#include <common.h>
#include <netdev.h>
#include <twl4030.h>
+#include <linux/mtd/nand.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/arch/gpio.h>
+#include <asm/arch/omap_gpmc.h>
+#include <asm/gpio.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
*/
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;
{
int revision;
- if (!omap_request_gpio(112) &&
- !omap_request_gpio(113) &&
- !omap_request_gpio(115)) {
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+ unsigned char data;
- omap_set_gpio_direction(112, 1);
- omap_set_gpio_direction(113, 1);
- omap_set_gpio_direction(115, 1);
+ /* board revisions <= R2410 connect 4030 irq_1 to gpio112 */
+ /* these boards should return a revision number of 0 */
+ /* the code below forces a 4030 RTC irq to ensure that gpio112 is low */
+ i2c_set_bus_num(TWL4030_I2C_BUS);
+ data = 0x01;
+ i2c_write(0x4B, 0x29, 1, &data, 1);
+ data = 0x0c;
+ i2c_write(0x4B, 0x2b, 1, &data, 1);
+ i2c_read(0x4B, 0x2a, 1, &data, 1);
+#endif
+
+ if (!gpio_request(112, "") &&
+ !gpio_request(113, "") &&
+ !gpio_request(115, "")) {
- revision = omap_get_gpio_datain(115) << 2 |
- omap_get_gpio_datain(113) << 1 |
- omap_get_gpio_datain(112);
+ gpio_direction_input(112);
+ gpio_direction_input(113);
+ gpio_direction_input(115);
- omap_free_gpio(112);
- omap_free_gpio(113);
- omap_free_gpio(115);
+ revision = gpio_get_value(115) << 2 |
+ gpio_get_value(113) << 1 |
+ gpio_get_value(112);
} else {
- printf("Error: unable to acquire board revision GPIOs\n");
+ puts("Error: unable to acquire board revision GPIOs\n");
revision = -1;
}
return revision;
}
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on both banks.
+ */
+void get_board_mem_timings(struct board_sdrc_timings *timings)
+{
+ timings->mr = MICRON_V_MR_165;
+ switch (get_board_revision()) {
+ case REVISION_0: /* Micron 1286MB/256MB, 1/2 banks of 128MB */
+ timings->mcfg = MICRON_V_MCFG_165(128 << 20);
+ timings->ctrla = MICRON_V_ACTIMA_165;
+ timings->ctrlb = MICRON_V_ACTIMB_165;
+ timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ break;
+ case REVISION_1: /* Micron 256MB/512MB, 1/2 banks of 256MB */
+ timings->mcfg = MICRON_V_MCFG_165(256 << 20);
+ timings->ctrla = MICRON_V_ACTIMA_165;
+ timings->ctrlb = MICRON_V_ACTIMB_165;
+ timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ break;
+ case REVISION_2: /* Hynix 256MB/512MB, 1/2 banks of 256MB */
+ timings->mcfg = HYNIX_V_MCFG_165(256 << 20);
+ timings->ctrla = HYNIX_V_ACTIMA_165;
+ timings->ctrlb = HYNIX_V_ACTIMB_165;
+ timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ break;
+ default:
+ timings->mcfg = MICRON_V_MCFG_165(128 << 20);
+ timings->ctrla = MICRON_V_ACTIMA_165;
+ timings->ctrlb = MICRON_V_ACTIMB_165;
+ timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ }
+}
+#endif
+
/*
* Routine: get_sdio2_config
* Description: Return information about the wifi module connection
{
int sdio_direct;
- if (!omap_request_gpio(130) && !omap_request_gpio(139)) {
+ if (!gpio_request(130, "") && !gpio_request(139, "")) {
- omap_set_gpio_direction(130, 0);
- omap_set_gpio_direction(139, 1);
+ gpio_direction_output(130, 0);
+ gpio_direction_input(139);
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)
+ gpio_set_value(130, 0);
+ if (gpio_get_value(139) == 0) {
+ gpio_set_value(130, 1);
+ if (gpio_get_value(139) == 1)
sdio_direct = 0;
}
- omap_free_gpio(130);
- omap_free_gpio(139);
+ gpio_direction_input(130);
} else {
- printf("Error: unable to acquire sdio2 clk GPIOs\n");
+ puts("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
switch (get_sdio2_config()) {
case 0:
- printf("Tranceiver detected on mmc2\n");
+ puts("Tranceiver detected on mmc2\n");
MUX_OVERO_SDIO2_TRANSCEIVER();
break;
case 1:
- printf("Direct connection on mmc2\n");
+ puts("Direct connection on mmc2\n");
MUX_OVERO_SDIO2_DIRECT();
break;
default:
- printf("Unable to detect mmc2 connection type\n");
+ puts("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);
+ /* second lan chip */
+ enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4],
+ 0x2B000000, GPMC_SIZE_16M);
+ 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:
+ puts("No EEPROM on expansion board\n");
+ break;
+ default:
+ puts("Unrecognized expansion board\n");
+ }
+
+ if (expansion_config.content == 1)
+ setenv(expansion_config.env_var, expansion_config.env_setting);
+
dieid_num_r();
return 0;
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);
/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
&ctrl_base->gpmc_nadv_ale);
/* Make GPIO 64 as output pin and send a magic pulse through it */
- if (!omap_request_gpio(64)) {
- omap_set_gpio_direction(64, 0);
- omap_set_gpio_dataout(64, 1);
+ if (!gpio_request(64, "")) {
+ gpio_direction_output(64, 0);
+ gpio_set_value(64, 1);
udelay(1);
- omap_set_gpio_dataout(64, 0);
+ gpio_set_value(64, 0);
udelay(1);
- omap_set_gpio_dataout(64, 1);
+ gpio_set_value(64, 1);
}
}
#endif
#endif
return rc;
}
+
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
+int board_mmc_init(bd_t *bis)
+{
+ return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
projects / karo-tx-uboot.git / blobdiff