[ARM] eSATA SheevaPlug: correlate MPP to SD CD and SD WP
Accept SD CD and SD WP in accordance to
http://plugcomputer.org/data/docs/Sheeva-PowerPlug-V1.3-GTI-090906.pdf
on MPP 47 and 44 respectively on the eSATA SheevaPlug
Signed-off-by: John Holland <john.holland@cellent-fs.de>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
--
diff --git a/arch/arm/mach-kirkwood/sheevaplug-setup.c b/arch/arm/mach-kirkwood/sheevaplug-setup.c
index bb9bc70..a00879d 100644
--- a/arch/arm/mach-kirkwood/sheevaplug-setup.c
+++ b/arch/arm/mach-kirkwood/sheevaplug-setup.c
@@ -51,6 +51,11 @@
/* unfortunately the CD signal has not been connected */
};
+static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
+ .gpio_write_protect = 44, /* MPP44 used as SD write protect */
+ .gpio_card_detect = 47, /* MPP47 used as SD card detect */
+};
+
static struct gpio_led sheevaplug_led_pins[] = {
{
.name = "plug:green:health",
@@ -79,13 +84,26 @@
0
};
+static unsigned int sheeva_esata_mpp_config[] __initdata = {
+ MPP29_GPIO, /* USB Power Enable */
+ MPP44_GPIO, /* SD Write Protect */
+ MPP47_GPIO, /* SD Card Detect */
+ MPP49_GPIO, /* LED Green */
+ 0
+};
+
static void __init sheevaplug_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_init();
- kirkwood_mpp_conf(sheevaplug_mpp_config);
+
+ /* setup gpio pin select */
+ if (machine_is_sheeva_esata())
+ kirkwood_mpp_conf(sheeva_esata_mpp_config);
+ else
+ kirkwood_mpp_conf(sheevaplug_mpp_config);
kirkwood_uart0_init();
kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
@@ -101,7 +119,11 @@
if (machine_is_sheeva_esata())
kirkwood_sata_init(&sheeva_esata_sata_data);
- kirkwood_sdio_init(&sheevaplug_mvsdio_data);
+ /* enable sd wp and sd cd on plugs with esata */
+ if (machine_is_sheeva_esata())
+ kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
+ else
+ kirkwood_sdio_init(&sheevaplug_mvsdio_data);
platform_device_register(&sheevaplug_leds);
}