evt2irq(0x0E20), + .start = gic_spi(118), .flags = IORESOURCE_IRQ, }, { .name = SH_MOBILE_SDHI_IRQ_SDIO, - .start = evt2irq(0x0E40), + .start = gic_spi(119), .flags = IORESOURCE_IRQ, }, }; @@ -634,15 +634,15 @@ static struct resource sdhi1_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0E80), + .start = gic_spi(121), .flags = IORESOURCE_IRQ, }, [2] = { - .start = evt2irq(0x0EA0), + .start = gic_spi(122), .flags = IORESOURCE_IRQ, }, [3] = { - .start = evt2irq(0x0EC0), + .start = gic_spi(123), .flags = IORESOURCE_IRQ, }, }; @@ -686,12 +686,12 @@ static struct resource sh_mmcif_resources[] = { }, [1] = { /* MMC ERR */ - .start = evt2irq(0x1AC0), + .start = gic_spi(56), .flags = IORESOURCE_IRQ, }, [2] = { /* MMC NOR */ - .start = evt2irq(0x1AE0), + .start = gic_spi(57), .flags = IORESOURCE_IRQ, }, }; @@ -768,7 +768,7 @@ static struct resource ceu0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0x0500), + .start = gic_spi(160), .flags = IORESOURCE_IRQ, }, [2] = { @@ -810,7 +810,7 @@ static struct resource fsi_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x1840), + .start = gic_spi(9), .flags = IORESOURCE_IRQ, }, }; @@ -893,7 +893,7 @@ static struct platform_device i2c_gpio_device = { static struct i2c_board_info i2c0_devices[] = { { I2C_BOARD_INFO("st1232-ts", 0x55), - .irq = evt2irq(0x0340), + .irq = irq_pin(10), }, { I2C_BOARD_INFO("wm8978", 0x1a), @@ -1183,7 +1183,6 @@ DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva") .map_io = r8a7740_map_io, .init_early = eva_add_early_devices, .init_irq = r8a7740_init_irq, - .handle_irq = shmobile_handle_irq_intc, .init_machine = eva_init, .init_late = shmobile_init_late, .init_time = eva_earlytimer_init, diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index c1c0401ff6a4..446d04db404f 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -83,7 +83,7 @@ static struct resource smsc9221_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0x260), /* IRQ3 */ + .start = irq_pin(3), /* IRQ3 */ .flags = IORESOURCE_IRQ, }, }; @@ -117,7 +117,7 @@ static struct resource usb_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0x220), /* IRQ1 */ + .start = irq_pin(1), /* IRQ1 */ .flags = IORESOURCE_IRQ, }, }; @@ -140,7 +140,7 @@ struct usbhs_private { struct renesas_usbhs_platform_info info; }; -#define IRQ15 intcs_evt2irq(0x03e0) +#define IRQ15 irq_pin(15) #define USB_PHY_MODE (1 << 4) #define USB_PHY_INT_EN ((1 << 3) | (1 << 2)) #define USB_PHY_ON (1 << 1) @@ -565,25 +565,25 @@ static struct i2c_board_info i2c0_devices[] = { }, { I2C_BOARD_INFO("ak8975", 0x0c), - .irq = intcs_evt2irq(0x3380), /* IRQ28 */ + .irq = irq_pin(28), /* IRQ28 */ }, { I2C_BOARD_INFO("adxl34x", 0x1d), - .irq = intcs_evt2irq(0x3340), /* IRQ26 */ + .irq = irq_pin(26), /* IRQ26 */ }, }; static struct i2c_board_info i2c1_devices[] = { { I2C_BOARD_INFO("st1232-ts", 0x55), - .irq = intcs_evt2irq(0x300), /* IRQ8 */ + .irq = irq_pin(8), /* IRQ8 */ }, }; static struct i2c_board_info i2c3_devices[] = { { I2C_BOARD_INFO("pcf8575", 0x20), - .irq = intcs_evt2irq(0x3260), /* IRQ19 */ + .irq = irq_pin(19), /* IRQ19 */ .platform_data = &pcf8575_pdata, }, }; diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c new file mode 100644 index 000000000000..e710c00c3822 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c @@ -0,0 +1,115 @@ +/* + * r8a73a4 clock framework support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> + +#define CPG_BASE 0xe6150000 +#define CPG_LEN 0x270 + +#define MPCKCR 0xe6150080 +#define SMSTPCR2 0xe6150138 +#define SMSTPCR5 0xe6150144 + +static struct clk_mapping cpg_mapping = { + .phys = CPG_BASE, + .len = CPG_LEN, +}; + +static struct clk extalr_clk = { + .rate = 32768, + .mapping = &cpg_mapping, +}; + +static struct clk extal1_clk = { + .rate = 26000000, + .mapping = &cpg_mapping, +}; + +static struct clk extal2_clk = { + .rate = 48000000, + .mapping = &cpg_mapping, +}; + +static struct clk *main_clks[] = { + &extalr_clk, + &extal1_clk, + &extal2_clk, +}; + +enum { + MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, + MSTP522, + MSTP_NR +}; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP204] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP206] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 6, 0), /* SCIFB0 */ + [MSTP207] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 7, 0), /* SCIFB1 */ + [MSTP216] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 16, 0), /* SCIFB2 */ + [MSTP217] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 17, 0), /* SCIFB3 */ + [MSTP522] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR5, 22, 0), /* Thermal */ +}; + +static struct clk_lookup lookups[] = { + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]), + CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), + + /* for DT */ + CLKDEV_DEV_ID("e61f0000.thermal", &mstp_clks[MSTP522]), +}; + +void __init r8a73a4_clock_init(void) +{ + void __iomem *cpg_base, *reg; + int k, ret = 0; + + /* fix MPCLK to EXTAL2 for now. + * this is needed until more detailed clock topology is supported + */ + cpg_base = ioremap_nocache(CPG_BASE, CPG_LEN); + BUG_ON(!cpg_base); + reg = cpg_base + (MPCKCR - CPG_BASE); + iowrite32(ioread32(reg) | 1 << 7 | 0x0c, reg); /* set CKSEL */ + iounmap(cpg_base); + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + shmobile_clk_init(); + else + panic("failed to setup r8a73a4 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c index 19ce885a3b43..c0d39aa6de50 100644 --- a/arch/arm/mach-shmobile/clock-r8a7740.c +++ b/arch/arm/mach-shmobile/clock-r8a7740.c @@ -22,6 +22,7 @@ #include <linux/io.h> #include <linux/sh_clk.h> #include <linux/clkdev.h> +#include <mach/clock.h> #include <mach/common.h> #include <mach/r8a7740.h> @@ -97,42 +98,13 @@ static struct clk dv_clk = { .rate = 27000000, }; -static unsigned long div_recalc(struct clk *clk) -{ - return clk->parent->rate / (int)(clk->priv); -} - -static struct sh_clk_ops div_clk_ops = { - .recalc = div_recalc, -}; - -/* extal1 / 2 */ -static struct clk extal1_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &extal1_clk, -}; - -/* extal1 / 1024 */ -static struct clk extal1_div1024_clk = { - .ops = &div_clk_ops, - .priv = (void *)1024, - .parent = &extal1_clk, -}; - -/* extal1 / 2 / 1024 */ -static struct clk extal1_div2048_clk = { - .ops = &div_clk_ops, - .priv = (void *)1024, - .parent = &extal1_div2_clk, -}; +SH_CLK_RATIO(div2, 1, 2); +SH_CLK_RATIO(div1k, 1, 1024); -/* extal2 / 2 */ -static struct clk extal2_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &extal2_clk, -}; +SH_FIXED_RATIO_CLK(extal1_div2_clk, extal1_clk, div2); +SH_FIXED_RATIO_CLK(extal1_div1024_clk, extal1_clk, div1k); +SH_FIXED_RATIO_CLK(extal1_div2048_clk, extal1_div2_clk, div1k); +SH_FIXED_RATIO_CLK(extal2_div2_clk, extal2_clk, div2); static struct sh_clk_ops followparent_clk_ops = { .recalc = followparent_recalc, @@ -143,11 +115,7 @@ static struct clk system_clk = { .ops = &followparent_clk_ops, }; -static struct clk system_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &system_clk, -}; +SH_FIXED_RATIO_CLK(system_div2_clk, system_clk, div2); /* r_clk */ static struct clk r_clk = { @@ -184,11 +152,7 @@ static struct clk pllc1_clk = { }; /* PLLC1 / 2 */ -static struct clk pllc1_div2_clk = { - .ops = &div_clk_ops, - .priv = (void *)2, - .parent = &pllc1_clk, -}; +SH_FIXED_RATIO_CLK(pllc1_div2_clk, pllc1_clk, div2); /* USB clock */ /* @@ -323,6 +287,7 @@ struct clk *main_clks[] = { &fsibck_clk, }; +/* DIV4 clocks */ static void div4_kick(struct clk *clk) { unsigned long value; @@ -346,6 +311,26 @@ static struct clk_div4_table div4_table = { .kick = div4_kick, }; +enum { + DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP, + DIV4_HPP, DIV4_USBP, DIV4_S, DIV4_ZB, DIV4_M3, DIV4_CP, + DIV4_NR +}; + +struct clk div4_clks[DIV4_NR] = { + [DIV4_I] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_ZG] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_B] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_M1] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT), + [DIV4_HP] = SH_CLK_DIV4(&pllc1_clk, FRQCRB, 4, 0x6fff, 0), + [DIV4_HPP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 20, 0x6fff, 0), + [DIV4_USBP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 16, 0x6fff, 0), + [DIV4_S] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 12, 0x6fff, 0), + [DIV4_ZB] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 8, 0x6fff, 0), + [DIV4_M3] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 4, 0x6fff, 0), + [DIV4_CP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 0, 0x6fff, 0), +}; + /* DIV6 reparent */ enum { DIV6_HDMI, @@ -391,6 +376,16 @@ static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { fsib_parents, ARRAY_SIZE(fsib_parents), 6, 2), }; +/* DIV6 clocks */ +enum { + DIV6_SUB, + DIV6_NR +}; + +static struct clk div6_clks[DIV6_NR] = { + [DIV6_SUB] = SH_CLK_DIV6(&pllc1_div2_clk, SUBCKCR, 0), +}; + /* HDMI1/2 clock */ static unsigned long hdmi12_recalc(struct clk *clk) { @@ -456,35 +451,6 @@ static struct clk fsidivs[] = { /* MSTP */ enum { - DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP, - DIV4_HPP, DIV4_USBP, DIV4_S, DIV4_ZB, DIV4_M3, DIV4_CP, - DIV4_NR -}; - -struct clk div4_clks[DIV4_NR] = { - [DIV4_I] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 20, 0x6fff, CLK_ENABLE_ON_INIT), - [DIV4_ZG] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 16, 0x6fff, CLK_ENABLE_ON_INIT), - [DIV4_B] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), - [DIV4_M1] = SH_CLK_DIV4(&pllc1_clk, FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT), - [DIV4_HP] = SH_CLK_DIV4(&pllc1_clk, FRQCRB, 4, 0x6fff, 0), - [DIV4_HPP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 20, 0x6fff, 0), - [DIV4_USBP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 16, 0x6fff, 0), - [DIV4_S] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 12, 0x6fff, 0), - [DIV4_ZB] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 8, 0x6fff, 0), - [DIV4_M3] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 4, 0x6fff, 0), - [DIV4_CP] = SH_CLK_DIV4(&pllc1_clk, FRQCRC, 0, 0x6fff, 0), -}; - -enum { - DIV6_SUB, - DIV6_NR -}; - -static struct clk div6_clks[DIV6_NR] = { - [DIV6_SUB] = SH_CLK_DIV6(&pllc1_div2_clk, SUBCKCR, 0), -}; - -enum { MSTP128, MSTP127, MSTP125, MSTP116, MSTP111, MSTP100, MSTP117, @@ -593,29 +559,42 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP128]), CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), + CLKDEV_DEV_ID("e6c80000.sci", &mstp_clks[MSTP200]), CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), + CLKDEV_DEV_ID("e6c70000.sci", &mstp_clks[MSTP201]), CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP202]), + CLKDEV_DEV_ID("e6c60000.sci", &mstp_clks[MSTP202]), CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), + CLKDEV_DEV_ID("e6c50000.sci", &mstp_clks[MSTP203]), CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), + CLKDEV_DEV_ID("e6c40000.sci", &mstp_clks[MSTP204]), CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), + CLKDEV_DEV_ID("e6c30000.sci", &mstp_clks[MSTP206]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), + CLKDEV_DEV_ID("e6cb0000.sci", &mstp_clks[MSTP207]), CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]), + CLKDEV_DEV_ID("e6cd0000.sci", &mstp_clks[MSTP222]), CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]), + CLKDEV_DEV_ID("e6cc0000.sci", &mstp_clks[MSTP230]), CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP320]), CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), + CLKDEV_DEV_ID("e6850000.sdhi", &mstp_clks[MSTP314]), CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), + CLKDEV_DEV_ID("e6860000.sdhi", &mstp_clks[MSTP313]), CLKDEV_DEV_ID("sh_mmcif", &mstp_clks[MSTP312]), + CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks[MSTP312]), CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP309]), CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP415]), + CLKDEV_DEV_ID("e6870000.sdhi", &mstp_clks[MSTP415]), /* ICK */ CLKDEV_ICK_ID("host", "renesas_usbhs", &mstp_clks[MSTP416]), diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c new file mode 100644 index 000000000000..f1277f45381e --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a7778.c @@ -0,0 +1,104 @@ +/* + * r8a7778 clock framework support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * based on r8a7779 + * + * Copyright (C) 2011 Renesas Solutions Corp. + * Copyright (C) 2011 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> + +#define MSTPCR0 IOMEM(0xffc80030) +#define MSTPCR1 IOMEM(0xffc80034) +#define MSTPCR3 IOMEM(0xffc8003c) +#define MSTPSR1 IOMEM(0xffc80044) +#define MSTPSR4 IOMEM(0xffc80048) +#define MSTPSR6 IOMEM(0xffc8004c) +#define MSTPCR4 IOMEM(0xffc80050) +#define MSTPCR5 IOMEM(0xffc80054) +#define MSTPCR6 IOMEM(0xffc80058) + +/* ioremap() through clock mapping mandatory to avoid + * collision with ARM coherent DMA virtual memory range. + */ + +static struct clk_mapping cpg_mapping = { + .phys = 0xffc80000, + .len = 0x80, +}; + +static struct clk clkp = { + .rate = 62500000, /* FIXME: shortcut */ + .flags = CLK_ENABLE_ON_INIT, + .mapping = &cpg_mapping, +}; + +static struct clk *main_clks[] = { + &clkp, +}; + +enum { + MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, + MSTP016, MSTP015, + MSTP_NR }; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP026] = SH_CLK_MSTP32(&clkp, MSTPCR0, 26, 0), /* SCIF0 */ + [MSTP025] = SH_CLK_MSTP32(&clkp, MSTPCR0, 25, 0), /* SCIF1 */ + [MSTP024] = SH_CLK_MSTP32(&clkp, MSTPCR0, 24, 0), /* SCIF2 */ + [MSTP023] = SH_CLK_MSTP32(&clkp, MSTPCR0, 23, 0), /* SCIF3 */ + [MSTP022] = SH_CLK_MSTP32(&clkp, MSTPCR0, 22, 0), /* SCIF4 */ + [MSTP021] = SH_CLK_MSTP32(&clkp, MSTPCR0, 21, 0), /* SCIF5 */ + [MSTP016] = SH_CLK_MSTP32(&clkp, MSTPCR0, 16, 0), /* TMU0 */ + [MSTP015] = SH_CLK_MSTP32(&clkp, MSTPCR0, 15, 0), /* TMU1 */ +}; + +static struct clk_lookup lookups[] = { + /* MSTP32 clocks */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP023]), /* SCIF3 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP022]), /* SCIF4 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP021]), /* SCIF6 */ + CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP016]), /* TMU00 */ + CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP015]), /* TMU01 */ +}; + +void __init r8a7778_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + shmobile_clk_init(); + else + panic("failed to setup r8a7778 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index 1db36537255c..7d86bfbb5b06 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -17,13 +17,17 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/bitops.