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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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8
include/command.h
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@@ -89,10 +89,10 @@ extern int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *
*/
#if defined(CONFIG_CMD_MEMORY) \
|| defined(CONFIG_CMD_I2C) \
|| defined(CONFIG_CMD_ITEST) \
|| defined(CONFIG_CMD_PCI) \
|| defined(CONFIG_CMD_PORTIO)
|| defined(CONFIG_CMD_I2C) \
|| defined(CONFIG_CMD_ITEST) \
|| defined(CONFIG_CMD_PCI) \
|| defined(CONFIG_CMD_PORTIO)
#define CMD_DATA_SIZE
extern int cmd_get_data_size(char* arg, int default_size);
#endif