diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/bf537-stamp/ide-cf.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/bf537-stamp/ide-cf.c')
-rw-r--r-- | qemu/roms/u-boot/board/bf537-stamp/ide-cf.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/bf537-stamp/ide-cf.c b/qemu/roms/u-boot/board/bf537-stamp/ide-cf.c new file mode 100644 index 000000000..5a3720de5 --- /dev/null +++ b/qemu/roms/u-boot/board/bf537-stamp/ide-cf.c @@ -0,0 +1,66 @@ +/* + * CF IDE addon card code + * + * Enter bugs at http://blackfin.uclinux.org/ + * + * Copyright (c) 2005-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <config.h> +#include <command.h> +#include <asm/blackfin.h> + +void cf_outb(unsigned char val, volatile unsigned char *addr) +{ + *(addr) = val; + SSYNC(); +} + +unsigned char cf_inb(volatile unsigned char *addr) +{ + volatile unsigned char c; + + c = *(addr); + SSYNC(); + + return c; +} + +void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words) +{ + int i; + + for (i = 0; i < words; i++) + *(sect_buf + i) = *(addr); + SSYNC(); +} + +void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words) +{ + int i; + + for (i = 0; i < words; i++) + *(addr) = *(sect_buf + i); + SSYNC(); +} + +void cf_ide_init(void) +{ +#if defined(CONFIG_BFIN_TRUE_IDE) + /* Enable ATASEL when in True IDE mode */ + printf("Using CF True IDE Mode\n"); + cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA); + udelay(1000); +#elif defined(CONFIG_BFIN_CF_IDE) + /* Disable ATASEL when we're in Common Memory Mode */ + printf("Using CF Common Memory Mode\n"); + cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS); + udelay(1000); +#elif defined(CONFIG_BFIN_HDD_IDE) + printf("Using HDD IDE Mode\n"); +#endif + ide_init(); +} |