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> #include <linux/sh_clk.h> #include <linux/clkdev.h> +#include <mach/clock.h> #include <mach/common.h> +#define MD(nr) BIT(nr) + #define FRQMR IOMEM(0xffc80014) #define MSTPCR0 IOMEM(0xffc80030) #define MSTPCR1 IOMEM(0xffc80034) @@ -36,6 +40,9 @@ #define MSTPCR6 IOMEM(0xffc80058) #define MSTPCR7 IOMEM(0xffc80040) +#define MODEMR 0xffcc0020 + + /* ioremap() through clock mapping mandatory to avoid * collision with ARM coherent DMA virtual memory range. */ @@ -50,44 +57,44 @@ static struct clk_mapping cpg_mapping = { * from the platform code. */ static struct clk plla_clk = { - .rate = 1500000000, + /* .rate will be updated on r8a7779_clock_init() */ .mapping = &cpg_mapping, }; +/* + * clock ratio of these clock will be updated + * on r8a7779_clock_init() + */ +SH_FIXED_RATIO_CLK_SET(clkz_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clkzs_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clki_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clks_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clks1_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clks3_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clks4_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clkb_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clkout_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clkp_clk, plla_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(clkg_clk, plla_clk, 1, 1); + static struct clk *main_clks[] = { &plla_clk, -}; - -static int divisors[] = { 0, 0, 0, 6, 8, 12, 16, 0, 24, 32, 36, 0, 0, 0, 0, 0 }; - -static struct clk_div_mult_table div4_div_mult_table = { - .divisors = divisors, - .nr_divisors = ARRAY_SIZE(divisors), -}; - -static struct clk_div4_table div4_table = { - .div_mult_table = &div4_div_mult_table, -}; - -enum { DIV4_S, DIV4_OUT, DIV4_S4, DIV4_S3, DIV4_S1, DIV4_P, DIV4_NR }; - -static struct clk div4_clks[DIV4_NR] = { - [DIV4_S] = SH_CLK_DIV4(&plla_clk, FRQMR, 20, - 0x0018, CLK_ENABLE_ON_INIT), - [DIV4_OUT] = SH_CLK_DIV4(&plla_clk, FRQMR, 16, - 0x0700, CLK_ENABLE_ON_INIT), - [DIV4_S4] = SH_CLK_DIV4(&plla_clk, FRQMR, 12, - 0x0040, CLK_ENABLE_ON_INIT), - [DIV4_S3] = SH_CLK_DIV4(&plla_clk, FRQMR, 8, - 0x0010, CLK_ENABLE_ON_INIT), - [DIV4_S1] = SH_CLK_DIV4(&plla_clk, FRQMR, 4, - 0x0060, CLK_ENABLE_ON_INIT), - [DIV4_P] = SH_CLK_DIV4(&plla_clk, FRQMR, 0, - 0x0300, CLK_ENABLE_ON_INIT), + &clkz_clk, + &clkzs_clk, + &clki_clk, + &clks_clk, + &clks1_clk, + &clks3_clk, + &clks4_clk, + &clkb_clk, + &clkout_clk, + &clkp_clk, + &clkg_clk, }; enum { MSTP323, MSTP322, MSTP321, MSTP320, - MSTP101, MSTP100, + MSTP115, + MSTP103, MSTP101, MSTP100, MSTP030, MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, MSTP016, MSTP015, MSTP014, @@ -95,50 +102,28 @@ enum { MSTP323, MSTP322, MSTP321, MSTP320, MSTP_NR }; static struct clk mstp_clks[MSTP_NR] = { - [MSTP323] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 23, 0), /* SDHI0 */ - [MSTP322] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 22, 0), /* SDHI1 */ - [MSTP321] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 21, 0), /* SDHI2 */ - [MSTP320] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 20, 0), /* SDHI3 */ - [MSTP101] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1, 1, 0), /* USB2 */ - [MSTP100] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1, 0, 0), /* USB0/1 */ - [MSTP030] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 30, 0), /* I2C0 */ - [MSTP029] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 29, 0), /* I2C1 */ - [MSTP028] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 28, 0), /* I2C2 */ - [MSTP027] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 27, 0), /* I2C3 */ - [MSTP026] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 26, 0), /* SCIF0 */ - [MSTP025] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 25, 0), /* SCIF1 */ - [MSTP024] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 24, 0), /* SCIF2 */ - [MSTP023] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 23, 0), /* SCIF3 */ - [MSTP022] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 22, 0), /* SCIF4 */ - [MSTP021] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 21, 0), /* SCIF5 */ - [MSTP016] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 16, 0), /* TMU0 */ - [MSTP015] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 15, 0), /* TMU1 */ - [MSTP014] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 14, 0), /* TMU2 */ - [MSTP007] = SH_CLK_MSTP32(&div4_clks[DIV4_S], MSTPCR0, 7, 0), /* HSPI */ -}; - -static unsigned long mul4_recalc(struct clk *clk) -{ - return clk->parent->rate * 4; -} - -static struct sh_clk_ops mul4_clk_ops = { - .recalc = mul4_recalc, -}; - -struct clk clkz_clk = { - .ops = &mul4_clk_ops, - .parent = &div4_clks[DIV4_S], -}; - -struct clk clkzs_clk = { - /* clks x 4 / 4 = clks */ - .parent = &div4_clks[DIV4_S], -}; - -static struct clk *late_main_clks[] = { - &clkz_clk, - &clkzs_clk, + [MSTP323] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 23, 0), /* SDHI0 */ + [MSTP322] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 22, 0), /* SDHI1 */ + [MSTP321] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 21, 0), /* SDHI2 */ + [MSTP320] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 20, 0), /* SDHI3 */ + [MSTP115] = SH_CLK_MSTP32(&clkp_clk, MSTPCR1, 15, 0), /* SATA */ + [MSTP103] = SH_CLK_MSTP32(&clks_clk, MSTPCR1, 3, 0), /* DU */ + [MSTP101] = SH_CLK_MSTP32(&clkp_clk, MSTPCR1, 1, 0), /* USB2 */ + [MSTP100] = SH_CLK_MSTP32(&clkp_clk, MSTPCR1, 0, 0), /* USB0/1 */ + [MSTP030] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 30, 0), /* I2C0 */ + [MSTP029] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 29, 0), /* I2C1 */ + [MSTP028] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 28, 0), /* I2C2 */ + [MSTP027] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 27, 0), /* I2C3 */ + [MSTP026] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 26, 0), /* SCIF0 */ + [MSTP025] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 25, 0), /* SCIF1 */ + [MSTP024] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 24, 0), /* SCIF2 */ + [MSTP023] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 23, 0), /* SCIF3 */ + [MSTP022] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 22, 0), /* SCIF4 */ + [MSTP021] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 21, 0), /* SCIF5 */ + [MSTP016] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 16, 0), /* TMU0 */ + [MSTP015] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 15, 0), /* TMU1 */ + [MSTP014] = SH_CLK_MSTP32(&clkp_clk, MSTPCR0, 14, 0), /* TMU2 */ + [MSTP007] = SH_CLK_MSTP32(&clks_clk, MSTPCR0, 7, 0), /* HSPI */ }; static struct clk_lookup lookups[] = { @@ -148,14 +133,16 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("clkzs_clk", &clkzs_clk), /* DIV4 clocks */ - CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_S]), - CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_OUT]), - CLKDEV_CON_ID("shyway4_clk", &div4_clks[DIV4_S4]), - CLKDEV_CON_ID("shyway3_clk", &div4_clks[DIV4_S3]), - CLKDEV_CON_ID("shyway1_clk", &div4_clks[DIV4_S1]), - CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]), + CLKDEV_CON_ID("shyway_clk", &clks_clk), + CLKDEV_CON_ID("bus_clk", &clkout_clk), + CLKDEV_CON_ID("shyway4_clk", &clks4_clk), + CLKDEV_CON_ID("shyway3_clk", &clks3_clk), + CLKDEV_CON_ID("shyway1_clk", &clks1_clk), + CLKDEV_CON_ID("peripheral_clk", &clkp_clk), /* MSTP32 clocks */ + CLKDEV_DEV_ID("sata_rcar", &mstp_clks[MSTP115]), /* SATA */ + CLKDEV_DEV_ID("fc600000.sata", &mstp_clks[MSTP115]), /* SATA w/DT */ CLKDEV_DEV_ID("ehci-platform.1", &mstp_clks[MSTP101]), /* USB EHCI port2 */ CLKDEV_DEV_ID("ohci-platform.1", &mstp_clks[MSTP101]), /* USB OHCI port2 */ CLKDEV_DEV_ID("ehci-platform.0", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */ @@ -180,24 +167,65 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */ CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP320]), /* SDHI3 */ + CLKDEV_DEV_ID("rcar-du.0", &mstp_clks[MSTP103]), /* DU */ }; void __init r8a7779_clock_init(void) { + void __iomem *modemr = ioremap_nocache(MODEMR, PAGE_SIZE); + u32 mode; int k, ret = 0; + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + + if (mode & MD(1)) { + plla_clk.rate = 1500000000; + + SH_CLK_SET_RATIO(&clkz_clk_ratio, 2, 3); + SH_CLK_SET_RATIO(&clkzs_clk_ratio, 1, 6); + SH_CLK_SET_RATIO(&clki_clk_ratio, 1, 2); + SH_CLK_SET_RATIO(&clks_clk_ratio, 1, 6); + SH_CLK_SET_RATIO(&clks1_clk_ratio, 1, 12); + SH_CLK_SET_RATIO(&clks3_clk_ratio, 1, 8); + SH_CLK_SET_RATIO(&clks4_clk_ratio, 1, 16); + SH_CLK_SET_RATIO(&clkp_clk_ratio, 1, 24); + SH_CLK_SET_RATIO(&clkg_clk_ratio, 1, 24); + if (mode & MD(2)) { + SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 36); + SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 36); + } else { + SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 24); + SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 24); + } + } else { + plla_clk.rate = 1600000000; + + SH_CLK_SET_RATIO(&clkz_clk_ratio, 1, 2); + SH_CLK_SET_RATIO(&clkzs_clk_ratio, 1, 8); + SH_CLK_SET_RATIO(&clki_clk_ratio, 1, 2); + SH_CLK_SET_RATIO(&clks_clk_ratio, 1, 8); + SH_CLK_SET_RATIO(&clks1_clk_ratio, 1, 16); + SH_CLK_SET_RATIO(&clks3_clk_ratio, 1, 8); + SH_CLK_SET_RATIO(&clks4_clk_ratio, 1, 16); + SH_CLK_SET_RATIO(&clkp_clk_ratio, 1, 32); + SH_CLK_SET_RATIO(&clkg_clk_ratio, 1, 24); + if (mode & MD(2)) { + SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 32); + SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 32); + } else { + SH_CLK_SET_RATIO(&clkb_clk_ratio, 1, 24); + SH_CLK_SET_RATIO(&clkout_clk_ratio, 1, 24); + } + } + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) ret = clk_register(main_clks[k]); if (!ret) - ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); - - if (!ret) ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); - for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) - ret = clk_register(late_main_clks[k]); - clkdev_add_table(lookups, ARRAY_SIZE(lookups)); if (!ret) diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c new file mode 100644 index 000000000000..bad9bf2e34d6 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a7790.c @@ -0,0 +1,93 @@ +/* + * r8a7790 clock framework support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> + +#define CPG_BASE 0xe6150000 +#define CPG_LEN 0x1000 + +#define SMSTPCR2 0xe6150138 +#define SMSTPCR7 0xe615014c + +static struct clk_mapping cpg_mapping = { + .phys = CPG_BASE, + .len = CPG_LEN, +}; + +static struct clk p_clk = { + .rate = 65000000, /* shortcut for now */ + .mapping = &cpg_mapping, +}; + +static struct clk mp_clk = { + .rate = 52000000, /* shortcut for now */ + .mapping = &cpg_mapping, +}; + +static struct clk *main_clks[] = { + &p_clk, + &mp_clk, +}; + +enum { MSTP721, MSTP720, + MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP_NR }; +static struct clk mstp_clks[MSTP_NR] = { + [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ + [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ + [MSTP216] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 16, 0), /* SCIFB2 */ + [MSTP207] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 7, 0), /* SCIFB1 */ + [MSTP206] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 6, 0), /* SCIFB0 */ + [MSTP204] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP202] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 2, 0), /* SCIFA2 */ +}; + +static struct clk_lookup lookups[] = { + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP202]), + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP721]), + CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), +}; + +void __init r8a7790_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + shmobile_clk_init(); + else + panic("failed to setup r8a7790 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 45d21fe317f4..7e105932c09d 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <linux/sh_clk.h> #include <linux/clkdev.h> +#include <mach/clock.h> #include <mach/common.h> /* SH7372 registers */ @@ -83,39 +84,12 @@ struct clk sh7372_extal2_clk = { .rate = 48000000, }; -/* A fixed divide-by-2 block */ -static unsigned long div2_recalc(struct clk *clk) -{ - return clk->parent->rate / 2; -} - -static struct sh_clk_ops div2_clk_ops = { - .recalc = div2_recalc, -}; +SH_CLK_RATIO(div2, 1, 2); -/* Divide dv_clki by two */ -struct clk sh7372_dv_clki_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh7372_dv_clki_clk, -}; - -/* Divide extal1 by two */ -static struct clk extal1_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh7372_extal1_clk, -}; - -/* Divide extal2 by two */ -static struct clk extal2_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh7372_extal2_clk, -}; - -/* Divide extal2 by four */ -static struct clk extal2_div4_clk = { - .ops = &div2_clk_ops, - .parent = &extal2_div2_clk, -}; +SH_FIXED_RATIO_CLKg(sh7372_dv_clki_div2_clk, sh7372_dv_clki_clk, div2); +SH_FIXED_RATIO_CLK(extal1_div2_clk, sh7372_extal1_clk, div2); +SH_FIXED_RATIO_CLK(extal2_div2_clk, sh7372_extal2_clk, div2); +SH_FIXED_RATIO_CLK(extal2_div4_clk, extal2_div2_clk, div2); /* PLLC0 and PLLC1 */ static unsigned long pllc01_recalc(struct clk *clk) @@ -147,10 +121,7 @@ static struct clk pllc1_clk = { }; /* Divide PLLC1 by two */ -static struct clk pllc1_div2_clk = { - .ops = &div2_clk_ops, - .parent = &pllc1_clk, -}; +SH_FIXED_RATIO_CLK(pllc1_div2_clk, pllc1_clk, div2); /* PLLC2 */ @@ -342,7 +313,7 @@ static struct clk_div4_table div4_table = { }; enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_CSIR, - DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP, + DIV4_ZX, DIV4_HP, DIV4_ISPB, DIV4_S, DIV4_ZB, DIV4_ZB3, DIV4_CP, DIV4_DDRP, DIV4_NR }; @@ -355,8 +326,6 @@ static struct clk div4_clks[DIV4_NR] = { [DIV4_B] = DIV4(FRQCRA, 8, 0x6fff, CLK_ENABLE_ON_INIT), [DIV4_M1] = DIV4(FRQCRA, 4, 0x6fff, CLK_ENABLE_ON_INIT), [DIV4_CSIR] = DIV4(FRQCRA, 0, 0x6fff, 0), - [DIV4_ZTR] = DIV4(FRQCRB, 20, 0x6fff, 0), - [DIV4_ZT] = DIV4(FRQCRB, 16, 0x6fff, 0), [DIV4_ZX] = DIV4(FRQCRB, 12, 0x6fff, 0), [DIV4_HP] = DIV4(FRQCRB, 4, 0x6fff, 0), [DIV4_ISPB] = DIV4(FRQCRC, 20, 0x6fff, 0), @@ -516,8 +485,6 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("b_clk", &div4_clks[DIV4_B]), CLKDEV_CON_ID("m1_clk", &div4_clks[DIV4_M1]), CLKDEV_CON_ID("csir_clk", &div4_clks[DIV4_CSIR]), - CLKDEV_CON_ID("ztr_clk", &div4_clks[DIV4_ZTR]), - CLKDEV_CON_ID("zt_clk", &div4_clks[DIV4_ZT]), CLKDEV_CON_ID("zx_clk", &div4_clks[DIV4_ZX]), CLKDEV_CON_ID("hp_clk", &div4_clks[DIV4_HP]), CLKDEV_CON_ID("ispb_clk", &div4_clks[DIV4_ISPB]), @@ -654,5 +621,4 @@ void __init sh7372_clock_init(void) shmobile_clk_init(); else panic("failed to setup sh7372 clocks\n"); - } diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index afa5423a0f93..784fbaa4cc55 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -21,6 +21,8 @@ #include <linux/io.h> #include <linux/sh_clk.h> #include <linux/clkdev.h> +#include <asm/processor.h> +#include <mach/clock.h> #include <mach/common.h> #define FRQCRA IOMEM(0xe6150000) @@ -82,61 +84,16 @@ struct clk sh73a0_extal2_clk = { .rate = 48000000, }; -/* A fixed divide-by-2 block */ -static unsigned long div2_recalc(struct clk *clk) -{ - return clk->parent->rate / 2; -} - -static struct sh_clk_ops div2_clk_ops = { - .recalc = div2_recalc, -}; - -static unsigned long div7_recalc(struct clk *clk) -{ - return clk->parent->rate / 7; -} - -static struct sh_clk_ops div7_clk_ops = { - .recalc = div7_recalc, -}; - -static unsigned long div13_recalc(struct clk *clk) -{ - return clk->parent->rate / 13; -} - -static struct sh_clk_ops div13_clk_ops = { - .recalc = div13_recalc, -}; - -/* Divide extal1 by two */ -static struct clk extal1_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh73a0_extal1_clk, -}; - -/* Divide extal2 by two */ -static struct clk extal2_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh73a0_extal2_clk, -}; - static struct sh_clk_ops main_clk_ops = { .recalc = followparent_recalc, }; /* Main clock */ static struct clk main_clk = { + /* .parent wll be set on sh73a0_clock_init() */ .ops = &main_clk_ops, }; -/* Divide Main clock by two */ -static struct clk main_div2_clk = { - .ops = &div2_clk_ops, - .parent = &main_clk, -}; - /* PLL0, PLL1, PLL2, PLL3 */ static unsigned long pll_recalc(struct clk *clk) { @@ -192,21 +149,17 @@ static struct clk pll3_clk = { .enable_bit = 3, }; -/* Divide PLL */ -static struct clk pll1_div2_clk = { - .ops = &div2_clk_ops, - .parent = &pll1_clk, -}; - -static struct clk pll1_div7_clk = { - .ops = &div7_clk_ops, - .parent = &pll1_clk, -}; +/* A fixed divide block */ +SH_CLK_RATIO(div2, 1, 2); +SH_CLK_RATIO(div7, 1, 7); +SH_CLK_RATIO(div13, 1, 13); -static struct clk pll1_div13_clk = { - .ops = &div13_clk_ops, - .parent = &pll1_clk, -}; +SH_FIXED_RATIO_CLK(extal1_div2_clk, sh73a0_extal1_clk, div2); +SH_FIXED_RATIO_CLK(extal2_div2_clk, sh73a0_extal2_clk, div2); +SH_FIXED_RATIO_CLK(main_div2_clk, main_clk, div2); +SH_FIXED_RATIO_CLK(pll1_div2_clk, pll1_clk, div2); +SH_FIXED_RATIO_CLK(pll1_div7_clk, pll1_clk, div7); +SH_FIXED_RATIO_CLK(pll1_div13_clk, pll1_clk, div13); /* External input clock */ struct clk sh73a0_extcki_clk = { @@ -234,14 +187,24 @@ static struct clk *main_clks[] = { &sh73a0_extalr_clk, }; -static void div4_kick(struct clk *clk) +static int frqcr_kick(void) { - unsigned long value; + int i; + + /* set KICK bit in FRQCRB to update hardware setting, check success */ + __raw_writel(__raw_readl(FRQCRB) | (1 << 31), FRQCRB); + for (i = 1000; i; i--) + if (__raw_readl(FRQCRB) & (1 << 31)) + cpu_relax(); + else + return i; - /* set KICK bit in FRQCRB to update hardware setting */ - value = __raw_readl(FRQCRB); - value |= (1 << 31); - __raw_writel(value, FRQCRB); + return -ETIMEDOUT; +} + +static void div4_kick(struct clk *clk) +{ + frqcr_kick(); } static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, @@ -258,25 +221,37 @@ static struct clk_div4_table div4_table = { }; enum { DIV4_I, DIV4_ZG, DIV4_M3, DIV4_B, DIV4_M1, DIV4_M2, - DIV4_Z, DIV4_ZTR, DIV4_ZT, DIV4_ZX, DIV4_HP, DIV4_NR }; + DIV4_Z, DIV4_ZX, DIV4_HP, DIV4_NR }; #define DIV4(_reg, _bit, _mask, _flags) \ SH_CLK_DIV4(&pll1_clk, _reg, _bit, _mask, _flags) static struct clk div4_clks[DIV4_NR] = { [DIV4_I] = DIV4(FRQCRA, 20, 0xdff, CLK_ENABLE_ON_INIT), - [DIV4_ZG] = DIV4(FRQCRA, 16, 0xd7f, CLK_ENABLE_ON_INIT), + [DIV4_ZG] = SH_CLK_DIV4(&pll0_clk, FRQCRA, 16, 0xd7f, CLK_ENABLE_ON_INIT), [DIV4_M3] = DIV4(FRQCRA, 12, 0x1dff, CLK_ENABLE_ON_INIT), [DIV4_B] = DIV4(FRQCRA, 8, 0xdff, CLK_ENABLE_ON_INIT), [DIV4_M1] = DIV4(FRQCRA, 4, 0x1dff, 0), [DIV4_M2] = DIV4(FRQCRA, 0, 0x1dff, 0), - [DIV4_Z] = DIV4(FRQCRB, 24, 0x97f, 0), - [DIV4_ZTR] = DIV4(FRQCRB, 20, 0xdff, 0), - [DIV4_ZT] = DIV4(FRQCRB, 16, 0xdff, 0), + [DIV4_Z] = SH_CLK_DIV4(&pll0_clk, FRQCRB, 24, 0x97f, 0), [DIV4_ZX] = DIV4(FRQCRB, 12, 0xdff, 0), [DIV4_HP] = DIV4(FRQCRB, 4, 0xdff, 0), }; +static unsigned long twd_recalc(struct clk *clk) +{ + return clk_get_rate(clk->parent) / 4; +} + +static struct sh_clk_ops twd_clk_ops = { + .recalc = twd_recalc, +}; + +static struct clk twd_clk = { + .parent = &div4_clks[DIV4_Z], + .ops = &twd_clk_ops, +}; + enum { DIV6_VCK1, DIV6_VCK2, DIV6_VCK3, DIV6_ZB1, DIV6_FLCTL, DIV6_SDHI0, DIV6_SDHI1, DIV6_SDHI2, DIV6_FSIA, DIV6_FSIB, DIV6_SUB, @@ -471,6 +446,7 @@ static struct clk dsi1phy_clk = { static struct clk *late_main_clks[] = { &dsi0phy_clk, &dsi1phy_clk, + &twd_clk, }; enum { MSTP001, @@ -535,6 +511,7 @@ static struct clk mstp_clks[MSTP_NR] = { static struct clk_lookup lookups[] = { /* main clocks */ CLKDEV_CON_ID("r_clk", &r_clk), + CLKDEV_DEV_ID("smp_twd", &twd_clk), /* smp_twd */ /* DIV6 clocks */ CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), @@ -581,10 +558,13 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("e6822000.i2c", &mstp_clks[MSTP323]), /* I2C1 */ CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP322]), /* USB */ CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ + CLKDEV_DEV_ID("ee100000.sdhi", &mstp_clks[MSTP314]), /* SDHI0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ + CLKDEV_DEV_ID("ee120000.sdhi", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ CLKDEV_DEV_ID("e6bd0000.mmcif", &mstp_clks[MSTP312]), /* MMCIF0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */ + CLKDEV_DEV_ID("ee140000.sdhi", &mstp_clks[MSTP311]), /* SDHI2 */ CLKDEV_DEV_ID("leds-renesas-tpu.12", &mstp_clks[MSTP303]), /* TPU1 */ CLKDEV_DEV_ID("leds-renesas-tpu.21", &mstp_clks[MSTP302]), /* TPU2 */ CLKDEV_DEV_ID("leds-renesas-tpu.30", &mstp_clks[MSTP301]), /* TPU3 */ diff --git a/arch/arm/mach-shmobile/clock.c b/arch/arm/mach-shmobile/clock.c index e816ca9bd213..ad7df629d995 100644 --- a/arch/arm/mach-shmobile/clock.c +++ b/arch/arm/mach-shmobile/clock.c @@ -23,6 +23,19 @@ #include <linux/init.h> #include <linux/sh_clk.h> #include <linux/export.h> +#include <mach/clock.h> +#include <mach/common.h> + +unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk) +{ + struct clk_ratio *p = clk->priv; + + return clk->parent->rate / p->div * p->mul; +}; + +struct sh_clk_ops shmobile_fixed_ratio_clk_ops = { + .recalc = shmobile_fixed_ratio_clk_recalc, +}; int __init shmobile_clk_init(void) { diff --git a/arch/arm/mach-shmobile/headsmp-sh73a0.S b/arch/arm/mach-shmobile/headsmp-scu.S index bec4c0d9b713..7d113f898e7f 100644 --- a/arch/arm/mach-shmobile/headsmp-sh73a0.S +++ b/arch/arm/mach-shmobile/headsmp-scu.S @@ -1,5 +1,5 @@ /* - * SMP support for SoC sh73a0 + * Shared SCU setup for mach-shmobile * * Copyright (C) 2012 Bastian Hecht * @@ -35,11 +35,12 @@ * the physical address as the MMU is still turned off. */ .align 12 -ENTRY(sh73a0_secondary_vector) +ENTRY(shmobile_secondary_vector_scu) mrc p15, 0, r0, c0, c0, 5 @ read MIPDR and r0, r0, #3 @ mask out cpu ID lsl r0, r0, #3 @ we will shift by cpu_id * 8 bits - mov r1, #0xf0000000 @ SCU base address + ldr r1, 2f + ldr r1, [r1] @ SCU base address ldr r2, [r1, #8] @ SCU Power Status Register mov r3, #3 bic r2, r2, r3, lsl r0 @ Clear bits of our CPU (Run Mode) @@ -47,4 +48,10 @@ ENTRY(sh73a0_secondary_vector) ldr pc, 1f 1: .long shmobile_invalidate_start - PAGE_OFFSET + PLAT_PHYS_OFFSET -ENDPROC(sh73a0_secondary_vector) +2: .long shmobile_scu_base - PAGE_OFFSET + PLAT_PHYS_OFFSET +ENDPROC(shmobile_secondary_vector_scu) + + .text + .globl shmobile_scu_base +shmobile_scu_base: + .space 4 diff --git a/arch/arm/mach-shmobile/hotplug.c b/arch/arm/mach-shmobile/hotplug.c deleted file mode 100644 index a1524e3367b0..000000000000 --- a/arch/arm/mach-shmobile/hotplug.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * SMP support for R-Mobile / SH-Mobile - * - * Copyright (C) 2010 Magnus Damm - * - * Based on realview, Copyright (C) 2002 ARM Ltd, All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/smp.h> -#include <linux/cpumask.h> -#include <linux/delay.h> -#include <linux/of.h> -#include <mach/common.h> -#include <mach/r8a7779.h> -#include <mach/emev2.h> -#include <asm/cacheflush.h> -#include <asm/mach-types.h> - -static cpumask_t dead_cpus; - -void shmobile_cpu_die(unsigned int cpu) -{ - /* hardware shutdown code running on the CPU that is being offlined */ - flush_cache_all(); - dsb(); - - /* notify platform_cpu_kill() that hardware shutdown is finished */ - cpumask_set_cpu(cpu, &dead_cpus); - - /* wait for SoC code in platform_cpu_kill() to shut off CPU core - * power. CPU bring up starts from the reset vector. - */ - while (1) { - /* - * here's the WFI - */ - asm(".word 0xe320f003\n" - : - : - : "memory", "cc"); - } -} - -int shmobile_cpu_disable(unsigned int cpu) -{ - cpumask_clear_cpu(cpu, &dead_cpus); - /* - * we don't allow CPU 0 to be shutdown (it is still too special - * e.g. clock tick interrupts) - */ - return cpu == 0 ? -EPERM : 0; -} - -int shmobile_cpu_disable_any(unsigned int cpu) -{ - cpumask_clear_cpu(cpu, &dead_cpus); - return 0; -} - -int shmobile_cpu_is_dead(unsigned int cpu) -{ - return cpumask_test_cpu(cpu, &dead_cpus); -} diff --git a/arch/arm/mach-shmobile/include/mach/clock.h b/arch/arm/mach-shmobile/include/mach/clock.h new file mode 100644 index 000000000000..76ac61292e48 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/clock.h @@ -0,0 +1,39 @@ +#ifndef CLOCK_H +#define CLOCK_H + +unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk); +extern struct sh_clk_ops shmobile_fixed_ratio_clk_ops; + +/* clock ratio */ +struct clk_ratio { + int mul; + int div; +}; + +#define SH_CLK_RATIO(name, m, d) \ +static struct clk_ratio name ##_ratio = { \ + .mul = m, \ + .div = d, \ +} + +#define SH_FIXED_RATIO_CLKg(name, p, r) \ +struct clk name = { \ + .parent = &p, \ + .ops = &shmobile_fixed_ratio_clk_ops,\ + .priv = &r ## _ratio, \ +} + +#define SH_FIXED_RATIO_CLK(name, p, r) \ +static SH_FIXED_RATIO_CLKg(name, p, r); + +#define SH_FIXED_RATIO_CLK_SET(name, p, m, d) \ + SH_CLK_RATIO(name, m, d); \ + SH_FIXED_RATIO_CLK(name, p, name); + +#define SH_CLK_SET_RATIO(p, m, d) \ +{ \ + (p)->mul = m; \ + (p)->div = d; \ +} + +#endif diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index e48606d8a2be..e002cfd9d2df 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -8,6 +8,7 @@ extern void shmobile_setup_delay(unsigned int max_cpu_core_mhz, struct twd_local_timer; extern void shmobile_setup_console(void); extern void shmobile_secondary_vector(void); +extern void shmobile_secondary_vector_scu(void); struct clk; extern int shmobile_clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); @@ -18,58 +19,6 @@ extern int shmobile_enter_wfi(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); extern void shmobile_cpuidle_set_driver(struct cpuidle_driver *drv); -extern void sh7372_init_irq(void); -extern void sh7372_map_io(void); -extern void sh7372_earlytimer_init(void); -extern void sh7372_add_early_devices(void); -extern void sh7372_add_standard_devices(void); -extern void sh7372_add_early_devices_dt(void); -extern void sh7372_add_standard_devices_dt(void); -extern void sh7372_clock_init(void); -extern void sh7372_pinmux_init(void); -extern void sh7372_pm_init(void); -extern void sh7372_resume_core_standby_sysc(void); -extern int sh7372_do_idle_sysc(unsigned long sleep_mode); -extern struct clk sh7372_extal1_clk; -extern struct clk sh7372_extal2_clk; - -extern void sh73a0_init_irq(void); -extern void sh73a0_init_irq_dt(void); -extern void sh73a0_map_io(void); -extern void sh73a0_earlytimer_init(void); -extern void sh73a0_add_early_devices(void); -extern void sh73a0_add_early_devices_dt(void); -extern void sh73a0_add_standard_devices(void); -extern void sh73a0_add_standard_devices_dt(void); -extern void sh73a0_clock_init(void); -extern void sh73a0_pinmux_init(void); -extern void sh73a0_pm_init(void); -extern void sh73a0_secondary_vector(void); -extern struct clk sh73a0_extal1_clk; -extern struct clk sh73a0_extal2_clk; -extern struct clk sh73a0_extcki_clk; -extern struct clk sh73a0_extalr_clk; - -extern void r8a7740_init_irq(void); -extern void r8a7740_map_io(void); -extern void r8a7740_add_early_devices(void); -extern void r8a7740_add_standard_devices(void); -extern void r8a7740_clock_init(u8 md_ck); -extern void r8a7740_pinmux_init(void); -extern void r8a7740_pm_init(void); - -extern void r8a7779_init_irq(void); -extern void r8a7779_map_io(void); -extern void r8a7779_earlytimer_init(void); -extern void r8a7779_add_early_devices(void); -extern void r8a7779_add_standard_devices(void); -extern void r8a7779_clock_init(void); -extern void r8a7779_pinmux_init(void); -extern void r8a7779_pm_init(void); -extern void r8a7740_meram_workaround(void); - -extern void r8a7779_register_twd(void); - #ifdef CONFIG_SUSPEND int shmobile_suspend_init(void); #else @@ -82,16 +31,7 @@ int shmobile_cpuidle_init(void); static inline int shmobile_cpuidle_init(void) { return 0; } #endif -extern void shmobile_cpu_die(unsigned int cpu); -extern int shmobile_cpu_disable(unsigned int cpu); -extern int shmobile_cpu_disable_any(unsigned int cpu); - -#ifdef CONFIG_HOTPLUG_CPU -extern int shmobile_cpu_is_dead(unsigned int cpu); -#else -static inline int shmobile_cpu_is_dead(unsigned int cpu) { return 1; } -#endif - +extern void __iomem *shmobile_scu_base; extern void shmobile_smp_init_cpus(unsigned int ncores); static inline void __init shmobile_init_late(void) diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h index 06a5da3c3050..b2074e2acb15 100644 --- a/arch/arm/mach-shmobile/include/mach/irqs.h +++ b/arch/arm/mach-shmobile/include/mach/irqs.h @@ -5,10 +5,15 @@ /* GIC */ #define gic_spi(nr) ((nr) + 32) +#define gic_iid(nr) (nr) /* ICCIAR / interrupt ID */ /* INTCS */ #define INTCS_VECT_BASE 0x3400 #define INTCS_VECT(n, vect) INTC_VECT((n), INTCS_VECT_BASE + (vect)) #define intcs_evt2irq(evt) evt2irq(INTCS_VECT_BASE + (evt)) +/* External IRQ pins */ +#define IRQPIN_BASE 2000 +#define irq_pin(nr) ((nr) + IRQPIN_BASE) + #endif /* __ASM_MACH_IRQS_H */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a73a4.h b/arch/arm/mach-shmobile/include/mach/r8a73a4.h new file mode 100644 index 000000000000..f043103e32c9 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r8a73a4.h @@ -0,0 +1,8 @@ +#ifndef __ASM_R8A73A4_H__ +#define __ASM_R8A73A4_H__ + +void r8a73a4_add_standard_devices(void); +void r8a73a4_clock_init(void); +void r8a73a4_pinmux_init(void); + +#endif /* __ASM_R8A73A4_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h index c2583610ad36..abdc4d4efa28 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7740.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h @@ -532,6 +532,15 @@ enum { SHDMA_SLAVE_USBHS_RX, }; +extern void r8a7740_meram_workaround(void); +extern void r8a7740_init_irq(void); +extern void r8a7740_map_io(void); +extern void r8a7740_add_early_devices(void); +extern void r8a7740_add_standard_devices(void); +extern void r8a7740_clock_init(u8 md_ck); +extern void r8a7740_pinmux_init(void); +extern void r8a7740_pm_init(void); + #ifdef CONFIG_PM extern void __init r8a7740_init_pm_domains(void); #else diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h new file mode 100644 index 000000000000..a755dcafef4d --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef __ASM_R8A7778_H__ +#define __ASM_R8A7778_H__ + +extern void r8a7778_add_standard_devices(void); +extern void r8a7778_add_standard_devices_dt(void); +extern void r8a7778_init_delay(void); +extern void r8a7778_init_irq(void); +extern void r8a7778_init_irq_dt(void); +extern void r8a7778_clock_init(void); + +#endif /* __ASM_R8A7778_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h index 8ea0ad18cdff..68c3b2dfb018 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7779.