[people/ms/u-boot.git] / board / overo / overo.c

/*
 * Maintainer : Steve Sakoman <steve@sakoman.com>
 *
 * Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
 *	Richard Woodruff <r-woodruff2@ti.com>
 *	Syed Mohammed Khasim <khasim@ti.com>
 *	Sunil Kumar <sunilsaini05@gmail.com>
 *	Shashi Ranjan <shashiranjanmca05@gmail.com>
 *
 * (C) Copyright 2004-2008
 * Texas Instruments, <www.ti.com>
 *
 * 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/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/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_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

#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 = {0x0};

static const struct ns16550_platdata overo_serial = {
	OMAP34XX_UART3,
	2,
	V_NS16550_CLK
};

U_BOOT_DEVICE(overo_uart) = {
	"serial_omap",
	&overo_serial
};

/*
 * 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_SYS_I2C_OMAP34XX
	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 */
	case REVISION_4:
		timings->mcfg = MICRON_V_MCFG_200(256 << 20);
		timings->ctrla = MICRON_V_ACTIMA_200;
		timings->ctrlb = MICRON_V_ACTIMB_200;
		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
		break;
	case REVISION_2: /* Hynix 256MB/512MB, 1/2 banks of 256MB */
		timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
		timings->ctrla = HYNIX_V_ACTIMA_200;
		timings->ctrlb = HYNIX_V_ACTIMB_200;
		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
		break;
	case REVISION_3: /* Micron 512MB/1024MB, 1/2 banks of 512MB */
		timings->mcfg = MCFG(512 << 20, 15);
		timings->ctrla = MICRON_V_ACTIMA_200;
		timings->ctrlb = MICRON_V_ACTIMB_200;
		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
		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
 *              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 (!gpio_request(130, "") && !gpio_request(139, "")) {

		gpio_direction_output(130, 0);
		gpio_direction_input(139);

		sdio_direct = 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;
		}

		gpio_direction_input(130);
	} else {
		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);

	printf("Board revision: %d\n", get_board_revision());

	switch (get_sdio2_config()) {
	case 0:
		puts("Tranceiver detected on mmc2\n");
		MUX_OVERO_SDIO2_TRANSCEIVER();
		break;
	case 1:
		puts("Direct connection on mmc2\n");
		MUX_OVERO_SDIO2_DIRECT();
		break;
	default:
		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();
		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);
		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:
	case GUMSTIX_EMPTY_EEPROM:
		puts("No or empty EEPROM on expansion board\n");
		MUX_GUMSTIX();
		setenv("expansionname", "tobi");
		break;
	default:
		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();

	if (get_cpu_family() == CPU_OMAP34XX)
		setenv("boardname", "overo");
	else
		setenv("boardname", "overo-storm");

	return 0;
}

/*
 * 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 defined(CONFIG_CMD_NET) && !defined(CONFIG_SPL_BUILD)
/* 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
 *	      Ethernet hardware.
 */
static void setup_net_chip(void)
{
	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;

	/* 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 */
	writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
	/* 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);
		udelay(1);
		gpio_set_value(64, 0);
		udelay(1);
		gpio_set_value(64, 1);
	}
}

int board_eth_init(bd_t *bis)
{
	unsigned int expansion_id;
	int rc = 0;

