diff options
Diffstat (limited to 'arch/arm/boot/compressed/mmcif-sh7372.c')
-rw-r--r-- | arch/arm/boot/compressed/mmcif-sh7372.c | 88 |
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 @@ | |||
1 | /* | ||
2 | * sh7372 MMCIF loader | ||
3 | * | ||
4 | * Copyright (C) 2010 Magnus Damm | ||
5 | * Copyright (C) 2010 Simon Horman | ||
6 | * | ||
7 | * This file is subject to the terms and conditions of the GNU General Public | ||
8 | * License. See the file "COPYING" in the main directory of this archive | ||
9 | * for more details. | ||
10 | */ | ||
11 | |||
12 | #include <linux/mmc/sh_mmcif.h> | ||
13 | #include <linux/mmc/boot.h> | ||
14 | #include <mach/mmc.h> | ||
15 | |||
16 | #define MMCIF_BASE (void __iomem *)0xe6bd0000 | ||
17 | |||
18 | #define PORT84CR (void __iomem *)0xe6050054 | ||
19 | #define PORT85CR (void __iomem *)0xe6050055 | ||
20 | #define PORT86CR (void __iomem *)0xe6050056 | ||
21 | #define PORT87CR (void __iomem *)0xe6050057 | ||
22 | #define PORT88CR (void __iomem *)0xe6050058 | ||
23 | #define PORT89CR (void __iomem *)0xe6050059 | ||
24 | #define PORT90CR (void __iomem *)0xe605005a | ||
25 | #define PORT91CR (void __iomem *)0xe605005b | ||
26 | #define PORT92CR (void __iomem *)0xe605005c | ||
27 | #define PORT99CR (void __iomem *)0xe6050063 | ||
28 | |||
29 | #define SMSTPCR3 (void __iomem *)0xe615013c | ||
30 | |||
31 | /* SH7372 specific MMCIF loader | ||
32 | * | ||
33 | * loads the zImage from an MMC card starting from block 1. | ||
34 | * | ||
35 | * The image must be start with a vrl4 header and | ||
36 | * the zImage must start at offset 512 of the image. That is, | ||
37 | * at block 2 (=byte 1024) on the media | ||
38 | * | ||
39 | * Use the following line to write the vrl4 formated zImage | ||
40 | * to an MMC card | ||
41 | * # dd if=vrl4.out of=/dev/sdx bs=512 seek=1 | ||
42 | */ | ||
43 | asmlinkage void mmc_loader(unsigned char *buf, unsigned long len) | ||
44 | { | ||
45 | mmc_init_progress(); | ||
46 | mmc_update_progress(MMC_PROGRESS_ENTER); | ||
47 | |||
48 | /* Initialise MMC | ||
49 | * registers: PORT84CR-PORT92CR | ||
50 | * (MMCD0_0-MMCD0_7,MMCCMD0 Control) | ||
51 | * value: 0x04 - select function 4 | ||
52 | */ | ||
53 | __raw_writeb(0x04, PORT84CR); | ||
54 | __raw_writeb(0x04, PORT85CR); | ||
55 | __raw_writeb(0x04, PORT86CR); | ||
56 | __raw_writeb(0x04, PORT87CR); | ||
57 | __raw_writeb(0x04, PORT88CR); | ||
58 | __raw_writeb(0x04, PORT89CR); | ||
59 | __raw_writeb(0x04, PORT90CR); | ||
60 | __raw_writeb(0x04, PORT91CR); | ||
61 | __raw_writeb(0x04, PORT92CR); | ||
62 | |||
63 | /* Initialise MMC | ||
64 | * registers: PORT99CR (MMCCLK0 Control) | ||
65 | * value: 0x10 | 0x04 - enable output | select function 4 | ||
66 | */ | ||
67 | __raw_writeb(0x14, PORT99CR); | ||
68 | |||
69 | /* Enable clock to MMC hardware block */ | ||
70 | __raw_writel(__raw_readl(SMSTPCR3) & ~(1 << 12), SMSTPCR3); | ||
71 | |||
72 | mmc_update_progress(MMC_PROGRESS_INIT); | ||
73 | |||
74 | /* setup MMCIF hardware */ | ||
75 | sh_mmcif_boot_init(MMCIF_BASE); | ||
76 | |||
77 | mmc_update_progress(MMC_PROGRESS_LOAD); | ||
78 | |||
79 | /* load kernel via MMCIF interface */ | ||
80 | sh_mmcif_boot_do_read(MMCIF_BASE, 2, /* Kernel is at block 2 */ | ||
81 | (len + SH_MMCIF_BBS - 1) / SH_MMCIF_BBS, buf); | ||
82 | |||
83 | |||
84 | /* Disable clock to MMC hardware block */ | ||
85 | __raw_writel(__raw_readl(SMSTPCR3) | (1 << 12), SMSTPCR3); | ||
86 | |||
87 | mmc_update_progress(MMC_PROGRESS_DONE); | ||
88 | } | ||