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h @@ -339,6 +339,19 @@ static inline struct r8a7779_pm_ch *to_r8a7779_ch(struct generic_pm_domain *d) return &container_of(d, struct r8a7779_pm_domain, genpd)->ch; } +extern void r8a7779_init_delay(void); +extern void r8a7779_init_irq(void); +extern void r8a7779_init_irq_extpin(int irlm); +extern void r8a7779_init_irq_dt(void); +extern void r8a7779_map_io(void); +extern void r8a7779_earlytimer_init(void); +extern void r8a7779_add_early_devices(void); +extern void r8a7779_add_standard_devices(void); +extern void r8a7779_add_standard_devices_dt(void); +extern void r8a7779_clock_init(void); +extern void r8a7779_pinmux_init(void); +extern void r8a7779_pm_init(void); +extern void r8a7779_register_twd(void); extern int r8a7779_sysc_power_down(struct r8a7779_pm_ch *r8a7779_ch); extern int r8a7779_sysc_power_up(struct r8a7779_pm_ch *r8a7779_ch); diff --git a/arch/arm/mach-shmobile/include/mach/r8a7790.h b/arch/arm/mach-shmobile/include/mach/r8a7790.h new file mode 100644 index 000000000000..9bd6f5c894bb --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r8a7790.h @@ -0,0 +1,8 @@ +#ifndef __ASM_R8A7790_H__ +#define __ASM_R8A7790_H__ + +void r8a7790_add_standard_devices(void); +void r8a7790_clock_init(void); +void r8a7790_pinmux_init(void); + +#endif /* __ASM_R8A7790_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index 7ded4ebaf5cc..fd7cba024c39 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -449,6 +449,18 @@ extern struct clk sh7372_dv_clki_clk; extern struct clk sh7372_dv_clki_div2_clk; extern struct clk sh7372_pllc2_clk; +extern void sh7372_init_irq(void); +extern void sh7372_map_io(void); +extern void sh7372_earlytimer_init(void); +extern void sh7372_add_early_devices(void); +extern void sh7372_add_standard_devices(void); +extern void sh7372_add_early_devices_dt(void); +extern void sh7372_add_standard_devices_dt(void); +extern void sh7372_clock_init(void); +extern void sh7372_pinmux_init(void); +extern void sh7372_pm_init(void); +extern void sh7372_resume_core_standby_sysc(void); +extern int sh7372_do_idle_sysc(unsigned long sleep_mode); extern void sh7372_intcs_suspend(void); extern void sh7372_intcs_resume(void); extern void sh7372_intca_suspend(void); diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h index fbc1584d6712..eb7a4320d487 100644 --- a/arch/arm/mach-shmobile/include/mach/sh73a0.h +++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h @@ -444,6 +444,21 @@ enum { #define SH73A0_PINT0_IRQ(irq) ((irq) + 700) #define SH73A0_PINT1_IRQ(irq) ((irq) + 732) +extern void sh73a0_init_delay(void); +extern void sh73a0_init_irq(void); +extern void sh73a0_init_irq_dt(void); +extern void sh73a0_map_io(void); +extern void sh73a0_earlytimer_init(void); +extern void sh73a0_add_early_devices(void); +extern void sh73a0_add_standard_devices(void); +extern void sh73a0_add_standard_devices_dt(void); +extern void sh73a0_clock_init(void); +extern void sh73a0_pinmux_init(void); +extern void sh73a0_pm_init(void); +extern struct clk sh73a0_extal1_clk; +extern struct clk sh73a0_extal2_clk; +extern struct clk sh73a0_extcki_clk; +extern struct clk sh73a0_extalr_clk; extern struct smp_operations sh73a0_smp_ops; #endif /* __ASM_SH73A0_H__ */ diff --git a/arch/arm/mach-shmobile/intc-r8a7740.c b/arch/arm/mach-shmobile/intc-r8a7740.c index 9a69a31918ba..b741c8409a5a 100644 --- a/arch/arm/mach-shmobile/intc-r8a7740.c +++ b/arch/arm/mach-shmobile/intc-r8a7740.c @@ -18,620 +18,39 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <linux/kernel.h> #include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/io.h> -#include <linux/sh_intc.h> -#include <mach/intc.h> -#include <mach/irqs.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -/* - * INTCA - */ -enum { - UNUSED_INTCA = 0, - - /* interrupt sources INTCA */ - DIRC, - ATAPI, - IIC1_ALI, IIC1_TACKI, IIC1_WAITI, IIC1_DTEI, - AP_ARM_COMMTX, AP_ARM_COMMRX, - MFI, MFIS, - BBIF1, BBIF2, - USBHSDMAC, - USBF_OUL_SOF, USBF_IXL_INT, - SGX540, - CMT1_0, CMT1_1, CMT1_2, CMT1_3, - CMT2, - CMT3, - KEYSC, - SCIFA0, SCIFA1, SCIFA2, SCIFA3, - MSIOF2, MSIOF1, - SCIFA4, SCIFA5, SCIFB, - FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I, - SDHI0_0, SDHI0_1, SDHI0_2, SDHI0_3, - SDHI1_0, SDHI1_1, SDHI1_2, SDHI1_3, - AP_ARM_L2CINT, - IRDA, - TPU0, - SCIFA6, SCIFA7, - GbEther, - ICBS0, - DDM, - SDHI2_0, SDHI2_1, SDHI2_2, SDHI2_3, - RWDT0, - DMAC1_1_DEI0, DMAC1_1_DEI1, DMAC1_1_DEI2, DMAC1_1_DEI3, - DMAC1_2_DEI4, DMAC1_2_DEI5, DMAC1_2_DADERR, - DMAC2_1_DEI0, DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3, - DMAC2_2_DEI4, DMAC2_2_DEI5, DMAC2_2_DADERR, - DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3, - DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR, - SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM, - HDMI, - USBH_INT, USBH_OHCI, USBH_EHCI, USBH_PME, USBH_BIND, - RSPI_OVRF, RSPI_SPTEF, RSPI_SPRF, - SPU2_0, SPU2_1, - FSI, FMSI, - HDMI_SSS, HDMI_KEY, - IPMMU, - AP_ARM_CTIIRQ, AP_ARM_PMURQ, - MFIS2, - CPORTR2S, - CMT14, CMT15, - MMCIF_0, MMCIF_1, MMCIF_2, - SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI, - STPRO_0, STPRO_1, STPRO_2, STPRO_3, STPRO_4, - - /* interrupt groups INTCA */ - DMAC1_1, DMAC1_2, - DMAC2_1, DMAC2_2, - DMAC3_1, DMAC3_2, - AP_ARM1, AP_ARM2, - SDHI0, SDHI1, SDHI2, - SHWYSTAT, - USBF, USBH1, USBH2, - RSPI, SPU2, FLCTL, IIC1, -}; - -static struct intc_vect intca_vectors[] __initdata = { - INTC_VECT(DIRC, 0x0560), - INTC_VECT(ATAPI, 0x05E0), - INTC_VECT(IIC1_ALI, 0x0780), - INTC_VECT(IIC1_TACKI, 0x07A0), - INTC_VECT(IIC1_WAITI, 0x07C0), - INTC_VECT(IIC1_DTEI, 0x07E0), - INTC_VECT(AP_ARM_COMMTX, 0x0840), - INTC_VECT(AP_ARM_COMMRX, 0x0860), - INTC_VECT(MFI, 0x0900), - INTC_VECT(MFIS, 0x0920), - INTC_VECT(BBIF1, 0x0940), - INTC_VECT(BBIF2, 0x0960), - INTC_VECT(USBHSDMAC, 0x0A00), - INTC_VECT(USBF_OUL_SOF, 0x0A20), - INTC_VECT(USBF_IXL_INT, 0x0A40), - INTC_VECT(SGX540, 0x0A60), - INTC_VECT(CMT1_0, 0x0B00), - INTC_VECT(CMT1_1, 0x0B20), - INTC_VECT(CMT1_2, 0x0B40), - INTC_VECT(CMT1_3, 0x0B60), - INTC_VECT(CMT2, 0x0B80), - INTC_VECT(CMT3, 0x0BA0), - INTC_VECT(KEYSC, 0x0BE0), - INTC_VECT(SCIFA0, 0x0C00), - INTC_VECT(SCIFA1, 0x0C20), - INTC_VECT(SCIFA2, 0x0C40), - INTC_VECT(SCIFA3, 0x0C60), - INTC_VECT(MSIOF2, 0x0C80), - INTC_VECT(MSIOF1, 0x0D00), - INTC_VECT(SCIFA4, 0x0D20), - INTC_VECT(SCIFA5, 0x0D40), - INTC_VECT(SCIFB, 0x0D60), - INTC_VECT(FLCTL_FLSTEI, 0x0D80), - INTC_VECT(FLCTL_FLTENDI, 0x0DA0), - INTC_VECT(FLCTL_FLTREQ0I, 0x0DC0), - INTC_VECT(FLCTL_FLTREQ1I, 0x0DE0), - INTC_VECT(SDHI0_0, 0x0E00), - INTC_VECT(SDHI0_1, 0x0E20), - INTC_VECT(SDHI0_2, 0x0E40), - INTC_VECT(SDHI0_3, 0x0E60), - INTC_VECT(SDHI1_0, 0x0E80), - INTC_VECT(SDHI1_1, 0x0EA0), - INTC_VECT(SDHI1_2, 0x0EC0), - INTC_VECT(SDHI1_3, 0x0EE0), - INTC_VECT(AP_ARM_L2CINT, 0x0FA0), - INTC_VECT(IRDA, 0x0480), - INTC_VECT(TPU0, 0x04A0), - INTC_VECT(SCIFA6, 0x04C0), - INTC_VECT(SCIFA7, 0x04E0), - INTC_VECT(GbEther, 0x0500), - INTC_VECT(ICBS0, 0x0540), - INTC_VECT(DDM, 0x1140), - INTC_VECT(SDHI2_0, 0x1200), - INTC_VECT(SDHI2_1, 0x1220), - INTC_VECT(SDHI2_2, 0x1240), - INTC_VECT(SDHI2_3, 0x1260), - INTC_VECT(RWDT0, 0x1280), - INTC_VECT(DMAC1_1_DEI0, 0x2000), - INTC_VECT(DMAC1_1_DEI1, 0x2020), - INTC_VECT(DMAC1_1_DEI2, 0x2040), - INTC_VECT(DMAC1_1_DEI3, 0x2060), - INTC_VECT(DMAC1_2_DEI4, 0x2080), - INTC_VECT(DMAC1_2_DEI5, 0x20A0), - INTC_VECT(DMAC1_2_DADERR, 0x20C0), - INTC_VECT(DMAC2_1_DEI0, 0x2100), - INTC_VECT(DMAC2_1_DEI1, 0x2120), - INTC_VECT(DMAC2_1_DEI2, 0x2140), - INTC_VECT(DMAC2_1_DEI3, 0x2160), - INTC_VECT(DMAC2_2_DEI4, 0x2180), - INTC_VECT(DMAC2_2_DEI5, 0x21A0), - INTC_VECT(DMAC2_2_DADERR, 0x21C0), - INTC_VECT(DMAC3_1_DEI0, 0x2200), - INTC_VECT(DMAC3_1_DEI1, 0x2220), - INTC_VECT(DMAC3_1_DEI2, 0x2240), - INTC_VECT(DMAC3_1_DEI3, 0x2260), - INTC_VECT(DMAC3_2_DEI4, 0x2280), - INTC_VECT(DMAC3_2_DEI5, 0x22A0), - INTC_VECT(DMAC3_2_DADERR, 0x22C0), - INTC_VECT(SHWYSTAT_RT, 0x1300), - INTC_VECT(SHWYSTAT_HS, 0x1320), - INTC_VECT(SHWYSTAT_COM, 0x1340), - INTC_VECT(USBH_INT, 0x1540), - INTC_VECT(USBH_OHCI, 0x1560), - INTC_VECT(USBH_EHCI, 0x1580), - INTC_VECT(USBH_PME, 0x15A0), - INTC_VECT(USBH_BIND, 0x15C0), - INTC_VECT(HDMI, 0x1700), - INTC_VECT(RSPI_OVRF, 0x1780), - INTC_VECT(RSPI_SPTEF, 0x17A0), - INTC_VECT(RSPI_SPRF, 0x17C0), - INTC_VECT(SPU2_0, 0x1800), - INTC_VECT(SPU2_1, 0x1820), - INTC_VECT(FSI, 0x1840), - INTC_VECT(FMSI, 0x1860), - INTC_VECT(HDMI_SSS, 0x18A0), - INTC_VECT(HDMI_KEY, 0x18C0), - INTC_VECT(IPMMU, 0x1920), - INTC_VECT(AP_ARM_CTIIRQ, 0x1980), - INTC_VECT(AP_ARM_PMURQ, 0x19A0), - INTC_VECT(MFIS2, 0x1A00), - INTC_VECT(CPORTR2S, 0x1A20), - INTC_VECT(CMT14, 0x1A40), - INTC_VECT(CMT15, 0x1A60), - INTC_VECT(MMCIF_0, 0x1AA0), - INTC_VECT(MMCIF_1, 0x1AC0), - INTC_VECT(MMCIF_2, 0x1AE0), - INTC_VECT(SIM_ERI, 0x1C00), - INTC_VECT(SIM_RXI, 0x1C20), - INTC_VECT(SIM_TXI, 0x1C40), - INTC_VECT(SIM_TEI, 0x1C60), - INTC_VECT(STPRO_0, 0x1C80), - INTC_VECT(STPRO_1, 0x1CA0), - INTC_VECT(STPRO_2, 0x1CC0), - INTC_VECT(STPRO_3, 0x1CE0), - INTC_VECT(STPRO_4, 0x1D00), -}; - -static struct intc_group intca_groups[] __initdata = { - INTC_GROUP(DMAC1_1, - DMAC1_1_DEI0, DMAC1_1_DEI1, DMAC1_1_DEI2, DMAC1_1_DEI3), - INTC_GROUP(DMAC1_2, - DMAC1_2_DEI4, DMAC1_2_DEI5, DMAC1_2_DADERR), - INTC_GROUP(DMAC2_1, - DMAC2_1_DEI0, DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3), - INTC_GROUP(DMAC2_2, - DMAC2_2_DEI4, DMAC2_2_DEI5, DMAC2_2_DADERR), - INTC_GROUP(DMAC3_1, - DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3), - INTC_GROUP(DMAC3_2, - DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR), - INTC_GROUP(AP_ARM1, - AP_ARM_COMMTX, AP_ARM_COMMRX), - INTC_GROUP(AP_ARM2, - AP_ARM_CTIIRQ, AP_ARM_PMURQ), - INTC_GROUP(USBF, - USBF_OUL_SOF, USBF_IXL_INT), - INTC_GROUP(SDHI0, - SDHI0_0, SDHI0_1, SDHI0_2, SDHI0_3), - INTC_GROUP(SDHI1, - SDHI1_0, SDHI1_1, SDHI1_2, SDHI1_3), - INTC_GROUP(SDHI2, - SDHI2_0, SDHI2_1, SDHI2_2, SDHI2_3), - INTC_GROUP(SHWYSTAT, - SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM), - INTC_GROUP(USBH1, /* FIXME */ - USBH_INT, USBH_OHCI), - INTC_GROUP(USBH2, /* FIXME */ - USBH_EHCI, - USBH_PME, USBH_BIND), - INTC_GROUP(RSPI, - RSPI_OVRF, RSPI_SPTEF, RSPI_SPRF), - INTC_GROUP(SPU2, - SPU2_0, SPU2_1), - INTC_GROUP(FLCTL, - FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I), - INTC_GROUP(IIC1, - IIC1_ALI, IIC1_TACKI, IIC1_WAITI, IIC1_DTEI), -}; - -static struct intc_mask_reg intca_mask_registers[] __initdata = { - { /* IMR0A / IMCR0A */ 0xe6940080, 0xe69400c0, 8, - { DMAC2_1_DEI3, DMAC2_1_DEI2, DMAC2_1_DEI1, DMAC2_1_DEI0, - 0, 0, AP_ARM_COMMTX, AP_ARM_COMMRX } }, - { /* IMR1A / IMCR1A */ 0xe6940084, 0xe69400c4, 8, - { ATAPI, 0, DIRC, 0, - DMAC1_1_DEI3, DMAC1_1_DEI2, DMAC1_1_DEI1, DMAC1_1_DEI0 } }, - { /* IMR2A / IMCR2A */ 0xe6940088, 0xe69400c8, 8, - { 0, 0, 0, 0, - BBIF1, BBIF2, MFIS, MFI } }, - { /* IMR3A / IMCR3A */ 0xe694008c, 0xe69400cc, 8, - { DMAC3_1_DEI3, DMAC3_1_DEI2, DMAC3_1_DEI1, DMAC3_1_DEI0, - DMAC3_2_DADERR, DMAC3_2_DEI5, DMAC3_2_DEI4, IRDA } }, - { /* IMR4A / IMCR4A */ 0xe6940090, 0xe69400d0, 8, - { DDM, 0, 0, 0, - 0, 0, 0, 0 } }, - { /* IMR5A / IMCR5A */ 0xe6940094, 0xe69400d4, 8, - { KEYSC, DMAC1_2_DADERR, DMAC1_2_DEI5, DMAC1_2_DEI4, - SCIFA3, SCIFA2, SCIFA1, SCIFA0 } }, - { /* IMR6A / IMCR6A */ 0xe6940098, 0xe69400d8, 8, - { SCIFB, SCIFA5, SCIFA4, MSIOF1, - 0, 0, MSIOF2, 0 } }, - { /* IMR7A / IMCR7A */ 0xe694009c, 0xe69400dc, 8, - { SDHI0_3, SDHI0_2, SDHI0_1, SDHI0_0, - FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } }, - { /* IMR8A / IMCR8A */ 0xe69400a0, 0xe69400e0, 8, - { SDHI1_3, SDHI1_2, SDHI1_1, SDHI1_0, - 0, USBHSDMAC, 0, AP_ARM_L2CINT } }, - { /* IMR9A / IMCR9A */ 0xe69400a4, 0xe69400e4, 8, - { CMT1_3, CMT1_2, CMT1_1, CMT1_0, - CMT2, USBF_IXL_INT, USBF_OUL_SOF, SGX540 } }, - { /* IMR10A / IMCR10A */ 0xe69400a8, 0xe69400e8, 8, - { 0, DMAC2_2_DADERR, DMAC2_2_DEI5, DMAC2_2_DEI4, - 0, 0, 0, 0 } }, - { /* IMR11A / IMCR11A */ 0xe69400ac, 0xe69400ec, 8, - { IIC1_DTEI, IIC1_WAITI, IIC1_TACKI, IIC1_ALI, - ICBS0, 0, 0, 0 } }, - { /* IMR12A / IMCR12A */ 0xe69400b0, 0xe69400f0, 8, - { 0, 0, TPU0, SCIFA6, - SCIFA7, GbEther, 0, 0 } }, - { /* IMR13A / IMCR13A */ 0xe69400b4, 0xe69400f4, 8, - { SDHI2_3, SDHI2_2, SDHI2_1, SDHI2_0, - 0, CMT3, 0, RWDT0 } }, - { /* IMR0A3 / IMCR0A3 */ 0xe6950080, 0xe69500c0, 8, - { SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM, 0, - 0, 0, 0, 0 } }, - /* IMR1A3 / IMCR1A3 */ - { /* IMR2A3 / IMCR2A3 */ 0xe6950088, 0xe69500c8, 8, - { 0, 0, USBH_INT, USBH_OHCI, - USBH_EHCI, USBH_PME, USBH_BIND, 0 } }, - /* IMR3A3 / IMCR3A3 */ - { /* IMR4A3 / IMCR4A3 */ 0xe6950090, 0xe69500d0, 8, - { HDMI, 0, 0, 0, - RSPI_OVRF, RSPI_SPTEF, RSPI_SPRF, 0 } }, - { /* IMR5A3 / IMCR5A3 */ 0xe6950094, 0xe69500d4, 8, - { SPU2_0, SPU2_1, FSI, FMSI, - 0, HDMI_SSS, HDMI_KEY, 0 } }, - { /* IMR6A3 / IMCR6A3 */ 0xe6950098, 0xe69500d8, 8, - { 0, IPMMU, 0, 0, - AP_ARM_CTIIRQ, AP_ARM_PMURQ, 0, 0 } }, - { /* IMR7A3 / IMCR7A3 */ 0xe695009c, 0xe69500dc, 8, - { MFIS2, CPORTR2S, CMT14, CMT15, - 0, MMCIF_0, MMCIF_1, MMCIF_2 } }, - /* IMR8A3 / IMCR8A3 */ - { /* IMR9A3 / IMCR9A3 */ 0xe69500a4, 0xe69500e4, 8, - { SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI, - STPRO_0, STPRO_1, STPRO_2, STPRO_3 } }, - { /* IMR10A3 / IMCR10A3 */ 0xe69500a8, 0xe69500e8, 8, - { STPRO_4, 0, 0, 0, - 0, 0, 0, 0 } }, -}; - -static struct intc_prio_reg intca_prio_registers[] __initdata = { - { 0xe6940000, 0, 16, 4, /* IPRAA */ { DMAC3_1, DMAC3_2, CMT2, ICBS0 } }, - { 0xe6940004, 0, 16, 4, /* IPRBA */ { IRDA, 0, BBIF1, BBIF2 } }, - { 0xe6940008, 0, 16, 4, /* IPRCA */ { ATAPI, 0, CMT1_1, AP_ARM1 } }, - { 0xe694000c, 0, 16, 4, /* IPRDA */ { 0, 0, CMT1_2, 0 } }, - { 0xe6940010, 0, 16, 4, /* IPREA */ { DMAC1_1, MFIS, MFI, USBF } }, - { 0xe6940014, 0, 16, 4, /* IPRFA */ { KEYSC, DMAC1_2, - SGX540, CMT1_0 } }, - { 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1, - SCIFA2, SCIFA3 } }, - { 0xe694001c, 0, 16, 4, /* IPRGH */ { MSIOF2, USBHSDMAC, - FLCTL, SDHI0 } }, - { 0xe6940020, 0, 16, 4, /* IPRIA */ { MSIOF1, SCIFA4, 0, IIC1 } }, - { 0xe6940024, 0, 16, 4, /* IPRJA */ { DMAC2_1, DMAC2_2, - AP_ARM_L2CINT, 0 } }, - { 0xe6940028, 0, 16, 4, /* IPRKA */ { 0, CMT1_3, 0, SDHI1 } }, - { 0xe694002c, 0, 16, 4, /* IPRLA */ { TPU0, SCIFA6, - SCIFA7, GbEther } }, - { 0xe6940030, 0, 16, 4, /* IPRMA */ { 0, CMT3, 0, RWDT0 } }, - { 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, 0, DDM } }, - { 0xe6940038, 0, 16, 4, /* IPROA */ { 0, 0, DIRC, SDHI2 } }, - { 0xe6950000, 0, 16, 4, /* IPRAA3 */ { SHWYSTAT, 0, 0, 0 } }, - /* IPRBA3 */ - /* IPRCA3 */ - /* IPRDA3 */ - { 0xe6950010, 0, 16, 4, /* IPREA3 */ { USBH1, 0, 0, 0 } }, - { 0xe6950014, 0, 16, 4, /* IPRFA3 */ { USBH2, 0, 0, 0 } }, - /* IPRGA3 */ - /* IPRHA3 */ - { 0xe6950020, 0, 16, 4, /* IPRIA3 */ { HDMI, 0, 0, 0 } }, - { 0xe6950024, 0, 16, 4, /* IPRJA3 */ { RSPI, 0, 0, 0 } }, - { 0xe6950028, 0, 16, 4, /* IPRKA3 */ { SPU2, 0, FSI, FMSI } }, - { 0xe695002c, 0, 16, 4, /* IPRLA3 */ { 0, HDMI_SSS, HDMI_KEY, 0 } }, - { 0xe6950030, 0, 16, 4, /* IPRMA3 */ { IPMMU, 0, 0, 0 } }, - { 0xe6950034, 0, 16, 4, /* IPRNA3 */ { AP_ARM2, 0, 0, 0 } }, - { 0xe6950038, 0, 16, 4, /* IPROA3 */ { MFIS2, CPORTR2S, - CMT14, CMT15 } }, - { 0xe695003c, 0, 16, 4, /* IPRPA3 */ { 0, MMCIF_0, MMCIF_1, MMCIF_2 } }, - /* IPRQA3 */ - /* IPRRA3 */ - { 0xe6950048, 0, 16, 4, /* IPRSA3 */ { SIM_ERI, SIM_RXI, - SIM_TXI, SIM_TEI } }, - { 0xe695004c, 0, 16, 4, /* IPRTA3 */ { STPRO_0, STPRO_1, - STPRO_2, STPRO_3 } }, - { 0xe6950050, 0, 16, 4, /* IPRUA3 */ { STPRO_4, 0, 0, 0 } }, -}; - -static DECLARE_INTC_DESC(intca_desc, "r8a7740-intca", - intca_vectors, intca_groups, - intca_mask_registers, intca_prio_registers, - NULL); - -INTC_IRQ_PINS_32(intca_irq_pins, 0xe6900000, - INTC_VECT, "r8a7740-intca-irq-pins"); - - -/* - * INTCS - */ -enum { - UNUSED_INTCS = 0, - - INTCS, - - /* interrupt sources INTCS */ - - /* HUDI */ - /* STPRO */ - /* RTDMAC(1) */ - VPU5HA2, - _2DG_TRAP, _2DG_GPM_INT, _2DG_CER_INT, - /* MFI */ - /* BBIF2 */ - VPU5F, - _2DG_BRK_INT, - /* SGX540 */ - /* 2DDMAC */ - /* IPMMU */ - /* RTDMAC 2 */ - /* KEYSC */ - /* MSIOF */ - IIC0_ALI, IIC0_TACKI, IIC0_WAITI, IIC0_DTEI, - TMU0_0, TMU0_1, TMU0_2, - CMT0, - /* CMT2 */ - LMB, - CTI, - VOU, - /* RWDT0 */ - ICB, - VIO6C, - CEU20, CEU21, - JPU, - LCDC0, - LCRC, - /* RTDMAC2(1) */ - /* RTDMAC2(2) */ - LCDC1, - /* SPU2 */ - /* FSI */ - /* FMSI */ - TMU1_0, TMU1_1, TMU1_2, - CMT4, - DISP, - DSRV, - /* MFIS2 */ - CPORTS2R, - - /* interrupt groups INTCS */ - _2DG1, - IIC0, TMU1, -}; - -static struct intc_vect intcs_vectors[] = { - /* HUDI */ - /* STPRO */ - /* RTDMAC(1) */ - INTCS_VECT(VPU5HA2, 0x0880), - INTCS_VECT(_2DG_TRAP, 0x08A0), - INTCS_VECT(_2DG_GPM_INT, 0x08C0), - INTCS_VECT(_2DG_CER_INT, 0x08E0), - /* MFI */ - /* BBIF2 */ - INTCS_VECT(VPU5F, 0x0980), - INTCS_VECT(_2DG_BRK_INT, 0x09A0), - /* SGX540 */ - /* 2DDMAC */ - /* IPMMU */ - /* RTDMAC(2) */ - /* KEYSC */ - /* MSIOF */ - INTCS_VECT(IIC0_ALI, 0x0E00), - INTCS_VECT(IIC0_TACKI, 0x0E20), - INTCS_VECT(IIC0_WAITI, 0x0E40), - INTCS_VECT(IIC0_DTEI, 0x0E60), - INTCS_VECT(TMU0_0, 0x0E80), - INTCS_VECT(TMU0_1, 0x0EA0), - INTCS_VECT(TMU0_2, 0x0EC0), - INTCS_VECT(CMT0, 0x0F00), - /* CMT2 */ - INTCS_VECT(LMB, 0x0F60), - INTCS_VECT(CTI, 0x0400), - INTCS_VECT(VOU, 0x0420), - /* RWDT0 */ - INTCS_VECT(ICB, 0x0480), - INTCS_VECT(VIO6C, 0x04E0), - INTCS_VECT(CEU20, 0x0500), - INTCS_VECT(CEU21, 0x0520), - INTCS_VECT(JPU, 0x0560), - INTCS_VECT(LCDC0, 0x0580), - INTCS_VECT(LCRC, 