From cb82a532669f6b02225ec3429ea4d49ff2b97d0a Mon Sep 17 00:00:00 2001 From: Ulf Samuelsson Date: Fri, 27 Mar 2009 23:26:43 +0100 Subject: Add support for the AT91RM9200EK Board. 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 Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- board/atmel/at91rm9200ek/mux.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 board/atmel/at91rm9200ek/mux.c (limited to 'board/atmel/at91rm9200ek/mux.c') diff --git a/board/atmel/at91rm9200ek/mux.c b/board/atmel/at91rm9200ek/mux.c new file mode 100644 index 0000000..bdd44e8 --- /dev/null +++ b/board/atmel/at91rm9200ek/mux.c @@ -0,0 +1,38 @@ +#include +#include +#include +#include +#include + +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); +} -- cgit v1.1