aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/compressed/mmcif-sh7372.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot/compressed/mmcif-sh7372.c')
-rw-r--r--arch/arm/boot/compressed/mmcif-sh7372.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/arm/boot/compressed/mmcif-sh7372.c b/arch/arm/boot/compressed/mmcif-sh7372.c
deleted file mode 100644
index 672ae95db5c3..000000000000
--- a/arch/arm/boot/compressed/mmcif-sh7372.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * sh7372 MMCIF loader
- *
- * Copyright (C) 2010 Magnus Damm
- * 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.
- */
-
-#include <linux/mmc/sh_mmcif.h>
-#include <linux/mmc/boot.h>
-#include <mach/mmc.h>
-
-#define MMCIF_BASE (void __iomem *)0xe6bd0000
-
-#define PORT84CR (void __iomem *)0xe6050054
-#define PORT85CR (void __iomem *)0xe6050055
-#define PORT86CR (void __iomem *)0xe6050056
-#define PORT87CR (void __iomem *)0xe6050057
-#define PORT88CR (void __iomem *)0xe6050058
-#define PORT89CR (void __iomem *)0xe6050059
-#define PORT90CR (void __iomem *)0xe605005a
-#define PORT91CR (void __iomem *)0xe605005b
-#define PORT92CR (void __iomem *)0xe605005c
-#define PORT99CR (void __iomem *)0xe6050063
-
-#define SMSTPCR3 (void __iomem *)0xe615013c
-
-/* SH7372 specific MMCIF loader
- *
- * loads the zImage from an MMC card starting from block 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 2 (=byte 1024) on the media
- *
- * Use the following line to write the vrl4 formated zImage
- * to an MMC card
- * # dd if=vrl4.out of=/dev/sdx bs=512 seek=1
- */
-asmlinkage void mmc_loader(unsigned char *buf, unsigned long len)
-{
- mmc_init_progress();
- mmc_update_progress(MMC_PROGRESS_ENTER);
-
- /* Initialise MMC
- * registers: PORT84CR-PORT92CR
- * (MMCD0_0-MMCD0_7,MMCCMD0 Control)
- * value: 0x04 - select function 4
- */
- __raw_writeb(0x04, PORT84CR);
- __raw_writeb(0x04, PORT85CR);
- __raw_writeb(0x04, PORT86CR);
- __raw_writeb(0x04, PORT87CR);
- __raw_writeb(0x04, PORT88CR);
- __raw_writeb(0x04, PORT89CR);
- __raw_writeb(0x04, PORT90CR);
- __raw_writeb(0x04, PORT91CR);
- __raw_writeb(0x04, PORT92CR);
-
- /* Initialise MMC
- * registers: PORT99CR (MMCCLK0 Control)
- * value: 0x10 | 0x04 - enable output | select function 4
- */
- __raw_writeb(0x14, PORT99CR);
-
- /* Enable clock to MMC hardware block */
- __raw_writel(__raw_readl(SMSTPCR3) & ~(1 << 12), SMSTPCR3);
-
- mmc_update_progress(MMC_PROGRESS_INIT);
-
- /* setup MMCIF hardware */
- sh_mmcif_boot_init(MMCIF_BASE);
-
- mmc_update_progress(MMC_PROGRESS_LOAD);
-
- /* load kernel via MMCIF interface */
- sh_mmcif_boot_do_read(MMCIF_BASE, 2, /* Kernel is at block 2 */
- (len + SH_MMCIF_BBS - 1) / SH_MMCIF_BBS, buf);
-
-
- /* Disable clock to MMC hardware block */
- __raw_writel(__raw_readl(SMSTPCR3) | (1 << 12), SMSTPCR3);
-
- mmc_update_progress(MMC_PROGRESS_DONE);
-}