0x05A0), - /* RTDMAC2(1) */ - /* RTDMAC2(2) */ - INTCS_VECT(LCDC1, 0x1780), - /* SPU2 */ - /* FSI */ - /* FMSI */ - INTCS_VECT(TMU1_0, 0x1900), - INTCS_VECT(TMU1_1, 0x1920), - INTCS_VECT(TMU1_2, 0x1940), - INTCS_VECT(CMT4, 0x1980), - INTCS_VECT(DISP, 0x19A0), - INTCS_VECT(DSRV, 0x19C0), - /* MFIS2 */ - INTCS_VECT(CPORTS2R, 0x1A20), - - INTC_VECT(INTCS, 0xf80), -}; - -static struct intc_group intcs_groups[] __initdata = { - INTC_GROUP(_2DG1, /*FIXME*/ - _2DG_CER_INT, _2DG_GPM_INT, _2DG_TRAP), - INTC_GROUP(IIC0, - IIC0_DTEI, IIC0_WAITI, IIC0_TACKI, IIC0_ALI), - INTC_GROUP(TMU1, - TMU1_0, TMU1_1, TMU1_2), -}; - -static struct intc_mask_reg intcs_mask_registers[] = { - /* IMR0SA / IMCR0SA */ /* all 0 */ - { /* IMR1SA / IMCR1SA */ 0xffd20184, 0xffd201c4, 8, - { _2DG_CER_INT, _2DG_GPM_INT, _2DG_TRAP, VPU5HA2, - 0, 0, 0, 0 /*STPRO*/ } }, - { /* IMR2SA / IMCR2SA */ 0xffd20188, 0xffd201c8, 8, - { 0/*STPRO*/, 0, CEU21, VPU5F, - 0/*BBIF2*/, 0, 0, 0/*MFI*/ } }, - { /* IMR3SA / IMCR3SA */ 0xffd2018c, 0xffd201cc, 8, - { 0, 0, 0, 0, /*2DDMAC*/ - VIO6C, 0, 0, ICB } }, - { /* IMR4SA / IMCR4SA */ 0xffd20190, 0xffd201d0, 8, - { 0, 0, VOU, CTI, - JPU, 0, LCRC, LCDC0 } }, - /* IMR5SA / IMCR5SA */ /*KEYSC/RTDMAC2/RTDMAC1*/ - /* IMR6SA / IMCR6SA */ /*MSIOF/SGX540*/ - { /* IMR7SA / IMCR7SA */ 0xffd2019c, 0xffd201dc, 8, - { 0, TMU0_2, TMU0_1, TMU0_0, - 0, 0, 0, 0 } }, - { /* IMR8SA / IMCR8SA */ 0xffd201a0, 0xffd201e0, 8, - { 0, 0, 0, 0, - CEU20, 0, 0, 0 } }, - { /* IMR9SA / IMCR9SA */ 0xffd201a4, 0xffd201e4, 8, - { 0, 0/*RWDT0*/, 0/*CMT2*/, CMT0, - 0, 0, 0, 0 } }, - /* IMR10SA / IMCR10SA */ /*IPMMU*/ - { /* IMR11SA / IMCR11SA */ 0xffd201ac, 0xffd201ec, 8, - { IIC0_DTEI, IIC0_WAITI, IIC0_TACKI, IIC0_ALI, - 0, _2DG_BRK_INT, LMB, 0 } }, - /* IMR12SA / IMCR12SA */ - /* IMR13SA / IMCR13SA */ - /* IMR0SA3 / IMCR0SA3 */ /*RTDMAC2(1)/RTDMAC2(2)*/ - /* IMR1SA3 / IMCR1SA3 */ - /* IMR2SA3 / IMCR2SA3 */ - /* IMR3SA3 / IMCR3SA3 */ - { /* IMR4SA3 / IMCR4SA3 */ 0xffd50190, 0xffd501d0, 8, - { 0, 0, 0, 0, - LCDC1, 0, 0, 0 } }, - /* IMR5SA3 / IMCR5SA3 */ /* SPU2/FSI/FMSI */ - { /* IMR6SA3 / IMCR6SA3 */ 0xffd50198, 0xffd501d8, 8, - { TMU1_0, TMU1_1, TMU1_2, 0, - CMT4, DISP, DSRV, 0 } }, - { /* IMR7SA3 / IMCR7SA3 */ 0xffd5019c, 0xffd501dc, 8, - { 0/*MFIS2*/, CPORTS2R, 0, 0, - 0, 0, 0, 0 } }, - { /* INTAMASK */ 0xffd20104, 0, 16, - { 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, INTCS } }, -}; - -/* Priority is needed for INTCA to receive the INTCS interrupt */ -static struct intc_prio_reg intcs_prio_registers[] = { - { 0xffd20000, 0, 16, 4, /* IPRAS */ { CTI, VOU, 0/*2DDMAC*/, ICB } }, - { 0xffd20004, 0, 16, 4, /* IPRBS */ { JPU, LCDC0, 0, LCRC } }, - /* IPRCS */ /*BBIF2*/ - /* IPRDS */ - { 0xffd20010, 0, 16, 4, /* IPRES */ { 0/*RTDMAC(1)*/, VPU5HA2, - 0/*MFI*/, VPU5F } }, - { 0xffd20014, 0, 16, 4, /* IPRFS */ { 0/*KEYSC*/, 0/*RTDMAC(2)*/, - 0/*CMT2*/, CMT0 } }, - { 0xffd20018, 0, 16, 4, /* IPRGS */ { TMU0_0, TMU0_1, - TMU0_2, _2DG1 } }, - { 0xffd2001c, 0, 16, 4, /* IPRHS */ { 0, 0/*STPRO*/, 0/*STPRO*/, - _2DG_BRK_INT/*FIXME*/ } }, - { 0xffd20020, 0, 16, 4, /* IPRIS */ { 0, 0/*MSIOF*/, 0, IIC0 } }, - { 0xffd20024, 0, 16, 4, /* IPRJS */ { CEU20, 0/*SGX540*/, 0, 0 } }, - { 0xffd20028, 0, 16, 4, /* IPRKS */ { VIO6C, 0, LMB, 0 } }, - { 0xffd2002c, 0, 16, 4, /* IPRLS */ { 0/*IPMMU*/, 0, CEU21, 0 } }, - /* IPRMS */ /*RWDT0*/ - /* IPRAS3 */ /*RTDMAC2(1)*/ - /* IPRBS3 */ /*RTDMAC2(2)*/ - /* IPRCS3 */ - /* IPRDS3 */ - /* IPRES3 */ - /* IPRFS3 */ - /* IPRGS3 */ - /* IPRHS3 */ - /* IPRIS3 */ - { 0xffd50024, 0, 16, 4, /* IPRJS3 */ { LCDC1, 0, 0, 0 } }, - /* IPRKS3 */ /*SPU2/FSI/FMSi*/ - /* IPRLS3 */ - { 0xffd50030, 0, 16, 4, /* IPRMS3 */ { TMU1, 0, 0, 0 } }, - { 0xffd50034, 0, 16, 4, /* IPRNS3 */ { CMT4, DISP, DSRV, 0 } }, - { 0xffd50038, 0, 16, 4, /* IPROS3 */ { 0/*MFIS2*/, CPORTS2R, 0, 0 } }, - /* IPRPS3 */ -}; - -static struct resource intcs_resources[] __initdata = { - [0] = { - .start = 0xffd20000, - .end = 0xffd201ff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = 0xffd50000, - .end = 0xffd501ff, - .flags = IORESOURCE_MEM, - } -}; - -static struct intc_desc intcs_desc __initdata = { - .name = "r8a7740-intcs", - .resource = intcs_resources, - .num_resources = ARRAY_SIZE(intcs_resources), - .hw = INTC_HW_DESC(intcs_vectors, intcs_groups, intcs_mask_registers, - intcs_prio_registers, NULL, NULL), -}; - -static void intcs_demux(unsigned int irq, struct irq_desc *desc) -{ - void __iomem *reg = (void *)irq_get_handler_data(irq); - unsigned int evtcodeas = ioread32(reg); - - generic_handle_irq(intcs_evt2irq(evtcodeas)); -} +#include <linux/irqchip/arm-gic.h> void __init r8a7740_init_irq(void) { - void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE); - - register_intc_controller(&intca_desc); - register_intc_controller(&intca_irq_pins_desc); - register_intc_controller(&intcs_desc); - - /* demux using INTEVTSA */ - irq_set_handler_data(evt2irq(0xf80), (void *)intevtsa); - irq_set_chained_handler(evt2irq(0xf80), intcs_demux); + void __iomem *gic_dist_base = ioremap_nocache(0xc2800000, 0x1000); + void __iomem *gic_cpu_base = ioremap_nocache(0xc2000000, 0x1000); + void __iomem *intc_prio_base = ioremap_nocache(0xe6900010, 0x10); + void __iomem *intc_msk_base = ioremap_nocache(0xe6900040, 0x10); + void __iomem *pfc_inta_ctrl = ioremap_nocache(0xe605807c, 0x4); + + /* initialize the Generic Interrupt Controller PL390 r0p0 */ + gic_init(0, 29, gic_dist_base, gic_cpu_base); + + /* route signals to GIC */ + iowrite32(0x0, pfc_inta_ctrl); + + /* + * To mask the shared interrupt to SPI 149 we must ensure to set + * PRIO *and* MASK. Else we run into IRQ floods when registering + * the intc_irqpin devices + */ + iowrite32(0x0, intc_prio_base + 0x0); + iowrite32(0x0, intc_prio_base + 0x4); + iowrite32(0x0, intc_prio_base + 0x8); + iowrite32(0x0, intc_prio_base + 0xc); + iowrite8(0xff, intc_msk_base + 0x0); + iowrite8(0xff, intc_msk_base + 0x4); + iowrite8(0xff, intc_msk_base + 0x8); + iowrite8(0xff, intc_msk_base + 0xc); + + iounmap(intc_prio_base); + iounmap(intc_msk_base); + iounmap(pfc_inta_ctrl); } diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c index 8807c27f71f9..b86dc8908724 100644 --- a/arch/arm/mach-shmobile/intc-r8a7779.c +++ b/arch/arm/mach-shmobile/intc-r8a7779.c @@ -19,12 +19,16 @@ */ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> #include <linux/irqchip/arm-gic.h> +#include <linux/platform_data/irq-renesas-intc-irqpin.h> +#include <linux/irqchip.h> #include <mach/common.h> #include <mach/intc.h> +#include <mach/irqs.h> #include <mach/r8a7779.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -38,18 +42,61 @@ #define INT2NTSR0 IOMEM(0xfe700060) #define INT2NTSR1 IOMEM(0xfe700064) +static struct renesas_intc_irqpin_config irqpin0_platform_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ + .sense_bitfield_width = 2, +}; + +static struct resource irqpin0_resources[] = { + DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */ + DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */ + DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */ + DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */ + DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */ + DEFINE_RES_IRQ(gic_spi(27)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(28)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(29)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */ +}; + +static struct platform_device irqpin0_device = { + .name = "renesas_intc_irqpin", + .id = 0, + .resource = irqpin0_resources, + .num_resources = ARRAY_SIZE(irqpin0_resources), + .dev = { + .platform_data = &irqpin0_platform_data, + }, +}; + +void __init r8a7779_init_irq_extpin(int irlm) +{ + void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); + unsigned long tmp; + + if (icr0) { + tmp = ioread32(icr0); + if (irlm) + tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */ + else + tmp &= ~(1 << 23); /* IRL mode - not supported */ + tmp |= (1 << 21); /* LVLMODE = 1 */ + iowrite32(tmp, icr0); + iounmap(icr0); + + if (irlm) + platform_device_register(&irqpin0_device); + } else + pr_warn("r8a7779: unable to setup external irq pin mode\n"); +} + static int r8a7779_set_wake(struct irq_data *data, unsigned int on) { return 0; /* always allow wakeup */ } -void __init r8a7779_init_irq(void) +static void __init r8a7779_init_irq_common(void) { - void __iomem *gic_dist_base = IOMEM(0xf0001000); - void __iomem *gic_cpu_base = IOMEM(0xf0000100); - - /* use GIC to handle interrupts */ - gic_init(0, 29, gic_dist_base, gic_cpu_base); gic_arch_extn.irq_set_wake = r8a7779_set_wake; /* route all interrupts to ARM */ @@ -63,3 +110,22 @@ void __init r8a7779_init_irq(void) __raw_writel(0xbffffffc, INT2SMSKCR3); __raw_writel(0x003fee3f, INT2SMSKCR4); } + +void __init r8a7779_init_irq(void) +{ + void __iomem *gic_dist_base = IOMEM(0xf0001000); + void __iomem *gic_cpu_base = IOMEM(0xf0000100); + + /* use GIC to handle interrupts */ + gic_init(0, 29, gic_dist_base, gic_cpu_base); + + r8a7779_init_irq_common(); +} + +#ifdef CONFIG_OF +void __init r8a7779_init_irq_dt(void) +{ + irqchip_init(); + r8a7779_init_irq_common(); +} +#endif diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c index 91faba666d46..19a26f4579b3 100644 --- a/arch/arm/mach-shmobile/intc-sh73a0.c +++ b/arch/arm/mach-shmobile/intc-sh73a0.c @@ -260,108 +260,6 @@ static int sh73a0_set_wake(struct irq_data *data, unsigned int on) return 0; /* always allow wakeup */ } -#define RELOC_BASE 0x1200 - -/* INTCA IRQ pins at INTCS + RELOC_BASE to make space for GIC+INTC handling */ -#define INTCS_VECT_RELOC(n, vect) INTCS_VECT((n), (vect) + RELOC_BASE) - -INTC_IRQ_PINS_32(intca_irq_pins, 0xe6900000, - INTCS_VECT_RELOC, "sh73a0-intca-irq-pins"); - -static int to_gic_irq(struct irq_data *data) -{ - unsigned int vect = irq2evt(data->irq) - INTCS_VECT_BASE; - - if (vect >= 0x3200) - vect -= 0x3000; - else - vect -= 0x0200; - - return gic_spi((vect >> 5) + 1); -} - -static int to_intca_reloc_irq(struct irq_data *data) -{ - return data->irq + (RELOC_BASE >> 5); -} - -#define irq_cb(cb, irq) irq_get_chip(irq)->cb(irq_get_irq_data(irq)) -#define irq_cbp(cb, irq, p...) irq_get_chip(irq)->cb(irq_get_irq_data(irq), p) - -static void intca_gic_enable(struct irq_data *data) -{ - irq_cb(irq_unmask, to_intca_reloc_irq(data)); - irq_cb(irq_unmask, to_gic_irq(data)); -} - -static void intca_gic_disable(struct irq_data *data) -{ - irq_cb(irq_mask, to_gic_irq(data)); - irq_cb(irq_mask, to_intca_reloc_irq(data)); -} - -static void intca_gic_mask_ack(struct irq_data *data) -{ - irq_cb(irq_mask, to_gic_irq(data)); - irq_cb(irq_mask_ack, to_intca_reloc_irq(data)); -} - -static void intca_gic_eoi(struct irq_data *data) -{ - irq_cb(irq_eoi, to_gic_irq(data)); -} - -static int intca_gic_set_type(struct irq_data *data, unsigned int type) -{ - return irq_cbp(irq_set_type, to_intca_reloc_irq(data), type); -} - -#ifdef CONFIG_SMP -static int intca_gic_set_affinity(struct irq_data *data, - const struct cpumask *cpumask, - bool force) -{ - return irq_cbp(irq_set_affinity, to_gic_irq(data), cpumask, force); -} -#endif - -struct irq_chip intca_gic_irq_chip = { - .name = "INTCA-GIC", - .irq_mask = intca_gic_disable, - .irq_unmask = intca_gic_enable, - .irq_mask_ack = intca_gic_mask_ack, - .irq_eoi = intca_gic_eoi, - .irq_enable = intca_gic_enable, - .irq_disable = intca_gic_disable, - .irq_shutdown = intca_gic_disable, - .irq_set_type = intca_gic_set_type, - .irq_set_wake = sh73a0_set_wake, -#ifdef CONFIG_SMP - .irq_set_affinity = intca_gic_set_affinity, -#endif -}; - -static int to_intc_vect(int irq) -{ - unsigned int irq_pin = irq - gic_spi(1); - unsigned int offs; - - if (irq_pin < 16) - offs = 0x0200; - else - offs = 0x3000; - - return offs + (irq_pin << 5); -} - -static irqreturn_t sh73a0_irq_pin_demux(int irq, void *dev_id) -{ - generic_handle_irq(intcs_evt2irq(to_intc_vect(irq))); - return IRQ_HANDLED; -} - -static struct irqaction sh73a0_irq_pin_cascade[32]; - #define PINTER0_PHYS 0xe69000a0 #define PINTER1_PHYS 0xe69000a4 #define PINTER0_VIRT IOMEM(0xe69000a0) @@ -422,13 +320,11 @@ void __init sh73a0_init_irq(void) void __iomem *gic_dist_base = IOMEM(0xf0001000); void __iomem *gic_cpu_base = IOMEM(0xf0000100); void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE); - int k, n; gic_init(0, 29, gic_dist_base, gic_cpu_base); gic_arch_extn.irq_set_wake = sh73a0_set_wake; register_intc_controller(&intcs_desc); - register_intc_controller(&intca_irq_pins_desc); register_intc_controller(&intc_pint0_desc); register_intc_controller(&intc_pint1_desc); @@ -438,19 +334,6 @@ void __init sh73a0_init_irq(void) sh73a0_intcs_cascade.dev_id = intevtsa; setup_irq(gic_spi(50), &sh73a0_intcs_cascade); - /* IRQ pins require special handling through INTCA and GIC */ - for (k = 0; k < 32; k++) { - sh73a0_irq_pin_cascade[k].name = "INTCA-GIC cascade"; - sh73a0_irq_pin_cascade[k].handler = sh73a0_irq_pin_demux; - setup_irq(gic_spi(1 + k), &sh73a0_irq_pin_cascade[k]); - - n = intcs_evt2irq(to_intc_vect(gic_spi(1 + k))); - WARN_ON(irq_alloc_desc_at(n, numa_node_id()) != n); - irq_set_chip_and_handler_name(n, &intca_gic_irq_chip, - handle_level_irq, "level"); - set_irq_flags(n, IRQF_VALID); /* yuck */ - } - /* PINT pins are sanely tied to the GIC as SPI */ sh73a0_pint0_cascade.name = "PINT0 cascade"; sh73a0_pint0_cascade.handler = sh73a0_pint0_demux; @@ -460,11 +343,3 @@ void __init sh73a0_init_irq(void) sh73a0_pint1_cascade.handler = sh73a0_pint1_demux; setup_irq(gic_spi(34), &sh73a0_pint1_cascade); } - -#ifdef CONFIG_OF -void __init sh73a0_init_irq_dt(void) -{ - irqchip_init(); - gic_arch_extn.irq_set_wake = sh73a0_set_wake; -} -#endif diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c index 47662a581c0a..e4545c152722 100644 --- a/arch/arm/mach-shmobile/setup-emev2.c +++ b/arch/arm/mach-shmobile/setup-emev2.c @@ -404,7 +404,7 @@ void __init emev2_add_standard_devices(void) ARRAY_SIZE(emev2_late_devices)); } -void __init emev2_init_delay(void) +static void __init emev2_init_delay(void) { shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */ } @@ -439,7 +439,7 @@ static const struct of_dev_auxdata emev2_auxdata_lookup[] __initconst = { { } }; -void __init emev2_add_standard_devices_dt(void) +static void __init emev2_add_standard_devices_dt(void) { of_platform_populate(NULL, of_default_bus_match_table, emev2_auxdata_lookup, NULL); diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c new file mode 100644 index 000000000000..c5a75a7a508f --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -0,0 +1,202 @@ +/* + * r8a73a4 processor support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/platform_data/irq-renesas-irqc.h> +#include <linux/serial_sci.