diff options
| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2010-03-01 07:05:56 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-19 21:29:45 +0300 |
| commit | 75a36ee01e860be693220f1c40e2c04fb6cc69ba (patch) | |
| tree | 7a4dc1f66d6d4621ac82dceb8829503c6118c283 /arch/arm/mach-ux500 | |
| parent | cc2c13342508d52cf08ea81f639b5de69607fd5d (diff) | |
| download | linux-75a36ee01e860be693220f1c40e2c04fb6cc69ba.tar.xz | |
ARM: 5963/1: ux500: add support for u8500 v1 revision
Add cpu_is_u8500{ed/v1}() functions to determine the variant based on
the CPU id, add the changed peripheral addresses, and fixup the MTU
address.
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ux500')
| -rw-r--r-- | arch/arm/mach-ux500/cpu-u8500.c | 19 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/hardware.h | 29 |
2 files changed, 41 insertions, 7 deletions
diff --git a/arch/arm/mach-ux500/cpu-u8500.c b/arch/arm/mach-ux500/cpu-u8500.c index 588b0596a635..f368504d2af7 100644 --- a/arch/arm/mach-ux500/cpu-u8500.c +++ b/arch/arm/mach-ux500/cpu-u8500.c @@ -40,15 +40,27 @@ static struct map_desc u8500_io_desc[] __initdata = { __IO_DEV_DESC(U8500_UART2_BASE, SZ_4K), __IO_DEV_DESC(U8500_GIC_CPU_BASE, SZ_4K), __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K), - __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), __IO_DEV_DESC(U8500_TWD_BASE, SZ_4K), __IO_DEV_DESC(U8500_SCU_BASE, SZ_4K), __IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K), }; +static struct map_desc u8500ed_io_desc[] __initdata = { + __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K), +}; + +static struct map_desc u8500v1_io_desc[] __initdata = { + __IO_DEV_DESC(U8500_MTU0_BASE_V1, SZ_4K), +}; + void __init u8500_map_io(void) { iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); + + if (cpu_is_u8500ed()) + iotable_init(u8500ed_io_desc, ARRAY_SIZE(u8500ed_io_desc)); + else + iotable_init(u8500v1_io_desc, ARRAY_SIZE(u8500v1_io_desc)); } void __init u8500_init_irq(void) @@ -75,7 +87,10 @@ static void __init u8500_timer_init(void) twd_base = __io_address(U8500_TWD_BASE); #endif /* Setup the MTU base */ - mtu_base = __io_address(U8500_MTU0_BASE); + if (cpu_is_u8500ed()) + mtu_base = __io_address(U8500_MTU0_BASE_ED); + else + mtu_base = __io_address(U8500_MTU0_BASE_V1); nmdk_timer_init(); } diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h index 04ea836969b3..f29a43d9d45a 100644 --- a/arch/arm/mach-ux500/include/mach/hardware.h +++ b/arch/arm/mach-ux500/include/mach/hardware.h @@ -56,16 +56,19 @@ #define U8500_TWD_SIZE 0x100 /* per7 base addressess */ -#define U8500_CR_BASE (U8500_PER7_BASE + 0x8000) -#define U8500_MTU0_BASE (U8500_PER7_BASE + 0xa000) -#define U8500_MTU1_BASE (U8500_PER7_BASE + 0xb000) -#define U8500_TZPC0_BASE (U8500_PER7_BASE + 0xc000) -#define U8500_CLKRST7_BASE (U8500_PER7_BASE + 0xf000) +#define U8500_CR_BASE_ED (U8500_PER7_BASE + 0x8000) +#define U8500_MTU0_BASE_ED (U8500_PER7_BASE + 0xa000) +#define U8500_MTU1_BASE_ED (U8500_PER7_BASE + 0xb000) +#define U8500_TZPC0_BASE_ED (U8500_PER7_BASE + 0xc000) +#define U8500_CLKRST7_BASE_ED (U8500_PER7_BASE + 0xf000) /* per6 base addressess */ #define U8500_RNG_BASE (U8500_PER6_BASE + 0x0000) #define U8500_PKA_BASE (U8500_PER6_BASE + 0x1000) #define U8500_PKAM_BASE (U8500_PER6_BASE + 0x2000) +#define U8500_MTU0_BASE_V1 (U8500_PER6_BASE + 0x6000) +#define U8500_MTU1_BASE_V1 (U8500_PER6_BASE + 0x7000) +#define U8500_CR_BASE_V1 (U8500_PER6_BASE + 0x8000) #define U8500_CRYPTO0_BASE (U8500_PER6_BASE + 0xa000) #define U8500_CRYPTO1_BASE (U8500_PER6_BASE + 0xb000) #define U8500_CLKRST6_BASE (U8500_PER6_BASE + 0xf000) @@ -128,4 +131,20 @@ /* ST-Ericsson modified pl022 id */ #define SSP_PER_ID 0x01080022 +#ifndef __ASSEMBLY__ + +#include <asm/cputype.h> + +static inline bool cpu_is_u8500ed(void) +{ + return (read_cpuid_id() & 15) == 0; +} + +static inline bool cpu_is_u8500v1(void) +{ + return (read_cpuid_id() & 15) == 1; +} + +#endif + #endif /* __MACH_HARDWARE_H */ |