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ARM: 6217/4: mach-realview: expose PB1176 ROM using physmap and map_rom

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This exposes the PB1176 ROM if you compile in the MTD physmap
mapping and also the map_rom chiptype.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Linus Walleij 2011-09-06 07:50:20 +01:00 committed by Russell King
parent 2b034922af
commit 0ec5a95bbb
2 changed files with 38 additions and 8 deletions
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1
arch/arm/mach-realview/include/mach/board-pb1176.h
View File

@ -70,6 +70,7 @@
#define REALVIEW_DC1176_GIC_CPU_BASE 0x10120000 /* GIC CPU interface, on devchip */
#define REALVIEW_DC1176_GIC_DIST_BASE 0x10121000 /* GIC distributor, on devchip */
#define REALVIEW_DC1176_ROM_BASE 0x10200000 /* 16KiB NRAM preudo-ROM, on devchip */
#define REALVIEW_PB1176_GIC_CPU_BASE 0x10040000 /* GIC CPU interface, on FPGA */
#define REALVIEW_PB1176_GIC_DIST_BASE 0x10041000 /* GIC distributor, on FPGA */
#define REALVIEW_PB1176_L220_BASE 0x10110000 /* L220 registers */

45
arch/arm/mach-realview/realview_pb1176.c
View File

@ -26,6 +26,8 @@
#include <linux/amba/pl061.h>
#include <linux/amba/mmci.h>
#include <linux/amba/pl022.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <linux/io.h>
#include <mach/hardware.h>
@ -204,22 +206,48 @@ static struct amba_device *amba_devs[] __initdata = {
* RealView PB1176 platform devices
*/
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] = {
#ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH
{
.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 physmap_flash_data pb1176_rom_pdata = {
.probe_type = "map_rom",
.width = 4,
.nr_parts = 0,
};
static struct resource pb1176_rom_resources[] = {
/*
* This exposes the PB1176 DevChip ROM as an MTD ROM mapping.
* The reference manual states that this is actually a pseudo-ROM
* programmed in NVRAM.
*/
{
.start = REALVIEW_DC1176_ROM_BASE,
.end = REALVIEW_DC1176_ROM_BASE + SZ_16K - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device pb1176_rom_device = {
.name = "physmap-flash",
.id = -1,
.num_resources = ARRAY_SIZE(pb1176_rom_resources),
.resource = pb1176_rom_resources,
.dev = {
.platform_data = &pb1176_rom_pdata,
},
};
static struct resource realview_pb1176_smsc911x_resources[] = {
[0] = {
@ -337,7 +365,8 @@ static void __init realview_pb1176_init(void)
#endif
realview_flash_register(realview_pb1176_flash_resources,
PB1176_FLASH_BLOCKS);
ARRAY_SIZE(realview_pb1176_flash_resources));
platform_device_register(&pb1176_rom_device);
realview_eth_register(NULL, realview_pb1176_smsc911x_resources);
platform_device_register(&realview_i2c_device);
realview_usb_register(realview_pb1176_isp1761_resources);