* (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/nand.h>
#include <asm/arch/mux.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
-#include <asm/arch/omap_gpmc.h>
#include <asm/gpio.h>
#include <asm/mach-types.h>
#include "overo.h"
+#ifdef CONFIG_USB_EHCI
+#include <usb.h>
+#include <asm/ehci-omap.h>
+#endif
+
DECLARE_GLOBAL_DATA_PTR;
#define TWL4030_I2C_BUS 0
#define EXPANSION_EEPROM_I2C_BUS 2
#define EXPANSION_EEPROM_I2C_ADDRESS 0x51
+#define GUMSTIX_EMPTY_EEPROM 0x0
+
#define GUMSTIX_SUMMIT 0x01000200
#define GUMSTIX_TOBI 0x02000200
#define GUMSTIX_TOBI_DUO 0x03000200
#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
#define ETTUS_USRP_E 0x01000300
char fab_revision[8];
char env_var[16];
char env_setting[64];
-} expansion_config;
+} expansion_config = {0x0};
-#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 */
+static const struct ns16550_platdata overo_serial = {
+ .base = OMAP34XX_UART3,
+ .reg_shift = 2,
+ .clock = V_NS16550_CLK,
+ .fcr = UART_FCR_DEFVAL,
};
-/*
- * Routine: board_init
- * Description: Early hardware init.
- */
-int board_init(void)
-{
- 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);
-
- return 0;
-}
-
-/*
- * Routine: get_board_revision
- * Description: Returns the board revision
- */
-int get_board_revision(void)
-{
- int revision;
-
-#ifdef CONFIG_DRIVER_OMAP34XX_I2C
- unsigned char data;
-
- /* 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, "")) {
-
- gpio_direction_input(112);
- gpio_direction_input(113);
- gpio_direction_input(115);
-
- revision = gpio_get_value(115) << 2 |
- gpio_get_value(113) << 1 |
- gpio_get_value(112);
- } else {
- 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
+U_BOOT_DEVICE(overo_uart) = {
+ "ns16550_serial",
+ &overo_serial
+};
/*
* Routine: get_sdio2_config
*/
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 */
*/
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()) {
puts("Unable to detect mmc2 connection type\n");
}
- switch (get_expansion_id()) {
+ 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();
setenv("defaultdisplay", "dvi");
+ setenv("expansionname", "summit");
break;
case GUMSTIX_TOBI:
printf("Recognized Tobi expansion board (rev %d %s)\n",
expansion_config.revision,
expansion_config.fab_revision);
+ MUX_GUMSTIX();
setenv("defaultdisplay", "dvi");
+ setenv("expansionname", "tobi");
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);
+ MUX_GUMSTIX();
+ setenv("expansionname", "tobiduo");
break;
case GUMSTIX_PALO35:
printf("Recognized Palo35 expansion board (rev %d %s)\n",
expansion_config.revision,
expansion_config.fab_revision);
+ MUX_GUMSTIX();
setenv("defaultdisplay", "lcd35");
+ setenv("expansionname", "palo35");
break;
case GUMSTIX_PALO43:
printf("Recognized Palo43 expansion board (rev %d %s)\n",
expansion_config.revision,
expansion_config.fab_revision);
+ MUX_GUMSTIX();
setenv("defaultdisplay", "lcd43");
+ setenv("expansionname", "palo43");
break;
case GUMSTIX_CHESTNUT43:
printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
expansion_config.revision,
expansion_config.fab_revision);
+ MUX_GUMSTIX();
setenv("defaultdisplay", "lcd43");
+ setenv("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();
setenv("defaultdisplay", "lcd43");
+ setenv("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();
+ setenv("defaultdisplay", "lcd35");
+ setenv("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();
+ setenv("defaultdisplay", "lcd43");
+ setenv("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();
setenv("defaultdisplay", "dvi");
break;
case GUMSTIX_NO_EEPROM:
- puts("No EEPROM on expansion board\n");
+ case GUMSTIX_EMPTY_EEPROM:
+ puts("No or empty EEPROM on expansion board\n");
+ MUX_GUMSTIX();
+ setenv("expansionname", "tobi");
break;
default:
- puts("Unrecognized expansion board\n");
+ printf("Unrecognized expansion board 0x%08x\n", expansion_id);
+ break;
}
if (expansion_config.content == 1)
setenv(expansion_config.env_var, expansion_config.env_setting);
- dieid_num_r();
+ omap_die_id_display();
- return 0;
-}
+ if (get_cpu_family() == CPU_OMAP34XX)
+ setenv("boardname", "overo");
+ else
+ setenv("boardname", "overo-storm");
-/*
- * 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();
+ 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);
-
/* 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 (!gpio_request(64, "")) {
gpio_direction_output(64, 0);
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
-#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_GENERIC_MMC)
int board_mmc_init(bd_t *bis)
{
- return omap_mmc_init(0, 0, 0, -1);
+ return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
+
+#if defined(CONFIG_GENERIC_MMC)
+void board_mmc_power_init(void)
+{
+ twl4030_power_mmc_init(0);
}
#endif
+
+#if defined(CONFIG_USB_EHCI)
+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 */