diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap/base/0005-ARM-OMAP-beagleboard-Add-infrastructure-to-do-fixups.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap/base/0005-ARM-OMAP-beagleboard-Add-infrastructure-to-do-fixups.patch | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap/base/0005-ARM-OMAP-beagleboard-Add-infrastructure-to-do-fixups.patch b/extras/recipes-kernel/linux/linux-omap/base/0005-ARM-OMAP-beagleboard-Add-infrastructure-to-do-fixups.patch new file mode 100644 index 00000000..21d8d8fe --- /dev/null +++ b/extras/recipes-kernel/linux/linux-omap/base/0005-ARM-OMAP-beagleboard-Add-infrastructure-to-do-fixups.patch @@ -0,0 +1,219 @@ +From a564ca287c115928a9e7febf7c99bbab582290e6 Mon Sep 17 00:00:00 2001 +From: Koen Kooi <koen@dominion.thruhere.net> +Date: Wed, 6 Oct 2010 10:19:34 +0200 +Subject: [PATCH 05/28] ARM: OMAP: beagleboard: Add infrastructure to do fixups based on expansionboard name passed by u-boot + +Add support for Tincantools Zippy and Zippy2 expansionboards as well + +Signed-off-by: Koen Kooi <koen@beagleboard.org> +--- + arch/arm/mach-omap2/board-omap3beagle.c | 142 ++++++++++++++++++++++++++++++- + 1 files changed, 139 insertions(+), 3 deletions(-) + +diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c +index f9fb64b..d777b3b 100644 +--- a/arch/arm/mach-omap2/board-omap3beagle.c ++++ b/arch/arm/mach-omap2/board-omap3beagle.c +@@ -21,6 +21,7 @@ + #include <linux/io.h> + #include <linux/leds.h> + #include <linux/gpio.h> ++#include <linux/irq.h> + #include <linux/input.h> + #include <linux/gpio_keys.h> + +@@ -143,6 +144,92 @@ fail0: + return; + } + ++char expansionboard_name[16]; ++ ++#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) ++ ++#include <plat/mcspi.h> ++#include <linux/spi/spi.h> ++ ++#define OMAP3BEAGLE_GPIO_ENC28J60_IRQ 157 ++ ++static struct omap2_mcspi_device_config enc28j60_spi_chip_info = { ++ .turbo_mode = 0, ++ .single_channel = 1, /* 0: slave, 1: master */ ++}; ++ ++static struct spi_board_info omap3beagle_zippy_spi_board_info[] __initdata = { ++ { ++ .modalias = "enc28j60", ++ .bus_num = 4, ++ .chip_select = 0, ++ .max_speed_hz = 20000000, ++ .controller_data = &enc28j60_spi_chip_info, ++ }, ++}; ++ ++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_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_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 */ + { +@@ -262,6 +349,12 @@ static struct omap2_hsmmc_info mmc[] = { + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, + .gpio_wp = 29, + }, ++ { ++ .mmc = 2, ++ .caps = MMC_CAP_4_BIT_DATA, ++ .transceiver = true, ++ .ocr_mask = 0x00100000, /* 3.3V */ ++ }, + {} /* Terminator */ + }; + +@@ -457,7 +550,7 @@ static struct twl4030_platform_data beagle_twldata = { + .vpll2 = &beagle_vpll2, + }; + +-static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = { ++static struct i2c_board_info __initdata beagle_i2c1_boardinfo[] = { + { + I2C_BOARD_INFO("twl4030", 0x48), + .flags = I2C_CLIENT_WAKE, +@@ -472,10 +565,24 @@ static struct i2c_board_info __initdata beagle_i2c_eeprom[] = { + }, + }; + ++#if defined(CONFIG_RTC_DRV_DS1307) || \ ++ defined(CONFIG_RTC_DRV_DS1307_MODULE) ++ ++static struct i2c_board_info __initdata beagle_i2c2_boardinfo[] = { ++ { ++ I2C_BOARD_INFO("ds1307", 0x68), ++ }, ++}; ++#else ++static struct i2c_board_info __initdata beagle_i2c2_boardinfo[] = {}; ++#endif ++ + static int __init omap3_beagle_i2c_init(void) + { +- omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo, +- ARRAY_SIZE(beagle_i2c_boardinfo)); ++ omap_register_i2c_bus(1, 2600, beagle_i2c1_boardinfo, ++ ARRAY_SIZE(beagle_i2c1_boardinfo)); ++ omap_register_i2c_bus(2, 400, beagle_i2c2_boardinfo, ++ ARRAY_SIZE(beagle_i2c2_boardinfo)); + /* Bus 3 is attached to the DVI port where devices like the pico DLP + * projector don't work reliably with 400kHz */ + omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom)); +@@ -609,6 +716,15 @@ static struct omap_musb_board_data musb_board_data = { + .power = 100, + }; + ++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); +@@ -623,6 +739,24 @@ static void __init omap3_beagle_init(void) + /* REVISIT leave DVI powered down until it's needed ... */ + gpio_direction_output(170, true); + ++ 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(&musb_board_data); + usb_ehci_init(&ehci_pdata); + omap3beagle_flash_init(); +@@ -634,6 +768,8 @@ static void __init omap3_beagle_init(void) + beagle_display_init(); + } + ++early_param("buddy", expansionboard_setup); ++ + MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") + /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ + .boot_params = 0x80000100, +-- +1.6.6.1 + |