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>
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index a64b84a..25efe71 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -203,11 +203,23 @@
/*
* 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 @@
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);