#ifdef CONFIG_SMC911X
	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)
int board_mmc_init(bd_t *bis)
{
	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) &&  !defined(CONFIG_SPL_BUILD)
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 */
Commit	Line	Data
9d0fc811 DB	1	/*
	2	* Maintainer : Steve Sakoman <steve@sakoman.com>
	3	*
	4	* Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
	5	* Richard Woodruff <r-woodruff2@ti.com>
	6	* Syed Mohammed Khasim <khasim@ti.com>
	7	* Sunil Kumar <sunilsaini05@gmail.com>
	8	* Shashi Ranjan <shashiranjanmca05@gmail.com>
	9	*
	10	* (C) Copyright 2004-2008
	11	* Texas Instruments, <www.ti.com>
	12	*
1a459660	13	* SPDX-License-Identifier: GPL-2.0+
9d0fc811 DB	14	*/
9d0fc811 DB	15	#include <common.h>
b3f4ca11 SG	16	#include <dm.h>
b3f4ca11 SG	17	#include <ns16550.h>
df382626	18	#include <netdev.h>
2c155130	19	#include <twl4030.h>
137703b8	20	#include <linux/mtd/nand.h>
9d0fc811	21	#include <asm/io.h>
cd7c5726	22	#include <asm/arch/mmc_host_def.h>
9d0fc811	23	#include <asm/arch/mux.h>
df382626	24	#include <asm/arch/mem.h>
9d0fc811	25	#include <asm/arch/sys_proto.h>
84c3b631	26	#include <asm/gpio.h>
9d0fc811 DB	27	#include <asm/mach-types.h>
	28	#include "overo.h"
	29
f5c30c1b SH	30	#ifdef CONFIG_USB_EHCI
	31	#include <usb.h>
	32	#include <asm/ehci-omap.h>
	33	#endif
	34
29565326 JR	35	DECLARE_GLOBAL_DATA_PTR;
29565326 JR	36
d64b5b89 SS	37	#define TWL4030_I2C_BUS 0
	38	#define EXPANSION_EEPROM_I2C_BUS 2
	39	#define EXPANSION_EEPROM_I2C_ADDRESS 0x51
	40
4ed914a2 SH	41	#define GUMSTIX_EMPTY_EEPROM 0x0
4ed914a2 SH	42
d64b5b89 SS	43	#define GUMSTIX_SUMMIT 0x01000200
	44	#define GUMSTIX_TOBI 0x02000200
	45	#define GUMSTIX_TOBI_DUO 0x03000200
	46	#define GUMSTIX_PALO35 0x04000200
	47	#define GUMSTIX_PALO43 0x05000200
	48	#define GUMSTIX_CHESTNUT43 0x06000200
	49	#define GUMSTIX_PINTO 0x07000200
	50	#define GUMSTIX_GALLOP43 0x08000200
ea5940e9 AC	51	#define GUMSTIX_ALTO35 0x09000200
	52	#define GUMSTIX_STAGECOACH 0x0A000200
	53	#define GUMSTIX_THUMBO 0x0B000200
	54	#define GUMSTIX_TURTLECORE 0x0C000200
	55	#define GUMSTIX_ARBOR43C 0x0D000200
d64b5b89 SS	56
	57	#define ETTUS_USRP_E 0x01000300
	58
	59	#define GUMSTIX_NO_EEPROM 0xffffffff
	60
	61	static struct {
	62	unsigned int device_vendor;
	63	unsigned char revision;
	64	unsigned char content;
	65	char fab_revision[8];
	66	char env_var[16];
	67	char env_setting[64];
4ed914a2	68	} expansion_config = {0x0};
ba9a11e4	69
b3f4ca11 SG	70	static const struct ns16550_platdata overo_serial = {
	71	OMAP34XX_UART3,
	72	2,
	73	V_NS16550_CLK
	74	};
	75
	76	U_BOOT_DEVICE(overo_uart) = {
	77	"serial_omap",
	78	&overo_serial
	79	};
	80
58911517	81	/*
9d0fc811 DB	82	* Routine: board_init
9d0fc811 DB	83	* Description: Early hardware init.
58911517	84	*/
9d0fc811 DB	85	int board_init(void)
9d0fc811 DB	86	{
9d0fc811 DB	87	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
	88	/* board id for Linux */
	89	gd->bd->bi_arch_number = MACH_TYPE_OVERO;
	90	/* boot param addr */
