diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2008-07-11 23:27:54 +0900 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-07-15 18:44:35 +0100 |
| commit | edcaf1a6a77315562e9781245cc8e028c9a921dc (patch) | |
| tree | a20a0a85071fa283c36db87a41d1a7e091a35781 | |
| parent | 766891565bdaf605ea4aebe3e75de77e848254d0 (diff) | |
[MIPS] TXx9: Make single kernel can support multiple boards
Make single kernel can be used on RBTX4927/37/38. Also make
some SoC-specific code independent from board-specific code.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
29 files changed, 520 insertions, 585 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 2ea6fff88811..72baa1a70fcb 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -550,66 +550,11 @@ config SNI_RM Technology and now in turn merged with Fujitsu. Say Y here to support this machine type. -config TOSHIBA_JMR3927 - bool "Toshiba JMR-TX3927 board" - select CEVT_TXX9 - select DMA_NONCOHERENT - select HW_HAS_PCI - select MIPS_TX3927 - select IRQ_TXX9 - select SWAP_IO_SPACE - select SYS_HAS_CPU_TX39XX - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_BIG_ENDIAN - select GENERIC_HARDIRQS_NO__DO_IRQ - select GPIO_TXX9 +config MACH_TX39XX + bool "Toshiba TX39 series based machines" -config TOSHIBA_RBTX4927 - bool "Toshiba RBTX49[23]7 board" - select CEVT_R4K - select CSRC_R4K - select CEVT_TXX9 - select DMA_NONCOHERENT - select HAS_TXX9_SERIAL - select HW_HAS_PCI - select IRQ_CPU - select IRQ_TXX9 - select PCI_TX4927 - select SWAP_IO_SPACE - select SYS_HAS_CPU_TX49XX - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_BIG_ENDIAN - select SYS_SUPPORTS_KGDB - select GENERIC_HARDIRQS_NO__DO_IRQ - help - This Toshiba board is based on the TX4927 processor. Say Y here to - support this machine type - -config TOSHIBA_RBTX4938 - bool "Toshiba RBTX4938 board" - select CEVT_R4K - select CSRC_R4K - select CEVT_TXX9 - select DMA_NONCOHERENT - select HAS_TXX9_SERIAL - select HW_HAS_PCI - select IRQ_CPU - select IRQ_TXX9 - select PCI_TX4927 - select SWAP_IO_SPACE - select SYS_HAS_CPU_TX49XX - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_LITTLE_ENDIAN - select SYS_SUPPORTS_BIG_ENDIAN - select SYS_SUPPORTS_KGDB - select GENERIC_HARDIRQS_NO__DO_IRQ - select GPIO_TXX9 - help - This Toshiba board is based on the TX4938 processor. Say Y here to - support this machine type +config MACH_TX49XX + bool "Toshiba TX49 series based machines" config WR_PPMC bool "Wind River PPMC board" @@ -887,10 +832,6 @@ config PCI_GT64XXX_PCI0 config NO_EXCEPT_FILL bool -config MIPS_TX3927 - bool - select HAS_TXX9_SERIAL - config MIPS_RM9122 bool select SERIAL_RM9000 diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 8e1e49c5186b..d319cd624135 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -551,29 +551,30 @@ endif all-$(CONFIG_SNI_RM) := vmlinux.ecoff # +# Common TXx9 +# +core-$(CONFIG_MACH_TX39XX) += arch/mips/txx9/generic/ +cflags-$(CONFIG_MACH_TX39XX) += -Iinclude/asm-mips/mach-jmr3927 +load-$(CONFIG_MACH_TX39XX) += 0xffffffff80050000 +core-$(CONFIG_MACH_TX49XX) += arch/mips/txx9/generic/ +cflags-$(CONFIG_MACH_TX49XX) += -Iinclude/asm-mips/mach-tx49xx +load-$(CONFIG_MACH_TX49XX) += 0xffffffff80100000 + +# # Toshiba JMR-TX3927 board # -core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/txx9/jmr3927/ \ - arch/mips/txx9/generic/ -cflags-$(CONFIG_TOSHIBA_JMR3927) += -Iinclude/asm-mips/mach-jmr3927 -load-$(CONFIG_TOSHIBA_JMR3927) += 0xffffffff80050000 +core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/txx9/jmr3927/ # # Toshiba RBTX4927 board or # Toshiba RBTX4937 board # core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/rbtx4927/ -core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/generic/ -cflags-$(CONFIG_TOSHIBA_RBTX4927) += -Iinclude/asm-mips/mach-tx49xx -load-$(CONFIG_TOSHIBA_RBTX4927) += 0xffffffff80020000 # # Toshiba RBTX4938 board # core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/ -core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/generic/ -cflags-$(CONFIG_TOSHIBA_RBTX4938) += -Iinclude/asm-mips/mach-tx49xx -load-$(CONFIG_TOSHIBA_RBTX4938) += 0xffffffff80100000 cflags-y += -Iinclude/asm-mips/mach-generic drivers-$(CONFIG_PCI) += arch/mips/pci/ diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index 908764878ac8..875b643438c0 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -11,11 +11,10 @@ obj-$(CONFIG_MIPS_BONITO64) += ops-bonito64.o obj-$(CONFIG_PCI_GT64XXX_PCI0) += ops-gt64xxx_pci0.o obj-$(CONFIG_MIPS_MSC) += ops-msc.o obj-$(CONFIG_MIPS_NILE4) += ops-nile4.o -obj-$(CONFIG_MIPS_TX3927) += ops-tx3927.o +obj-$(CONFIG_SOC_TX3927) += ops-tx3927.o obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o obj-$(CONFIG_NEC_CMBVR4133) += fixup-vr4133.o obj-$(CONFIG_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o -obj-$(CONFIG_PCI_TX3927) += ops-tx3927.o obj-$(CONFIG_PCI_TX4927) += ops-tx4927.o # @@ -44,8 +43,10 @@ obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o obj-$(CONFIG_TOSHIBA_JMR3927) += fixup-jmr3927.o -obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o pci-tx4927.o pci-tx4938.o -obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-rbtx4938.o pci-tx4938.o +obj-$(CONFIG_SOC_TX4927) += pci-tx4927.o +obj-$(CONFIG_SOC_TX4938) += pci-tx4938.o +obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o +obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-rbtx4938.o obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o diff --git a/arch/mips/pci/fixup-jmr3927.c b/arch/mips/pci/fixup-jmr3927.c index d5edaf21e088..0f1069527cba 100644 --- a/arch/mips/pci/fixup-jmr3927.c +++ b/arch/mips/pci/fixup-jmr3927.c @@ -31,7 +31,7 @@ #include <asm/txx9/pci.h> #include <asm/txx9/jmr3927.h> -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +int __init jmr3927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { unsigned char irq = pin; @@ -77,9 +77,3 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) irq = JMR3927_IRQ_ETHER0; return irq; } - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} diff --git a/arch/mips/pci/fixup-rbtx4927.c b/arch/mips/pci/fixup-rbtx4927.c