89ed6c9154
The DWMMC controller internally divided clock by values in CLKSEL registers, so we must adjust MMC clock for that. Added a divide function to stdlib.h which should be useful in other contexts. BUG=none TEST=emerge-peach_pit chromeos-coreboot-peach_pit # and boots successfully. Change-Id: I44f55b634cfc6fd81d76631595b6928c862a219f Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/66657 Commit-Queue: Ronald G. Minnich <rminnich@chromium.org> Reviewed-by: Ronald G. Minnich <rminnich@chromium.org> Tested-by: Ronald G. Minnich <rminnich@chromium.org> Reviewed-by: David Hendricks <dhendrix@chromium.org>
31 lines
796 B
C
31 lines
796 B
C
#ifndef STDLIB_H
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#define STDLIB_H
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#include <stddef.h>
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
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#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1UL)
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#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
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#define ALIGN_UP(x,a) ALIGN((x),(a))
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#define ALIGN_DOWN(x,a) ((x) & ~((typeof(x))(a)-1UL))
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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#if !defined(__PRE_RAM__)
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void *memalign(size_t boundary, size_t size);
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void *malloc(size_t size);
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/* We never free memory */
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static inline void free(void *ptr) {}
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#endif
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/* not sure romcc will know how to handle this. */
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#ifndef __ROMCC__
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static inline unsigned long div_round_up(unsigned int n, unsigned int d)
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{
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return (n + d - 1) / d;
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}
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#endif
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#endif /* STDLIB_H */
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