diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-29 23:32:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-29 23:32:53 -0700 |
commit | 8f57be8ee44d92ef161c5af685aedbb717db96e0 (patch) | |
tree | d44a1cf0843390c6ff679f15e052ae1fc87680a8 /arch/arm/mach-at91/include/mach | |
parent | cb7dee8d22f3e9320424e769d860fbd9712a0666 (diff) | |
parent | fb149f9e2835446e02e796081635520b881dc351 (diff) | |
download | op-kernel-dev-8f57be8ee44d92ef161c5af685aedbb717db96e0.zip op-kernel-dev-8f57be8ee44d92ef161c5af685aedbb717db96e0.tar.gz |
Merge branch 'at91/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'at91/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc:
at91: add arch specific ioremap support
at91: factorize sram init
at91: move register clocks to soc generic init
at91: move clock subsystem init to soc generic init
at91: use structure to store the current soc
at91: remove AT91_DBGU offset from dbgu register macro
at91: factorize at91 interrupts init to soc
at91: introduce commom AT91_BASE_SYS
Diffstat (limited to 'arch/arm/mach-at91/include/mach')
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91_dbgu.h | 27 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91cap9.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91rm9200.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91sam9260.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91sam9261.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91sam9263.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91sam9g45.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91sam9rl.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/cpu.h | 159 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/debug-macro.S | 14 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/hardware.h | 14 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/io.h | 11 |
12 files changed, 135 insertions, 97 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_dbgu.h b/arch/arm/mach-at91/include/mach/at91_dbgu.h index 6dcaa77..dbfe455a 100644 --- a/arch/arm/mach-at91/include/mach/at91_dbgu.h +++ b/arch/arm/mach-at91/include/mach/at91_dbgu.h @@ -16,22 +16,25 @@ #ifndef AT91_DBGU_H #define AT91_DBGU_H +#define dbgu_readl(dbgu, field) \ + __raw_readl(AT91_VA_BASE_SYS + dbgu + AT91_DBGU_ ## field) + #ifdef AT91_DBGU -#define AT91_DBGU_CR (AT91_DBGU + 0x00) /* Control Register */ -#define AT91_DBGU_MR (AT91_DBGU + 0x04) /* Mode Register */ -#define AT91_DBGU_IER (AT91_DBGU + 0x08) /* Interrupt Enable Register */ +#define AT91_DBGU_CR (0x00) /* Control Register */ +#define AT91_DBGU_MR (0x04) /* Mode Register */ +#define AT91_DBGU_IER (0x08) /* Interrupt Enable Register */ #define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */ #define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */ -#define AT91_DBGU_IDR (AT91_DBGU + 0x0c) /* Interrupt Disable Register */ -#define AT91_DBGU_IMR (AT91_DBGU + 0x10) /* Interrupt Mask Register */ -#define AT91_DBGU_SR (AT91_DBGU + 0x14) /* Status Register */ -#define AT91_DBGU_RHR (AT91_DBGU + 0x18) /* Receiver Holding Register */ -#define AT91_DBGU_THR (AT91_DBGU + 0x1c) /* Transmitter Holding Register */ -#define AT91_DBGU_BRGR (AT91_DBGU + 0x20) /* Baud Rate Generator Register */ +#define AT91_DBGU_IDR (0x0c) /* Interrupt Disable Register */ +#define AT91_DBGU_IMR (0x10) /* Interrupt Mask Register */ +#define AT91_DBGU_SR (0x14) /* Status Register */ +#define AT91_DBGU_RHR (0x18) /* Receiver Holding Register */ +#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */ +#define AT91_DBGU_BRGR (0x20) /* Baud Rate Generator Register */ -#define AT91_DBGU_CIDR (AT91_DBGU + 0x40) /* Chip ID Register */ -#define AT91_DBGU_EXID (AT91_DBGU + 0x44) /* Chip ID Extension Register */ -#define AT91_DBGU_FNR (AT91_DBGU + 0x48) /* Force NTRST Register [SAM9 only] */ +#define AT91_DBGU_CIDR (0x40) /* Chip ID Register */ +#define AT91_DBGU_EXID (0x44) /* Chip ID Extension Register */ +#define AT91_DBGU_FNR (0x48) /* Force NTRST Register [SAM9 only] */ #define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */ #endif /* AT91_DBGU */ diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h index 6659938..c5df1e8 100644 --- a/arch/arm/mach-at91/include/mach/at91cap9.h +++ b/arch/arm/mach-at91/include/mach/at91cap9.h @@ -75,7 +75,6 @@ #define AT91CAP9_BASE_EMAC 0xfffbc000 #define AT91CAP9_BASE_ADC 0xfffc0000 #define AT91CAP9_BASE_ISI 0xfffc4000 -#define AT91_BASE_SYS 0xffffe200 /* * System Peripherals (offset from AT91_BASE_SYS) diff --git a/arch/arm/mach-at91/include/mach/at91rm9200.h b/arch/arm/mach-at91/include/mach/at91rm9200.h index 99e0f8d..e4037b5 100644 --- a/arch/arm/mach-at91/include/mach/at91rm9200.h +++ b/arch/arm/mach-at91/include/mach/at91rm9200.h @@ -74,7 +74,6 @@ #define AT91RM9200_BASE_SSC1 0xfffd4000 #define AT91RM9200_BASE_SSC2 0xfffd8000 #define AT91RM9200_BASE_SPI 0xfffe0000 -#define AT91_BASE_SYS 0xfffff000 /* diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h index 8b6bf83..9a79116 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9260.h +++ b/arch/arm/mach-at91/include/mach/at91sam9260.h @@ -76,7 +76,6 @@ #define AT91SAM9260_BASE_TC4 0xfffdc040 #define AT91SAM9260_BASE_TC5 0xfffdc080 #define AT91SAM9260_BASE_ADC 0xfffe0000 -#define AT91_BASE_SYS 0xffffe800 /* * System Peripherals (offset from AT91_BASE_SYS) diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h index eafbdda..ce59620 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9261.h +++ b/arch/arm/mach-at91/include/mach/at91sam9261.h @@ -60,7 +60,6 @@ #define AT91SAM9261_BASE_SSC2 0xfffc4000 #define AT91SAM9261_BASE_SPI0 0xfffc8000 #define AT91SAM9261_BASE_SPI1 0xfffcc000 -#define AT91_BASE_SYS 0xffffea00 /* diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h index e2d3482..f1b9296 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9263.h +++ b/arch/arm/mach-at91/include/mach/at91sam9263.h @@ -70,7 +70,6 @@ #define AT91SAM9263_BASE_EMAC 0xfffbc000 #define AT91SAM9263_BASE_ISI 0xfffc4000 #define AT91SAM9263_BASE_2DGE 0xfffc8000 -#define AT91_BASE_SYS 0xffffe000 /* * System Peripherals (offset from AT91_BASE_SYS) diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index 659304a..2c611b9 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -82,7 +82,6 @@ #define AT91SAM9G45_BASE_TC3 0xfffd4000 #define AT91SAM9G45_BASE_TC4 0xfffd4040 #define AT91SAM9G45_BASE_TC5 0xfffd4080 -#define AT91_BASE_SYS 0xffffe200 /* * System Peripherals (offset from AT91_BASE_SYS) diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h index 41dbbe6..1aabacd 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9rl.h +++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h @@ -64,7 +64,6 @@ #define AT91SAM9RL_BASE_TSC 0xfffd0000 #define AT91SAM9RL_BASE_UDPHS 0xfffd4000 #define AT91SAM9RL_BASE_AC97C 0xfffd8000 -#define AT91_BASE_SYS 0xffffc000 /* diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index df966c2..f6ce936 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -1,7 +1,8 @@ /* * arch/arm/mach-at91/include/mach/cpu.h * - * Copyright (C) 2006 SAN People + * Copyright (C) 2006 SAN People + * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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 @@ -10,12 +11,8 @@ * */ -#ifndef __ASM_ARCH_CPU_H -#define __ASM_ARCH_CPU_H - -#include <mach/hardware.h> -#include <mach/at91_dbgu.h> - +#ifndef __MACH_CPU_H__ +#define __MACH_CPU_H__ #define ARCH_ID_AT91RM9200 0x09290780 #define ARCH_ID_AT91SAM9260 0x019803a0 @@ -39,16 +36,6 @@ #define ARCH_ID_AT91M40807 0x14080745 #define ARCH_ID_AT91R40008 0x44000840 -static inline unsigned long at91_cpu_identify(void) -{ - return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); -} - -static inline unsigned long at91_cpu_fully_identify(void) -{ - return at91_sys_read(AT91_DBGU_CIDR); -} - #define ARCH_EXID_AT91SAM9M11 0x00000001 #define ARCH_EXID_AT91SAM9M10 0x00000002 #define ARCH_EXID_AT91SAM9G46 0x00000003 @@ -60,40 +47,80 @@ static inline unsigned long at91_cpu_fully_identify(void) #define ARCH_EXID_AT91SAM9G25 0x00000003 #define ARCH_EXID_AT91SAM9X25 0x00000004 -static inline unsigned long at91_exid_identify(void) -{ - return at91_sys_read(AT91_DBGU_EXID); -} - - #define ARCH_FAMILY_AT91X92 0x09200000 #define ARCH_FAMILY_AT91SAM9 0x01900000 #define ARCH_FAMILY_AT91SAM9XE 0x02900000 -static inline unsigned long at91_arch_identify(void) -{ - return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH); -} - -#ifdef CONFIG_ARCH_AT91CAP9 -#include <mach/at91_pmc.h> - +/* PMC revision */ #define ARCH_REVISION_CAP9_B 0x399 #define ARCH_REVISION_CAP9_C 0x601 -static inline unsigned long at91cap9_rev_identify(void) +/* RM9200 type */ +#define ARCH_REVISON_9200_BGA (0 << 0) +#define ARCH_REVISON_9200_PQFP (1 << 0) + +enum at91_soc_type { + /* 920T */ + AT91_SOC_RM9200, + + /* CAP */ + AT91_SOC_CAP9, + + /* SAM92xx */ + AT91_SOC_SAM9260, AT91_SOC_SAM9261, AT91_SOC_SAM9263, + + /* SAM9Gxx */ + AT91_SOC_SAM9G10, AT91_SOC_SAM9G20, AT91_SOC_SAM9G45, + + /* SAM9RL */ + AT91_SOC_SAM9RL, + + /* SAM9X5 */ + AT91_SOC_SAM9X5, + + /* Unknown type */ + AT91_SOC_NONE +}; + +enum at91_soc_subtype { + /* RM9200 */ + AT91_SOC_RM9200_BGA, AT91_SOC_RM9200_PQFP, + + /* CAP9 */ + AT91_SOC_CAP9_REV_B, AT91_SOC_CAP9_REV_C, + + /* SAM9260 */ + AT91_SOC_SAM9XE, + + /* SAM9G45 */ + AT91_SOC_SAM9G45ES, AT91_SOC_SAM9M10, AT91_SOC_SAM9G46, AT91_SOC_SAM9M11, + + /* SAM9X5 */ + AT91_SOC_SAM9G15, AT91_SOC_SAM9G35, AT91_SOC_SAM9X35, + AT91_SOC_SAM9G25, AT91_SOC_SAM9X25, + + /* Unknown subtype */ + AT91_SOC_SUBTYPE_NONE +}; + +struct at91_socinfo { + unsigned int type, subtype; + unsigned int cidr, exid; +}; + +extern struct at91_socinfo at91_soc_initdata; +const char *at91_get_soc_type(struct at91_socinfo *c); +const char *at91_get_soc_subtype(struct at91_socinfo *c); + +static inline int at91_soc_is_detected(void) { - return (at91_sys_read(AT91_PMC_VER)); + return at91_soc_initdata.type != AT91_SOC_NONE; } -#endif #ifdef CONFIG_ARCH_AT91RM9200 -extern int rm9200_type; -#define ARCH_REVISON_9200_BGA (0 << 0) -#define ARCH_REVISON_9200_PQFP (1 << 0) -#define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) -#define cpu_is_at91rm9200_bga() (!cpu_is_at91rm9200_pqfp()) -#define cpu_is_at91rm9200_pqfp() (cpu_is_at91rm9200() && rm9200_type & ARCH_REVISON_9200_PQFP) +#define cpu_is_at91rm9200() (at91_soc_initdata.type == AT91_SOC_RM9200) +#define cpu_is_at91rm9200_bga() (at91_soc_initdata.subtype == AT91_SOC_RM9200_BGA) +#define cpu_is_at91rm9200_pqfp() (at91_soc_initdata.subtype == AT91_SOC_RM9200_PQFP) #else #define cpu_is_at91rm9200() (0) #define cpu_is_at91rm9200_bga() (0) @@ -101,52 +128,49 @@ extern int rm9200_type; #endif #ifdef CONFIG_ARCH_AT91SAM9260 -#define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE) -#define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe()) +#define cpu_is_at91sam9xe() (at91_soc_initdata.subtype == AT91_SOC_SAM9XE) +#define cpu_is_at91sam9260() (at91_soc_initdata.type == AT91_SOC_SAM9260) #else #define cpu_is_at91sam9xe() (0) #define cpu_is_at91sam9260() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9G20 -#define cpu_is_at91sam9g20() (at91_cpu_identify() == ARCH_ID_AT91SAM9G20) +#define cpu_is_at91sam9g20() (at91_soc_initdata.type == AT91_SOC_SAM9G20) #else #define cpu_is_at91sam9g20() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9261 -#define cpu_is_at91sam9261() (at91_cpu_identify() == ARCH_ID_AT91SAM9261) +#define cpu_is_at91sam9261() (at91_soc_initdata.type == AT91_SOC_SAM9261) #else #define cpu_is_at91sam9261() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9G10 -#define cpu_is_at91sam9g10() ((at91_cpu_identify() & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) +#define cpu_is_at91sam9g10() (at91_soc_initdata.type == AT91_SOC_SAM9G10) #else #define cpu_is_at91sam9g10() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9263 -#define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263) +#define cpu_is_at91sam9263() (at91_soc_initdata.type == AT91_SOC_SAM9263) #else #define cpu_is_at91sam9263() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9RL -#define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64) +#define cpu_is_at91sam9rl() (at91_soc_initdata.type == AT91_SOC_SAM9RL) #else #define cpu_is_at91sam9rl() (0) #endif #ifdef CONFIG_ARCH_AT91SAM9G45 -#define cpu_is_at91sam9g45() (at91_cpu_identify() == ARCH_ID_AT91SAM9G45) -#define cpu_is_at91sam9g45es() (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES) -#define cpu_is_at91sam9m10() (cpu_is_at91sam9g45() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9M10)) -#define cpu_is_at91sam9m46() (cpu_is_at91sam9g45() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G46)) -#define cpu_is_at91sam9m11() (cpu_is_at91sam9g45() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9M11)) +#define cpu_is_at91sam9g45() (at91_soc_initdata.type == AT91_SOC_SAM9G45) +#define cpu_is_at91sam9g45es() (at91_soc_initdata.subtype == AT91_SOC_SAM9G45ES) +#define cpu_is_at91sam9m10() (at91_soc_initdata.subtype == AT91_SOC_SAM9M10) +#define cpu_is_at91sam9g46() (at91_soc_initdata.subtype == AT91_SOC_SAM9G46) +#define cpu_is_at91sam9m11() (at91_soc_initdata.subtype == AT91_SOC_SAM9M11) #else #define cpu_is_at91sam9g45() (0) #define cpu_is_at91sam9g45es() (0) @@ -156,17 +180,12 @@ extern int rm9200_type; #endif #ifdef CONFIG_ARCH_AT91SAM9X5 -#define cpu_is_at91sam9x5() (at91_cpu_identify() == ARCH_ID_AT91SAM9X5) -#define cpu_is_at91sam9g15() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G15)) -#define cpu_is_at91sam9g35() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G35)) -#define cpu_is_at91sam9x35() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9X35)) -#define cpu_is_at91sam9g25() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9G25)) -#define cpu_is_at91sam9x25() (cpu_is_at91sam9x5() && \ - (at91_exid_identify() == ARCH_EXID_AT91SAM9X25)) +#define cpu_is_at91sam9x5() (at91_soc_initdata.type == AT91_SOC_SAM9X5) +#define cpu_is_at91sam9g15() (at91_soc_initdata.subtype == AT91_SOC_SAM9G15) +#define cpu_is_at91sam9g35() (at91_soc_initdata.subtype == AT91_SOC_SAM9G35) +#define cpu_is_at91sam9x35() (at91_soc_initdata.subtype == AT91_SOC_SAM9X35) +#define cpu_is_at91sam9g25() (at91_soc_initdata.subtype == AT91_SOC_SAM9G25) +#define cpu_is_at91sam9x25() (at91_soc_initdata.subtype == AT91_SOC_SAM9X25) #else #define cpu_is_at91sam9x5() (0) #define cpu_is_at91sam9g15() (0) @@ -177,9 +196,9 @@ extern int rm9200_type; #endif #ifdef