[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>
--

1 files changed, 24 insertions, 2 deletions

diff --git a/arch/arm/mach-kirkwood/sheevaplug-setup.c b/arch/arm/mach-kirkwood/sheevaplug-setup.c
index bb9bc70381ef..a00879d34d54 100644
--- a/arch/arm/mach-kirkwood/sheevaplug-setup.c
+++ b/arch/arm/mach-kirkwood/sheevaplug-setup.c
@@ -51,6 +51,11 @@ static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
         /* 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 @@ static unsigned int sheevaplug_mpp_config[] __initdata = {
         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 @@ static void __init sheevaplug_init(void)
         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);
 }