	91	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
	92
	93	return 0;
	94	}
	95
c2d5b341 SS	96	/*
	97	* Routine: get_board_revision
	98	* Description: Returns the board revision
	99	*/
	100	int get_board_revision(void)
	101	{
	102	int revision;
	103
6789e84e	104	#ifdef CONFIG_SYS_I2C_OMAP34XX
137703b8 AM	105	unsigned char data;
	106
	107	/* board revisions <= R2410 connect 4030 irq_1 to gpio112 */
	108	/* these boards should return a revision number of 0 */
	109	/* the code below forces a 4030 RTC irq to ensure that gpio112 is low */
	110	i2c_set_bus_num(TWL4030_I2C_BUS);
	111	data = 0x01;
	112	i2c_write(0x4B, 0x29, 1, &data, 1);
	113	data = 0x0c;
	114	i2c_write(0x4B, 0x2b, 1, &data, 1);
	115	i2c_read(0x4B, 0x2a, 1, &data, 1);
	116	#endif
	117
84c3b631 SP	118	if (!gpio_request(112, "") &&
	119	!gpio_request(113, "") &&
	120	!gpio_request(115, "")) {
c2d5b341	121
84c3b631 SP	122	gpio_direction_input(112);
	123	gpio_direction_input(113);
	124	gpio_direction_input(115);
c2d5b341	125
84c3b631 SP	126	revision = gpio_get_value(115) << 2 \|
	127	gpio_get_value(113) << 1 \|
	128	gpio_get_value(112);
c2d5b341	129	} else {
bae485db	130	puts("Error: unable to acquire board revision GPIOs\n");
c2d5b341 SS	131	revision = -1;
	132	}
	133
	134	return revision;
	135	}
	136
137703b8 AM	137	#ifdef CONFIG_SPL_BUILD
	138	/*
	139	* Routine: get_board_mem_timings
	140	* Description: If we use SPL then there is no x-loader nor config header
	141	* so we have to setup the DDR timings ourself on both banks.
	142	*/
8c4445d2	143	void get_board_mem_timings(struct board_sdrc_timings *timings)
137703b8	144	{
8c4445d2	145	timings->mr = MICRON_V_MR_165;
137703b8 AM	146	switch (get_board_revision()) {
137703b8 AM	147	case REVISION_0: /* Micron 1286MB/256MB, 1/2 banks of 128MB */
8c4445d2 PB	148	timings->mcfg = MICRON_V_MCFG_165(128 << 20);
	149	timings->ctrla = MICRON_V_ACTIMA_165;
	150	timings->ctrlb = MICRON_V_ACTIMB_165;
	151	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
137703b8 AM	152	break;
137703b8 AM	153	case REVISION_1: /* Micron 256MB/512MB, 1/2 banks of 256MB */
be4cc457	154	case REVISION_4:
802b3c7c AC	155	timings->mcfg = MICRON_V_MCFG_200(256 << 20);
	156	timings->ctrla = MICRON_V_ACTIMA_200;
	157	timings->ctrlb = MICRON_V_ACTIMB_200;
	158	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
137703b8 AM	159	break;
137703b8 AM	160	case REVISION_2: /* Hynix 256MB/512MB, 1/2 banks of 256MB */
802b3c7c AC	161	timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
	162	timings->ctrla = HYNIX_V_ACTIMA_200;
	163	timings->ctrlb = HYNIX_V_ACTIMB_200;
	164	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
137703b8	165	break;
49720a4b SS	166	case REVISION_3: /* Micron 512MB/1024MB, 1/2 banks of 512MB */
	167	timings->mcfg = MCFG(512 << 20, 15);
	168	timings->ctrla = MICRON_V_ACTIMA_200;
	169	timings->ctrlb = MICRON_V_ACTIMB_200;
	170	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
	171	break;
137703b8	172	default:
