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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-05-30 16:56:13 +0400 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-05-30 16:56:13 +0400 |
| commit | af607747def54d8f76d2509c1394587da5d9bdfd (patch) | |
| tree | 4a3bd173d739b434ce2ae981284647f4405e39ff /arch/arm/mach-realview | |
| parent | 1b504bbe7a4a6c251cdc9dcba1fab72234827945 (diff) | |
| download | linux-af607747def54d8f76d2509c1394587da5d9bdfd.tar.xz | |
RealView: Allow access to the secure flash memory block on PB1176
This patch adds a Kconfig option for specifying whether Linux will only
be run in secure mode on the RealView PB1176 platform. Enabling it will
make the secure flash memory block (64MB @ 0x3c000000) available to
Linux.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/mach-realview')
| -rw-r--r-- | arch/arm/mach-realview/Kconfig | 9 | ||||
| -rw-r--r-- | arch/arm/mach-realview/include/mach/board-pb1176.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-realview/realview_pb1176.c | 23 |
3 files changed, 29 insertions, 5 deletions
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig index 368b58ae3043..e09f540f3217 100644 --- a/arch/arm/mach-realview/Kconfig +++ b/arch/arm/mach-realview/Kconfig @@ -48,6 +48,15 @@ config MACH_REALVIEW_PB1176 help Include support for the ARM(R) RealView ARM1176 Platform Baseboard. +config REALVIEW_PB1176_SECURE_FLASH + bool "Allow access to the secure flash memory block" + depends on MACH_REALVIEW_PB1176 + default n + help + Select this option if Linux will only run in secure mode on the + RealView PB1176 platform and access to the secure flash memory + block (64MB @ 0x3c000000) is required. + config MACH_REALVIEW_PBA8 bool "Support RealView/PB-A8 platform" select CPU_V7 diff --git a/arch/arm/mach-realview/include/mach/board-pb1176.h b/arch/arm/mach-realview/include/mach/board-pb1176.h index 858eea7b1adc..e4d0e8046ea5 100644 --- a/arch/arm/mach-realview/include/mach/board-pb1176.h +++ b/arch/arm/mach-realview/include/mach/board-pb1176.h @@ -32,6 +32,8 @@ #define REALVIEW_PB1176_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */ #define REALVIEW_PB1176_FLASH_BASE 0x30000000 #define REALVIEW_PB1176_FLASH_SIZE SZ_64M +#define REALVIEW_PB1176_SEC_FLASH_BASE 0x3C000000 /* Secure flash */ +#define REALVIEW_PB1176_SEC_FLASH_SIZE SZ_64M #define REALVIEW_PB1176_TIMER0_1_BASE 0x10104000 /* Timer 0 and 1 */ #define REALVIEW_PB1176_TIMER2_3_BASE 0x10105000 /* Timer 2 and 3 */ diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index a64b84a7a3df..25efe71a67c7 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -203,11 +203,23 @@ static struct amba_device *amba_devs[] __initdata = { /* * RealView PB1176 platform devices */ -static struct resource realview_pb1176_flash_resource = { - .start = REALVIEW_PB1176_FLASH_BASE, - .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, +static struct resource realview_pb1176_flash_resources[] = { + [0] = { + .start = REALVIEW_PB1176_FLASH_BASE, + .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = REALVIEW_PB1176_SEC_FLASH_BASE, + .end = REALVIEW_PB1176_SEC_FLASH_BASE + REALVIEW_PB1176_SEC_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, + }, }; +#ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH +#define PB1176_FLASH_BLOCKS 2 +#else +#define PB1176_FLASH_BLOCKS 1 +#endif static struct resource realview_pb1176_smsc911x_resources[] = { [0] = { @@ -271,7 +283,8 @@ static void __init realview_pb1176_init(void) l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff); #endif - realview_flash_register(&realview_pb1176_flash_resource, 1); + realview_flash_register(realview_pb1176_flash_resources, + PB1176_FLASH_BLOCKS); realview_eth_register(NULL, realview_pb1176_smsc911x_resources); platform_device_register(&realview_i2c_device); realview_usb_register(realview_pb1176_isp1761_resources); |