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r8a73a4.h> +#include <asm/mach/arch.h> + +static const struct resource pfc_resources[] = { + DEFINE_RES_MEM(0xe6050000, 0x9000), +}; + +void __init r8a73a4_pinmux_init(void) +{ + platform_device_register_simple("pfc-r8a73a4", -1, pfc_resources, + ARRAY_SIZE(pfc_resources)); +} + +#define SCIF_COMMON(scif_type, baseaddr, irq) \ + .type = scif_type, \ + .mapbase = baseaddr, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .irqs = SCIx_IRQ_MUXED(irq) + +#define SCIFA_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFA, baseaddr, irq), \ + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \ +} + +#define SCIFB_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFB3 }; + +static const struct plat_sci_port scif[] = { + SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ + SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ + SCIFB_DATA(SCIFB0, 0xe6c50000, gic_spi(145)), /* SCIFB0 */ + SCIFB_DATA(SCIFB1, 0xe6c30000, gic_spi(149)), /* SCIFB1 */ + SCIFB_DATA(SCIFB2, 0xe6ce0000, gic_spi(150)), /* SCIFB2 */ + SCIFB_DATA(SCIFB3, 0xe6cf0000, gic_spi(151)), /* SCIFB3 */ +}; + +static inline void r8a73a4_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +static const struct renesas_irqc_config irqc0_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ31 */ +}; + +static const struct resource irqc0_resources[] = { + DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ + DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ + DEFINE_RES_IRQ(gic_spi(4)), /* IRQ4 */ + DEFINE_RES_IRQ(gic_spi(5)), /* IRQ5 */ + DEFINE_RES_IRQ(gic_spi(6)), /* IRQ6 */ + DEFINE_RES_IRQ(gic_spi(7)), /* IRQ7 */ + DEFINE_RES_IRQ(gic_spi(8)), /* IRQ8 */ + DEFINE_RES_IRQ(gic_spi(9)), /* IRQ9 */ + DEFINE_RES_IRQ(gic_spi(10)), /* IRQ10 */ + DEFINE_RES_IRQ(gic_spi(11)), /* IRQ11 */ + DEFINE_RES_IRQ(gic_spi(12)), /* IRQ12 */ + DEFINE_RES_IRQ(gic_spi(13)), /* IRQ13 */ + DEFINE_RES_IRQ(gic_spi(14)), /* IRQ14 */ + DEFINE_RES_IRQ(gic_spi(15)), /* IRQ15 */ + DEFINE_RES_IRQ(gic_spi(16)), /* IRQ16 */ + DEFINE_RES_IRQ(gic_spi(17)), /* IRQ17 */ + DEFINE_RES_IRQ(gic_spi(18)), /* IRQ18 */ + DEFINE_RES_IRQ(gic_spi(19)), /* IRQ19 */ + DEFINE_RES_IRQ(gic_spi(20)), /* IRQ20 */ + DEFINE_RES_IRQ(gic_spi(21)), /* IRQ21 */ + DEFINE_RES_IRQ(gic_spi(22)), /* IRQ22 */ + DEFINE_RES_IRQ(gic_spi(23)), /* IRQ23 */ + DEFINE_RES_IRQ(gic_spi(24)), /* IRQ24 */ + DEFINE_RES_IRQ(gic_spi(25)), /* IRQ25 */ + DEFINE_RES_IRQ(gic_spi(26)), /* IRQ26 */ + DEFINE_RES_IRQ(gic_spi(27)), /* IRQ27 */ + DEFINE_RES_IRQ(gic_spi(28)), /* IRQ28 */ + DEFINE_RES_IRQ(gic_spi(29)), /* IRQ29 */ + DEFINE_RES_IRQ(gic_spi(30)), /* IRQ30 */ + DEFINE_RES_IRQ(gic_spi(31)), /* IRQ31 */ +}; + +static const struct renesas_irqc_config irqc1_data = { + .irq_base = irq_pin(32), /* IRQ32 -> IRQ57 */ +}; + +static const struct resource irqc1_resources[] = { + DEFINE_RES_MEM(0xe61c0200, 0x200), /* IRQC Event Detector Block_1 */ + DEFINE_RES_IRQ(gic_spi(32)), /* IRQ32 */ + DEFINE_RES_IRQ(gic_spi(33)), /* IRQ33 */ + DEFINE_RES_IRQ(gic_spi(34)), /* IRQ34 */ + DEFINE_RES_IRQ(gic_spi(35)), /* IRQ35 */ + DEFINE_RES_IRQ(gic_spi(36)), /* IRQ36 */ + DEFINE_RES_IRQ(gic_spi(37)), /* IRQ37 */ + DEFINE_RES_IRQ(gic_spi(38)), /* IRQ38 */ + DEFINE_RES_IRQ(gic_spi(39)), /* IRQ39 */ + DEFINE_RES_IRQ(gic_spi(40)), /* IRQ40 */ + DEFINE_RES_IRQ(gic_spi(41)), /* IRQ41 */ + DEFINE_RES_IRQ(gic_spi(42)), /* IRQ42 */ + DEFINE_RES_IRQ(gic_spi(43)), /* IRQ43 */ + DEFINE_RES_IRQ(gic_spi(44)), /* IRQ44 */ + DEFINE_RES_IRQ(gic_spi(45)), /* IRQ45 */ + DEFINE_RES_IRQ(gic_spi(46)), /* IRQ46 */ + DEFINE_RES_IRQ(gic_spi(47)), /* IRQ47 */ + DEFINE_RES_IRQ(gic_spi(48)), /* IRQ48 */ + DEFINE_RES_IRQ(gic_spi(49)), /* IRQ49 */ + DEFINE_RES_IRQ(gic_spi(50)), /* IRQ50 */ + DEFINE_RES_IRQ(gic_spi(51)), /* IRQ51 */ + DEFINE_RES_IRQ(gic_spi(52)), /* IRQ52 */ + DEFINE_RES_IRQ(gic_spi(53)), /* IRQ53 */ + DEFINE_RES_IRQ(gic_spi(54)), /* IRQ54 */ + DEFINE_RES_IRQ(gic_spi(55)), /* IRQ55 */ + DEFINE_RES_IRQ(gic_spi(56)), /* IRQ56 */ + DEFINE_RES_IRQ(gic_spi(57)), /* IRQ57 */ +}; + +#define r8a73a4_register_irqc(idx) \ + platform_device_register_resndata(&platform_bus, "renesas_irqc", \ + idx, irqc##idx##_resources, \ + ARRAY_SIZE(irqc##idx##_resources), \ + &irqc##idx##_data, \ + sizeof(struct renesas_irqc_config)) + +/* Thermal0 -> Thermal2 */ +static const struct resource thermal0_resources[] = { + DEFINE_RES_MEM(0xe61f0000, 0x14), + DEFINE_RES_MEM(0xe61f0100, 0x38), + DEFINE_RES_MEM(0xe61f0200, 0x38), + DEFINE_RES_MEM(0xe61f0300, 0x38), + DEFINE_RES_IRQ(gic_spi(69)), +}; + +#define r8a73a4_register_thermal() \ + platform_device_register_simple("rcar_thermal", -1, \ + thermal0_resources, \ + ARRAY_SIZE(thermal0_resources)) + +void __init r8a73a4_add_standard_devices(void) +{ + r8a73a4_register_scif(SCIFA0); + r8a73a4_register_scif(SCIFA1); + r8a73a4_register_scif(SCIFB0); + r8a73a4_register_scif(SCIFB1); + r8a73a4_register_scif(SCIFB2); + r8a73a4_register_scif(SCIFB3); + r8a73a4_register_irqc(0); + r8a73a4_register_irqc(1); + r8a73a4_register_thermal(); +} + +#ifdef CONFIG_USE_OF +void __init r8a73a4_add_standard_devices_dt(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static const char *r8a73a4_boards_compat_dt[] __initdata = { + "renesas,r8a73a4", + NULL, +}; + +DT_MACHINE_START(R8A73A4_DT, "Generic R8A73A4 (Flattened Device Tree)") + .init_irq = irqchip_init, + .init_machine = r8a73a4_add_standard_devices_dt, + .init_time = shmobile_timer_init, + .dt_compat = r8a73a4_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index 8b85d4d8fab6..228d7aba4a7c 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -22,6 +22,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> #include <linux/of_platform.h> #include <linux/serial_sci.h> @@ -94,6 +95,126 @@ void __init r8a7740_pinmux_init(void) platform_device_register(&r8a7740_pfc_device); } +static struct renesas_intc_irqpin_config irqpin0_platform_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */ +}; + +static struct resource irqpin0_resources[] = { + DEFINE_RES_MEM(0xe6900000, 4), /* ICR1A */ + DEFINE_RES_MEM(0xe6900010, 4), /* INTPRI00A */ + DEFINE_RES_MEM(0xe6900020, 1), /* INTREQ00A */ + DEFINE_RES_MEM(0xe6900040, 1), /* INTMSK00A */ + DEFINE_RES_MEM(0xe6900060, 1), /* INTMSKCLR00A */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ3 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ4 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ5 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ6 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ7 */ +}; + +static struct platform_device irqpin0_device = { + .name = "renesas_intc_irqpin", + .id = 0, + .resource = irqpin0_resources, + .num_resources = ARRAY_SIZE(irqpin0_resources), + .dev = { + .platform_data = &irqpin0_platform_data, + }, +}; + +static struct renesas_intc_irqpin_config irqpin1_platform_data = { + .irq_base = irq_pin(8), /* IRQ8 -> IRQ15 */ +}; + +static struct resource irqpin1_resources[] = { + DEFINE_RES_MEM(0xe6900004, 4), /* ICR2A */ + DEFINE_RES_MEM(0xe6900014, 4), /* INTPRI10A */ + DEFINE_RES_MEM(0xe6900024, 1), /* INTREQ10A */ + DEFINE_RES_MEM(0xe6900044, 1), /* INTMSK10A */ + DEFINE_RES_MEM(0xe6900064, 1), /* INTMSKCLR10A */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ8 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ9 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ10 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ11 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ12 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ13 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ14 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ15 */ +}; + +static struct platform_device irqpin1_device = { + .name = "renesas_intc_irqpin", + .id = 1, + .resource = irqpin1_resources, + .num_resources = ARRAY_SIZE(irqpin1_resources), + .dev = { + .platform_data = &irqpin1_platform_data, + }, +}; + +static struct renesas_intc_irqpin_config irqpin2_platform_data = { + .irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */ +}; + +static struct resource irqpin2_resources[] = { + DEFINE_RES_MEM(0xe6900008, 4), /* ICR3A */ + DEFINE_RES_MEM(0xe6900018, 4), /* INTPRI30A */ + DEFINE_RES_MEM(0xe6900028, 1), /* INTREQ30A */ + DEFINE_RES_MEM(0xe6900048, 1), /* INTMSK30A */ + DEFINE_RES_MEM(0xe6900068, 1), /* INTMSKCLR30A */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ16 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ17 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ18 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ19 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ20 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ21 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ22 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ23 */ +}; + +static struct platform_device irqpin2_device = { + .name = "renesas_intc_irqpin", + .id = 2, + .resource = irqpin2_resources, + .num_resources = ARRAY_SIZE(irqpin2_resources), + .dev = { + .platform_data = &irqpin2_platform_data, + }, +}; + +static struct renesas_intc_irqpin_config irqpin3_platform_data = { + .irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */ +}; + +static struct resource irqpin3_resources[] = { + DEFINE_RES_MEM(0xe690000c, 4), /* ICR3A */ + DEFINE_RES_MEM(0xe690001c, 4), /* INTPRI30A */ + DEFINE_RES_MEM(0xe690002c, 1), /* INTREQ30A */ + DEFINE_RES_MEM(0xe690004c, 1), /* INTMSK30A */ + DEFINE_RES_MEM(0xe690006c, 1), /* INTMSKCLR30A */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ24 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ25 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ26 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ27 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ28 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ29 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ30 */ + DEFINE_RES_IRQ(gic_spi(149)), /* IRQ31 */ +}; + +static struct platform_device irqpin3_device = { + .name = "renesas_intc_irqpin", + .id = 3, + .resource = irqpin3_resources, + .num_resources = ARRAY_SIZE(irqpin3_resources), + .dev = { + .platform_data = &irqpin3_platform_data, + }, +}; + /* SCIFA0 */ static struct plat_sci_port scif0_platform_data = { .mapbase = 0xe6c40000, @@ -101,7 +222,7 @@ static struct plat_sci_port scif0_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c00)), + .irqs = SCIx_IRQ_MUXED(gic_spi(100)), }; static struct platform_device scif0_device = { @@ -119,7 +240,7 @@ static struct plat_sci_port scif1_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c20)), + .irqs = SCIx_IRQ_MUXED(gic_spi(101)), }; static struct platform_device scif1_device = { @@ -137,7 +258,7 @@ static struct plat_sci_port scif2_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c40)), + .irqs = SCIx_IRQ_MUXED(gic_spi(102)), }; static struct platform_device scif2_device = { @@ -155,7 +276,7 @@ static struct plat_sci_port scif3_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0c60)), + .irqs = SCIx_IRQ_MUXED(gic_spi(103)), }; static struct platform_device scif3_device = { @@ -173,7 +294,7 @@ static struct plat_sci_port scif4_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0d20)), + .irqs = SCIx_IRQ_MUXED(gic_spi(104)), }; static struct platform_device scif4_device = { @@ -191,7 +312,7 @@ static struct plat_sci_port scif5_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0d40)), + .irqs = SCIx_IRQ_MUXED(gic_spi(105)), }; static struct platform_device scif5_device = { @@ -209,7 +330,7 @@ static struct plat_sci_port scif6_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x04c0)), + .irqs = SCIx_IRQ_MUXED(gic_spi(106)), }; static struct platform_device scif6_device = { @@ -227,7 +348,7 @@ static struct plat_sci_port scif7_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFA, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x04e0)), + .irqs = SCIx_IRQ_MUXED(gic_spi(107)), }; static struct platform_device scif7_device = { @@ -245,7 +366,7 @@ static struct plat_sci_port scifb_platform_data = { .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, .type = PORT_SCIFB, - .irqs = SCIx_IRQ_MUXED(evt2irq(0x0d60)), + .irqs = SCIx_IRQ_MUXED(gic_spi(108)), }; static struct platform_device scifb_device = { @@ -273,7 +394,7 @@ static struct resource cmt10_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0b00), + .start = gic_spi(58), .flags = IORESOURCE_IRQ, }, }; @@ -304,7 +425,7 @@ static struct resource tmu00_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0xe80), + .start = gic_spi(198), .flags = IORESOURCE_IRQ, }, }; @@ -334,7 +455,7 @@ static struct resource tmu01_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0xea0), + .start = gic_spi(199), .flags = IORESOURCE_IRQ, }, }; @@ -364,7 +485,7 @@ static struct resource tmu02_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0xec0), + .start = gic_spi(200), .flags = IORESOURCE_IRQ, }, }; @@ -411,6 +532,10 @@ static struct platform_device ipmmu_device = { }; static struct platform_device *r8a7740_early_devices[] __initdata = { + &irqpin0_device, + &irqpin1_device, + &irqpin2_device, + &irqpin3_device, &scif0_device, &scif1_device, &scif2_device, @@ -525,14 +650,14 @@ static struct resource r8a7740_dmae0_resources[] = { }, { .name = "error_irq", - .start = evt2irq(0x20c0), - .end = evt2irq(0x20c0), + .start = gic_spi(34), + .end = gic_spi(34), .flags = IORESOURCE_IRQ, }, { /* IRQ for channels 0-5 */ - .start = evt2irq(0x2000), - .end = evt2irq(0x20a0), + .start = gic_spi(28), + .end = gic_spi(33), .flags = IORESOURCE_IRQ, }, }; @@ -553,14 +678,14 @@ static struct resource r8a7740_dmae1_resources[] = { }, { .name = "error_irq", - .start = evt2irq(0x21c0), - .end = evt2irq(0x21c0), + .start = gic_spi(41), + .end = gic_spi(41), .flags = IORESOURCE_IRQ, }, { /* IRQ for channels 0-5 */ - .start = evt2irq(0x2100), - .end = evt2irq(0x21a0), + .start = gic_spi(35), + .end = gic_spi(40), .flags = IORESOURCE_IRQ, }, }; @@ -581,14 +706,14 @@ static struct resource r8a7740_dmae2_resources[] = { }, { .name = "error_irq", - .start = evt2irq(0x22c0), - .end = evt2irq(0x22c0), + .start = gic_spi(48), + .end = gic_spi(48), .flags = IORESOURCE_IRQ, }, { /* IRQ for channels 0-5 */ - .start = evt2irq(0x2200), - .end = evt2irq(0x22a0), + .start = gic_spi(42), + .end = gic_spi(47), .flags = IORESOURCE_IRQ, }, }; @@ -677,8 +802,8 @@ static struct resource r8a7740_usb_dma_resources[] = { }, { /* IRQ for channels */ - .start = evt2irq(0x0a00), - .end = evt2irq(0x0a00), + .start = gic_spi(49), + .end = gic_spi(49), .flags = IORESOURCE_IRQ, }, }; @@ -702,8 +827,8 @@ static struct resource i2c0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = intcs_evt2irq(0xe00), - .end = intcs_evt2irq(0xe60), + .start = gic_spi(201), + .end = gic_spi(204), .flags = IORESOURCE_IRQ, }, }; @@ -716,8 +841,8 @@ static struct resource i2c1_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x780), /* IIC1_ALI1 */ - .end = evt2irq(0x7e0), /* IIC1_DTEI1 */ + .start = gic_spi(70), /* IIC1_ALI1 */ + .end = gic_spi(73), /* IIC1_DTEI1 */ .flags = IORESOURCE_IRQ, }, }; @@ -738,8 +863,8 @@ static struct platform_device i2c1_device = { static struct resource pmu_resources[] = { [0] = { - .start = evt2irq(0x19a0), - .end = evt2irq(0x19a0), + .start = gic_spi(83), + .end = gic_spi(83), .flags = IORESOURCE_IRQ, }, }; @@ -904,7 +1029,6 @@ DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)") .map_io = r8a7740_map_io, .init_early = r8a7740_add_early_devices_dt, .init_irq = r8a7740_init_irq, - .handle_irq = shmobile_handle_irq_intc, .init_machine = r8a7740_add_standard_devices_dt, .init_time = shmobile_timer_init, .dt_compat = r8a7740_boards_compat_dt, diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c new file mode 100644 index 000000000000..01c62bedf9cf --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -0,0 +1,193 @@ +/* + * r8a7778 processor support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/irqchip/arm-gic.