8c4445d2 PB	173	timings->mcfg = MICRON_V_MCFG_165(128 << 20);
	174	timings->ctrla = MICRON_V_ACTIMA_165;
	175	timings->ctrlb = MICRON_V_ACTIMB_165;
	176	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
137703b8 AM	177	}
	178	}
	179	#endif
	180
a06e1629 SS	181	/*
	182	* Routine: get_sdio2_config
	183	* Description: Return information about the wifi module connection
	184	* Returns 0 if the module connects though a level translator
	185	* Returns 1 if the module connects directly
	186	*/
	187	int get_sdio2_config(void)
	188	{
	189	int sdio_direct;
	190
84c3b631	191	if (!gpio_request(130, "") && !gpio_request(139, "")) {
a06e1629	192
84c3b631 SP	193	gpio_direction_output(130, 0);
84c3b631 SP	194	gpio_direction_input(139);
a06e1629 SS	195
a06e1629 SS	196	sdio_direct = 1;
84c3b631 SP	197	gpio_set_value(130, 0);
	198	if (gpio_get_value(139) == 0) {
	199	gpio_set_value(130, 1);
	200	if (gpio_get_value(139) == 1)
a06e1629 SS	201	sdio_direct = 0;
	202	}
	203
b5db0a06	204	gpio_direction_input(130);
a06e1629	205	} else {
bae485db	206	puts("Error: unable to acquire sdio2 clk GPIOs\n");
a06e1629 SS	207	sdio_direct = -1;
	208	}
	209
	210	return sdio_direct;
	211	}
	212
d64b5b89 SS	213	/*
	214	* Routine: get_expansion_id
	215	* Description: This function checks for expansion board by checking I2C
	216	* bus 2 for the availability of an AT24C01B serial EEPROM.
	217	* returns the device_vendor field from the EEPROM
	218	*/
	219	unsigned int get_expansion_id(void)
	220	{
4ed914a2 SH	221	if (expansion_config.device_vendor != 0x0)
	222	return expansion_config.device_vendor;
	223
d64b5b89 SS	224	i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS);
	225
	226	/* return GUMSTIX_NO_EEPROM if eeprom doesn't respond */
	227	if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) {
	228	i2c_set_bus_num(TWL4030_I2C_BUS);
	229	return GUMSTIX_NO_EEPROM;
	230	}
	231
	232	/* read configuration data */
	233	i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config,
	234	sizeof(expansion_config));
	235
	236	i2c_set_bus_num(TWL4030_I2C_BUS);
	237
	238	return expansion_config.device_vendor;
	239	}
	240
58911517	241	/*
9d0fc811 DB	242	* Routine: misc_init_r
9d0fc811 DB	243	* Description: Configure board specific parts
58911517	244	*/
9d0fc811 DB	245	int misc_init_r(void)
9d0fc811 DB	246	{
ea5940e9 AC	247	unsigned int expansion_id;
ea5940e9 AC	248
2c155130	249	twl4030_power_init();
ead39d7a	250	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON \| TWL4030_LED_LEDEN_LEDBON);
9d0fc811	251
c2d5b341	252	printf("Board revision: %d\n", get_board_revision());
a06e1629 SS	253
	254	switch (get_sdio2_config()) {
	255	case 0:
bae485db	256	puts("Tranceiver detected on mmc2\n");
a06e1629 SS	257	MUX_OVERO_SDIO2_TRANSCEIVER();
	258	break;
	259	case 1:
bae485db	260	puts("Direct connection on mmc2\n");
a06e1629 SS	261	MUX_OVERO_SDIO2_DIRECT();
	262	break;
	263	default:
bae485db	264	puts("Unable to detect mmc2 connection type\n");
a06e1629 SS	265	}
a06e1629 SS	266
