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https://github.com/AsahiLinux/u-boot
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40 lines
988 B
C
40 lines
988 B
C
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#include <config.h>
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#include <common.h>
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#include <asm/hardware.h>
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#include <dataflash.h>
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int AT91F_GetMuxStatus(void) {
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#ifdef DATAFLASH_MMC_SELECT
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AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
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AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
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if(AT91C_BASE_PIOB->PIO_ODSR & DATAFLASH_MMC_SELECT) {
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return 1;
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} else {
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return 0;
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}
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#endif
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return 0;
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}
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void AT91F_SelectMMC(void) {
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#ifdef DATAFLASH_MMC_SELECT
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AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
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AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
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/* Set Output */
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AT91C_BASE_PIOB->PIO_SODR = DATAFLASH_MMC_SELECT;
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#endif
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}
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void AT91F_SelectSPI(void) {
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#ifdef DATAFLASH_MMC_SELECT
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AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
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AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
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/* Clear Output */
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AT91C_BASE_PIOB->PIO_CODR = DATAFLASH_MMC_SELECT;
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#endif
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}
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