CONFIG_ARCH_AT91CAP9 -#define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) -#define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B) -#define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C) +#define cpu_is_at91cap9() (at91_soc_initdata.type == AT91_SOC_CAP9) +#define cpu_is_at91cap9_revB() (at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_B) +#define cpu_is_at91cap9_revC() (at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_C) #else #define cpu_is_at91cap9() (0) #define cpu_is_at91cap9_revB() (0) @@ -192,4 +211,4 @@ extern int rm9200_type; */ #define cpu_is_at32ap7000() (0) -#endif +#endif /* __MACH_CPU_H__ */ diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S index 0f959fa..bc1e0b2 100644 --- a/arch/arm/mach-at91/include/mach/debug-macro.S +++ b/arch/arm/mach-at91/include/mach/debug-macro.S @@ -15,23 +15,23 @@ #include <mach/at91_dbgu.h> .macro addruart, rp, rv - ldr \rp, =(AT91_BASE_SYS + AT91_DBGU) @ System peripherals (phys address) - ldr \rv, =(AT91_VA_BASE_SYS + AT91_DBGU) @ System peripherals (virt address) + ldr \rp, =(AT91_BASE_SYS + AT91_DBGU) @ System peripherals (phys address) + ldr \rv, =(AT91_VA_BASE_SYS + AT91_DBGU) @ System peripherals (virt address) .endm .macro senduart,rd,rx - strb \rd, [\rx, #(AT91_DBGU_THR - AT91_DBGU)] @ Write to Transmitter Holding Register + strb \rd, [\rx, #(AT91_DBGU_THR)] @ Write to Transmitter Holding Register .endm .macro waituart,rd,rx -1001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register - tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit +1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register + tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit beq 1001b .endm .macro busyuart,rd,rx -1001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register - tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete +1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register + tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete beq 1001b .endm diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h index 1008b9f..483478d 100644 --- a/arch/arm/mach-at91/include/mach/hardware.h +++ b/arch/arm/mach-at91/include/mach/hardware.h @@ -36,6 +36,20 @@ #error "Unsupported AT91 processor" #endif +#if !defined(CONFIG_ARCH_AT91X40) +/* + * On all at91 except rm9200 and x40 have the System Controller starts + * at address 0xffffc000 and has a size of 16KiB. + * + * On rm9200 it's start at 0xfffe4000 of 111KiB with non reserved data starting + * at 0xfffff000 + * + * Removes the individual definitions of AT91_BASE_SYS and + * replaces them with a common version at base 0xfffffc000 and size 16KiB + * and map the same memory space + */ +#define AT91_BASE_SYS 0xffffc000 +#endif /* * Peripheral identifiers/interrupts. diff --git a/arch/arm/mach-at91/include/mach/io.h b/arch/arm/mach-at91/include/mach/io.h index 0b0cccc..4298e78 100644 --- a/arch/arm/mach-at91/include/mach/io.h +++ b/arch/arm/mach-at91/include/mach/io.h @@ -21,14 +21,23 @@ #ifndef __ASM_ARCH_IO_H #define __ASM_ARCH_IO_H +#include <mach/hardware.h> + #define IO_SPACE_LIMIT 0xFFFFFFFF #define __io(a) __typesafe_io(a) #define __mem_pci(a) (a) - #ifndef __ASSEMBLY__ +#ifndef CONFIG_ARCH_AT91X40 +#define __arch_ioremap at91_ioremap +#define __arch_iounmap at91_iounmap +#endif + +void __iomem *at91_ioremap(unsigned long phys, size_t size, unsigned int type); +void at91_iounmap(volatile void __iomem *addr); + static inline unsigned int at91_sys_read(unsigned int reg_offset) { void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS; 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