ea5940e9 AC	267	expansion_id = get_expansion_id();
ea5940e9 AC	268	switch (expansion_id) {
d64b5b89 SS	269	case GUMSTIX_SUMMIT:
	270	printf("Recognized Summit expansion board (rev %d %s)\n",
	271	expansion_config.revision,
	272	expansion_config.fab_revision);
4ed914a2	273	MUX_GUMSTIX();
d64b5b89	274	setenv("defaultdisplay", "dvi");
12cc5437	275	setenv("expansionname", "summit");
d64b5b89 SS	276	break;
	277	case GUMSTIX_TOBI:
	278	printf("Recognized Tobi expansion board (rev %d %s)\n",
	279	expansion_config.revision,
	280	expansion_config.fab_revision);
4ed914a2	281	MUX_GUMSTIX();
d64b5b89	282	setenv("defaultdisplay", "dvi");
12cc5437	283	setenv("expansionname", "tobi");
d64b5b89 SS	284	break;
	285	case GUMSTIX_TOBI_DUO:
	286	printf("Recognized Tobi Duo expansion board (rev %d %s)\n",
	287	expansion_config.revision,
	288	expansion_config.fab_revision);
4ed914a2	289	MUX_GUMSTIX();
72c7be95	290	setenv("expansionname", "tobiduo");
d64b5b89 SS	291	break;
	292	case GUMSTIX_PALO35:
	293	printf("Recognized Palo35 expansion board (rev %d %s)\n",
	294	expansion_config.revision,
	295	expansion_config.fab_revision);
4ed914a2	296	MUX_GUMSTIX();
d64b5b89	297	setenv("defaultdisplay", "lcd35");
2ed43b54	298	setenv("expansionname", "palo35");
d64b5b89 SS	299	break;
	300	case GUMSTIX_PALO43:
	301	printf("Recognized Palo43 expansion board (rev %d %s)\n",
	302	expansion_config.revision,
	303	expansion_config.fab_revision);
4ed914a2	304	MUX_GUMSTIX();
d64b5b89	305	setenv("defaultdisplay", "lcd43");
12cc5437	306	setenv("expansionname", "palo43");
d64b5b89 SS	307	break;
	308	case GUMSTIX_CHESTNUT43:
	309	printf("Recognized Chestnut43 expansion board (rev %d %s)\n",
	310	expansion_config.revision,
	311	expansion_config.fab_revision);
4ed914a2	312	MUX_GUMSTIX();
d64b5b89	313	setenv("defaultdisplay", "lcd43");
12cc5437	314	setenv("expansionname", "chestnut43");
d64b5b89 SS	315	break;
	316	case GUMSTIX_PINTO:
	317	printf("Recognized Pinto expansion board (rev %d %s)\n",
	318	expansion_config.revision,
	319	expansion_config.fab_revision);
4ed914a2	320	MUX_GUMSTIX();
d64b5b89 SS	321	break;
	322	case GUMSTIX_GALLOP43:
	323	printf("Recognized Gallop43 expansion board (rev %d %s)\n",
	324	expansion_config.revision,
	325	expansion_config.fab_revision);
4ed914a2	326	MUX_GUMSTIX();
d64b5b89	327	setenv("defaultdisplay", "lcd43");
12cc5437	328	setenv("expansionname", "gallop43");
d64b5b89	329	break;
ea5940e9 AC	330	case GUMSTIX_ALTO35:
	331	printf("Recognized Alto35 expansion board (rev %d %s)\n",
	332	expansion_config.revision,
	333	expansion_config.fab_revision);
4ed914a2	334	MUX_GUMSTIX();
ea5940e9 AC	335	MUX_ALTO35();
ea5940e9 AC	336	setenv("defaultdisplay", "lcd35");
12cc5437	337	setenv("expansionname", "alto35");
ea5940e9 AC	338	break;
	339	case GUMSTIX_STAGECOACH:
	340	printf("Recognized Stagecoach expansion board (rev %d %s)\n",
	341	expansion_config.revision,
	342	expansion_config.fab_revision);
4ed914a2	343	MUX_GUMSTIX();
ea5940e9 AC	344	break;
	345	case GUMSTIX_THUMBO:
