mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
cb82a53266
The AT91RM9200-EK Evaluation Board supports the AT91RM9200 ARM9-based 32-bit RISC microcontroller and enables real-time code development and evaluation. Here is the chip page on Atmel website: http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3507 with - NOR (cfi driver) - DataFlash - USB OHCI - Net - I2C (hard) Signed-off-by: Ulf Samuelsson <ulf@atmel.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
38 lines
1,011 B
C
38 lines
1,011 B
C
#include <config.h>
|
|
#include <common.h>
|
|
#include <asm/hardware.h>
|
|
#include <asm/io.h>
|
|
#include <dataflash.h>
|
|
|
|
int AT91F_GetMuxStatus(void)
|
|
{
|
|
/* Set in PIO mode */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER);
|
|
/* Configure in output */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER);
|
|
|
|
if(readl(AT91C_BASE_PIOB->PIO_ODSR) & CONFIG_SYS_DATAFLASH_MMC_PIO)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void AT91F_SelectMMC(void)
|
|
{
|
|
/* Set in PIO mode */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER);
|
|
/* Configure in output */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER);
|
|
/* Set Output */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_SODR);
|
|
}
|
|
|
|
void AT91F_SelectSPI(void)
|
|
{
|
|
/* Set in PIO mode */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER);
|
|
/* Configure in output */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER);
|
|
/* Clear Output */
|
|
writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_CODR);
|
|
}
|