on the 9g20 low power version we have a mmc spi as microSD
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
---
arch/arm/boards/tny-a926x/init.c | 41 ++++++++++++++++++++++++++++------
arch/arm/configs/tny_a9g20_defconfig | 5 +++++
2 files changed, 39 insertions(+), 7 deletions(-)
diff --git a/arch/arm/boards/tny-a926x/init.c b/arch/arm/boards/tny-a926x/init.c
index ce36570..270becf 100644
--- a/arch/arm/boards/tny-a926x/init.c
+++ b/arch/arm/boards/tny-a926x/init.c
@@ -31,6 +31,7 @@
#include <linux/clk.h>
#include <mach/board.h>
#include <mach/at91sam9_smc.h>
+#include <mach/at91sam9_sdramc.h>
#include <mach/sam9_smc.h>
#include <gpio.h>
#include <mach/io.h>
@@ -151,12 +152,27 @@ static struct spi_board_info tny_a9g20_spi_devices[] = {
},
};
+static struct spi_board_info tny_a9g20_lpw_spi_devices[] = {
+ {
+ .name = "spi_mci",
+ .max_speed_hz = 25 * 1000 * 1000,
+ .bus_num = 1,
+ .chip_select = 0,
+ },
+};
+
static int spi0_standard_cs[] = { AT91_PIN_PC11 };
-struct at91_spi_platform_data spi_pdata = {
+struct at91_spi_platform_data spi0_pdata = {
.chipselect = spi0_standard_cs,
.num_chipselect = ARRAY_SIZE(spi0_standard_cs),
};
+static int spi1_standard_cs[] = { AT91_PIN_PC3 };
+struct at91_spi_platform_data spi1_pdata = {
+ .chipselect = spi1_standard_cs,
+ .num_chipselect = ARRAY_SIZE(spi1_standard_cs),
+};
+
static void __init ek_add_device_udc(void)
{
if (machine_is_tny_a9260() || machine_is_tny_a9g20())
@@ -165,6 +181,22 @@ static void __init ek_add_device_udc(void)
at91_add_device_udc(&ek_udc_data);
}
+static void __init ek_add_device_spi(void)
+{
+ if (machine_is_tny_a9263())
+ return;
+
+ if (machine_is_tny_a9g20() && at91_is_low_power_sdram()) {
+ spi_register_board_info(tny_a9g20_lpw_spi_devices,
+ ARRAY_SIZE(tny_a9g20_lpw_spi_devices));
+ at91_add_device_spi(1, &spi1_pdata);
+ } else {
+ spi_register_board_info(tny_a9g20_spi_devices,
+ ARRAY_SIZE(tny_a9g20_spi_devices));
+ at91_add_device_spi(0, &spi0_pdata);
+ }
+}
+
static int tny_a9260_mem_init(void)
{
at91_add_device_sdram(0);
@@ -178,16 +210,11 @@ static int tny_a9260_devices_init(void)
tny_a9260_add_device_nand();
ek_add_device_macb();
ek_add_device_udc();
+ ek_add_device_spi();
armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
tny_a9260_set_board_type();
- if (machine_is_tny_a9260() || machine_is_tny_a9g20()) {
- spi_register_board_info(tny_a9g20_spi_devices,
- ARRAY_SIZE(tny_a9g20_spi_devices));
- at91_add_device_spi(0, &spi_pdata);
- }
-
devfs_add_partition("nand0", 0x00000, SZ_128K, DEVFS_PARTITION_FIXED,
"at91bootstrap_raw");
dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");
devfs_add_partition("nand0", SZ_128K, SZ_256K, DEVFS_PARTITION_FIXED,
"self_raw");
diff --git a/arch/arm/configs/tny_a9g20_defconfig
b/arch/arm/configs/tny_a9g20_defconfig
index cf5d4c5..a84e90f 100644
--- a/arch/arm/configs/tny_a9g20_defconfig
+++ b/arch/arm/configs/tny_a9g20_defconfig
@@ -51,6 +51,7 @@ CONFIG_CMD_OFTREE=y
CONFIG_CMD_TIMEOUT=y
CONFIG_CMD_PARTITION=y
CONFIG_CMD_GPIO=y
+CONFIG_CMD_SPI=y
CONFIG_NET=y
CONFIG_NET_DHCP=y
CONFIG_NET_NFS=y
@@ -70,4 +71,8 @@ CONFIG_NAND_ATMEL=y
CONFIG_UBI=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_SERIAL=y
+CONFIG_MCI=y
+CONFIG_MCI_STARTUP=y
+CONFIG_MCI_SPI=y
+CONFIG_MMC_SPI_CRC_ON=y
CONFIG_EEPROM_AT25=y
--
1.7.10.4
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