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https://github.com/AsahiLinux/u-boot
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39 lines
1,011 B
C
39 lines
1,011 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 <asm/io.h>
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#include <dataflash.h>
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int AT91F_GetMuxStatus(void)
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{
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/* Set in PIO mode */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER);
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/* Configure in output */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER);
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if(readl(AT91C_BASE_PIOB->PIO_ODSR) & CONFIG_SYS_DATAFLASH_MMC_PIO)
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return 1;
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return 0;
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}
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void AT91F_SelectMMC(void)
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{
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/* Set in PIO mode */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER);
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/* Configure in output */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER);
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/* Set Output */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_SODR);
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}
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void AT91F_SelectSPI(void)
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{
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/* Set in PIO mode */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER);
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/* Configure in output */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER);
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/* Clear Output */
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writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_CODR);
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}
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