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Diffstat (limited to 'arch/arm/mach-spear3xx/spear300.c')
-rw-r--r--arch/arm/mach-spear3xx/spear300.c335
1 files changed, 303 insertions, 32 deletions
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index f7db66812abb..febcdd8d4e92 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -3,21 +3,62 @@
*
* SPEAr300 machine source file
*
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
+ * Copyright (C) 2009-2012 ST Microelectronics
+ * Viresh Kumar <viresh.kumar@st.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
-#include <linux/types.h>
-#include <linux/amba/pl061.h>
-#include <linux/ptrace.h>
-#include <asm/irq.h>
+#define pr_fmt(fmt) "SPEAr300: " fmt
+
+#include <linux/amba/pl08x.h>
+#include <linux/of_platform.h>
+#include <asm/hardware/vic.h>
+#include <asm/mach/arch.h>
#include <plat/shirq.h>
#include <mach/generic.h>
-#include <mach/hardware.h>
+#include <mach/spear.h>
+
+/* Base address of various IPs */
+#define SPEAR300_TELECOM_BASE UL(0x50000000)
+
+/* Interrupt registers offsets and masks */
+#define SPEAR300_INT_ENB_MASK_REG 0x54
+#define SPEAR300_INT_STS_MASK_REG 0x58
+#define SPEAR300_IT_PERS_S_IRQ_MASK (1 << 0)
+#define SPEAR300_IT_CHANGE_S_IRQ_MASK (1 << 1)
+#define SPEAR300_I2S_IRQ_MASK (1 << 2)
+#define SPEAR300_TDM_IRQ_MASK (1 << 3)
+#define SPEAR300_CAMERA_L_IRQ_MASK (1 << 4)
+#define SPEAR300_CAMERA_F_IRQ_MASK (1 << 5)
+#define SPEAR300_CAMERA_V_IRQ_MASK (1 << 6)
+#define SPEAR300_KEYBOARD_IRQ_MASK (1 << 7)
+#define SPEAR300_GPIO1_IRQ_MASK (1 << 8)
+
+#define SPEAR300_SHIRQ_RAS1_MASK 0x1FF
+
+#define SPEAR300_SOC_CONFIG_BASE UL(0x99000000)
+
+
+/* SPEAr300 Virtual irq definitions */
+/* IRQs sharing IRQ_GEN_RAS_1 */
+#define SPEAR300_VIRQ_IT_PERS_S (SPEAR3XX_VIRQ_START + 0)
+#define SPEAR300_VIRQ_IT_CHANGE_S (SPEAR3XX_VIRQ_START + 1)
+#define SPEAR300_VIRQ_I2S (SPEAR3XX_VIRQ_START + 2)
+#define SPEAR300_VIRQ_TDM (SPEAR3XX_VIRQ_START + 3)
+#define SPEAR300_VIRQ_CAMERA_L (SPEAR3XX_VIRQ_START + 4)
+#define SPEAR300_VIRQ_CAMERA_F (SPEAR3XX_VIRQ_START + 5)
+#define SPEAR300_VIRQ_CAMERA_V (SPEAR3XX_VIRQ_START + 6)
+#define SPEAR300_VIRQ_KEYBOARD (SPEAR3XX_VIRQ_START + 7)
+#define SPEAR300_VIRQ_GPIO1 (SPEAR3XX_VIRQ_START + 8)
+
+/* IRQs sharing IRQ_GEN_RAS_3 */
+#define SPEAR300_IRQ_CLCD SPEAR3XX_IRQ_GEN_RAS_3
+
+/* IRQs sharing IRQ_INTRCOMM_RAS_ARM */
+#define SPEAR300_IRQ_SDHCI SPEAR3XX_IRQ_INTRCOMM_RAS_ARM
/* pad multiplexing support */
/* muxing registers */
@@ -423,45 +464,275 @@ static struct spear_shirq shirq_ras1 = {
},
};
-/* Add spear300 specific devices here */
-/* arm gpio1 device registration */
-static struct pl061_platform_data gpio1_plat_data = {
- .gpio_base = 8,
- .irq_base = SPEAR300_GPIO1_INT_BASE,
+/* padmux devices to enable */
+static struct pmx_dev *spear300_evb_pmx_devs[] = {
+ /* spear3xx specific devices */
+ &spear3xx_pmx_i2c,
+ &spear3xx_pmx_ssp_cs,
+ &spear3xx_pmx_ssp,
+ &spear3xx_pmx_mii,
+ &spear3xx_pmx_uart0,
+
+ /* spear300 specific devices */
+ &spear300_pmx_fsmc_2_chips,
+ &spear300_pmx_clcd,
+ &spear300_pmx_telecom_sdhci_4bit,
+ &spear300_pmx_gpio1,
};
-AMBA_APB_DEVICE(spear300_gpio1, "gpio1", 0, SPEAR300_GPIO_BASE,
- {SPEAR300_VIRQ_GPIO1}, &gpio1_plat_data);
+/* DMAC platform data's slave info */
+struct pl08x_channel_data spear300_dma_info[] = {
+ {
+ .bus_id = "uart0_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "uart0_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ssp0_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "i2c_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "irda",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "adc",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "to_jpeg",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "from_jpeg",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 0,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras0_rx",
+ .min_signal = 0,
+ .max_signal = 0,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras0_tx",
