#include <netdev.h>
#include <twl4030.h>
#include <asm/io.h>
+#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-types.h>
#include "overo.h"
+DECLARE_GLOBAL_DATA_PTR;
+
+#define TWL4030_I2C_BUS 0
+#define EXPANSION_EEPROM_I2C_BUS 2
+#define EXPANSION_EEPROM_I2C_ADDRESS 0x51
+
+#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_GALLOP43 0x08000200
+
+#define ETTUS_USRP_E 0x01000300
+
+#define GUMSTIX_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;
+
#if defined(CONFIG_CMD_NET)
static void setup_net_chip(void);
#endif
+/* GPMC definitions for LAN9221 chips on Tobi expansion boards */
+static const u32 gpmc_lan_config[] = {
+ NET_LAN9221_GPMC_CONFIG1,
+ NET_LAN9221_GPMC_CONFIG2,
+ NET_LAN9221_GPMC_CONFIG3,
+ NET_LAN9221_GPMC_CONFIG4,
+ NET_LAN9221_GPMC_CONFIG5,
+ NET_LAN9221_GPMC_CONFIG6,
+ /*CONFIG7- computed as params */
+};
+
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_OVERO;
return 0;
}
+/*
+ * Routine: get_board_revision
+ * Description: Returns the board revision
+ */
+int get_board_revision(void)
+{
+ int revision;
+
+ if (!omap_request_gpio(112) &&
+ !omap_request_gpio(113) &&
+ !omap_request_gpio(115)) {
+
+ omap_set_gpio_direction(112, 1);
+ omap_set_gpio_direction(113, 1);
+ omap_set_gpio_direction(115, 1);
+
+ revision = omap_get_gpio_datain(115) << 2 |
+ omap_get_gpio_datain(113) << 1 |
+ omap_get_gpio_datain(112);
+
+ omap_free_gpio(112);
+ omap_free_gpio(113);
+ omap_free_gpio(115);
+ } else {
+ printf("Error: unable to acquire board revision GPIOs\n");
+ revision = -1;
+ }
+
+ return revision;
+}
+
+/*
+ * Routine: get_sdio2_config
+ * Description: Return information about the wifi module connection
+ * Returns 0 if the module connects though a level translator
+ * Returns 1 if the module connects directly
+ */
+int get_sdio2_config(void)
+{
+ int sdio_direct;
+
+ if (!omap_request_gpio(130) && !omap_request_gpio(139)) {
+
+ omap_set_gpio_direction(130, 0);
+ omap_set_gpio_direction(139, 1);
+
+ sdio_direct = 1;
+ omap_set_gpio_dataout(130, 0);
+ if (omap_get_gpio_datain(139) == 0) {
+ omap_set_gpio_dataout(130, 1);
+ if (omap_get_gpio_datain(139) == 1)
+ sdio_direct = 0;
+ }
+
+ omap_free_gpio(130);
+ omap_free_gpio(139);
+ } else {
+ printf("Error: unable to acquire sdio2 clk GPIOs\n");
+ sdio_direct = -1;
+ }
+
+ return sdio_direct;
+}
+
+/*
+ * 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) {
+ i2c_set_bus_num(TWL4030_I2C_BUS);
+ return GUMSTIX_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
int misc_init_r(void)
{
twl4030_power_init();
- twl4030_led_init();
+ twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
#if defined(CONFIG_CMD_NET)
setup_net_chip();
#endif
+ printf("Board revision: %d\n", get_board_revision());
+
+ switch (get_sdio2_config()) {
+ case 0:
+ printf("Tranceiver detected on mmc2\n");
+ MUX_OVERO_SDIO2_TRANSCEIVER();
+ break;
+ case 1:
+ printf("Direct connection on mmc2\n");
+ MUX_OVERO_SDIO2_DIRECT();
+ break;
+ default:
+ printf("Unable to detect mmc2 connection type\n");
+ }
+
+ switch (get_expansion_id()) {
+ case GUMSTIX_SUMMIT:
+ printf("Recognized Summit expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ setenv("defaultdisplay", "dvi");
+ break;
+ case GUMSTIX_TOBI:
+ printf("Recognized Tobi expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ setenv("defaultdisplay", "dvi");
+ break;
+ case GUMSTIX_TOBI_DUO:
+ printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ break;
+ case GUMSTIX_PALO35:
+ printf("Recognized Palo35 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ setenv("defaultdisplay", "lcd35");
+ break;
+ case GUMSTIX_PALO43:
+ printf("Recognized Palo43 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ setenv("defaultdisplay", "lcd43");
+ break;
+ case GUMSTIX_CHESTNUT43:
+ printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ setenv("defaultdisplay", "lcd43");
+ break;
+ case GUMSTIX_PINTO:
+ printf("Recognized Pinto expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ break;
+ case GUMSTIX_GALLOP43:
+ printf("Recognized Gallop43 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ setenv("defaultdisplay", "lcd43");
+ break;
+ case ETTUS_USRP_E:
+ printf("Recognized Ettus Research USRP-E (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_USRP_E();
+ setenv("defaultdisplay", "dvi");
+ break;
+ case GUMSTIX_NO_EEPROM:
+ printf("No EEPROM on expansion board\n");
+ break;
+ default:
+ printf("Unrecognized expansion board\n");
+ }
+
+ if (expansion_config.content == 1)
+ setenv(expansion_config.env_var, expansion_config.env_setting);
+
dieid_num_r();
return 0;
{
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
- /* Configure GPMC registers */
- writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
- writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
- writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
- writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
- writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
- writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
- writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
+ /* first lan chip */
+ enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
+ GPMC_SIZE_16M);
+
+ /* second lan chip */
+ enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4], 0x2B000000,
+ GPMC_SIZE_16M);
/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
#endif
return rc;
}
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+ omap_mmc_init(0);
+ return 0;
+}
+#endif
projects / u-boot / blobdiff