index abab4852d158..321db265829c 100644 --- a/arch/mips/pci/fixup-rbtx4927.c +++ b/arch/mips/pci/fixup-rbtx4927.c @@ -36,7 +36,7 @@ #include <asm/txx9/pci.h> #include <asm/txx9/rbtx4927.h> -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +int __init rbtx4927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { unsigned char irq = pin; @@ -71,9 +71,3 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } return irq; } - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} diff --git a/arch/mips/pci/fixup-rbtx4938.c b/arch/mips/pci/fixup-rbtx4938.c index 39c995830384..a80579af609b 100644 --- a/arch/mips/pci/fixup-rbtx4938.c +++ b/arch/mips/pci/fixup-rbtx4938.c @@ -13,7 +13,7 @@ #include <asm/txx9/pci.h> #include <asm/txx9/rbtx4938.h> -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +int __init rbtx4938_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int irq = tx4938_pcic1_map_irq(dev, slot); @@ -51,12 +51,3 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) } return irq; } - -/* - * Do platform specific device initialization at pci_enable_device() time - */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} - diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index b8cdb192543a..b92a134ef124 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -1,11 +1,89 @@ +config TOSHIBA_JMR3927 + bool "Toshiba JMR-TX3927 board" + depends on MACH_TX39XX + select SOC_TX3927 + +config TOSHIBA_RBTX4927 + bool "Toshiba RBTX49[23]7 board" + depends on MACH_TX49XX + select SOC_TX4927 + help + This Toshiba board is based on the TX4927 processor. Say Y here to + support this machine type + +config TOSHIBA_RBTX4938 + bool "Toshiba RBTX4938 board" + depends on MACH_TX49XX + select SOC_TX4938 + help + This Toshiba board is based on the TX4938 processor. Say Y here to + support this machine type + +config SOC_TX3927 + bool + select CEVT_TXX9 + select DMA_NONCOHERENT + select HAS_TXX9_SERIAL + select HW_HAS_PCI + select IRQ_TXX9 + select SWAP_IO_SPACE + select SYS_HAS_CPU_TX39XX + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_BIG_ENDIAN + select GENERIC_HARDIRQS_NO__DO_IRQ + select GPIO_TXX9 + +config SOC_TX4927 + bool + select CEVT_R4K + select CSRC_R4K + select CEVT_TXX9 + select DMA_NONCOHERENT + select HAS_TXX9_SERIAL + select HW_HAS_PCI + select IRQ_CPU + select IRQ_TXX9 + select PCI_TX4927 + select SWAP_IO_SPACE + select SYS_HAS_CPU_TX49XX + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_64BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB + select GENERIC_HARDIRQS_NO__DO_IRQ + select GPIO_TXX9 + +config SOC_TX4938 + bool + select CEVT_R4K + select CSRC_R4K + select CEVT_TXX9 + select DMA_NONCOHERENT + select HAS_TXX9_SERIAL + select HW_HAS_PCI + select IRQ_CPU + select IRQ_TXX9 + select PCI_TX4927 + select SWAP_IO_SPACE + select SYS_HAS_CPU_TX49XX + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_64BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_KGDB + select GENERIC_HARDIRQS_NO__DO_IRQ + select GPIO_TXX9 + config TOSHIBA_FPCIB0 bool "FPCIB0 Backplane Support" - depends on PCI && (SYS_HAS_CPU_TX49XX || SYS_HAS_CPU_TX39XX) + depends on PCI && (MACH_TX39XX || MACH_TX49XX) select I8259 config PICMG_PCI_BACKPLANE_DEFAULT bool "Support for PICMG PCI Backplane" - depends on PCI && (SYS_HAS_CPU_TX49XX || SYS_HAS_CPU_TX39XX) + depends on PCI && (MACH_TX39XX || MACH_TX49XX) default y if !TOSHIBA_FPCIB0 if TOSHIBA_RBTX4938 diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index b80b6e072284..668fdaad6448 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -4,8 +4,8 @@ obj-y += setup.o obj-$(CONFIG_PCI) += pci.o -obj-$(CONFIG_TOSHIBA_RBTX4927) += mem_tx4927.o irq_tx4927.o -obj-$(CONFIG_TOSHIBA_RBTX4938) += mem_tx4938.o irq_tx4938.o +obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o irq_tx4927.o +obj-$(CONFIG_SOC_TX4938) += mem_tx4938.o irq_tx4938.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o obj-$(CONFIG_KGDB) += dbgio.o diff --git a/arch/mips/txx9/generic/irq_tx4927.c b/arch/mips/txx9/generic/irq_tx4927.c index 685ecc2ed551..6377bd8a9050 100644 --- a/arch/mips/txx9/generic/irq_tx4927.c +++ b/arch/mips/txx9/generic/irq_tx4927.c @@ -26,39 +26,12 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <asm/irq_cpu.h> -#include <asm/mipsregs.h> -#ifdef CONFIG_TOSHIBA_RBTX4927 -#include <asm/txx9/rbtx4927.h> -#endif +#include <asm/txx9/tx4927.h> void __init tx4927_irq_init(void) { mips_cpu_irq_init(); txx9_irq_init(TX4927_IRC_REG); - set_irq_chained_handler(TX4927_IRQ_NEST_PIC_ON_CP0, handle_simple_irq); -} - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; - - if (pending & STATUSF_IP7) /* cpu timer */ - do_IRQ(TX4927_IRQ_CPU_TIMER); - else if (pending & STATUSF_IP2) { /* tx4927 pic */ - int irq = txx9_irq(); -#ifdef CONFIG_TOSHIBA_RBTX4927 - if (irq == TX4927_IRQ_NEST_EXT_ON_PIC) - irq = toshiba_rbtx4927_irq_nested(irq); -#endif - if (unlikely(irq < 0)) { - spurious_interrupt(); - return; - } - do_IRQ(irq); - } else if (pending & STATUSF_IP0) /* user line 0 */ - do_IRQ(TX4927_IRQ_USER0); - else if (pending & STATUSF_IP1) /* user line 1 */ - do_IRQ(TX4927_IRQ_USER1); - else - spurious_interrupt(); + set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT, + handle_simple_irq); } diff --git a/arch/mips/txx9/generic/irq_tx4938.c b/arch/mips/txx9/generic/irq_tx4938.c index 0886d9138818..5fc86c9c9d2f 100644 --- a/arch/mips/txx9/generic/irq_tx4938.c +++ b/arch/mips/txx9/generic/irq_tx4938.c @@ -14,35 +14,12 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <asm/irq_cpu.h> -#include <asm/mipsregs.h> -#include <asm/txx9/rbtx4938.h> +#include <asm/txx9/tx4938.h> -void __init -tx4938_irq_init(void) +void __init tx4938_irq_init(void) { mips_cpu_irq_init(); txx9_irq_init(TX4938_IRC_REG); - set_irq_chained_handler(TX4938_IRQ_NEST_PIC_ON_CP0, handle_simple_irq); -} - -int toshiba_rbtx4938_irq_nested(int irq); - -asmlinkage void plat_irq_dispatch(void) -{ - unsigned int pending = read_c0_cause() & read_c0_status(); - - if (pending & STATUSF_IP7) - do_IRQ(TX4938_IRQ_CPU_TIMER); - else if (pending & STATUSF_IP2) { - int irq = txx9_irq(); - if (irq == TX4938_IRQ_PIC_BEG + TX4938_IR_INT(0)) - irq = toshiba_rbtx4938_irq_nested(irq); - if (irq >= 0) - do_IRQ(irq); - else - spurious_interrupt(); - } else if (pending & STATUSF_IP1) - do_IRQ(TX4938_IRQ_USER1); - else if (pending & STATUSF_IP0) - do_IRQ(TX4938_IRQ_USER0); + set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT, + handle_simple_irq); } diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c index 8173faab99bb..0b92d8c13208 100644 --- a/arch/mips/txx9/generic/pci.c +++ b/arch/mips/txx9/generic/pci.c @@ -16,6 +16,7 @@ #include <linux/delay.h> #include <linux/jiffies.h> #include <linux/io.h> +#include <asm/txx9/generic.h> #include <asm/txx9/pci.h> #ifdef CONFIG_TOSHIBA_FPCIB0 #include <linux/interrupt.h> @@ -375,3 +376,13 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1, #endif DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, final_fixup); DECLARE_PCI_FIXUP_RESUME(PCI_ANY_ID, PCI_ANY_ID, final_fixup); + +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return txx9_board_vec->pci_map_irq(dev, slot, pin); +} diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 46a631177757..66ff74f80c6b 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -14,7 +14,16 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/string.h> +#include <linux/module.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <asm/bootinfo.h> #include <asm/txx9/generic.h> +#ifdef CONFIG_CPU_TX49XX +#include <asm/txx9/tx4938.h> +#endif /* EBUSC settings of TX4927, etc. */ struct resource txx9_ce_res[8]; @@ -49,3 +58,163 @@ txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size) unsigned int txx9_master_clock; unsigned int txx9_cpu_clock; unsigned int txx9_gbus_clock; + + +/* Minimum CLK support */ + +struct clk *clk_get(struct device *dev, const char *id) +{ + if (!strcmp(id, "spi-baseclk")) + return (struct clk *)(txx9_gbus_clock / 2 / 4); + if (!strcmp(id, "imbus_clk")) + return (struct clk *)(txx9_gbus_clock / 2); + return ERR_PTR(-ENOENT); +} +EXPORT_SYMBOL(clk_get); + +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return (unsigned long)clk; +} +EXPORT_SYMBOL(clk_get_rate); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); + +extern struct txx9_board_vec jmr3927_vec; +extern struct txx9_board_vec rbtx4927_vec; +extern struct txx9_board_vec rbtx4937_vec; +extern struct txx9_board_vec rbtx4938_vec; + +/* board definitions */ +static struct txx9_board_vec *board_vecs[] __initdata = { +#ifdef CONFIG_TOSHIBA_JMR3927 + &jmr3927_vec, +#endif +#ifdef CONFIG_TOSHIBA_RBTX4927 + &rbtx4927_vec, + &rbtx4937_vec, +#endif +#ifdef CONFIG_TOSHIBA_RBTX4938 + &rbtx4938_vec, +#endif +}; +struct txx9_board_vec *txx9_board_vec __initdata; +static char txx9_system_type[32]; + +void __init prom_init_cmdline(void) +{ + int argc = (int)fw_arg0; + char **argv = (char **)fw_arg1; + int i; /* Always ignore the "-c" at argv[0] */ + + /* ignore all built-in args if any f/w args given */ + if (argc > 1) + *arcs_cmdline = '\0'; + + for (i = 1; i < argc; i++) { + if (i != 1) + strcat(arcs_cmdline, " "); + strcat(arcs_cmdline, argv[i]); + } +} + +void __init prom_init(void) +{ + int i; + +#ifdef CONFIG_CPU_TX39XX + mips_machtype = MACH_TOSHIBA_JMR3927; +#endif +#ifdef CONFIG_CPU_TX49XX + switch (TX4938_REV_PCODE()) { + case 0x4927: + mips_machtype = MACH_TOSHIBA_RBTX4927; + break; + case 0x4937: + mips_machtype = MACH_TOSHIBA_RBTX4937; + break; + case 0x4938: + mips_machtype = MACH_TOSHIBA_RBTX4938; + break; + } +#endif + for (i = 0; i < ARRAY_SIZE(board_vecs); i++) { + if (board_vecs[i]->type == mips_machtype) { + txx9_board_vec = board_vecs[i]; + strcpy(txx9_system_type, txx9_board_vec->system); + return txx9_board_vec->prom_init(); + } + } +} + +void __init prom_free_prom_memory(void) +{ +} + +const char *get_system_type(void) +{ + return txx9_system_type; +} + +char * __init prom_getcmdline(void) +{ + return &(arcs_cmdline[0]); +} + +/* wrappers */ +void __init plat_mem_setup(void) +{ + txx9_board_vec->mem_setup(); +} + +void __init arch_init_irq(void) +{ + txx9_board_vec->irq_setup(); +} + +void __init plat_time_init(void) +{ + txx9_board_vec->time_init(); +} + +static int __init _txx9_arch_init(void) +{ + if (txx9_board_vec->arch_init) + txx9_board_vec->arch_init(); + return 0; +} +arch_initcall(_txx9_arch_init); + +static int __init _txx9_device_init(void) +{ + if (txx9_board_vec->device_init) + txx9_board_vec->device_init(); + return 0; +} +device_initcall(_txx9_device_init); + +int (*txx9_irq_dispatch)(int pending); +asmlinkage void plat_irq_dispatch(void) +{ + int pending = read_c0_status() & read_c0_cause() & ST0_IM; + int irq = txx9_irq_dispatch(pending); + + if (likely(irq >= 0)) + do_IRQ(irq); + else + spurious_interrupt(); +} diff --git a/arch/mips/txx9/jmr3927/Makefile b/arch/mips/txx9/jmr3927/Makefile index 5f83ea375225..ba292c945669 100644 --- a/arch/mips/txx9/jmr3927/Makefile +++ b/arch/mips/txx9/jmr3927/Makefile @@ -2,7 +2,7 @@ # Makefile for TOSHIBA JMR-TX3927 board # -obj-y += prom.o init.o irq.o setup.o +obj-y += prom.o irq.o setup.o obj-$(CONFIG_KGDB) += kgdb_io.o EXTRA_CFLAGS += -Werror diff --git a/arch/mips/txx9/jmr3927/init.c b/arch/mips/txx9/jmr3927/init.c deleted file mode 100644 index 1bbb5343baf4..000000000000 --- a/arch/mips/txx9/jmr3927/init.