+ .min_signal = 1,
+ .max_signal = 1,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras1_rx",
+ .min_signal = 2,
+ .max_signal = 2,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras1_tx",
+ .min_signal = 3,
+ .max_signal = 3,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras2_rx",
+ .min_signal = 4,
+ .max_signal = 4,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras2_tx",
+ .min_signal = 5,
+ .max_signal = 5,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras3_rx",
+ .min_signal = 6,
+ .max_signal = 6,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras3_tx",
+ .min_signal = 7,
+ .max_signal = 7,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras4_rx",
+ .min_signal = 8,
+ .max_signal = 8,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras4_tx",
+ .min_signal = 9,
+ .max_signal = 9,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_rx",
+ .min_signal = 10,
+ .max_signal = 10,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras5_tx",
+ .min_signal = 11,
+ .max_signal = 11,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_rx",
+ .min_signal = 12,
+ .max_signal = 12,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras6_tx",
+ .min_signal = 13,
+ .max_signal = 13,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_rx",
+ .min_signal = 14,
+ .max_signal = 14,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ }, {
+ .bus_id = "ras7_tx",
+ .min_signal = 15,
+ .max_signal = 15,
+ .muxval = 1,
+ .cctl = 0,
+ .periph_buses = PL08X_AHB1,
+ },
+};
-/* spear300 routines */
-void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
- u8 pmx_dev_count)
+/* Add SPEAr300 auxdata to pass platform data */
+static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
+ &pl022_plat_data),
+ OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL,
+ &pl080_plat_data),
+ {}
+};
+
+static void __init spear300_dt_init(void)
{
- int ret = 0;
+ int ret = -EINVAL;
+
+ pl080_plat_data.slave_channels = spear300_dma_info;
+ pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);
- /* call spear3xx family common init function */
- spear3xx_init();
+ of_platform_populate(NULL, of_default_bus_match_table,
+ spear300_auxdata_lookup, NULL);
/* shared irq registration */
shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K);
if (shirq_ras1.regs.base) {
ret = spear_shirq_register(&shirq_ras1);
if (ret)
- printk(KERN_ERR "Error registering Shared IRQ\n");
+ pr_err("Error registering Shared IRQ\n");
}
- /* pmx initialization */
- pmx_driver.mode = pmx_mode;
- pmx_driver.devs = pmx_devs;
- pmx_driver.devs_count = pmx_dev_count;
+ if (of_machine_is_compatible("st,spear300-evb")) {
+ /* pmx initialization */
+ pmx_driver.mode = &spear300_photo_frame_mode;
+ pmx_driver.devs = spear300_evb_pmx_devs;
+ pmx_driver.devs_count = ARRAY_SIZE(spear300_evb_pmx_devs);
+
+ pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K);
+ if (pmx_driver.base) {
+ ret = pmx_register(&pmx_driver);
+ if (ret)
+ pr_err("padmux: registration failed. err no: %d\n",
+ ret);
+ /* Free Mapping, device selection already done */
+ iounmap(pmx_driver.base);
+ }
- pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K);
- if (pmx_driver.base) {
- ret = pmx_register(&pmx_driver);
if (ret)
- printk(KERN_ERR "padmux: registration failed. err no"
- ": %d\n", ret);
- /* Free Mapping, device selection already done */
- iounmap(pmx_driver.base);
+ pr_err("Initialization Failed");
}
}
+
+static const char * const spear300_dt_board_compat[] = {
+ "st,spear300",
+ "st,spear300-evb",
+ NULL,
+};
+
+static void __init spear300_map_io(void)
+{
+ spear3xx_map_io();
+ spear300_clk_init();
+}
+
+DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree")
+ .map_io = spear300_map_io,
+ .init_irq = spear3xx_dt_init_irq,
+ .handle_irq = vic_handle_irq,
+ .timer = &spear3xx_timer,
+ .init_machine = spear300_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear300_dt_board_compat,
+MACHINE_END
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