--- /dev/null
+From b6238a79746a5022969a5f780a6e51d794ab9c0c Mon Sep 17 00:00:00 2001
+From: Koen Kooi <koen@dominion.thruhere.net>
+Date: Mon, 3 May 2010 14:41:29 +0200
+Subject: [PATCH 43/43] ARM: OMAP: beagleboard: Add infrastructure to do fixups based on expansionboard name passed by u-boot
+
+And add support for zippy2
+---
+ arch/arm/mach-omap2/board-omap3beagle.c | 88 +++++++++++++++++++++++++++----
+ 1 files changed, 78 insertions(+), 10 deletions(-)
+
+diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
+index 8dfb864..cb2c9c8 100644
+--- a/arch/arm/mach-omap2/board-omap3beagle.c
++++ b/arch/arm/mach-omap2/board-omap3beagle.c
+@@ -75,6 +75,8 @@ static struct omap_opp * _omap37x_l3_rate_table = NULL;
+
+ #define NAND_BLOCK_SIZE SZ_128K
+
++char expansionboard_name[16];
++
+ #if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE)
+
+ #include <plat/mcspi.h>
+@@ -87,7 +89,7 @@ static struct omap2_mcspi_device_config enc28j60_spi_chip_info = {
+ .single_channel = 1, /* 0: slave, 1: master */
+ };
+
+-static struct spi_board_info omap3beagle_spi_board_info[] __initdata = {
++static struct spi_board_info omap3beagle_zippy_spi_board_info[] __initdata = {
+ {
+ .modalias = "enc28j60",
+ .bus_num = 4,
+@@ -102,21 +104,62 @@ static void __init omap3beagle_enc28j60_init(void)
+ if ((gpio_request(OMAP3BEAGLE_GPIO_ENC28J60_IRQ, "ENC28J60_IRQ") == 0) &&
+ (gpio_direction_input(OMAP3BEAGLE_GPIO_ENC28J60_IRQ) == 0)) {
+ gpio_export(OMAP3BEAGLE_GPIO_ENC28J60_IRQ, 0);
+- omap3beagle_spi_board_info[0].irq = OMAP_GPIO_IRQ(OMAP3BEAGLE_GPIO_ENC28J60_IRQ);
+- set_irq_type(omap3beagle_spi_board_info[0].irq, IRQ_TYPE_EDGE_FALLING);
++ omap3beagle_zippy_spi_board_info[0].irq = OMAP_GPIO_IRQ(OMAP3BEAGLE_GPIO_ENC28J60_IRQ);
++ set_irq_type(omap3beagle_zippy_spi_board_info[0].irq, IRQ_TYPE_EDGE_FALLING);
+ } else {
+ printk(KERN_ERR "could not obtain gpio for ENC28J60_IRQ\n");
+ return;
+ }
+
+- spi_register_board_info(omap3beagle_spi_board_info,
+- ARRAY_SIZE(omap3beagle_spi_board_info));
++ spi_register_board_info(omap3beagle_zippy_spi_board_info,
++ ARRAY_SIZE(omap3beagle_zippy_spi_board_info));
+ }
+
+ #else
+ static inline void __init omap3beagle_enc28j60_init(void) { return; }
+ #endif
+
++#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
++
++#include <plat/mcspi.h>
++#include <linux/spi/spi.h>
++
++#define OMAP3BEAGLE_GPIO_KS8851_IRQ 157
++
++static struct omap2_mcspi_device_config ks8851_spi_chip_info = {
++ .turbo_mode = 0,
++ .single_channel = 1, /* 0: slave, 1: master */
++};
++
++static struct spi_board_info omap3beagle_zippy2_spi_board_info[] __initdata = {
++ {
++ .modalias = "ks8851",
++ .bus_num = 4,
++ .chip_select = 0,
++ .max_speed_hz = 36000000,
++ .controller_data = &ks8851_spi_chip_info,
++ },
++};
++
++static void __init omap3beagle_ks8851_init(void)
++{
++ if ((gpio_request(OMAP3BEAGLE_GPIO_KS8851_IRQ, "KS8851_IRQ") == 0) &&
