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

/*
 * (C) Copyright 2008
 * Grazvydas Ignotas <notasas@gmail.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 <twl4030.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/gpio.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-types.h>
#include "pandora.h"

DECLARE_GLOBAL_DATA_PTR;

#define TWL4030_BB_CFG_BBCHEN		(1 << 4)
#define TWL4030_BB_CFG_BBSEL_3200MV	(3 << 2)
#define TWL4030_BB_CFG_BBISEL_500UA	2

#define CONTROL_WKUP_CTRL		0x48002a5c
#define GPIO_IO_PWRDNZ			(1 << 6)
#define PBIASLITEVMODE1			(1 << 8)

/*
 * 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_OMAP3_PANDORA;
	/* boot param addr */
	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);

	return 0;
}

static void set_output_gpio(unsigned int gpio, int value)
{
	int ret;

	ret = gpio_request(gpio, "");
	if (ret != 0) {
		printf("could not request GPIO %u\n", gpio);
		return;
	}
	ret = gpio_direction_output(gpio, value);
	if (ret != 0)
		printf("could not set GPIO %u to %d\n", gpio, value);
}

/*
 * Routine: misc_init_r
 * Description: Configure board specific parts
 */
int misc_init_r(void)
{
	t2_t *t2_base = (t2_t *)T2_BASE;
	u32 pbias_lite;

	twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);

	/* set up dual-voltage GPIOs to 1.8V */
	pbias_lite = readl(&t2_base->pbias_lite);
	pbias_lite &= ~PBIASLITEVMODE1;
	pbias_lite |= PBIASLITEPWRDNZ1;
	writel(pbias_lite, &t2_base->pbias_lite);
	if (get_cpu_family() == CPU_OMAP36XX)
		writel(readl(CONTROL_WKUP_CTRL) | GPIO_IO_PWRDNZ,
			CONTROL_WKUP_CTRL);

	/* make sure audio and BT chips are in powerdown state */
	set_output_gpio(14, 0);
	set_output_gpio(15, 0);
	set_output_gpio(118, 0);

	/* enable USB supply */
	set_output_gpio(164, 1);

	/* wifi needs a short pulse to enter powersave state */
	set_output_gpio(23, 1);
	udelay(5000);
	gpio_direction_output(23, 0);

	/* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
	twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
		TWL4030_PM_RECEIVER_BB_CFG,
		TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV |
		TWL4030_BB_CFG_BBISEL_500UA);

	omap_die_id_display();

	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_PANDORA();
	if (get_cpu_family() == CPU_OMAP36XX) {
		MUX_PANDORA_3730();
	}
}

#ifdef CONFIG_MMC
int board_mmc_init(bd_t *bis)
{
	return omap_mmc_init(0, 0, 0, -1, -1);
}

