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authorCatalin Marinas <catalin.marinas@arm.com>2009-05-30 13:56:13 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2009-05-30 13:56:13 +0100
commitaf607747def54d8f76d2509c1394587da5d9bdfd (patch)
tree4a3bd173d739b434ce2ae981284647f4405e39ff /arch/arm
parent1b504bbe7a4a6c251cdc9dcba1fab72234827945 (diff)
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')
-rw-r--r--arch/arm/mach-realview/Kconfig9
-rw-r--r--arch/arm/mach-realview/include/mach/board-pb1176.h2
-rw-r--r--arch/arm/mach-realview/realview_pb1176.c23
3 files changed, 29 insertions, 5 deletions
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index 368b58ae304..e09f540f321 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 858eea7b1ad..e4d0e8046ea 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 a64b84a7a3d..25efe71a67c 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);