Merge branch 'master' of git://git.denx.de/u-boot-arm

2 files changed, 139 insertions, 2 deletions

diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index c5d6679..d9b6f01 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -39,6 +39,27 @@
 #include <asm/mach-types.h>
 #include "beagle.h"
 
+#define TWL4030_I2C_BUS			0
+#define EXPANSION_EEPROM_I2C_BUS	1
+#define EXPANSION_EEPROM_I2C_ADDRESS	0x50
+
+#define TINCANTOOLS_ZIPPY		0x01000100
+#define TINCANTOOLS_ZIPPY2		0x02000100
+#define TINCANTOOLS_TRAINER		0x04000100
+#define TINCANTOOLS_SHOWDOG		0x03000100
+#define KBADC_BEAGLEFPGA		0x01000600
+
+#define BEAGLE_NO_EEPROM		0xffffffff
+
+static struct {
+	unsigned int device_vendor;
+	unsigned char revision;
+	unsigned char content;
+	char fab_revision[8];
+	char env_var[16];
+	char env_setting[64];
+} expansion_config;
+
 /*
  * Routine: board_init
  * Description: Early hardware init.
@@ -95,6 +116,31 @@ int get_board_revision(void)
 }
 
 /*
+ * Routine: get_expansion_id
+ * Description: This function checks for expansion board by checking I2C
+ *		bus 1 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 BEAGLE_NO_EEPROM if eeprom doesn't respond */
+	if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
+		i2c_set_bus_num(TWL4030_I2C_BUS);
+		return BEAGLE_NO_EEPROM;
+	}
+
+	/* read configuration data */
+	i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
+		 sizeof(expansion_config));
+
+	i2c_set_bus_num(TWL4030_I2C_BUS);
+
+	return expansion_config.device_vendor;
+}
+
+/*
  * Routine: misc_init_r
  * Description: Configure board specific parts
  */
@@ -141,6 +187,55 @@ int misc_init_r(void)
 		printf("Beagle unknown 0x%02x\n", get_board_revision());
 	}
 
+	switch (get_expansion_id()) {
+	case TINCANTOOLS_ZIPPY:
+		printf("Recognized Tincantools Zippy board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		MUX_TINCANTOOLS_ZIPPY();
+		setenv("buddy", "zippy");
+		break;
+	case TINCANTOOLS_ZIPPY2:
+		printf("Recognized Tincantools Zippy2 board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		MUX_TINCANTOOLS_ZIPPY();
+		setenv("buddy", "zippy2");
+		break;
+	case TINCANTOOLS_TRAINER:
+		printf("Recognized Tincantools Trainer board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		MUX_TINCANTOOLS_ZIPPY();
+		MUX_TINCANTOOLS_TRAINER();
+		setenv("buddy", "trainer");
+		break;
+	case TINCANTOOLS_SHOWDOG:
+		printf("Recognized Tincantools Showdow board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		/* Place holder for DSS2 definition for showdog lcd */
+		setenv("defaultdisplay", "showdoglcd");
+		setenv("buddy", "showdog");
+		break;
+	case KBADC_BEAGLEFPGA:
+		printf("Recognized KBADC Beagle FPGA board\n");
+		MUX_KBADC_BEAGLEFPGA();
+		setenv("buddy", "beaglefpga");
+		break;
+	case BEAGLE_NO_EEPROM:
+		printf("No EEPROM on expansion board\n");
+		setenv("buddy", "none");
+		break;
+	default:
+		printf("Unrecognized expansion board: %x\n",
+			expansion_config.device_vendor);
+		setenv("buddy", "unknown");
+	}
+
+	if (expansion_config.content == 1)
+		setenv(expansion_config.env_var, expansion_config.env_setting);
+
 	twl4030_power_init();
 	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
 
diff --git a/board/ti/beagle/beagle.h b/board/ti/beagle/beagle.h
index ec0da6d..b22b653 100644
--- a/board/ti/beagle/beagle.h
+++ b/board/ti/beagle/beagle.h
@@ -259,8 +259,8 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(HSUSB0_DATA7),	(IEN  | PTD | DIS | M0)) /*HSUSB0_DATA7*/\
 	MUX_VAL(CP(I2C1_SCL),		(IEN  | PTU | EN  | M0)) /*I2C1_SCL*/\
 	MUX_VAL(CP(I2C1_SDA),		(IEN  | PTU | EN  | M0)) /*I2C1_SDA*/\
-	MUX_VAL(CP(I2C2_SCL),		(IEN  | PTU | EN  | M4)) /*GPIO_168*/\
-	MUX_VAL(CP(I2C2_SDA),		(IEN  | PTU | EN  | M4)) /*GPIO_183*/\
+	MUX_VAL(CP(I2C2_SCL),		(IEN  | PTU | EN  | M0)) /*I2C2_SCL*/\
+	MUX_VAL(CP(I2C2_SDA),		(IEN  | PTU | EN  | M0)) /*I2C2_SDA*/\
 	MUX_VAL(CP(I2C3_SCL),		(IEN  | PTU | EN  | M0)) /*I2C3_SCL*/\
 	MUX_VAL(CP(I2C3_SDA),		(IEN  | PTU | EN  | M0)) /*I2C3_SDA*/\
 	MUX_VAL(CP(I2C4_SCL),		(IEN  | PTU | EN  | M0)) /*I2C4_SCL*/\
@@ -415,4 +415,46 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(SYS_BOOT5),		(IDIS | PTD | DIS | M3)) /*DSS_DATA22*/\
 	MUX_VAL(CP(SYS_BOOT6),		(IDIS | PTD | DIS | M3)) /*DSS_DATA23*/
 