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ahennessy@mvista.com - * - * arch/mips/jmr3927/common/init.c - * - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 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, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include <linux/init.h> -#include <asm/bootinfo.h> -#include <asm/txx9/jmr3927.h> - -extern void __init prom_init_cmdline(void); - -const char *get_system_type(void) -{ - return "Toshiba" -#ifdef CONFIG_TOSHIBA_JMR3927 - " JMR_TX3927" -#endif - ; -} - -extern void puts(const char *cp); - -void __init prom_init(void) -{ -#ifdef CONFIG_TOSHIBA_JMR3927 - /* CCFG */ - if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0) - puts("Warning: TX3927 TLB off\n"); -#endif - - prom_init_cmdline(); - add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM); -} diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c index b97d22e15da6..070c9a115e57 100644 --- a/arch/mips/txx9/jmr3927/irq.c +++ b/arch/mips/txx9/jmr3927/irq.c @@ -39,6 +39,7 @@ #include <asm/system.h> #include <asm/processor.h> +#include <asm/txx9/generic.h> #include <asm/txx9/jmr3927.h> #if JMR3927_IRQ_END > NR_IRQS @@ -77,37 +78,30 @@ static void unmask_irq_ioc(unsigned int irq) (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR); } -asmlinkage void plat_irq_dispatch(void) -{ - unsigned long cp0_cause = read_c0_cause(); - int irq; - - if ((cp0_cause & CAUSEF_IP7) == 0) - return; - irq = (cp0_cause >> CAUSEB_IP2) & 0x0f; - - do_IRQ(irq + JMR3927_IRQ_IRC); -} - -static irqreturn_t jmr3927_ioc_interrupt(int irq, void *dev_id) +static int jmr3927_ioc_irqroute(void) { unsigned char istat = jmr3927_ioc_reg_in(JMR3927_IOC_INTS2_ADDR); int i; for (i = 0; i < JMR3927_NR_IRQ_IOC; i++) { - if (istat & (1 << i)) { - irq = JMR3927_IRQ_IOC + i; - do_IRQ(irq); - } + if (istat & (1 << i)) + return JMR3927_IRQ_IOC + i; } - return IRQ_HANDLED; + return -1; } -static struct irqaction ioc_action = { - .handler = jmr3927_ioc_interrupt, - .mask = CPU_MASK_NONE, - .name = "IOC", -}; +static int jmr3927_irq_dispatch(int pending) +{ + int irq; + + if ((pending & CAUSEF_IP7) == 0) + return -1; + irq = (pending >> CAUSEB_IP2) & 0x0f; + irq += JMR3927_IRQ_IRC; + if (irq == JMR3927_IRQ_IOCINT) + irq = jmr3927_ioc_irqroute(); + return irq; +} #ifdef CONFIG_PCI static irqreturn_t jmr3927_pcierr_interrupt(int irq, void *dev_id) @@ -127,8 +121,9 @@ static struct irqaction pcierr_action = { static void __init jmr3927_irq_init(void); -void __init arch_init_irq(void) +void __init jmr3927_irq_setup(void) { + txx9_irq_dispatch = jmr3927_irq_dispatch; /* Now, interrupt control disabled, */ /* all IRC interrupts are masked, */ /* all IRC interrupt mode are Low Active. */ @@ -146,7 +141,7 @@ void __init arch_init_irq(void) jmr3927_irq_init(); /* setup IOC interrupt 1 (PCI, MODEM) */ - setup_irq(JMR3927_IRQ_IOCINT, &ioc_action); + set_irq_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq); #ifdef CONFIG_PCI setup_irq(JMR3927_IRQ_IRC_PCI, &pcierr_action); diff --git a/arch/mips/txx9/jmr3927/prom.c b/arch/mips/txx9/jmr3927/prom.c index 8bc1049b622e..2cadb423face 100644 --- a/arch/mips/txx9/jmr3927/prom.c +++ b/arch/mips/txx9/jmr3927/prom.c @@ -35,42 +35,10 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/kernel.h> #include <linux/init.h> -#include <linux/string.h> - #include <asm/bootinfo.h> -#include <asm/txx9/tx3927.h> - -char * __init prom_getcmdline(void) -{ - return &(arcs_cmdline[0]); -} - -void __init prom_init_cmdline(void) -{ - char *cp; - int actr; - int prom_argc = fw_arg0; - char **prom_argv = (char **) fw_arg1; - - actr = 1; /* Always ignore argv[0] */ - - cp = &(arcs_cmdline[0]); - while(actr < prom_argc) { - strcpy(cp, prom_argv[actr]); - cp += strlen(prom_argv[actr]); - *cp++ = ' '; - actr++; - } - if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ - --cp; - *cp = '\0'; -} - -void __init prom_free_prom_memory(void) -{ -} +#include <asm/txx9/generic.h> +#include <asm/txx9/jmr3927.h> #define TIMEOUT 0xffffff @@ -96,3 +64,13 @@ puts(const char *cp) prom_putchar('\r'); prom_putchar('\n'); } + +void __init jmr3927_prom_init(void) +{ + /* CCFG */ + if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0) + puts("Warning: TX3927 TLB off\n"); + + prom_init_cmdline(); + add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM); +} diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c index baa8c8db9a94..128a4ae3e72e 100644 --- a/arch/mips/txx9/jmr3927/setup.c +++ b/arch/mips/txx9/jmr3927/setup.c @@ -34,15 +34,16 @@ #include <linux/delay.h> #include <linux/pm.h> #include <linux/platform_device.h> -#include <linux/clk.h> #include <linux/gpio.h> #ifdef CONFIG_SERIAL_TXX9 #include <linux/serial_core.h> #endif +#include <asm/bootinfo.h> #include <asm/txx9tmr.h> #include <asm/txx9pio.h> #include <asm/reboot.h> +#include <asm/txx9/generic.h> #include <asm/txx9/pci.h> #include <asm/txx9/jmr3927.h> #include <asm/mipsregs.h> @@ -83,7 +84,7 @@ static void jmr3927_machine_power_off(void) while (1); } -void __init plat_time_init(void) +static void __init jmr3927_time_init(void) { txx9_clockevent_init(TX3927_TMR_REG(0), TXX9_IRQ_BASE + JMR3927_IRQ_IRC_TMR(0), @@ -97,7 +98,7 @@ void __init plat_time_init(void) extern char * __init prom_getcmdline(void); static void jmr3927_board_init(void); -void __init plat_mem_setup(void) +static void __init jmr3927_mem_setup(void) { char *argptr; @@ -233,6 +234,8 @@ static void __init tx3927_setup(void) { int i; + txx9_cpu_clock = JMR3927_CORECLK; + txx9_gbus_clock = JMR3927_GBUSCLK; /* SDRAMC are configured by PROM */ /* ROMC */ @@ -336,7 +339,6 @@ static int __init jmr3927_rtc_init(void) dev = platform_device_register_simple("rtc-ds1742", -1, &res, 1); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } -device_initcall(jmr3927_rtc_init); /* Watchdog support */ @@ -356,36 +358,22 @@ static int __init jmr3927_wdt_init(void) { return txx9_wdt_init(TX3927_TMR_REG(2)); } -device_initcall(jmr3927_wdt_init); -/* Minimum CLK support */ - -struct clk *clk_get(struct device *dev, const char *id) -{ - if (!strcmp(id, "imbus_clk")) - return (struct clk *)JMR3927_IMCLK; - return ERR_PTR(-ENOENT); -} -EXPORT_SYMBOL(clk_get); - -int clk_enable(struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) +static void __init jmr3927_device_init(void) { + jmr3927_rtc_init(); + jmr3927_wdt_init(); } -EXPORT_SYMBOL(clk_disable); -unsigned long clk_get_rate(struct clk *clk) -{ - return (unsigned long)clk; -} -EXPORT_SYMBOL(clk_get_rate); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); +struct txx9_board_vec jmr3927_vec __initdata = { + .type = MACH_TOSHIBA_JMR3927, + .system = "Toshiba JMR_TX3927", + .prom_init = jmr3927_prom_init, + .mem_setup = jmr3927_mem_setup, + .irq_setup = jmr3927_irq_setup, + .time_init = jmr3927_time_init, + .device_init = jmr3927_device_init, +#ifdef CONFIG_PCI + .pci_map_irq = jmr3927_pci_map_irq, +#endif +}; diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c index bef1447aeed2..70f13211bc2a 100644 --- a/arch/mips/txx9/rbtx4927/irq.c +++ b/arch/mips/txx9/rbtx4927/irq.c @@ -111,17 +111,10 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB #include <linux/types.h> #include <linux/interrupt.h> #include <asm/io.h> +#include <asm/mipsregs.h> +#include <asm/txx9/generic.h> #include <asm/txx9/rbtx4927.h> -#define TOSHIBA_RBTX4927_IRQ_IOC_RAW_BEG 0 -#define TOSHIBA_RBTX4927_IRQ_IOC_RAW_END 7 - -#define TOSHIBA_RBTX4927_IRQ_IOC_BEG ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_BEG) /* 56 */ -#define TOSHIBA_RBTX4927_IRQ_IOC_END ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_END) /* 63 */ - -#define TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC TX4927_IRQ_NEST_EXT_ON_PIC -#define TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC (TOSHIBA_RBTX4927_IRQ_IOC_BEG+2) - static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq); @@ -136,34 +129,25 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = { #define TOSHIBA_RBTX4927_IOC_INTR_ENAB (void __iomem *)0xbc002000UL #define TOSHIBA_RBTX4927_IOC_INTR_STAT (void __iomem *)0xbc002006UL -int toshiba_rbtx4927_irq_nested(int sw_irq) +static int toshiba_rbtx4927_irq_nested(int sw_irq) { u8 level3; level3 = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f; if (level3) - sw_irq = TOSHIBA_RBTX4927_IRQ_IOC_BEG + fls(level3) - 1; + sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1; return (sw_irq); } -static struct irqaction toshiba_rbtx4927_irq_ioc_action = { - .handler = no_action, - .flags = IRQF_SHARED, - .mask = CPU_MASK_NONE, - .name = TOSHIBA_RBTX4927_IOC_NAME -}; - static void __init toshiba_rbtx4927_irq_ioc_init(void) { int i; - for (i = TOSHIBA_RBTX4927_IRQ_IOC_BEG; - i <= TOSHIBA_RBTX4927_IRQ_IOC_END; i++) + for (i = RBTX4927_IRQ_IOC; + i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++) set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type, handle_level_irq); - - setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC, - &toshiba_rbtx4927_irq_ioc_action); + set_irq_chained_handler(RBTX4927_IRQ_IOCINT, handle_simple_irq); } static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq) @@ -171,7 +155,7 @@ static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq) unsigned char v; v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB); - v |= (1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG)); + v |= (1 << (irq - RBTX4927_IRQ_IOC)); writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB); } @@ -180,15 +164,34 @@ static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq) unsigned char v; v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB); - v &= ~(1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG)); + v &= ~(1 << (irq - RBTX4927_IRQ_IOC)); writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB); mmiowb(); } -void __init arch_init_irq(void) + +static int rbtx4927_irq_dispatch(int pending) { - extern void tx4927_irq_init(void); + int irq; + + if (pending & STATUSF_IP7) /* cpu timer */ + irq = MIPS_CPU_IRQ_BASE + 7; + else if (pending & STATUSF_IP2) { /* tx4927 pic */ + irq = txx9_irq(); + if (irq == RBTX4927_IRQ_IOCINT) + irq = toshiba_rbtx4927_irq_nested(irq); + } else if (pending & STATUSF_IP0) /* user line 0 */ + irq = MIPS_CPU_IRQ_BASE + 0; + else if (pending & STATUSF_IP1) /* user line 1 */ + irq = MIPS_CPU_IRQ_BASE + 1; + else + irq = -1; + return irq; +} +void __init rbtx4927_irq_setup(void) +{ + txx9_irq_dispatch = rbtx4927_irq_dispatch; tx4927_irq_init(); toshiba_rbtx4927_irq_ioc_init(); /* Onboard 10M Ether: High Active */ diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c index 0020bbee838b..942e627d2dc1 100644 --- a/arch/mips/txx9/rbtx4927/prom.c +++ b/arch/mips/txx9/rbtx4927/prom.c @@ -30,62 +30,16 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/init.h> -#include <linux/string.h> #include <asm/bootinfo.h> -#include <asm/cpu.h> -#include <asm/mipsregs.h> -#include <asm/txx9/tx4927.h> +#include <asm/txx9/generic.h> +#include <asm/txx9/rbtx4927.h> -void __init prom_init_cmdline(void) -{ - int argc = (int) fw_arg0; - char **argv = (char **) fw_arg1; - int i; /* Always ignore the "-c" at argv[0] */ - - /* ignore all built-in args if any f/w args given */ - if (argc > 1) { - *arcs_cmdline = '\0'; - } - - for (i = 1; i < argc; i++) { - if (i != 1) { - strcat(arcs_cmdline, " "); - } - strcat(arcs_cmdline, argv[i]); - } -} - -void __init prom_init(void) +void __init rbtx4927_prom_init(void) { extern int tx4927_get_mem_size(void); - extern char* toshiba_name; int msize; prom_init_cmdline(); - - if ((read_c0_prid() & 0xff) == PRID_REV_TX4927) { - mips_machtype = MACH_TOSHIBA_RBTX4927; - toshiba_name = "TX4927"; - } else { - mips_machtype = MACH_TOSHIBA_RBTX4937; - toshiba_name = "TX4937"; - } - msize = tx4927_get_mem_size(); add_memory_region(0, msize << 20, BOOT_MEM_RAM); } - -void __init prom_free_prom_memory(void) -{ -} - -const char *get_system_type(void) -{ - return "Toshiba RBTX4927/RBTX4937"; -} - -char * __init prom_getcmdline(void) -{ - return &(arcs_cmdline[0]); -} - diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 86b870abc319..c3566c39c26c 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -49,7 +49,6 @@ #include <linux/interrupt.h> #include <linux/pm.h> #include <linux/platform_device.h> -#include <linux/clk.h> #include <linux/delay.h> #include <asm/bootinfo.h> @@ -76,8 +75,6 @@ char *prom_getcmdline(void); static int tx4927_ccfg_toeon = 1; -char *toshiba_name = ""; - #ifdef CONFIG_PCI static void __init tx4927_pci_setup(void) { @@ -171,15 +168,15 @@ static void __init tx4937_pci_setup(void) } } -static int __init rbtx4927_arch_init(void) +static void __init rbtx4927_arch_init(void) { if (mips_machtype == MACH_TOSHIBA_RBTX4937) tx4937_pci_setup(); else tx4927_pci_setup(); - return 0; } -arch_initcall(rbtx4927_arch_init); +#else +#define rbtx4927_arch_init NULL #endif /* CONFIG_PCI */ static void __noreturn wait_forever(void) @@ -223,14 +220,12 @@ void toshiba_rbtx4927_power_off(void) /* no return */ } -void __init