++ (gpio_direction_input(OMAP3BEAGLE_GPIO_KS8851_IRQ) == 0)) {
++ gpio_export(OMAP3BEAGLE_GPIO_KS8851_IRQ, 0);
++ omap3beagle_zippy2_spi_board_info[0].irq = OMAP_GPIO_IRQ(OMAP3BEAGLE_GPIO_KS8851_IRQ);
++ set_irq_type(omap3beagle_zippy2_spi_board_info[0].irq, IRQ_TYPE_EDGE_FALLING);
++ } else {
++ printk(KERN_ERR "could not obtain gpio for KS8851_IRQ\n");
++ return;
++ }
++
++ spi_register_board_info(omap3beagle_zippy2_spi_board_info,
++ ARRAY_SIZE(omap3beagle_zippy2_spi_board_info));
++}
++
++#else
++static inline void __init omap3beagle_ks8851_init(void) { return; }
++#endif
+
+ static struct mtd_partition omap3beagle_nand_partitions[] = {
+ /* All the partition sizes are listed in terms of NAND block size */
+@@ -281,8 +324,6 @@ static struct twl4030_hsmmc_info mmc[] = {
+ {
+ .mmc = 2,
+ .wires = 4,
+- .gpio_wp = 141,
+- .gpio_cd = 162,
+ .transceiver = true,
+ .ocr_mask = 0x00100000, /* 3.3V */
+ },
+@@ -606,7 +647,7 @@ static void __init omap3beagle_flash_init(void)
+ }
+ }
+
+-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
++static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
+
+ .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
+ .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
+@@ -626,6 +667,15 @@ static struct omap_board_mux board_mux[] __initdata = {
+ #define board_mux NULL
+ #endif
+
++static int __init expansionboard_setup(char *str)
++{
++ if (!str)
++ return -EINVAL;
++ strncpy(expansionboard_name, str, 16);
++ printk(KERN_INFO "Beagle expansionboard: %s\n", expansionboard_name);
++ return 0;
++}
++
+ static void __init omap3_beagle_init(void)
+ {
+ omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
+@@ -639,8 +689,24 @@ static void __init omap3_beagle_init(void)
+ /* REVISIT leave DVI powered down until it's needed ... */
+ gpio_direction_output(170, true);
+
+- omap3beagle_enc28j60_init();
+-
++ if(!strcmp(expansionboard_name, "zippy"))
++ {
++ printk(KERN_INFO "Beagle expansionboard: initializing enc28j60\n");
++ omap3beagle_enc28j60_init();
++ printk(KERN_INFO "Beagle expansionboard: assigning GPIO 141 and 162 to MMC1\n");
++ mmc[1].gpio_wp = 141;
++ mmc[1].gpio_cd = 162;
++ }
++
++ if(!strcmp(expansionboard_name, "zippy2"))
++ {
++ printk(KERN_INFO "Beagle expansionboard: initializing ks_8851\n");
++ omap3beagle_ks8851_init();
++ printk(KERN_INFO "Beagle expansionboard: assigning GPIO 141 and 162 to MMC1\n");
++ mmc[1].gpio_wp = 141;
++ mmc[1].gpio_cd = 162;
++ }
++
+ usb_musb_init();
+ usb_ehci_init(&ehci_pdata);
+ omap3beagle_flash_init();
+@@ -657,6 +723,8 @@ static void __init omap3_beagle_map_io(void)
+ omap2_map_common_io();
+ }
+
++early_param("buddy", expansionboard_setup);
++
+ MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
+ /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
+ .phys_io = 0x48000000,
+--
+1.6.6.1
+
git.openpandora.org / openembedded.git / commitdiff