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[PATCH] Change systemace driver to select 8 & 16bit mode 

As suggested by Grant Likely this patch enables the Xilinx SystemACE
driver to select 8 or 16bit mode upon startup.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2007-02-22 07:40:23 +01:00
parent 3a197b2fe4
commit 8274ec0bd0
1 changed files with 2 additions and 5 deletions
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7
drivers/systemace.c
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@ -119,13 +119,10 @@ block_dev_desc_t *systemace_get_dev(int dev)
systemace_dev.removable = 1;
systemace_dev.block_read = systemace_read;
#if (CFG_SYSTEMACE_WIDTH == 16)
/*
* By default the SystemACE comes up in 8-bit mode.
* Ensure that 16-bit mode gets enabled.
* Ensure the correct bus mode (8/16 bits) gets enabled
*/
ace_writew(0x0001, 0);
#endif
ace_writew(CFG_SYSTEMACE_WIDTH == 8 ? 0 : 0x0001, 0);
init_part(&systemace_dev);