void board_mmc_power_init(void)
{
	twl4030_power_mmc_init(0);
}
#endif
Commit	Line	Data
2be2c6cc DB	1	/*
	2	* (C) Copyright 2008
	3	* Grazvydas Ignotas <notasas@gmail.com>
	4	*
	5	* Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by
	6	* Richard Woodruff <r-woodruff2@ti.com>
	7	* Syed Mohammed Khasim <khasim@ti.com>
	8	* Sunil Kumar <sunilsaini05@gmail.com>
	9	* Shashi Ranjan <shashiranjanmca05@gmail.com>
	10	*
	11	* (C) Copyright 2004-2008
	12	* Texas Instruments, <www.ti.com>
	13	*
1a459660	14	* SPDX-License-Identifier: GPL-2.0+
2be2c6cc DB	15	*/
2be2c6cc DB	16	#include <common.h>
2c155130	17	#include <twl4030.h>
2be2c6cc	18	#include <asm/io.h>
7cad446b	19	#include <asm/gpio.h>
86c5c544	20	#include <asm/arch/mmc_host_def.h>
2be2c6cc	21	#include <asm/arch/mux.h>
080a46ea	22	#include <asm/arch/gpio.h>
2be2c6cc DB	23	#include <asm/arch/sys_proto.h>
	24	#include <asm/mach-types.h>
	25	#include "pandora.h"
	26
29565326 JR	27	DECLARE_GLOBAL_DATA_PTR;
29565326 JR	28
5246d01e GI	29	#define TWL4030_BB_CFG_BBCHEN (1 << 4)
	30	#define TWL4030_BB_CFG_BBSEL_3200MV (3 << 2)
	31	#define TWL4030_BB_CFG_BBISEL_500UA 2
	32
7cad446b GI	33	#define CONTROL_WKUP_CTRL 0x48002a5c
	34	#define GPIO_IO_PWRDNZ (1 << 6)
	35	#define PBIASLITEVMODE1 (1 << 8)
	36
58911517	37	/*
2be2c6cc DB	38	* Routine: board_init
2be2c6cc DB	39	* Description: Early hardware init.
58911517	40	*/
2be2c6cc DB	41	int board_init(void)
2be2c6cc DB	42	{
2be2c6cc DB	43	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
	44	/* board id for Linux */
	45	gd->bd->bi_arch_number = MACH_TYPE_OMAP3_PANDORA;
	46	/* boot param addr */
	47	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
	48
	49	return 0;
	50	}
	51
7cad446b GI	52	static void set_output_gpio(unsigned int gpio, int value)
	53	{
	54	int ret;
	55
	56	ret = gpio_request(gpio, "");
	57	if (ret != 0) {
	58	printf("could not request GPIO %u\n", gpio);
	59	return;
	60	}
	61	ret = gpio_direction_output(gpio, value);
	62	if (ret != 0)
	63	printf("could not set GPIO %u to %d\n", gpio, value);
	64	}
	65
58911517	66	/*
2be2c6cc DB	67	* Routine: misc_init_r
2be2c6cc DB	68	* Description: Configure board specific parts
58911517	69	*/
2be2c6cc DB	70	int misc_init_r(void)
2be2c6cc DB	71	{
7cad446b GI	72	t2_t t2_base = (t2_t )T2_BASE;
7cad446b GI	73	u32 pbias_lite;
2be2c6cc	74
ead39d7a	75	twl4030_led_init(TWL4030_LED_LEDEN_LEDBON);
2be2c6cc	76
7cad446b GI	77	/* set up dual-voltage GPIOs to 1.8V */
	78	pbias_lite = readl(&t2_base->pbias_lite);
	79	pbias_lite &= ~PBIASLITEVMODE1;
	80	pbias_lite \|= PBIASLITEPWRDNZ1;
	81	writel(pbias_lite, &t2_base->pbias_lite);
	82	if (get_cpu_family() == CPU_OMAP36XX)
	83	writel(readl(CONTROL_WKUP_CTRL) \| GPIO_IO_PWRDNZ,
	84	CONTROL_WKUP_CTRL);
	85
	86	/* make sure audio and BT chips are in powerdown state */
	87	set_output_gpio(14, 0);
	88	set_output_gpio(15, 0);
	89	set_output_gpio(118, 0);
	90
	91	/* enable USB supply */
	92	set_output_gpio(164, 1);
2be2c6cc	93
7cad446b GI	94	/* wifi needs a short pulse to enter powersave state */
	95	set_output_gpio(23, 1);
	96	udelay(5000);
	97	gpio_direction_output(23, 0);
2be2c6cc	98
5246d01e GI	99	/* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
5246d01e GI	100	twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
0208aaf6	101	TWL4030_PM_RECEIVER_BB_CFG,
5246d01e	102	TWL4030_BB_CFG_BBCHEN \| TWL4030_BB_CFG_BBSEL_3200MV \|
0208aaf6	103	TWL4030_BB_CFG_BBISEL_500UA);
5246d01e	104
679f82c3	105	omap_die_id_display();
e6a6a704	106
2be2c6cc DB	107	return 0;
	108	}
	109
58911517	110	/*
2be2c6cc DB	111	* Routine: set_muxconf_regs
	112	* Description: Setting up the configuration Mux registers specific to the
	113	* hardware. Many pins need to be moved from protect to primary
	114	* mode.
58911517	115	*/
2be2c6cc DB	116	void set_muxconf_regs(void)
	117	{
	118	MUX_PANDORA();
10cd73bf GI	119	if (get_cpu_family() == CPU_OMAP36XX) {
	120	MUX_PANDORA_3730();
	121	}
2be2c6cc	122	}
86c5c544	123
4aa2ba3a	124	#ifdef CONFIG_MMC
86c5c544 TR	125	int board_mmc_init(bd_t *bis)
86c5c544 TR	126	{
e3913f56	127	return omap_mmc_init(0, 0, 0, -1, -1);
86c5c544	128	}
aac5450e PK	129
	130	void board_mmc_power_init(void)
	131	{
	132	twl4030_power_mmc_init(0);
	133	}
86c5c544	134	#endif