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Commit af607747 authored by Catalin Marinas's avatar Catalin Marinas
Browse files

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: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 1b504bbe

arch/arm/mach-realview/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-realview/include/mach/board-pb1176.h

+2 −0
Original line number Diff line number Diff line
@@ -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 */

arch/arm/mach-realview/realview_pb1176.c

+18 −5
Original line number Diff line number Diff line
@@ -203,11 +203,23 @@ static struct amba_device *amba_devs[] __initdata = { 
/*

 * RealView PB1176 platform devices

 */

static struct resource realview_pb1176_flash_resource = {

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);