	346	printf("Recognized Thumbo expansion board (rev %d %s)\n",
	347	expansion_config.revision,
	348	expansion_config.fab_revision);
4ed914a2	349	MUX_GUMSTIX();
ea5940e9 AC	350	break;
	351	case GUMSTIX_TURTLECORE:
	352	printf("Recognized Turtlecore expansion board (rev %d %s)\n",
	353	expansion_config.revision,
	354	expansion_config.fab_revision);
4ed914a2	355	MUX_GUMSTIX();
ea5940e9 AC	356	break;
	357	case GUMSTIX_ARBOR43C:
	358	printf("Recognized Arbor43C expansion board (rev %d %s)\n",
	359	expansion_config.revision,
	360	expansion_config.fab_revision);
4ed914a2	361	MUX_GUMSTIX();
ea5940e9 AC	362	MUX_ARBOR43C();
ea5940e9 AC	363	setenv("defaultdisplay", "lcd43");
da9ed5ab	364	setenv("expansionname", "arbor43c");
ea5940e9	365	break;
d64b5b89 SS	366	case ETTUS_USRP_E:
	367	printf("Recognized Ettus Research USRP-E (rev %d %s)\n",
	368	expansion_config.revision,
	369	expansion_config.fab_revision);
4ed914a2	370	MUX_GUMSTIX();
d64b5b89 SS	371	MUX_USRP_E();
	372	setenv("defaultdisplay", "dvi");
	373	break;
	374	case GUMSTIX_NO_EEPROM:
4ed914a2 SH	375	case GUMSTIX_EMPTY_EEPROM:
	376	puts("No or empty EEPROM on expansion board\n");
	377	MUX_GUMSTIX();
12cc5437	378	setenv("expansionname", "tobi");
d64b5b89 SS	379	break;
d64b5b89 SS	380	default:
ea5940e9 AC	381	printf("Unrecognized expansion board 0x%08x\n", expansion_id);
ea5940e9 AC	382	break;
d64b5b89 SS	383	}
	384
	385	if (expansion_config.content == 1)
	386	setenv(expansion_config.env_var, expansion_config.env_setting);
	387
e6a6a704 DB	388	dieid_num_r();
e6a6a704 DB	389
12cc5437 AC	390	if (get_cpu_family() == CPU_OMAP34XX)
	391	setenv("boardname", "overo");
	392	else
	393	setenv("boardname", "overo-storm");
	394
9d0fc811 DB	395	return 0;
	396	}
	397
58911517	398	/*
9d0fc811 DB	399	* Routine: set_muxconf_regs
	400	* Description: Setting up the configuration Mux registers specific to the
	401	* hardware. Many pins need to be moved from protect to primary
	402	* mode.
58911517	403	*/
9d0fc811 DB	404	void set_muxconf_regs(void)
	405	{
	406	MUX_OVERO();
	407	}
df382626	408
113429a2 SH	409	#if defined(CONFIG_CMD_NET) && !defined(CONFIG_SPL_BUILD)
	410	/* GPMC definitions for LAN9221 chips on Tobi expansion boards */
	411	static const u32 gpmc_lan_config[] = {
	412	NET_LAN9221_GPMC_CONFIG1,
	413	NET_LAN9221_GPMC_CONFIG2,
	414	NET_LAN9221_GPMC_CONFIG3,
	415	NET_LAN9221_GPMC_CONFIG4,
	416	NET_LAN9221_GPMC_CONFIG5,
	417	NET_LAN9221_GPMC_CONFIG6,
	418	/CONFIG7- computed as params /
	419	};
	420
df382626 OJ	421	/*
	422	* Routine: setup_net_chip
	423	* Description: Setting up the configuration GPMC registers specific to the
	424	* Ethernet hardware.
	425	*/
	426	static void setup_net_chip(void)
	427	{
	428	struct ctrl ctrl_base = (struct ctrl )OMAP34XX_CTRL_BASE;
	429
df382626 OJ	430	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
	431	writew(readw(&ctrl_base ->gpmc_nwe) \| 0x0E00, &ctrl_base->gpmc_nwe);
	432	/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
	433	writew(readw(&ctrl_base->gpmc_noe) \| 0x0E00, &ctrl_base->gpmc_noe);
