diff options
Diffstat (limited to 'recipes-bsp/u-boot/u-boot/0007-OMAP3-detect-expansion-board-type-version-using-eepr.patch')
| -rw-r--r-- | recipes-bsp/u-boot/u-boot/0007-OMAP3-detect-expansion-board-type-version-using-eepr.patch | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/recipes-bsp/u-boot/u-boot/0007-OMAP3-detect-expansion-board-type-version-using-eepr.patch b/recipes-bsp/u-boot/u-boot/0007-OMAP3-detect-expansion-board-type-version-using-eepr.patch deleted file mode 100644 index d89469c56d..0000000000 --- a/recipes-bsp/u-boot/u-boot/0007-OMAP3-detect-expansion-board-type-version-using-eepr.patch +++ /dev/null @@ -1,129 +0,0 @@ -From f1ad90ae5fd07257ea42aa771e16a7798cd440bb Mon Sep 17 00:00:00 2001 -From: Steve Sakoman <steve@sakoman.com> -Date: Fri, 12 Feb 2010 12:17:48 -0800 -Subject: [PATCH 07/51] OMAP3: detect expansion board type/version using eeprom contents - ---- - board/overo/overo.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++ - 1 files changed, 92 insertions(+), 0 deletions(-) - -diff --git a/board/overo/overo.c b/board/overo/overo.c -index 3df1a12..2838a1f 100644 ---- a/board/overo/overo.c -+++ b/board/overo/overo.c -@@ -39,6 +39,31 @@ - #include <asm/mach-types.h> - #include "overo.h" - -+static struct { -+ unsigned int device_vendor; -+ unsigned char revision; -+ unsigned char content; -+ unsigned char data[6]; -+} expansion_config; -+ -+#define TWL4030_I2C_BUS 0 -+ -+#define EXPANSION_EEPROM_I2C_BUS 2 -+#define EXPANSION_EEPROM_I2C_ADDRESS 0x50 -+ -+#define GUMSTIX_VENDORID 0x0200 -+ -+#define GUMSTIX_SUMMIT 0x01000200 -+#define GUMSTIX_TOBI 0x02000200 -+#define GUMSTIX_TOBI_DUO 0x03000200 -+#define GUMSTIX_PALO35 0x04000200 -+#define GUMSTIX_PALO43 0x05000200 -+#define GUMSTIX_CHESTNUT43 0x06000200 -+#define GUMSTIX_PINTO 0x07000200 -+ -+#define GUMSTIX_NO_EEPROM 0xfffffffe -+#define GUMSTIX_UNKNOWN 0xffffffff -+ - #if defined(CONFIG_CMD_NET) - static void setup_net_chip(void); - #endif -@@ -130,6 +155,31 @@ int get_board_revision(void) { - } - - /* -+ * Routine: get_expansion_id -+ * Description: This function checks for expansion board by checking I2C -+ * bus 2 for the availability of an AT24C01B serial EEPROM. -+ * returns the device_vendor field from the EEPROM -+ */ -+unsigned int get_expansion_id(void) -+{ -+ i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS); -+ -+ /* return GUMSTIX_NO_EEPROM if eeprom doesn't respond */ -+ if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) -+ return GUMSTIX_NO_EEPROM; -+ -+ /* read configuration data */ -+ i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config, -+ sizeof(expansion_config)); -+ -+ if ( (expansion_config.device_vendor & 0xffff) != GUMSTIX_VENDORID ) -+ return GUMSTIX_UNKNOWN; -+ else -+ return expansion_config.device_vendor; -+} -+ -+ -+/* - * Routine: misc_init_r - * Description: Configure board specific parts - */ -@@ -156,6 +206,48 @@ int misc_init_r(void) - printf(" unsupported\n"); - } - -+ switch (get_expansion_id()) { -+ case GUMSTIX_SUMMIT: -+ printf("Recognized Summit expansion board (rev %d %s)\n", -+ expansion_config.revision, expansion_config.data); -+ setenv("defaultdisplay", "dvi"); -+ break; -+ case GUMSTIX_TOBI: -+ printf("Recognized Tobi expansion board (rev %d %s)\n", -+ expansion_config.revision, expansion_config.data); -+ setenv("defaultdisplay", "dvi"); -+ break; -+ case GUMSTIX_TOBI_DUO: -+ printf("Recognized Tobi Duo expansion board (rev %d %s)\n", -+ expansion_config.revision, expansion_config.data); -+ break; -+ case GUMSTIX_PALO35: -+ printf("Recognized Palo 35 expansion board (rev %d %s)\n", -+ expansion_config.revision, expansion_config.data); -+ setenv("defaultdisplay", "lcd35"); -+ break; -+ case GUMSTIX_PALO43: -+ printf("Recognized Palo 43 expansion board (rev %d %s)\n", -+ expansion_config.revision, expansion_config.data); -+ setenv("defaultdisplay", "lcd43"); -+ break; -+ case GUMSTIX_CHESTNUT43: -+ printf("Recognized Chestnut 43 expansion board (rev %d %s)\n", -+ expansion_config.revision, expansion_config.data); -+ setenv("defaultdisplay", "lcd43"); -+ break; -+ case GUMSTIX_PINTO: -+ printf("Recognized Pinto expansion board (rev %d %s)\n", -+ expansion_config.revision, expansion_config.data); -+ break; -+ case GUMSTIX_NO_EEPROM: -+ printf("No EEPROM on expansion board\n"); -+ break; -+ case GUMSTIX_UNKNOWN: -+ printf("Unrecognized expansion board\n"); -+ } -+ -+ i2c_set_bus_num(TWL4030_I2C_BUS); - twl4030_power_init(); - twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); - --- -1.6.6.1 - |