openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Rabin Vincent 2010-03-01 05:05:56 +01:00 committed by Russell King
parent cc2c133425
commit 75a36ee01e
2 changed files with 41 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
arch/arm/mach-ux500/cpu-u8500.c
View File

@ -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();
}

29
arch/arm/mach-ux500/include/mach/hardware.h
View File

@ -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 */