plat_mem_setup(void) +static void __init rbtx4927_mem_setup(void) { int i; u32 cp0_config; char *argptr; - printk("CPU is %s\n", toshiba_name); - /* f/w leaves this on at startup */ clear_c0_status(ST0_ERL); @@ -323,7 +318,7 @@ void __init plat_mem_setup(void) req.iotype = UPIO_MEM; req.membase = (char *)(0xff1ff300 + i * 0x100); req.mapbase = 0xff1ff300 + i * 0x100; - req.irq = TX4927_IRQ_PIC_BEG + 8 + i; + req.irq = TXX9_IRQ_BASE + TX4927_IR_SIO(i); req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/; req.uartclk = 50000000; early_serial_txx9_setup(&req); @@ -352,7 +347,7 @@ void __init plat_mem_setup(void) #endif } -void __init plat_time_init(void) +static void __init rbtx4927_time_init(void) { mips_hpt_frequency = txx9_cpu_clock / 2; if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_TINTDIS) @@ -372,7 +367,6 @@ static int __init toshiba_rbtx4927_rtc_init(void) platform_device_register_simple("rtc-ds1742", -1, &res, 1); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } -device_initcall(toshiba_rbtx4927_rtc_init); static int __init rbtx4927_ne_init(void) { @@ -391,7 +385,6 @@ static int __init rbtx4927_ne_init(void) res, ARRAY_SIZE(res)); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } -device_initcall(rbtx4927_ne_init); /* Watchdog support */ @@ -411,36 +404,37 @@ static int __init rbtx4927_wdt_init(void) { return txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL); } -device_initcall(rbtx4927_wdt_init); - -/* Minimum CLK support */ - -struct clk *clk_get(struct device *dev, const char *id) -{ - if (!strcmp(id, "imbus_clk")) - return (struct clk *)50000000; - return ERR_PTR(-ENOENT); -} -EXPORT_SYMBOL(clk_get); - -int clk_enable(struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_enable); -void clk_disable(struct clk *clk) +static void __init rbtx4927_device_init(void) { + toshiba_rbtx4927_rtc_init(); + rbtx4927_ne_init(); + rbtx4927_wdt_init(); } -EXPORT_SYMBOL(clk_disable); -unsigned long clk_get_rate(struct clk *clk) -{ - return (unsigned long)clk; -} -EXPORT_SYMBOL(clk_get_rate); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); +struct txx9_board_vec rbtx4927_vec __initdata = { + .type = MACH_TOSHIBA_RBTX4927, + .system = "Toshiba RBTX4927", + .prom_init = rbtx4927_prom_init, + .mem_setup = rbtx4927_mem_setup, + .irq_setup = rbtx4927_irq_setup, + .time_init = rbtx4927_time_init, + .device_init = rbtx4927_device_init, + .arch_init = rbtx4927_arch_init, +#ifdef CONFIG_PCI + .pci_map_irq = rbtx4927_pci_map_irq, +#endif +}; +struct txx9_board_vec rbtx4937_vec __initdata = { + .type = MACH_TOSHIBA_RBTX4937, + .system = "Toshiba RBTX4937", + .prom_init = rbtx4927_prom_init, + .mem_setup = rbtx4927_mem_setup, + .irq_setup = rbtx4927_irq_setup, + .time_init = rbtx4927_time_init, + .device_init = rbtx4927_device_init, + .arch_init = rbtx4927_arch_init, +#ifdef CONFIG_PCI + .pci_map_irq = rbtx4927_pci_map_irq, +#endif +}; diff --git a/arch/mips/txx9/rbtx4938/irq.c b/arch/mips/txx9/rbtx4938/irq.c index f4984820251a..3971a061657a 100644 --- a/arch/mips/txx9/rbtx4938/irq.c +++ b/arch/mips/txx9/rbtx4938/irq.c @@ -66,6 +66,8 @@ IRQ Device */ #include <linux/init.h> #include <linux/interrupt.h> +#include <asm/mipsregs.h> +#include <asm/txx9/generic.h> #include <asm/txx9/rbtx4938.h> static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq); @@ -80,26 +82,17 @@ static struct irq_chip toshiba_rbtx4938_irq_ioc_type = { .unmask = toshiba_rbtx4938_irq_ioc_enable, }; -int -toshiba_rbtx4938_irq_nested(int sw_irq) +static int toshiba_rbtx4938_irq_nested(int sw_irq) { u8 level3; level3 = readb(rbtx4938_imstat_addr); if (level3) /* must use fls so onboard ATA has priority */ - sw_irq = TOSHIBA_RBTX4938_IRQ_IOC_BEG + fls(level3) - 1; - + sw_irq = RBTX4938_IRQ_IOC + fls(level3) - 1; return sw_irq; } -static struct irqaction toshiba_rbtx4938_irq_ioc_action = { - .handler = no_action, - .flags = 0, - .mask = CPU_MASK_NONE, - .name = TOSHIBA_RBTX4938_IOC_NAME, -}; - /**********************************************************************************/ /* Functions for ioc */ /**********************************************************************************/ @@ -108,13 +101,12 @@ toshiba_rbtx4938_irq_ioc_init(void) { int i; - for (i = TOSHIBA_RBTX4938_IRQ_IOC_BEG; - i <= TOSHIBA_RBTX4938_IRQ_IOC_END; i++) + for (i = RBTX4938_IRQ_IOC; + i < RBTX4938_IRQ_IOC + RBTX4938_NR_IRQ_IOC; i++) set_irq_chip_and_handler(i, &toshiba_rbtx4938_irq_ioc_type, handle_level_irq); - setup_irq(RBTX4938_IRQ_IOCINT, - &toshiba_rbtx4938_irq_ioc_action); + set_irq_chained_handler(RBTX4938_IRQ_IOCINT, handle_simple_irq); } static void @@ -123,7 +115,7 @@ toshiba_rbtx4938_irq_ioc_enable(unsigned int irq) unsigned char v; v = readb(rbtx4938_imask_addr); - v |= (1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG)); + v |= (1 << (irq - RBTX4938_IRQ_IOC)); writeb(v, rbtx4938_imask_addr); mmiowb(); } @@ -134,15 +126,33 @@ toshiba_rbtx4938_irq_ioc_disable(unsigned int irq) unsigned char v; v = readb(rbtx4938_imask_addr); - v &= ~(1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG)); + v &= ~(1 << (irq - RBTX4938_IRQ_IOC)); writeb(v, rbtx4938_imask_addr); mmiowb(); } -void __init arch_init_irq(void) +static int rbtx4938_irq_dispatch(int pending) { - extern void tx4938_irq_init(void); + int irq; + + if (pending & STATUSF_IP7) + irq = MIPS_CPU_IRQ_BASE + 7; + else if (pending & STATUSF_IP2) { + irq = txx9_irq(); + if (irq == RBTX4938_IRQ_IOCINT) + irq = toshiba_rbtx4938_irq_nested(irq); + } else if (pending & STATUSF_IP1) + irq = MIPS_CPU_IRQ_BASE + 0; + else if (pending & STATUSF_IP0) + irq = MIPS_CPU_IRQ_BASE + 1; + else + irq = -1; + return irq; +} +void __init rbtx4938_irq_setup(void) +{ + txx9_irq_dispatch = rbtx4938_irq_dispatch; /* Now, interrupt control disabled, */ /* all IRC interrupts are masked, */ /* all IRC interrupt mode are Low Active. */ diff --git a/arch/mips/txx9/rbtx4938/prom.c b/arch/mips/txx9/rbtx4938/prom.c index 134fcc2dc7d2..fbb37458ddb2 100644 --- a/arch/mips/txx9/rbtx4938/prom.c +++ b/arch/mips/txx9/rbtx4938/prom.c @@ -11,34 +11,12 @@ */ #include <linux/init.h> -#include <linux/mm.h> -#include <linux/sched.h> #include <linux/bootmem.h> - -#include <asm/addrspace.h> #include <asm/bootinfo.h> -#include <asm/txx9/tx4938.h> - -void __init prom_init_cmdline(void) -{ - int argc = (int) fw_arg0; - char **argv = (char **) fw_arg1; - int i; - - /* ignore all built-in args if any f/w args given */ - if (argc > 1) { - *arcs_cmdline = '\0'; - } - - for (i = 1; i < argc; i++) { - if (i != 1) { - strcat(arcs_cmdline, " "); - } - strcat(arcs_cmdline, argv[i]); - } -} +#include <asm/txx9/generic.h> +#include <asm/txx9/rbtx4938.h> -void __init prom_init(void) +void __init rbtx4938_prom_init(void) { extern int tx4938_get_mem_size(void); int msize; @@ -48,25 +26,4 @@ void __init prom_init(void) msize = tx4938_get_mem_size(); add_memory_region(0, msize << 20, BOOT_MEM_RAM); - - return; -} - -void __init prom_free_prom_memory(void) -{ -} - -void __init prom_fixup_mem_map(unsigned long start, unsigned long end) -{ - return; -} - -const char *get_system_type(void) -{ - return "Toshiba RBTX4938"; -} - -char * __init prom_getcmdline(void) -{ - return &(arcs_cmdline[0]); } diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c index 144d2cada820..8306ba333dda 100644 --- a/arch/mips/txx9/rbtx4938/setup.c +++ b/arch/mips/txx9/rbtx4938/setup.c @@ -17,7 +17,6 @@ #include <linux/console.h> #include <linux/pm.h> #include <linux/platform_device.h> -#include <linux/clk.h> #include <linux/gpio.h> #include <asm/reboot.h> @@ -147,9 +146,9 @@ static void __init rbtx4938_pci_setup(void) #define SEEPROM3_CS 1 /* IOC */ #define SRTC_CS 2 /* IOC */ -#ifdef CONFIG_PCI static int __init rbtx4938_ethaddr_init(void) { +#ifdef CONFIG_PCI unsigned char dat[17]; unsigned char sum; int i; @@ -179,10 +178,9 @@ static int __init rbtx4938_ethaddr_init(void) platform_device_add(pdev)) platform_device_put(pdev); } +#endif /* CONFIG_PCI */ return 0; } -device_initcall(rbtx4938_ethaddr_init); -#endif /* CONFIG_PCI */ static void __init rbtx4938_spi_setup(void) { @@ -366,7 +364,7 @@ void __init tx4938_board_setup(void) #endif } -void __init plat_time_init(void) +static void __init rbtx4938_time_init(void) { mips_hpt_frequency = txx9_cpu_clock / 2; if (____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_TINTDIS) @@ -375,7 +373,7 @@ void __init plat_time_init(void) txx9_gbus_clock / 2); } -void __init plat_mem_setup(void) +static void __init rbtx4938_mem_setup(void) { unsigned long long pcfg; char *argptr; @@ -496,7 +494,6 @@ static int __init rbtx4938_ne_init(void) res, ARRAY_SIZE(res)); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } -device_initcall(rbtx4938_ne_init); /* GPIO support */ @@ -587,14 +584,13 @@ static int __init rbtx4938_spi_init(void) return 0; } -static int __init rbtx4938_arch_init(void) +static void __init rbtx4938_arch_init(void) { txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, 16); gpiochip_add(&rbtx4938_spi_gpio_chip); rbtx4938_pci_setup(); - return rbtx4938_spi_init(); + rbtx4938_spi_init(); } -arch_initcall(rbtx4938_arch_init); /* Watchdog support */ @@ -614,38 +610,24 @@ static int __init rbtx4938_wdt_init(void) { return txx9_wdt_init(TX4938_TMR_REG(2) & 0xfffffffffULL); } -device_initcall(rbtx4938_wdt_init); - -/* Minimum CLK support */ - -struct clk *clk_get(struct device *dev, const char *id) -{ - if (!strcmp(id, "spi-baseclk")) - return (struct clk *)(txx9_gbus_clock / 2 / 4); - if (!strcmp(id, "imbus_clk")) - return (struct clk *)(txx9_gbus_clock / 2); - return ERR_PTR(-ENOENT); -} -EXPORT_SYMBOL(clk_get); - -int clk_enable(struct clk *clk) -{ - return 0; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_disable); -unsigned long clk_get_rate(struct clk *clk) +static void __init rbtx4938_device_init(void) { - return (unsigned long)clk; + rbtx4938_ethaddr_init(); + rbtx4938_ne_init(); + rbtx4938_wdt_init(); } -EXPORT_SYMBOL(clk_get_rate); -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); +struct txx9_board_vec rbtx4938_vec __initdata = { + .type = MACH_TOSHIBA_RBTX4938, + .system = "Toshiba RBTX4938", + .prom_init = rbtx4938_prom_init, + .mem_setup = rbtx4938_mem_setup, + .irq_setup = rbtx4938_irq_setup, + .time_init = rbtx4938_time_init, + .device_init = rbtx4938_device_init, + .arch_init = rbtx4938_arch_init, +#ifdef CONFIG_PCI + .pci_map_irq = rbtx4938_pci_map_irq, +#endif +}; diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index 2ff6c2002204..6cd147764f19 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -20,4 +20,22 @@ extern unsigned int txx9_master_clock; extern unsigned int txx9_cpu_clock; extern unsigned int txx9_gbus_clock; +struct pci_dev; +struct txx9_board_vec { + unsigned long type; + const char *system; + void (*prom_init)(void); + void (*mem_setup)(void); + void (*irq_setup)(void); + void (*time_init)(void); + void (*arch_init)(void); + void (*device_init)(void); +#ifdef CONFIG_PCI + int (*pci_map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); +#endif +}; +extern struct txx9_board_vec *txx9_board_vec; +extern int (*txx9_irq_dispatch)(int pending); +void prom_init_cmdline(void); + #endif /* __ASM_TXX9_GENERIC_H */ diff --git a/include/asm-mips/txx9/jmr3927.h b/include/asm-mips/txx9/jmr3927.h index 29e54981a86e..d6eb1b6a54eb 100644 --- a/include/asm-mips/txx9/jmr3927.h +++ b/include/asm-mips/txx9/jmr3927.h @@ -174,4 +174,9 @@ * INT[3:0] */ +void jmr3927_prom_init(void); +void jmr3927_irq_setup(void); +struct pci_dev; +int jmr3927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); + #endif /* __ASM_TXX9_JMR3927_H */ diff --git a/include/asm-mips/txx9/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h index 5b6f488b1b3c..bf194589216f 100644 --- a/include/asm-mips/txx9/rbtx4927.h +++ b/include/asm-mips/txx9/rbtx4927.h @@ -46,12 +46,16 @@ #define RBTX4927_INTF_PCIB (1 << RBTX4927_INTB_PCIB) #define RBTX4927_INTF_PCIA (1 << RBTX4927_INTB_PCIA) -#define RBTX4927_IRQ_IOC (TX4927_IRQ_PIC_BEG + TX4927_NUM_IR) +#define RBTX4927_NR_IRQ_IOC 8 /* IOC */ + +#define RBTX4927_IRQ_IOC (TXX9_IRQ_BASE + TX4927_NUM_IR) #define RBTX4927_IRQ_IOC_PCID (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCID) #define