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-rw-r--r--board/ti/beagle/beagle.c95
-rw-r--r--board/ti/beagle/beagle.h46
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
generated by cgit v1.1 at 2024-11-30 17:23:16 +0000