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/irqchip.h> +#include <linux/serial_sci.h> +#include <linux/sh_timer.h> +#include <mach/irqs.h> +#include <mach/r8a7778.h> +#include <mach/common.h> +#include <asm/mach/arch.h> +#include <asm/hardware/cache-l2x0.h> + +/* SCIF */ +#define SCIF_INFO(baseaddr, irq) \ +{ \ + .mapbase = baseaddr, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .type = PORT_SCIF, \ + .irqs = SCIx_IRQ_MUXED(irq), \ +} + +static struct plat_sci_port scif_platform_data[] = { + SCIF_INFO(0xffe40000, gic_iid(0x66)), + SCIF_INFO(0xffe41000, gic_iid(0x67)), + SCIF_INFO(0xffe42000, gic_iid(0x68)), + SCIF_INFO(0xffe43000, gic_iid(0x69)), + SCIF_INFO(0xffe44000, gic_iid(0x6a)), + SCIF_INFO(0xffe45000, gic_iid(0x6b)), +}; + +/* TMU */ +static struct resource sh_tmu0_resources[] = { + DEFINE_RES_MEM(0xffd80008, 12), + DEFINE_RES_IRQ(gic_iid(0x40)), +}; + +static struct sh_timer_config sh_tmu0_platform_data = { + .name = "TMU00", + .channel_offset = 0x4, + .timer_bit = 0, + .clockevent_rating = 200, +}; + +static struct resource sh_tmu1_resources[] = { + DEFINE_RES_MEM(0xffd80014, 12), + DEFINE_RES_IRQ(gic_iid(0x41)), +}; + +static struct sh_timer_config sh_tmu1_platform_data = { + .name = "TMU01", + .channel_offset = 0x10, + .timer_bit = 1, + .clocksource_rating = 200, +}; + +#define PLATFORM_INFO(n, i) \ +{ \ + .parent = &platform_bus, \ + .name = #n, \ + .id = i, \ + .res = n ## i ## _resources, \ + .num_res = ARRAY_SIZE(n ## i ##_resources), \ + .data = &n ## i ##_platform_data, \ + .size_data = sizeof(n ## i ## _platform_data), \ +} + +struct platform_device_info platform_devinfo[] = { + PLATFORM_INFO(sh_tmu, 0), + PLATFORM_INFO(sh_tmu, 1), +}; + +void __init r8a7778_add_standard_devices(void) +{ + int i; + +#ifdef CONFIG_CACHE_L2X0 + void __iomem *base = ioremap_nocache(0xf0100000, 0x1000); + if (base) { + /* + * Early BRESP enable, Shared attribute override enable, 64K*16way + * don't call iounmap(base) + */ + l2x0_init(base, 0x40470000, 0x82000fff); + } +#endif + + for (i = 0; i < ARRAY_SIZE(scif_platform_data); i++) + platform_device_register_data(&platform_bus, "sh-sci", i, + &scif_platform_data[i], + sizeof(struct plat_sci_port)); + + for (i = 0; i < ARRAY_SIZE(platform_devinfo); i++) + platform_device_register_full(&platform_devinfo[i]); +} + +#define INT2SMSKCR0 0x82288 /* 0xfe782288 */ +#define INT2SMSKCR1 0x8228c /* 0xfe78228c */ + +#define INT2NTSR0 0x00018 /* 0xfe700018 */ +#define INT2NTSR1 0x0002c /* 0xfe70002c */ +static void __init r8a7778_init_irq_common(void) +{ + void __iomem *base = ioremap_nocache(0xfe700000, 0x00100000); + + BUG_ON(!base); + + /* route all interrupts to ARM */ + __raw_writel(0x73ffffff, base + INT2NTSR0); + __raw_writel(0xffffffff, base + INT2NTSR1); + + /* unmask all known interrupts in INTCS2 */ + __raw_writel(0x08330773, base + INT2SMSKCR0); + __raw_writel(0x00311110, base + INT2SMSKCR1); + + iounmap(base); +} + +void __init r8a7778_init_irq(void) +{ + void __iomem *gic_dist_base; + void __iomem *gic_cpu_base; + + gic_dist_base = ioremap_nocache(0xfe438000, PAGE_SIZE); + gic_cpu_base = ioremap_nocache(0xfe430000, PAGE_SIZE); + BUG_ON(!gic_dist_base || !gic_cpu_base); + + /* use GIC to handle interrupts */ + gic_init(0, 29, gic_dist_base, gic_cpu_base); + + r8a7778_init_irq_common(); +} + +void __init r8a7778_init_delay(void) +{ + shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */ +} + +#ifdef CONFIG_USE_OF +void __init r8a7778_init_irq_dt(void) +{ + irqchip_init(); + r8a7778_init_irq_common(); +} + +static const struct of_dev_auxdata r8a7778_auxdata_lookup[] __initconst = { + {}, +}; + +void __init r8a7778_add_standard_devices_dt(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + r8a7778_auxdata_lookup, NULL); +} + +static const char *r8a7778_compat_dt[] __initdata = { + "renesas,r8a7778", + NULL, +}; + +DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)") + .init_early = r8a7778_init_delay, + .init_irq = r8a7778_init_irq_dt, + .init_machine = r8a7778_add_standard_devices_dt, + .init_time = shmobile_timer_init, + .dt_compat = r8a7778_compat_dt, +MACHINE_END + +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index c54ff9b29fe5..042df35e71a0 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -21,6 +21,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/input.h> @@ -28,6 +29,7 @@ #include <linux/serial_sci.h> #include <linux/sh_intc.h> #include <linux/sh_timer.h> +#include <linux/dma-mapping.h> #include <mach/hardware.h> #include <mach/irqs.h> #include <mach/r8a7779.h> @@ -91,7 +93,7 @@ static struct plat_sci_port scif0_platform_data = { .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, .scbrr_algo_id = SCBRR_ALGO_2, .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_spi(88)), + .irqs = SCIx_IRQ_MUXED(gic_iid(0x78)), }; static struct platform_device scif0_device = { @@ -108,7 +110,7 @@ static struct plat_sci_port scif1_platform_data = { .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, .scbrr_algo_id = SCBRR_ALGO_2, .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_spi(89)), + .irqs = SCIx_IRQ_MUXED(gic_iid(0x79)), }; static struct platform_device scif1_device = { @@ -125,7 +127,7 @@ static struct plat_sci_port scif2_platform_data = { .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, .scbrr_algo_id = SCBRR_ALGO_2, .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_spi(90)), + .irqs = SCIx_IRQ_MUXED(gic_iid(0x7a)), }; static struct platform_device scif2_device = { @@ -142,7 +144,7 @@ static struct plat_sci_port scif3_platform_data = { .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, .scbrr_algo_id = SCBRR_ALGO_2, .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_spi(91)), + .irqs = SCIx_IRQ_MUXED(gic_iid(0x7b)), }; static struct platform_device scif3_device = { @@ -159,7 +161,7 @@ static struct plat_sci_port scif4_platform_data = { .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, .scbrr_algo_id = SCBRR_ALGO_2, .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_spi(92)), + .irqs = SCIx_IRQ_MUXED(gic_iid(0x7c)), }; static struct platform_device scif4_device = { @@ -176,7 +178,7 @@ static struct plat_sci_port scif5_platform_data = { .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, .scbrr_algo_id = SCBRR_ALGO_2, .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_spi(93)), + .irqs = SCIx_IRQ_MUXED(gic_iid(0x7d)), }; static struct platform_device scif5_device = { @@ -203,7 +205,7 @@ static struct resource tmu00_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = gic_spi(32), + .start = gic_iid(0x40), .flags = IORESOURCE_IRQ, }, }; @@ -233,7 +235,7 @@ static struct resource tmu01_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = gic_spi(33), + .start = gic_iid(0x41), .flags = IORESOURCE_IRQ, }, }; @@ -255,7 +257,7 @@ static struct resource rcar_i2c0_res[] = { .end = 0xffc70fff, .flags = IORESOURCE_MEM, }, { - .start = gic_spi(79), + .start = gic_iid(0x6f), .flags = IORESOURCE_IRQ, }, }; @@ -273,7 +275,7 @@ static struct resource rcar_i2c1_res[] = { .end = 0xffc71fff, .flags = IORESOURCE_MEM, }, { - .start = gic_spi(82), + .start = gic_iid(0x72), .flags = IORESOURCE_IRQ, }, }; @@ -291,7 +293,7 @@ static struct resource rcar_i2c2_res[] = { .end = 0xffc72fff, .flags = IORESOURCE_MEM, }, { - .start = gic_spi(80), + .start = gic_iid(0x70), .flags = IORESOURCE_IRQ, }, }; @@ -309,7 +311,7 @@ static struct resource rcar_i2c3_res[] = { .end = 0xffc73fff, .flags = IORESOURCE_MEM, }, { - .start = gic_spi(81), + .start = gic_iid(0x71), .flags = IORESOURCE_IRQ, }, }; @@ -321,7 +323,31 @@ static struct platform_device i2c3_device = { .num_resources = ARRAY_SIZE(rcar_i2c3_res), }; -static struct platform_device *r8a7779_early_devices[] __initdata = { +static struct resource sata_resources[] = { + [0] = { + .name = "rcar-sata", + .start = 0xfc600000, + .end = 0xfc601fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_iid(0x84), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sata_device = { + .name = "sata_rcar", + .id = -1, + .resource = sata_resources, + .num_resources = ARRAY_SIZE(sata_resources), + .dev = { + .dma_mask = &sata_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct platform_device *r8a7779_devices_dt[] __initdata = { &scif0_device, &scif1_device, &scif2_device, @@ -330,13 +356,14 @@ static struct platform_device *r8a7779_early_devices[] __initdata = { &scif5_device, &tmu00_device, &tmu01_device, +}; + +static struct platform_device *r8a7779_late_devices[] __initdata = { &i2c0_device, &i2c1_device, &i2c2_device, &i2c3_device, -}; - -static struct platform_device *r8a7779_late_devices[] __initdata = { + &sata_device, }; void __init r8a7779_add_standard_devices(void) @@ -349,8 +376,8 @@ void __init r8a7779_add_standard_devices(void) r8a7779_init_pm_domains(); - platform_add_devices(r8a7779_early_devices, - ARRAY_SIZE(r8a7779_early_devices)); + platform_add_devices(r8a7779_devices_dt, + ARRAY_SIZE(r8a7779_devices_dt)); platform_add_devices(r8a7779_late_devices, ARRAY_SIZE(r8a7779_late_devices)); } @@ -367,8 +394,8 @@ void __init r8a7779_earlytimer_init(void) void __init r8a7779_add_early_devices(void) { - early_platform_add_devices(r8a7779_early_devices, - ARRAY_SIZE(r8a7779_early_devices)); + early_platform_add_devices(r8a7779_devices_dt, + ARRAY_SIZE(r8a7779_devices_dt)); /* Early serial console setup is not included here due to * memory map collisions. The SCIF serial ports in r8a7779 @@ -386,3 +413,40 @@ void __init r8a7779_add_early_devices(void) * command line in case of the marzen board. */ } + +#ifdef CONFIG_USE_OF +void __init r8a7779_init_delay(void) +{ + shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */ +} + +static const struct of_dev_auxdata r8a7779_auxdata_lookup[] __initconst = { + {}, +}; + +void __init r8a7779_add_standard_devices_dt(void) +{ + /* clocks are setup late during boot in the case of DT */ + r8a7779_clock_init(); + + platform_add_devices(r8a7779_devices_dt, + ARRAY_SIZE(r8a7779_devices_dt)); + of_platform_populate(NULL, of_default_bus_match_table, + r8a7779_auxdata_lookup, NULL); +} + +static const char *r8a7779_compat_dt[] __initdata = { + "renesas,r8a7779", + NULL, +}; + +DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)") + .map_io = r8a7779_map_io, + .init_early = r8a7779_init_delay, + .nr_irqs = NR_IRQS_LEGACY, + .init_irq = r8a7779_init_irq_dt, + .init_machine = r8a7779_add_standard_devices_dt, + .init_time = shmobile_timer_init, + .dt_compat = r8a7779_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c new file mode 100644 index 000000000000..481201a4f3f5 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -0,0 +1,137 @@ +/* + * r8a7790 processor support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/serial_sci.h> +#include <linux/platform_data/irq-renesas-irqc.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r8a7790.h> +#include <asm/mach/arch.h> + +static const struct resource pfc_resources[] = { + DEFINE_RES_MEM(0xe6060000, 0x250), +}; + +void __init r8a7790_pinmux_init(void) +{ + platform_device_register_simple("pfc-r8a7790", -1, pfc_resources, + ARRAY_SIZE(pfc_resources)); +} + +#define SCIF_COMMON(scif_type, baseaddr, irq) \ + .type = scif_type, \ + .mapbase = baseaddr, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .irqs = SCIx_IRQ_MUXED(irq) + +#define SCIFA_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFA, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \ +} + +#define SCIFB_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, \ +} + +enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1 }; + +static const struct plat_sci_port scif[] = { + SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ + SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ + SCIFB_DATA(SCIFB0, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ + SCIFB_DATA(SCIFB1, 0xe6c30000, gic_spi(149)), /* SCIFB1 */ + SCIFB_DATA(SCIFB2, 0xe6ce0000, gic_spi(150)), /* SCIFB2 */ + SCIFA_DATA(SCIFA2, 0xe6c60000, gic_spi(151)), /* SCIFA2 */ + SCIF_DATA(SCIF0, 0xe6e60000, gic_spi(152)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe6e68000, gic_spi(153)), /* SCIF1 */ +}; + +static inline void r8a7790_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +static struct renesas_irqc_config irqc0_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ +}; + +static struct resource irqc0_resources[] = { + DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ + DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ +}; + +#define r8a7790_register_irqc(idx) \ + platform_device_register_resndata(&platform_bus, "renesas_irqc", \ + idx, irqc##idx##_resources, \ + ARRAY_SIZE(irqc##idx##_resources), \ + &irqc##idx##_data, \ + sizeof(struct renesas_irqc_config)) + +void __init r8a7790_add_standard_devices(void) +{ + r8a7790_register_scif(SCIFA0); + r8a7790_register_scif(SCIFA1); + r8a7790_register_scif(SCIFB0); + r8a7790_register_scif(SCIFB1); + r8a7790_register_scif(SCIFB2); + r8a7790_register_scif(SCIFA2); + r8a7790_register_scif(SCIF0); + r8a7790_register_scif(SCIF1); + r8a7790_register_irqc(0); +} + +#ifdef CONFIG_USE_OF +void __init r8a7790_add_standard_devices_dt(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static const char *r8a7790_boards_compat_dt[] __initdata = { + "renesas,r8a7790", + NULL, +}; + +DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)") + .init_irq = irqchip_init, + .init_machine = r8a7790_add_standard_devices_dt, + .init_time = shmobile_timer_init, + .dt_compat = r8a7790_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index bdab575f88bc..e8cd93a5c550 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/irqchip.h> #include <linux/platform_device.h> #include <linux/of_platform.h> #include <linux/delay.h> @@ -32,6 +33,7 @@ #include <linux/sh_intc.h> #include <linux/sh_timer.h> #include <linux/platform_data/sh_ipmmu.h> +#include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <mach/dma-register.h> #include <mach/hardware.h> #include <mach/irqs.h> @@ -810,7 +812,128 @@ static struct platform_device ipmmu_device = { .num_resources = ARRAY_SIZE(ipmmu_resources), }; -static struct platform_device *sh73a0_early_devices_dt[] __initdata = { +static struct renesas_intc_irqpin_config irqpin0_platform_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */ +}; + +static struct resource irqpin0_resources[] = { + DEFINE_RES_MEM(0xe6900000, 4), /* ICR1A */ + DEFINE_RES_MEM(0xe6900010, 4), /* INTPRI00A */ + DEFINE_RES_MEM(0xe6900020, 1), /* INTREQ00A */ + DEFINE_RES_MEM(0xe6900040, 1), /* INTMSK00A */ + DEFINE_RES_MEM(0xe6900060, 1), /* INTMSKCLR00A */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(4)), /* IRQ3 */ + DEFINE_RES_IRQ(gic_spi(5)), /* IRQ4 */ + DEFINE_RES_IRQ(gic_spi(6)), /* IRQ5 */ + DEFINE_RES_IRQ(gic_spi(7)), /* IRQ6 */ + DEFINE_RES_IRQ(gic_spi(8)), /* IRQ7 */ +}; + +static struct platform_device irqpin0_device = { + .name = "renesas_intc_irqpin", + .id = 0, + .resource = irqpin0_resources, + .num_resources = ARRAY_SIZE(irqpin0_resources), + .dev = { + .platform_data = &irqpin0_platform_data, + }, +}; + +static struct renesas_intc_irqpin_config irqpin1_platform_data = { + .irq_base = irq_pin(8), /* IRQ8 -> IRQ15 */ + .control_parent = true, /* Disable spurious IRQ10 */ +}; + +static struct resource irqpin1_resources[] = { + DEFINE_RES_MEM(0xe6900004, 4), /* ICR2A */ + DEFINE_RES_MEM(0xe6900014, 4), /* INTPRI10A */ + DEFINE_RES_MEM(0xe6900024, 1), /* INTREQ10A */ + DEFINE_RES_MEM(0xe6900044, 1), /* INTMSK10A */ + DEFINE_RES_MEM(0xe6900064, 1), /* INTMSKCLR10A */ + DEFINE_RES_IRQ(gic_spi(9)), /* IRQ8 */ + DEFINE_RES_IRQ(gic_spi(10)), /* IRQ9 */ + DEFINE_RES_IRQ(gic_spi(11)), /* IRQ10 */ + DEFINE_RES_IRQ(gic_spi(12)), /* IRQ11 */ + DEFINE_RES_IRQ(gic_spi(13)), /* IRQ12 */ + DEFINE_RES_IRQ(gic_spi(14)), /* IRQ13 */ + DEFINE_RES_IRQ(gic_spi(15)), /* IRQ14 */ + DEFINE_RES_IRQ(gic_spi(16)), /* IRQ15 */ +}; + +static struct platform_device irqpin1_device = { + .name = "renesas_intc_irqpin", + .id = 1, + .resource = irqpin1_resources, + .num_resources = ARRAY_SIZE(irqpin1_resources), + .dev = { + .platform_data = &irqpin1_platform_data, + }, +}; + +static struct renesas_intc_irqpin_config irqpin2_platform_data = { + .irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */ +}; + +static struct resource irqpin2_resources[] = { + DEFINE_RES_MEM(0xe6900008, 4), /* ICR3A */ + DEFINE_RES_MEM(0xe6900018, 4), /* INTPRI20A */ + DEFINE_RES_MEM(0xe6900028, 1), /* INTREQ20A */ + DEFINE_RES_MEM(0xe6900048, 