diff options
Diffstat (limited to 'arch/arm/boot/compressed/sdhi-sh7372.c')
-rw-r--r-- | arch/arm/boot/compressed/sdhi-sh7372.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/arch/arm/boot/compressed/sdhi-sh7372.c b/arch/arm/boot/compressed/sdhi-sh7372.c deleted file mode 100644 index d279294f2381..000000000000 --- a/arch/arm/boot/compressed/sdhi-sh7372.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * SuperH Mobile SDHI - * - * Copyright (C) 2010 Magnus Damm - * Copyright (C) 2010 Kuninori Morimoto - * Copyright (C) 2010 Simon Horman - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Parts inspired by u-boot - */ - -#include <linux/io.h> -#include <mach/mmc.h> -#include <linux/mmc/boot.h> -#include <linux/mmc/tmio.h> - -#include "sdhi-shmobile.h" - -#define PORT179CR 0xe60520b3 -#define PORT180CR 0xe60520b4 -#define PORT181CR 0xe60520b5 -#define PORT182CR 0xe60520b6 -#define PORT183CR 0xe60520b7 -#define PORT184CR 0xe60520b8 - -#define SMSTPCR3 0xe615013c - -#define CR_INPUT_ENABLE 0x10 -#define CR_FUNCTION1 0x01 - -#define SDHI1_BASE (void __iomem *)0xe6860000 -#define SDHI_BASE SDHI1_BASE - -/* SuperH Mobile SDHI loader - * - * loads the zImage from an SD card starting from block 0 - * on physical partition 1 - * - * The image must be start with a vrl4 header and - * the zImage must start at offset 512 of the image. That is, - * at block 1 (=byte 512) of physical partition 1 - * - * Use the following line to write the vrl4 formated zImage - * to an SD card - * # dd if=vrl4.out of=/dev/sdx bs=512 - */ -asmlinkage void mmc_loader(unsigned short *buf, unsigned long len) -{ - int high_capacity; - - mmc_init_progress(); - - mmc_update_progress(MMC_PROGRESS_ENTER); - /* Initialise SDHI1 */ - /* PORT184CR: GPIO_FN_SDHICMD1 Control */ - __raw_writeb(CR_FUNCTION1, PORT184CR); - /* PORT179CR: GPIO_FN_SDHICLK1 Control */ - __raw_writeb(CR_INPUT_ENABLE|CR_FUNCTION1, PORT179CR); - /* PORT181CR: GPIO_FN_SDHID1_3 Control */ - __raw_writeb(CR_FUNCTION1, PORT183CR); - /* PORT182CR: GPIO_FN_SDHID1_2 Control */ - __raw_writeb(CR_FUNCTION1, PORT182CR); - /* PORT183CR: GPIO_FN_SDHID1_1 Control */ - __raw_writeb(CR_FUNCTION1, PORT181CR); - /* PORT180CR: GPIO_FN_SDHID1_0 Control */ - __raw_writeb(CR_FUNCTION1, PORT180CR); - - /* Enable clock to SDHI1 hardware block */ - __raw_writel(__raw_readl(SMSTPCR3) & ~(1 << 13), SMSTPCR3); - - /* setup SDHI hardware */ - mmc_update_progress(MMC_PROGRESS_INIT); - high_capacity = sdhi_boot_init(SDHI_BASE); - if (high_capacity < 0) - goto err; - - mmc_update_progress(MMC_PROGRESS_LOAD); - /* load kernel */ - if (sdhi_boot_do_read(SDHI_BASE, high_capacity, - 0, /* Kernel is at block 1 */ - (len + TMIO_BBS - 1) / TMIO_BBS, buf)) - goto err; - - /* Disable clock to SDHI1 hardware block */ - __raw_writel(__raw_readl(SMSTPCR3) | (1 << 13), SMSTPCR3); - - mmc_update_progress(MMC_PROGRESS_DONE); - - return; -err: - for(;;); -} |