diff options
Diffstat (limited to 'board/ti/beagle')
-rw-r--r-- | board/ti/beagle/Makefile | 4 | ||||
-rw-r--r-- | board/ti/beagle/beagle.c | 95 | ||||
-rw-r--r-- | board/ti/beagle/beagle.h | 46 |
3 files changed, 141 insertions, 4 deletions
diff --git a/board/ti/beagle/Makefile b/board/ti/beagle/Makefile index f797112..3b4aaac 100644 --- a/board/ti/beagle/Makefile +++ b/board/ti/beagle/Makefile @@ -23,7 +23,7 @@ include $(TOPDIR)/config.mk -LIB = $(obj)lib$(BOARD).a +LIB = $(obj)lib$(BOARD).o COBJS := beagle.o @@ -31,7 +31,7 @@ SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) $(LIB): $(obj).depend $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) + $(call cmd_link_o_target, $(OBJS)) clean: rm -f $(OBJS) 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 |