Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
---
arch/arm/mach-at91/at91sam9x5.c | 2 +
arch/arm/mach-at91/at91sam9x5_devices.c | 62 +++++++++++++++++++++++++++++++
2 files changed, 64 insertions(+)
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index a9065ff..7c7d997 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -207,6 +207,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_ID("ohci_clk", &uhphs_clk),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi0", &spi0_clk),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi1", &spi1_clk),
+ CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci0", &mmc0_clk),
+ CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci1", &mmc1_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {
diff --git a/arch/arm/mach-at91/at91sam9x5_devices.c
b/arch/arm/mach-at91/at91sam9x5_devices.c
index 710ded7..14fcb1e 100644
--- a/arch/arm/mach-at91/at91sam9x5_devices.c
+++ b/arch/arm/mach-at91/at91sam9x5_devices.c
@@ -123,6 +123,68 @@ void at91_add_device_eth(int id, struct
at91_ether_platform_data *data)
void at91_add_device_eth(int id, struct at91_ether_platform_data *data) {}
#endif
+#if defined(CONFIG_MCI_ATMEL)
+/* Consider only one slot : slot 0 */
+void __init at91_add_device_mci(short mmc_id, struct atmel_mci_platform_data
*data)
+{
+ resource_size_t start = ~0;
+
+ if (!data)
+ return;
+
+ /* Must have at least one usable slot */
+ if (!data->bus_width)
+ return;
+
+ /* input/irq */
+ if (data->detect_pin) {
+ at91_set_gpio_input(data->detect_pin, 1);
+ at91_set_deglitch(data->detect_pin, 1);
+ }
+ if (data->wp_pin)
+ at91_set_gpio_input(data->wp_pin, 1);
+
+ if (mmc_id == 0) { /* MCI0 */
+ start = AT91SAM9X5_BASE_MCI0;
+
+ /* CLK */
+ at91_set_A_periph(AT91_PIN_PA17, 0);
+
+ /* CMD */
+ at91_set_A_periph(AT91_PIN_PA16, 1);
+
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_A_periph(AT91_PIN_PA15, 1);
+ if (data->bus_width == 4) {
+ at91_set_A_periph(AT91_PIN_PA18, 1);
+ at91_set_A_periph(AT91_PIN_PA19, 1);
+ at91_set_A_periph(AT91_PIN_PA20, 1);
+ }
+ } else { /* MCI1 */
+ start = AT91SAM9X5_BASE_MCI1;
+
+ /* CLK */
+ at91_set_B_periph(AT91_PIN_PA13, 0);
+
+ /* CMD */
+ at91_set_B_periph(AT91_PIN_PA12, 1);
+
+ /* DAT0, maybe DAT1..DAT3 */
+ at91_set_B_periph(AT91_PIN_PA11, 1);
+ if (data->bus_width == 4) {
+ at91_set_B_periph(AT91_PIN_PA2, 1);
+ at91_set_B_periph(AT91_PIN_PA3, 1);
+ at91_set_B_periph(AT91_PIN_PA4, 1);
+ }
+ }
+
+ add_generic_device("atmel_mci", mmc_id, NULL, start, SZ_16K,
+ IORESOURCE_MEM, data);
+}
+#else
+void __init at91_add_device_mci(short mmc_id, struct atmel_mci_platform_data
*data) {}
+#endif
+
/* --------------------------------------------------------------------
* NAND / SmartMedia
* -------------------------------------------------------------------- */
--
1.7.10.4
_______________________________________________
barebox mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/barebox
