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Add console command to access io space registers

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Provide u-boot console functions to access IO space registers. A no
thrills implementation, accessing one register at a time.

For example:
    boot > iod 80
    0080: 00000094
    boot > iod.w 80
    0080: 0094
    boot > iod.b 80
    0080: 94
    boot > iow.b 0x80 12
    boot > iod 0x80
    0080: 00000012

Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Vadim Bendebury
2012-12-05 14:46:42 +00:00
committed by Tom Rini
parent 096eb3f59b
commit 9ad557be2f
4 changed files with 99 additions and 4 deletions
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1
include/config_cmd_all.h
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@@ -48,6 +48,7 @@
#define CONFIG_CMD_IMI /* iminfo */
#define CONFIG_CMD_IMLS /* List all found images */
#define CONFIG_CMD_IMMAP /* IMMR dump support */
#define CONFIG_CMD_IO /* Access to X86 IO space */
#define CONFIG_CMD_IRQ /* irqinfo */
#define CONFIG_CMD_ITEST /* Integer (and string) test */
#define CONFIG_CMD_JFFS2 /* JFFS2 Support */