* (C) Copyright 2004-2008
* Texas Instruments, <www.ti.com>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
+#include <ns16550.h>
#include <netdev.h>
#include <twl4030.h>
+#include <linux/mtd/rawnand.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/gpio.h>
#include <asm/mach-types.h>
#include "overo.h"
-#if defined(CONFIG_CMD_NET)
-static void setup_net_chip(void);
+#ifdef CONFIG_USB_EHCI_HCD
+#include <usb.h>
+#include <asm/ehci-omap.h>
#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 */
-};
+DECLARE_GLOBAL_DATA_PTR;
-/*
- * Routine: board_init
- * Description: Early hardware init.
- */
-int board_init(void)
-{
- DECLARE_GLOBAL_DATA_PTR;
+#define TWL4030_I2C_BUS 0
+#define EXPANSION_EEPROM_I2C_BUS 2
+#define EXPANSION_EEPROM_I2C_ADDRESS 0x51
- gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
- /* board id for Linux */
- gd->bd->bi_arch_number = MACH_TYPE_OVERO;
- /* boot param addr */
- gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+#define GUMSTIX_EMPTY_EEPROM 0x0
- return 0;
-}
+#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 GUMSTIX_ALTO35 0x09000200
+#define GUMSTIX_STAGECOACH 0x0A000200
+#define GUMSTIX_THUMBO 0x0B000200
+#define GUMSTIX_TURTLECORE 0x0C000200
+#define GUMSTIX_ARBOR43C 0x0D000200
-/*
- * 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)) {
+#define ETTUS_USRP_E 0x01000300
- omap_set_gpio_direction(112, 1);
- omap_set_gpio_direction(113, 1);
- omap_set_gpio_direction(115, 1);
+#define GUMSTIX_NO_EEPROM 0xffffffff
- revision = omap_get_gpio_datain(115) << 2 |
- omap_get_gpio_datain(113) << 1 |
- omap_get_gpio_datain(112);
+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 = {0x0};
- omap_free_gpio(112);
- omap_free_gpio(113);
- omap_free_gpio(115);
- } else {
- printf("Error: unable to acquire board revision GPIOs\n");
- revision = -1;
- }
+static const struct ns16550_platdata overo_serial = {
+ .base = OMAP34XX_UART3,
+ .reg_shift = 2,
+ .clock = V_NS16550_CLK,
+ .fcr = UART_FCR_DEFVAL,
+};
- return revision;
-}
+U_BOOT_DEVICE(overo_uart) = {
+ "ns16550_serial",
+ &overo_serial
+};
/*
* Routine: get_sdio2_config
{
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)
+{
+ if (expansion_config.device_vendor != 0x0)
+ return expansion_config.device_vendor;
+
+ 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)
{
+ unsigned int expansion_id;
+
twl4030_power_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");
+ 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");
+ }
+
+ expansion_id = get_expansion_id();
+ switch (expansion_id) {
+ case GUMSTIX_SUMMIT:
+ printf("Recognized Summit expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ env_set("defaultdisplay", "dvi");
+ env_set("expansionname", "summit");
+ break;
+ case GUMSTIX_TOBI:
+ printf("Recognized Tobi expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ env_set("defaultdisplay", "dvi");
+ env_set("expansionname", "tobi");
+ break;
+ case GUMSTIX_TOBI_DUO:
+ printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ env_set("expansionname", "tobiduo");
+ break;
+ case GUMSTIX_PALO35:
+ printf("Recognized Palo35 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ env_set("defaultdisplay", "lcd35");
+ env_set("expansionname", "palo35");
+ break;
+ case GUMSTIX_PALO43:
+ printf("Recognized Palo43 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ env_set("defaultdisplay", "lcd43");
+ env_set("expansionname", "palo43");
+ break;
+ case GUMSTIX_CHESTNUT43:
+ printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ env_set("defaultdisplay", "lcd43");
+ env_set("expansionname", "chestnut43");
+ break;
+ case GUMSTIX_PINTO:
+ printf("Recognized Pinto expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ break;
+ case GUMSTIX_GALLOP43:
+ printf("Recognized Gallop43 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ env_set("defaultdisplay", "lcd43");
+ env_set("expansionname", "gallop43");
+ break;
+ case GUMSTIX_ALTO35:
+ printf("Recognized Alto35 expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ MUX_ALTO35();
+ env_set("defaultdisplay", "lcd35");