RBTX4927_IRQ_IOC_PCIC (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIC) #define RBTX4927_IRQ_IOC_PCIB (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIB) #define RBTX4927_IRQ_IOC_PCIA (RBTX4927_IRQ_IOC + RBTX4927_INTB_PCIA) +#define RBTX4927_IRQ_IOCINT (TXX9_IRQ_BASE + TX4927_IR_INT(1)) + #ifdef CONFIG_PCI #define RBTX4927_ISA_IO_OFFSET RBTX4927_PCIIO #else @@ -65,8 +69,11 @@ #define RBTX4927_SW_RESET_ENABLE_SET 0x01 #define RBTX4927_RTL_8019_BASE (0x1c020280 - RBTX4927_ISA_IO_OFFSET) -#define RBTX4927_RTL_8019_IRQ (TX4927_IRQ_PIC_BEG + 5) +#define RBTX4927_RTL_8019_IRQ (TXX9_IRQ_BASE + TX4927_IR_INT(3)) -int toshiba_rbtx4927_irq_nested(int sw_irq); +void rbtx4927_prom_init(void); +void rbtx4927_irq_setup(void); +struct pci_dev; +int rbtx4927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); #endif /* __ASM_TXX9_RBTX4927_H */ diff --git a/include/asm-mips/txx9/rbtx4938.h b/include/asm-mips/txx9/rbtx4938.h index 8450f735d056..2f5d5e705a41 100644 --- a/include/asm-mips/txx9/rbtx4938.h +++ b/include/asm-mips/txx9/rbtx4938.h @@ -101,35 +101,12 @@ * that particular IRQ on an RBTX4938 machine. Add new 'spaces' as new * IRQ hardware is supported. */ -#define RBTX4938_NR_IRQ_LOCAL 8 -#define RBTX4938_NR_IRQ_IRC 32 /* On-Chip IRC */ #define RBTX4938_NR_IRQ_IOC 8 -#define TX4938_IRQ_CP0_BEG MIPS_CPU_IRQ_BASE -#define TX4938_IRQ_CP0_END (MIPS_CPU_IRQ_BASE + 8 - 1) - -#define TX4938_IRQ_PIC_BEG TXX9_IRQ_BASE -#define TX4938_IRQ_PIC_END (TXX9_IRQ_BASE + TXx9_MAX_IR - 1) -#define TX4938_IRQ_NEST_EXT_ON_PIC (TX4938_IRQ_PIC_BEG+2) -#define TX4938_IRQ_NEST_PIC_ON_CP0 (TX4938_IRQ_CP0_BEG+2) -#define TX4938_IRQ_USER0 (TX4938_IRQ_CP0_BEG+0) -#define TX4938_IRQ_USER1 (TX4938_IRQ_CP0_BEG+1) -#define TX4938_IRQ_CPU_TIMER (TX4938_IRQ_CP0_BEG+7) - -#define TOSHIBA_RBTX4938_IRQ_IOC_RAW_BEG 0 -#define TOSHIBA_RBTX4938_IRQ_IOC_RAW_END 7 - -#define TOSHIBA_RBTX4938_IRQ_IOC_BEG ((TX4938_IRQ_PIC_END+1)+TOSHIBA_RBTX4938_IRQ_IOC_RAW_BEG) /* 56 */ -#define TOSHIBA_RBTX4938_IRQ_IOC_END ((TX4938_IRQ_PIC_END+1)+TOSHIBA_RBTX4938_IRQ_IOC_RAW_END) /* 63 */ -#define RBTX4938_IRQ_LOCAL TX4938_IRQ_CP0_BEG -#define RBTX4938_IRQ_IRC (RBTX4938_IRQ_LOCAL + RBTX4938_NR_IRQ_LOCAL) -#define RBTX4938_IRQ_IOC (RBTX4938_IRQ_IRC + RBTX4938_NR_IRQ_IRC) +#define RBTX4938_IRQ_IRC TXX9_IRQ_BASE +#define RBTX4938_IRQ_IOC (TXX9_IRQ_BASE + TX4938_NUM_IR) #define RBTX4938_IRQ_END (RBTX4938_IRQ_IOC + RBTX4938_NR_IRQ_IOC) -#define RBTX4938_IRQ_LOCAL_SOFT0 (RBTX4938_IRQ_LOCAL + RBTX4938_SOFT_INT0) -#define RBTX4938_IRQ_LOCAL_SOFT1 (RBTX4938_IRQ_LOCAL + RBTX4938_SOFT_INT1) -#define RBTX4938_IRQ_LOCAL_IRC (RBTX4938_IRQ_LOCAL + RBTX4938_IRC_INT) -#define RBTX4938_IRQ_LOCAL_TIMER (RBTX4938_IRQ_LOCAL + RBTX4938_TIMER_INT) #define RBTX4938_IRQ_IRC_ECCERR (RBTX4938_IRQ_IRC + TX4938_IR_ECCERR) #define RBTX4938_IRQ_IRC_WTOERR (RBTX4938_IRQ_IRC + TX4938_IR_WTOERR) #define RBTX4938_IRQ_IRC_INT(n) (RBTX4938_IRQ_IRC + TX4938_IR_INT(n)) @@ -157,11 +134,16 @@ /* IOC (PCI, etc) */ -#define RBTX4938_IRQ_IOCINT (TX4938_IRQ_NEST_EXT_ON_PIC) +#define RBTX4938_IRQ_IOCINT (TXX9_IRQ_BASE + TX4938_IR_INT(0)) /* Onboard 10M Ether */ -#define RBTX4938_IRQ_ETHER (TX4938_IRQ_NEST_EXT_ON_PIC + 1) +#define RBTX4938_IRQ_ETHER (TXX9_IRQ_BASE + TX4938_IR_INT(1)) #define RBTX4938_RTL_8019_BASE (RBTX4938_ETHER_ADDR - mips_io_port_base) #define RBTX4938_RTL_8019_IRQ (RBTX4938_IRQ_ETHER) +void rbtx4938_prom_init(void); +void rbtx4938_irq_setup(void); +struct pci_dev; +int rbtx4938_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); + #endif /* __ASM_TXX9_RBTX4938_H */ diff --git a/include/asm-mips/txx9/tx4927.h b/include/asm-mips/txx9/tx4927.h index c0382fd2ae7f..46d60afc038b 100644 --- a/include/asm-mips/txx9/tx4927.h +++ b/include/asm-mips/txx9/tx4927.h @@ -32,20 +32,6 @@ #include <asm/txx9irq.h> #include <asm/txx9/tx4927pcic.h> -#define TX4927_IRQ_CP0_BEG MIPS_CPU_IRQ_BASE -#define TX4927_IRQ_CP0_END (MIPS_CPU_IRQ_BASE + 8 - 1) - -#define TX4927_IRQ_PIC_BEG TXX9_IRQ_BASE -#define TX4927_IRQ_PIC_END (TXX9_IRQ_BASE + TXx9_MAX_IR - 1) - - -#define TX4927_IRQ_USER0 (TX4927_IRQ_CP0_BEG+0) -#define TX4927_IRQ_USER1 (TX4927_IRQ_CP0_BEG+1) -#define TX4927_IRQ_NEST_PIC_ON_CP0 (TX4927_IRQ_CP0_BEG+2) -#define TX4927_IRQ_CPU_TIMER (TX4927_IRQ_CP0_BEG+7) - -#define TX4927_IRQ_NEST_EXT_ON_PIC (TX4927_IRQ_PIC_BEG+3) - #define TX4927_SDRAMC_REG 0xff1f8000 #define TX4927_EBUSC_REG 0xff1f9000 #define TX4927_PCIC_REG 0xff1fd000 @@ -54,10 +40,14 @@ #define TX4927_NR_TMR 3 #define TX4927_TMR_REG(ch) (0xff1ff000 + (ch) * 0x100) +#define TX4927_IR_INT(n) (2 + (n)) +#define TX4927_IR_SIO(n) (8 + (n)) #define TX4927_IR_PCIC 16 #define TX4927_IR_PCIERR 22 #define TX4927_NUM_IR 32 +#define TX4927_IRC_INT 2 /* IP[2] in Status register */ + struct tx4927_sdramc_reg { volatile unsigned long long cr[4]; volatile unsigned long long unused0[4]; @@ -224,5 +214,6 @@ static inline void tx4927_ccfg_change(__u64 change, __u64 new) int tx4927_report_pciclk(void); int tx4927_pciclk66_setup(void); +void tx4927_irq_init(void); #endif /* __ASM_TXX9_TX4927_H */ diff --git a/include/asm-mips/txx9/tx4938.h b/include/asm-mips/txx9/tx4938.h index 0bb891993b08..12de68a4c10a 100644 --- a/include/asm-mips/txx9/tx4938.h +++ b/include/asm-mips/txx9/tx4938.h @@ -18,11 +18,6 @@ #define tx4938_read_nfmc(addr) (*(volatile unsigned int *)(addr)) #define tx4938_write_nfmc(b, addr) (*(volatile unsigned int *)(addr)) = (b) -#define TX4938_NR_IRQ_LOCAL TX4938_IRQ_PIC_BEG - -#define TX4938_IRQ_IRC_PCIC (TX4938_NR_IRQ_LOCAL + TX4938_IR_PCIC) -#define TX4938_IRQ_IRC_PCIERR (TX4938_NR_IRQ_LOCAL + TX4938_IR_PCIERR) - #define TX4938_PCIIO_0 0x10000000 #define TX4938_PCIIO_1 0x01010000 #define TX4938_PCIMEM_0 0x08000000 @@ -271,6 +266,8 @@ struct tx4938_ccfg_reg { #define TX4938_IR_ETH0 TX4938_IR_INT(4) #define TX4938_IR_ETH1 TX4938_IR_INT(3) +#define TX4938_IRC_INT 2 /* IP[2] in Status register */ + /* * CCFG */ @@ -463,5 +460,6 @@ void tx4938_report_pci1clk(void); int tx4938_pciclk66_setup(void); struct pci_dev; int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot); +void tx4938_irq_init(void); #endif |