	434	/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
	435	writew(readw(&ctrl_base->gpmc_nadv_ale) \| 0x0E00,
	436	&ctrl_base->gpmc_nadv_ale);
113429a2	437	}
df382626	438
113429a2 SH	439	/*
	440	* Routine: reset_net_chip
	441	* Description: Reset the Ethernet hardware.
	442	*/
	443	static void reset_net_chip(void)
	444	{
df382626	445	/* Make GPIO 64 as output pin and send a magic pulse through it */
84c3b631 SP	446	if (!gpio_request(64, "")) {
	447	gpio_direction_output(64, 0);
	448	gpio_set_value(64, 1);
df382626	449	udelay(1);
84c3b631	450	gpio_set_value(64, 0);
df382626	451	udelay(1);
84c3b631	452	gpio_set_value(64, 1);
df382626 OJ	453	}
df382626 OJ	454	}
df382626 OJ	455
	456	int board_eth_init(bd_t *bis)
	457	{
113429a2	458	unsigned int expansion_id;
df382626	459	int rc = 0;
113429a2	460
df382626	461	#ifdef CONFIG_SMC911X
113429a2 SH	462	expansion_id = get_expansion_id();
	463	switch (expansion_id) {
	464	case GUMSTIX_TOBI_DUO:
	465	/* second lan chip */
	466	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4],
	467	0x2B000000, GPMC_SIZE_16M);
	468	/* no break */
	469	case GUMSTIX_TOBI:
	470	case GUMSTIX_CHESTNUT43:
	471	case GUMSTIX_STAGECOACH:
	472	case GUMSTIX_NO_EEPROM:
	473	case GUMSTIX_EMPTY_EEPROM:
	474	/* first lan chip */
	475	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
	476	0x2C000000, GPMC_SIZE_16M);
	477
	478	setup_net_chip();
	479	reset_net_chip();
	480
	481	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
	482	break;
	483	default:
	484	break;
	485	}
df382626	486	#endif
113429a2	487
df382626 OJ	488	return rc;
df382626 OJ	489	}
113429a2	490	#endif
cd7c5726	491
137703b8	492	#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
cd7c5726 SS	493	int board_mmc_init(bd_t *bis)
cd7c5726 SS	494	{
e3913f56	495	return omap_mmc_init(0, 0, 0, -1, -1);
cd7c5726 SS	496	}
cd7c5726 SS	497	#endif
f5c30c1b	498
aac5450e PK	499	#if defined(CONFIG_GENERIC_MMC)
	500	void board_mmc_power_init(void)
	501	{
	502	twl4030_power_mmc_init(0);
	503	}
	504	#endif
	505
f5c30c1b SH	506	#if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD)
	507	static struct omap_usbhs_board_data usbhs_bdata = {
	508	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
	509	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	510	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED
	511	};
	512
	513	#define GUMSTIX_GPIO_USBH_CPEN 168
	514	int ehci_hcd_init(int index, enum usb_init_type init,
	515	struct ehci_hccr hccr, struct ehci_hcor hcor)
	516	{
	517	/* Enable USB power */
	518	if (!gpio_request(GUMSTIX_GPIO_USBH_CPEN, "usbh_cpen"))
	519	gpio_direction_output(GUMSTIX_GPIO_USBH_CPEN, 1);
	520
	521	return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
	522	}
	523
	524	int ehci_hcd_stop(void)
	525	{
	526	/* Disable USB power */
	527	gpio_set_value(GUMSTIX_GPIO_USBH_CPEN, 0);
	528	gpio_free(GUMSTIX_GPIO_USBH_CPEN);
	529
	530	return omap_ehci_hcd_stop();
	531	}
	532
	533	#endif /* CONFIG_USB_EHCI */