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vexpress: mmc support 

qemu-system-arm -m 1024 -smp 1 -M vexpress-a15 -monitor pty -kernel zbarebox -drive if=sd,cache=unsafe,file=sd -nographic -tftp . -net nic -net user

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2013-10-22 16:35:25 +02:00 committed by Sascha Hauer
parent 4d2d66fe52
commit a0030a8f91
4 changed files with 25 additions and 2 deletions
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9
arch/arm/boards/vexpress/init.c
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@ -16,6 +16,7 @@
#include <io.h>
#include <globalvar.h>
#include <linux/amba/sp804.h>
#include <mci.h>
struct vexpress_init {
void (*core_init)(void);
@ -24,6 +25,11 @@ struct vexpress_init {
void (*devices_init)(void);
};
struct mmci_platform_data mmci_plat = {
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.clkdiv_init = SDI_CLKCR_CLKDIV_INIT,
};
struct vexpress_init *v2m_init;
static void vexpress_ax_mem_init(void)
@ -37,6 +43,7 @@ static void vexpress_ax_devices_init(void)
{
add_cfi_flash_device(0, 0x08000000, SZ_64M, 0);
add_cfi_flash_device(1, 0x0c000000, SZ_64M, 0);
vexpress_register_mmc(&mmci_plat);
add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x1a000000,
64 * 1024, IORESOURCE_MEM, NULL);
armlinux_set_bootparams((void *)(0x80000100));
@ -68,7 +75,7 @@ static void vexpress_a9_legacy_devices_init(void)
add_cfi_flash_device(1, 0x44000000, SZ_64M, 0);
add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x4e000000,
64 * 1024, IORESOURCE_MEM, NULL);
vexpress_a9_legacy_register_mmc(&mmci_plat);
armlinux_set_architecture(MACH_TYPE_VEXPRESS);
armlinux_set_bootparams((void *)(0x60000100));
}

12
arch/arm/mach-vexpress/devices.c
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@ -20,7 +20,6 @@ void vexpress_a9_legacy_add_ddram(u32 ddr0_size, u32 ddr1_size)
arm_add_mem_device("ram1", 0x80000000, ddr1_size);
}
void vexpress_a9_legacy_register_uart(unsigned id)
{
resource_size_t start;
@ -44,6 +43,12 @@ void vexpress_a9_legacy_register_uart(unsigned id)
amba_apb_device_add(NULL, "uart-pl011", id, start, 4096, NULL, 0);
}
void vexpress_a9_legacy_register_mmc(struct mmci_platform_data *plat)
{
amba_apb_device_add(NULL, "mmci-pl18x", DEVICE_ID_SINGLE, 0x10005000,
4096, plat, 0);
}
void vexpress_add_ddram(u32 size)
{
arm_add_mem_device("ram1", 0x80000000, size);
@ -71,3 +76,8 @@ void vexpress_register_uart(unsigned id)
}
amba_apb_device_add(NULL, "uart-pl011", id, start, 4096, NULL, 0);
}
void vexpress_register_mmc(struct mmci_platform_data *plat)
{
amba_apb_device_add(NULL, "mmci-pl18x", DEVICE_ID_SINGLE, 0x1c050000, 4096, plat, 0);
}

5
arch/arm/mach-vexpress/include/mach/devices.h
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@ -7,6 +7,8 @@
#ifndef __ASM_ARCH_DEVICES_H__
#define __ASM_ARCH_DEVICES_H__
#include <linux/amba/mmci.h>
void vexpress_a9_legacy_add_ddram(u32 ddr0_size, u32 ddr1_size);
void vexpress_add_ddram(u32 size);
@ -16,6 +18,9 @@ void vexpress_register_uart(unsigned id);
void vexpress_a9_legacy_init(void);
void vexpress_init(void);
void vexpress_a9_legacy_register_mmc(struct mmci_platform_data *plat);
void vexpress_register_mmc(struct mmci_platform_data *plat);
extern void *v2m_wdt_base;
extern void *v2m_sysreg_base;

1
arch/arm/mach-vexpress/v2m.c
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@ -20,6 +20,7 @@
void __iomem *v2m_sysreg_base;
static const char *v2m_osc2_periphs[] = {
"mb:mmci", "mmci-pl18x", /* PL180 MMCI */
"mb:uart0", "uart-pl0110", /* PL011 UART0 */
"mb:uart1", "uart-pl0111", /* PL011 UART1 */
"mb:uart2", "uart-pl0112", /* PL011 UART2 */