1), /* INTMSK20A */ + DEFINE_RES_MEM(0xe6900068, 1), /* INTMSKCLR20A */ + DEFINE_RES_IRQ(gic_spi(17)), /* IRQ16 */ + DEFINE_RES_IRQ(gic_spi(18)), /* IRQ17 */ + DEFINE_RES_IRQ(gic_spi(19)), /* IRQ18 */ + DEFINE_RES_IRQ(gic_spi(20)), /* IRQ19 */ + DEFINE_RES_IRQ(gic_spi(21)), /* IRQ20 */ + DEFINE_RES_IRQ(gic_spi(22)), /* IRQ21 */ + DEFINE_RES_IRQ(gic_spi(23)), /* IRQ22 */ + DEFINE_RES_IRQ(gic_spi(24)), /* IRQ23 */ +}; + +static struct platform_device irqpin2_device = { + .name = "renesas_intc_irqpin", + .id = 2, + .resource = irqpin2_resources, + .num_resources = ARRAY_SIZE(irqpin2_resources), + .dev = { + .platform_data = &irqpin2_platform_data, + }, +}; + +static struct renesas_intc_irqpin_config irqpin3_platform_data = { + .irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */ +}; + +static struct resource irqpin3_resources[] = { + DEFINE_RES_MEM(0xe690000c, 4), /* ICR4A */ + DEFINE_RES_MEM(0xe690001c, 4), /* INTPRI30A */ + DEFINE_RES_MEM(0xe690002c, 1), /* INTREQ30A */ + DEFINE_RES_MEM(0xe690004c, 1), /* INTMSK30A */ + DEFINE_RES_MEM(0xe690006c, 1), /* INTMSKCLR30A */ + DEFINE_RES_IRQ(gic_spi(25)), /* IRQ24 */ + DEFINE_RES_IRQ(gic_spi(26)), /* IRQ25 */ + DEFINE_RES_IRQ(gic_spi(27)), /* IRQ26 */ + DEFINE_RES_IRQ(gic_spi(28)), /* IRQ27 */ + DEFINE_RES_IRQ(gic_spi(29)), /* IRQ28 */ + DEFINE_RES_IRQ(gic_spi(30)), /* IRQ29 */ + DEFINE_RES_IRQ(gic_spi(31)), /* IRQ30 */ + DEFINE_RES_IRQ(gic_spi(32)), /* IRQ31 */ +}; + +static struct platform_device irqpin3_device = { + .name = "renesas_intc_irqpin", + .id = 3, + .resource = irqpin3_resources, + .num_resources = ARRAY_SIZE(irqpin3_resources), + .dev = { + .platform_data = &irqpin3_platform_data, + }, +}; + +static struct platform_device *sh73a0_devices_dt[] __initdata = { &scif0_device, &scif1_device, &scif2_device, @@ -838,6 +961,10 @@ static struct platform_device *sh73a0_late_devices[] __initdata = { &dma0_device, &mpdma0_device, &pmu_device, + &irqpin0_device, + &irqpin1_device, + &irqpin2_device, + &irqpin3_device, }; #define SRCR2 IOMEM(0xe61580b0) @@ -847,8 +974,8 @@ void __init sh73a0_add_standard_devices(void) /* Clear software reset bit on SY-DMAC module */ __raw_writel(__raw_readl(SRCR2) & ~(1 << 18), SRCR2); - platform_add_devices(sh73a0_early_devices_dt, - ARRAY_SIZE(sh73a0_early_devices_dt)); + platform_add_devices(sh73a0_devices_dt, + ARRAY_SIZE(sh73a0_devices_dt)); platform_add_devices(sh73a0_early_devices, ARRAY_SIZE(sh73a0_early_devices)); platform_add_devices(sh73a0_late_devices, @@ -867,8 +994,8 @@ void __init sh73a0_earlytimer_init(void) void __init sh73a0_add_early_devices(void) { - early_platform_add_devices(sh73a0_early_devices_dt, - ARRAY_SIZE(sh73a0_early_devices_dt)); + early_platform_add_devices(sh73a0_devices_dt, + ARRAY_SIZE(sh73a0_devices_dt)); early_platform_add_devices(sh73a0_early_devices, ARRAY_SIZE(sh73a0_early_devices)); @@ -878,23 +1005,9 @@ void __init sh73a0_add_early_devices(void) #ifdef CONFIG_USE_OF -/* Please note that the clock initialisation shcheme used in - * sh73a0_add_early_devices_dt() and sh73a0_add_standard_devices_dt() - * does not work with SMP as there is a yet to be resolved lock-up in - * workqueue initialisation. - * - * CONFIG_SMP should be disabled when using this code. - */ - -void __init sh73a0_add_early_devices_dt(void) +void __init sh73a0_init_delay(void) { shmobile_setup_delay(1196, 44, 46); /* Cortex-A9 @ 1196MHz */ - - early_platform_add_devices(sh73a0_early_devices_dt, - ARRAY_SIZE(sh73a0_early_devices_dt)); - - /* setup early console here as well */ - shmobile_setup_console(); } static const struct of_dev_auxdata sh73a0_auxdata_lookup[] __initconst = { @@ -906,8 +1019,8 @@ void __init sh73a0_add_standard_devices_dt(void) /* clocks are setup late during boot in the case of DT */ sh73a0_clock_init(); - platform_add_devices(sh73a0_early_devices_dt, - ARRAY_SIZE(sh73a0_early_devices_dt)); + platform_add_devices(sh73a0_devices_dt, + ARRAY_SIZE(sh73a0_devices_dt)); of_platform_populate(NULL, of_default_bus_match_table, sh73a0_auxdata_lookup, NULL); } @@ -918,10 +1031,11 @@ static const char *sh73a0_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") + .smp = smp_ops(sh73a0_smp_ops), .map_io = sh73a0_map_io, - .init_early = sh73a0_add_early_devices_dt, + .init_early = sh73a0_init_delay, .nr_irqs = NR_IRQS_LEGACY, - .init_irq = sh73a0_init_irq_dt, + .init_irq = irqchip_init, .init_machine = sh73a0_add_standard_devices_dt, .init_time = shmobile_timer_init, .dt_compat = sh73a0_boards_compat_dt, diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c index 953eb1f9388d..8225c16b371b 100644 --- a/arch/arm/mach-shmobile/smp-emev2.c +++ b/arch/arm/mach-shmobile/smp-emev2.c @@ -28,63 +28,9 @@ #include <mach/emev2.h> #include <asm/smp_plat.h> #include <asm/smp_scu.h> -#include <asm/cacheflush.h> #define EMEV2_SCU_BASE 0x1e000000 -static DEFINE_SPINLOCK(scu_lock); -static void __iomem *scu_base; - -static void modify_scu_cpu_psr(unsigned long set, unsigned long clr) -{ - unsigned long tmp; - - /* we assume this code is running on a different cpu - * than the one that is changing coherency setting */ - spin_lock(&scu_lock); - tmp = readl(scu_base + 8); - tmp &= ~clr; - tmp |= set; - writel(tmp, scu_base + 8); - spin_unlock(&scu_lock); - -} - -static unsigned int __init emev2_get_core_count(void) -{ - if (!scu_base) { - scu_base = ioremap(EMEV2_SCU_BASE, PAGE_SIZE); - emev2_clock_init(); /* need ioremapped SMU */ - } - - WARN_ON_ONCE(!scu_base); - - return scu_base ? scu_get_core_count(scu_base) : 1; -} - -static int emev2_platform_cpu_kill(unsigned int cpu) -{ - return 0; /* not supported yet */ -} - -static int __maybe_unused emev2_cpu_kill(unsigned int cpu) -{ - int k; - - /* this function is running on another CPU than the offline target, - * here we need wait for shutdown code in platform_cpu_die() to - * finish before asking SoC-specific code to power off the CPU core. - */ - for (k = 0; k < 1000; k++) { - if (shmobile_cpu_is_dead(cpu)) - return emev2_platform_cpu_kill(cpu); - mdelay(1); - } - - return 0; -} - - static void __cpuinit emev2_secondary_init(unsigned int cpu) { gic_secondary_init(0); @@ -92,31 +38,30 @@ static void __cpuinit emev2_secondary_init(unsigned int cpu) static int __cpuinit emev2_boot_secondary(unsigned int cpu, struct task_struct *idle) { - cpu = cpu_logical_map(cpu); - - /* enable cache coherency */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); - - /* Tell ROM loader about our vector (in headsmp.S) */ - emev2_set_boot_vector(__pa(shmobile_secondary_vector)); - - arch_send_wakeup_ipi_mask(cpumask_of(cpu)); + arch_send_wakeup_ipi_mask(cpumask_of(cpu_logical_map(cpu))); return 0; } static void __init emev2_smp_prepare_cpus(unsigned int max_cpus) { - int cpu = cpu_logical_map(0); + scu_enable(shmobile_scu_base); - scu_enable(scu_base); + /* Tell ROM loader about our vector (in headsmp-scu.S) */ + emev2_set_boot_vector(__pa(shmobile_secondary_vector_scu)); - /* enable cache coherency on CPU0 */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); + /* enable cache coherency on booting CPU */ + scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL); } static void __init emev2_smp_init_cpus(void) { - unsigned int ncores = emev2_get_core_count(); + unsigned int ncores; + + /* setup EMEV2 specific SCU base */ + shmobile_scu_base = ioremap(EMEV2_SCU_BASE, PAGE_SIZE); + emev2_clock_init(); /* need ioremapped SMU */ + + ncores = shmobile_scu_base ? scu_get_core_count(shmobile_scu_base) : 1; shmobile_smp_init_cpus(ncores); } @@ -126,9 +71,4 @@ struct smp_operations emev2_smp_ops __initdata = { .smp_prepare_cpus = emev2_smp_prepare_cpus, .smp_secondary_init = emev2_secondary_init, .smp_boot_secondary = emev2_boot_secondary, -#ifdef CONFIG_HOTPLUG_CPU - .cpu_kill = emev2_cpu_kill, - .cpu_die = shmobile_cpu_die, - .cpu_disable = shmobile_cpu_disable, -#endif }; diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index 3a4acf23edcf..ea4535a5c4e2 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -26,11 +26,13 @@ #include <linux/irqchip/arm-gic.h> #include <mach/common.h> #include <mach/r8a7779.h> +#include <asm/cacheflush.h> #include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <asm/smp_twd.h> #define AVECR IOMEM(0xfe700040) +#define R8A7779_SCU_BASE 0xf0000000 static struct r8a7779_pm_ch r8a7779_ch_cpu1 = { .chan_offs = 0x40, /* PWRSR0 .. PWRER0 */ @@ -56,44 +58,14 @@ static struct r8a7779_pm_ch *r8a7779_ch_cpu[4] = { [3] = &r8a7779_ch_cpu3, }; -static void __iomem *scu_base_addr(void) -{ - return (void __iomem *)0xf0000000; -} - -static DEFINE_SPINLOCK(scu_lock); -static unsigned long tmp; - #ifdef CONFIG_HAVE_ARM_TWD -static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29); - +static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, R8A7779_SCU_BASE + 0x600, 29); void __init r8a7779_register_twd(void) { twd_local_timer_register(&twd_local_timer); } #endif -static void modify_scu_cpu_psr(unsigned long set, unsigned long clr) -{ - void __iomem *scu_base = scu_base_addr(); - - spin_lock(&scu_lock); - tmp = __raw_readl(scu_base + 8); - tmp &= ~clr; - tmp |= set; - spin_unlock(&scu_lock); - - /* disable cache coherency after releasing the lock */ - __raw_writel(tmp, scu_base + 8); -} - -static unsigned int __init r8a7779_get_core_count(void) -{ - void __iomem *scu_base = scu_base_addr(); - - return scu_get_core_count(scu_base); -} - static int r8a7779_platform_cpu_kill(unsigned int cpu) { struct r8a7779_pm_ch *ch = NULL; @@ -101,9 +73,6 @@ static int r8a7779_platform_cpu_kill(unsigned int cpu) cpu = cpu_logical_map(cpu); - /* disable cache coherency */ - modify_scu_cpu_psr(3 << (cpu * 8), 0); - if (cpu < ARRAY_SIZE(r8a7779_ch_cpu)) ch = r8a7779_ch_cpu[cpu]; @@ -113,25 +82,6 @@ static int r8a7779_platform_cpu_kill(unsigned int cpu) return ret ? ret : 1; } -static int __maybe_unused r8a7779_cpu_kill(unsigned int cpu) -{ - int k; - - /* this function is running on another CPU than the offline target, - * here we need wait for shutdown code in platform_cpu_die() to - * finish before asking SoC-specific code to power off the CPU core. - */ - for (k = 0; k < 1000; k++) { - if (shmobile_cpu_is_dead(cpu)) - return r8a7779_platform_cpu_kill(cpu); - - mdelay(1); - } - - return 0; -} - - static void __cpuinit r8a7779_secondary_init(unsigned int cpu) { gic_secondary_init(0); @@ -144,9 +94,6 @@ static int __cpuinit r8a7779_boot_secondary(unsigned int cpu, struct task_struct cpu = cpu_logical_map(cpu); - /* enable cache coherency */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); - if (cpu < ARRAY_SIZE(r8a7779_ch_cpu)) ch = r8a7779_ch_cpu[cpu]; @@ -158,15 +105,13 @@ static int __cpuinit r8a7779_boot_secondary(unsigned int cpu, struct task_struct static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus) { - int cpu = cpu_logical_map(0); + scu_enable(shmobile_scu_base); - scu_enable(scu_base_addr()); + /* Map the reset vector (in headsmp-scu.S) */ + __raw_writel(__pa(shmobile_secondary_vector_scu), AVECR); - /* Map the reset vector (in headsmp.S) */ - __raw_writel(__pa(shmobile_secondary_vector), AVECR); - - /* enable cache coherency on CPU0 */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); + /* enable cache coherency on booting CPU */ + scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL); r8a7779_pm_init(); @@ -178,10 +123,60 @@ static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus) static void __init r8a7779_smp_init_cpus(void) { - unsigned int ncores = r8a7779_get_core_count(); + /* setup r8a7779 specific SCU base */ + shmobile_scu_base = IOMEM(R8A7779_SCU_BASE); + + shmobile_smp_init_cpus(scu_get_core_count(shmobile_scu_base)); +} - shmobile_smp_init_cpus(ncores); +#ifdef CONFIG_HOTPLUG_CPU +static int r8a7779_scu_psr_core_disabled(int cpu) +{ + unsigned long mask = 3 << (cpu * 8); + + if ((__raw_readl(shmobile_scu_base + 8) & mask) == mask) + return 1; + + return 0; +} + +static int r8a7779_cpu_kill(unsigned int cpu) +{ + int k; + + /* this function is running on another CPU than the offline target, + * here we need wait for shutdown code in platform_cpu_die() to + * finish before asking SoC-specific code to power off the CPU core. + */ + for (k = 0; k < 1000; k++) { + if (r8a7779_scu_psr_core_disabled(cpu)) + return r8a7779_platform_cpu_kill(cpu); + + mdelay(1); + } + + return 0; +} + +static void r8a7779_cpu_die(unsigned int cpu) +{ + dsb(); + flush_cache_all(); + + /* disable cache coherency */ + scu_power_mode(shmobile_scu_base, SCU_PM_POWEROFF); + + /* Endless loop until power off from r8a7779_cpu_kill() */ + while (1) + cpu_do_idle(); +} + +static int r8a7779_cpu_disable(unsigned int cpu) +{ + /* only CPU1->3 have power domains, do not allow hotplug of CPU0 */ + return cpu == 0 ? -EPERM : 0; } +#endif /* CONFIG_HOTPLUG_CPU */ struct smp_operations r8a7779_smp_ops __initdata = { .smp_init_cpus = r8a7779_smp_init_cpus, @@ -190,7 +185,7 @@ struct smp_operations r8a7779_smp_ops __initdata = { .smp_boot_secondary = r8a7779_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_kill = r8a7779_cpu_kill, - .cpu_die = shmobile_cpu_die, - .cpu_disable = shmobile_cpu_disable, + .cpu_die = r8a7779_cpu_die, + .cpu_disable = r8a7779_cpu_disable, #endif }; diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index acb46a94ccdf..5ae502b16437 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -39,26 +39,16 @@ #define PSTR_SHUTDOWN_MODE 3 -static void __iomem *scu_base_addr(void) -{ - return (void __iomem *)0xf0000000; -} +#define SH73A0_SCU_BASE 0xf0000000 #ifdef CONFIG_HAVE_ARM_TWD -static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29); +static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, SH73A0_SCU_BASE + 0x600, 29); void __init sh73a0_register_twd(void) { twd_local_timer_register(&twd_local_timer); } #endif -static unsigned int __init sh73a0_get_core_count(void) -{ - void __iomem *scu_base = scu_base_addr(); - - return scu_get_core_count(scu_base); -} - static void __cpuinit sh73a0_secondary_init(unsigned int cpu) { gic_secondary_init(0); @@ -78,21 +68,22 @@ static int __cpuinit sh73a0_boot_secondary(unsigned int cpu, struct task_struct static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus) { - scu_enable(scu_base_addr()); + scu_enable(shmobile_scu_base); - /* Map the reset vector (in headsmp-sh73a0.S) */ + /* Map the reset vector (in headsmp-scu.S) */ __raw_writel(0, APARMBAREA); /* 4k */ - __raw_writel(__pa(sh73a0_secondary_vector), SBAR); + __raw_writel(__pa(shmobile_secondary_vector_scu), SBAR); /* enable cache coherency on booting CPU */ - scu_power_mode(scu_base_addr(), SCU_PM_NORMAL); + scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL); } static void __init sh73a0_smp_init_cpus(void) { - unsigned int ncores = sh73a0_get_core_count(); + /* setup sh73a0 specific SCU base */ + shmobile_scu_base = IOMEM(SH73A0_SCU_BASE); - shmobile_smp_init_cpus(ncores); + shmobile_smp_init_cpus(scu_get_core_count(shmobile_scu_base)); } #ifdef CONFIG_HOTPLUG_CPU @@ -128,11 +119,16 @@ static void sh73a0_cpu_die(unsigned int cpu) flush_cache_all(); /* Set power off mode. This takes the CPU out of the MP cluster */ - scu_power_mode(scu_base_addr(), SCU_PM_POWEROFF); + scu_power_mode(shmobile_scu_base, SCU_PM_POWEROFF); /* Enter shutdown mode */ cpu_do_idle(); } + +static int sh73a0_cpu_disable(unsigned int cpu) +{ + return 0; /* CPU0 and CPU1 supported */ +} #endif /* CONFIG_HOTPLUG_CPU */ struct smp_operations sh73a0_smp_ops __initdata = { @@ -143,6 +139,6 @@ struct smp_operations sh73a0_smp_ops __initdata = { #ifdef CONFIG_HOTPLUG_CPU .cpu_kill = sh73a0_cpu_kill, .cpu_die = sh73a0_cpu_die, - .cpu_disable = shmobile_cpu_disable_any, + .cpu_disable = sh73a0_cpu_disable, #endif }; |