+#define MUX_TINCANTOOLS_ZIPPY() \
+	MUX_VAL(CP(MMC2_CLK),       (IEN  | PTU | EN  | M0)) /*MMC2_CLK*/\
+	MUX_VAL(CP(MMC2_CMD),       (IEN  | PTU | EN  | M0)) /*MMC2_CMD*/\
+	MUX_VAL(CP(MMC2_DAT0),      (IEN  | PTU | EN  | M0)) /*MMC2_DAT0*/\
+	MUX_VAL(CP(MMC2_DAT1),      (IEN  | PTU | EN  | M0)) /*MMC2_DAT1*/\
+	MUX_VAL(CP(MMC2_DAT2),      (IEN  | PTU | EN  | M0)) /*MMC2_DAT2*/\
+	MUX_VAL(CP(MMC2_DAT3),      (IEN  | PTU | EN  | M0)) /*MMC2_DAT3*/\
+	MUX_VAL(CP(MMC2_DAT4),      (IEN  | PTU | EN  | M1)) /*MMC2_DIR_DAT0*/\
+	MUX_VAL(CP(MMC2_DAT5),      (IEN  | PTU | EN  | M1)) /*MMC2_DIR_DAT1*/\
+	MUX_VAL(CP(MMC2_DAT6),      (IEN  | PTU | EN  | M1)) /*MMC2_DIR_CMD*/\
+	MUX_VAL(CP(MMC2_DAT7),      (IEN  | PTU | EN  | M1)) /*MMC2_CLKIN*/\
+	MUX_VAL(CP(MCBSP1_CLKR),    (IEN  | PTU | EN  | M1)) /*MCSPI4_CLK*/\
+	MUX_VAL(CP(MCBSP1_FSR),     (IEN  | PTU | EN  | M4)) /*GPIO_157*/\
+	MUX_VAL(CP(MCBSP1_DX),      (IEN  | PTD | EN  | M1)) /*MCSPI4_SIMO*/\
+	MUX_VAL(CP(MCBSP1_DR),      (IEN  | PTD | DIS | M1)) /*MCSPI4_SOMI*/\
+	MUX_VAL(CP(MCBSP1_FSX),     (IEN  | PTD | EN  | M1)) /*MCSPI4_CS0*/\
+	MUX_VAL(CP(MCBSP1_CLKX),    (IEN  | PTD | DIS | M4)) /*GPIO_162*/\
+	MUX_VAL(CP(MCBSP3_DX),      (IEN  | PTD | DIS | M4)) /*GPIO_140*/\
+	MUX_VAL(CP(MCBSP3_DR),      (IEN  | PTD | DIS | M4)) /*GPIO_142*/\
+	MUX_VAL(CP(MCBSP3_CLKX),    (IEN  | PTD | DIS | M4)) /*GPIO_141*/
+
+#define MUX_TINCANTOOLS_TRAINER() \
+	MUX_VAL(CP(MMC2_CLK),       (IEN  | PTU | EN  | M4)) /*GPIO_130*/\
+	MUX_VAL(CP(MMC2_CMD),       (IEN  | PTU | EN  | M4)) /*GPIO_131*/\
+	MUX_VAL(CP(MMC2_DAT0),      (IEN  | PTU | EN  | M4)) /*GPIO_132*/\
+	MUX_VAL(CP(MMC2_DAT1),      (IEN  | PTU | EN  | M4)) /*GPIO_133*/\
+	MUX_VAL(CP(MMC2_DAT2),      (IEN  | PTU | EN  | M4)) /*GPIO_134*/\
+	MUX_VAL(CP(MMC2_DAT3),      (IEN  | PTU | EN  | M4)) /*GPIO_135*/\
+	MUX_VAL(CP(MMC2_DAT4),      (IEN  | PTU | EN  | M4)) /*GPIO_136*/\
+	MUX_VAL(CP(MMC2_DAT5),      (IEN  | PTU | EN  | M4)) /*GPIO_137*/\
+	MUX_VAL(CP(MMC2_DAT6),      (IEN  | PTU | EN  | M4)) /*GPIO_138*/\
+	MUX_VAL(CP(MMC2_DAT7),      (IEN  | PTU | EN  | M4)) /*GPIO_139*/\
+	MUX_VAL(CP(MCBSP3_DX),      (IEN  | PTU | EN  | M4)) /*GPIO_140*/\
+	MUX_VAL(CP(MCBSP3_CLKX),    (IEN  | PTU | EN  | M4)) /*GPIO_141*/\
+	MUX_VAL(CP(MCBSP1_CLKX),    (IEN  | PTU | EN  | M4)) /*GPIO_162*/
+
+#define MUX_KBADC_BEAGLEFPGA() \
+	MUX_VAL(CP(MCBSP1_CLKR),    (IEN  | PTU | DIS | M1)) /*MCSPI4_CLK*/\
+	MUX_VAL(CP(MCBSP1_DX),      (IDIS | PTU | DIS | M1)) /*MCSPI4_SIMO*/\
+	MUX_VAL(CP(MCBSP1_DR),      (IEN  | PTU | EN  | M1)) /*MCSPI4_SOMI*/\
+	MUX_VAL(CP(MCBSP1_FSX),     (IDIS | PTU | DIS | M1)) /*MCSPI4_CS0*/
+
 #endif