+ env_set("expansionname", "alto35");
+ break;
+ case GUMSTIX_STAGECOACH:
+ printf("Recognized Stagecoach expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ break;
+ case GUMSTIX_THUMBO:
+ printf("Recognized Thumbo expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ break;
+ case GUMSTIX_TURTLECORE:
+ printf("Recognized Turtlecore expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ break;
+ case GUMSTIX_ARBOR43C:
+ printf("Recognized Arbor43C expansion board (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ MUX_ARBOR43C();
+ env_set("defaultdisplay", "lcd43");
+ env_set("expansionname", "arbor43c");
+ break;
+ case ETTUS_USRP_E:
+ printf("Recognized Ettus Research USRP-E (rev %d %s)\n",
+ expansion_config.revision,
+ expansion_config.fab_revision);
+ MUX_GUMSTIX();
+ MUX_USRP_E();
+ env_set("defaultdisplay", "dvi");
+ break;
+ case GUMSTIX_NO_EEPROM:
+ case GUMSTIX_EMPTY_EEPROM:
+ puts("No or empty EEPROM on expansion board\n");
+ MUX_GUMSTIX();
+ env_set("expansionname", "tobi");
+ break;
+ default:
+ printf("Unrecognized expansion board 0x%08x\n", expansion_id);
+ break;
}
- dieid_num_r();
+ if (expansion_config.content == 1)
+ env_set(expansion_config.env_var, expansion_config.env_setting);
- return 0;
-}
+ omap_die_id_display();
-/*
- * Routine: set_muxconf_regs
- * Description: Setting up the configuration Mux registers specific to the
- * hardware. Many pins need to be moved from protect to primary
- * mode.
- */
-void set_muxconf_regs(void)
-{
- MUX_OVERO();
+ if (get_cpu_family() == CPU_OMAP34XX)
+ env_set("boardname", "overo");
+ else
+ env_set("boardname", "overo-storm");
+
+ return 0;
}
#if defined(CONFIG_CMD_NET)
+/* 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: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the
{
struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
- /* 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);
/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
&ctrl_base->gpmc_nadv_ale);
+}
+/*
+ * Routine: reset_net_chip
+ * Description: Reset the Ethernet hardware.
+ */
+static void reset_net_chip(void)
+{
/* 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
int board_eth_init(bd_t *bis)
{
+ unsigned int expansion_id;
int rc = 0;
+
#ifdef CONFIG_SMC911X
- rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+ expansion_id = get_expansion_id();
+ switch (expansion_id) {
+ case GUMSTIX_TOBI_DUO:
+ /* second lan chip */
+ enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4],
+ 0x2B000000, GPMC_SIZE_16M);
+ /* no break */
+ case GUMSTIX_TOBI:
+ case GUMSTIX_CHESTNUT43:
+ case GUMSTIX_STAGECOACH:
+ case GUMSTIX_NO_EEPROM:
+ case GUMSTIX_EMPTY_EEPROM:
+ /* first lan chip */
+ enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
+ 0x2C000000, GPMC_SIZE_16M);
+
+ setup_net_chip();
+ reset_net_chip();
+
+ rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+ break;
+ default:
+ break;
+ }
#endif
+
return rc;
}
+#endif
-#ifdef CONFIG_GENERIC_MMC
+#if defined(CONFIG_MMC)
int board_mmc_init(bd_t *bis)
{
- omap_mmc_init(0);
- return 0;
+ return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
+
+#if defined(CONFIG_MMC)
+void board_mmc_power_init(void)
+{
+ twl4030_power_mmc_init(0);
}
#endif
+
+#if defined(CONFIG_USB_EHCI_HCD)
+static struct omap_usbhs_board_data usbhs_bdata = {
+ .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
+ .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
+ .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
+};
+
+#define GUMSTIX_GPIO_USBH_CPEN 168
+int ehci_hcd_init(int index, enum usb_init_type init,
+ struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+{
+ /* Enable USB power */
+ if (!gpio_request(GUMSTIX_GPIO_USBH_CPEN, "usbh_cpen"))
+ gpio_direction_output(GUMSTIX_GPIO_USBH_CPEN, 1);
+
+ return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
+}
+
+int ehci_hcd_stop(void)
+{
+ /* Disable USB power */
+ gpio_set_value(GUMSTIX_GPIO_USBH_CPEN, 0);
+ gpio_free(GUMSTIX_GPIO_USBH_CPEN);
+
+ return omap_ehci_hcd_stop();
+}
+
+#endif /* CONFIG_USB_EHCI_HCD */
projects / u-boot / blobdiff