[people/ms/u-boot.git] / board / nvidia / nyan-big / nyan-big.c

/*
 * (C) Copyright 2014
 * NVIDIA Corporation <www.nvidia.com>
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */

#include <common.h>
#include <dm.h>
#include <errno.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/pinmux.h>
#include <asm/arch/clock.h>
#include <asm/arch/mc.h>
#include <asm/arch-tegra/clk_rst.h>
#include <asm/arch-tegra/pmc.h>
#include <power/as3722.h>
#include <power/pmic.h>
#include "pinmux-config-nyan-big.h"

/*
 * Routine: pinmux_init
 * Description: Do individual peripheral pinmux configs
 */
void pinmux_init(void)
{
	gpio_config_table(nyan_big_gpio_inits,
			  ARRAY_SIZE(nyan_big_gpio_inits));

	pinmux_config_pingrp_table(nyan_big_pingrps,
				   ARRAY_SIZE(nyan_big_pingrps));

	pinmux_config_drvgrp_table(nyan_big_drvgrps,
				   ARRAY_SIZE(nyan_big_drvgrps));
}

int tegra_board_id(void)
{
	static const int vector[] = {TEGRA_GPIO(Q, 3), TEGRA_GPIO(T, 1),
					TEGRA_GPIO(X, 1), TEGRA_GPIO(X, 4),
					-1};

	gpio_claim_vector(vector, "board_id%d");
	return gpio_get_values_as_int(vector);
}

int tegra_lcd_pmic_init(int board_id)
{
	struct udevice *dev;
	int ret;

	ret = uclass_get_device_by_driver(UCLASS_PMIC,
					  DM_GET_DRIVER(pmic_as3722), &dev);
	if (ret) {
		debug("%s: Failed to find PMIC\n", __func__);
		return ret;
	}

	if (board_id == 0)
		pmic_reg_write(dev, 0x00, 0x3c);
	else
		pmic_reg_write(dev, 0x00, 0x50);
	pmic_reg_write(dev, 0x12, 0x10);
	pmic_reg_write(dev, 0x0c, 0x07);
	pmic_reg_write(dev, 0x20, 0x10);

	return 0;
}

/* Setup required information for Linux kernel */
static void setup_kernel_info(void)
{
	struct mc_ctlr *mc = (void *)NV_PA_MC_BASE;

	/* The kernel graphics driver needs this region locked down */
	writel(0, &mc->mc_video_protect_bom);
	writel(0, &mc->mc_video_protect_size_mb);
	writel(1, &mc->mc_video_protect_reg_ctrl);
}

/*
 * We need to take ALL audio devices conntected to AHUB (AUDIO, APBIF,
 * I2S, DAM, AMX, ADX, SPDIF, AFC) out of reset and enable the clocks.
 * Otherwise reading AHUB devices will hang when the kernel boots.
 */
static void enable_required_clocks(void)
{
	static enum periph_id ids[] = {
		PERIPH_ID_I2S0,
		PERIPH_ID_I2S1,
		PERIPH_ID_I2S2,
		PERIPH_ID_I2S3,
		PERIPH_ID_I2S4,
		PERIPH_ID_AUDIO,
		PERIPH_ID_APBIF,
		PERIPH_ID_DAM0,
		PERIPH_ID_DAM1,
		PERIPH_ID_DAM2,
		PERIPH_ID_AMX0,
		PERIPH_ID_AMX1,
		PERIPH_ID_ADX0,
		PERIPH_ID_ADX1,
		PERIPH_ID_SPDIF,
		PERIPH_ID_AFC0,
		PERIPH_ID_AFC1,
		PERIPH_ID_AFC2,
		PERIPH_ID_AFC3,
		PERIPH_ID_AFC4,
		PERIPH_ID_AFC5,
		PERIPH_ID_EXTPERIPH1
	};
	int i;

	for (i = 0; i < ARRAY_SIZE(ids); i++)
		clock_enable(ids[i]);
	udelay(2);
	for (i = 0; i < ARRAY_SIZE(ids); i++)
		reset_set_enable(ids[i], 0);
}

int nvidia_board_init(void)
{
	clock_start_periph_pll(PERIPH_ID_EXTPERIPH1, CLOCK_ID_OSC, 12000000);
	clock_start_periph_pll(PERIPH_ID_I2S1, CLOCK_ID_OSC, 1500000);

	/* For external MAX98090 audio codec */
	clock_external_output(1);
	setup_kernel_info();
	enable_required_clocks();

	return 0;
}
Commit	Line	Data
a6c7b461 AM	1	/*
	2	* (C) Copyright 2014
	3	* NVIDIA Corporation <www.nvidia.com>
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7
	8	#include <common.h>
e3f44f5c	9	#include <dm.h>
0deba29c SG	10	#include <errno.h>
0deba29c SG	11	#include <asm/gpio.h>
7cfde811	12	#include <asm/io.h>
a6c7b461	13	#include <asm/arch/pinmux.h>
7cfde811 SG	14	#include <asm/arch/clock.h>
	15	#include <asm/arch/mc.h>
	16	#include <asm/arch-tegra/clk_rst.h>
	17	#include <asm/arch-tegra/pmc.h>
0deba29c SG	18	#include <power/as3722.h>
0deba29c SG	19	#include <power/pmic.h>
a6c7b461 AM	20	#include "pinmux-config-nyan-big.h"
	21
	22	/*
	23	* Routine: pinmux_init
	24	* Description: Do individual peripheral pinmux configs
	25	*/
	26	void pinmux_init(void)
	27	{
	28	gpio_config_table(nyan_big_gpio_inits,
	29	ARRAY_SIZE(nyan_big_gpio_inits));
	30
	31	pinmux_config_pingrp_table(nyan_big_pingrps,
	32	ARRAY_SIZE(nyan_big_pingrps));
	33
	34	pinmux_config_drvgrp_table(nyan_big_drvgrps,
	35	ARRAY_SIZE(nyan_big_drvgrps));
	36	}
0deba29c SG	37
	38	int tegra_board_id(void)
	39	{
01a97a11 SW	40	static const int vector[] = {TEGRA_GPIO(Q, 3), TEGRA_GPIO(T, 1),
	41	TEGRA_GPIO(X, 1), TEGRA_GPIO(X, 4),
	42	-1};
0deba29c SG	43
	44	gpio_claim_vector(vector, "board_id%d");
	45	return gpio_get_values_as_int(vector);
	46	}
	47
	48	int tegra_lcd_pmic_init(int board_id)
	49	{
e3f44f5c	50	struct udevice *dev;
0deba29c SG	51	int ret;
0deba29c SG	52
e3f44f5c SG	53	ret = uclass_get_device_by_driver(UCLASS_PMIC,
	54	DM_GET_DRIVER(pmic_as3722), &dev);
	55	if (ret) {
	56	debug("%s: Failed to find PMIC\n", __func__);
	57	return ret;
	58	}
0deba29c SG	59
0deba29c SG	60	if (board_id == 0)
e3f44f5c	61	pmic_reg_write(dev, 0x00, 0x3c);
0deba29c	62	else
e3f44f5c SG	63	pmic_reg_write(dev, 0x00, 0x50);
	64	pmic_reg_write(dev, 0x12, 0x10);
	65	pmic_reg_write(dev, 0x0c, 0x07);
	66	pmic_reg_write(dev, 0x20, 0x10);
0deba29c SG	67
	68	return 0;
	69	}
7cfde811 SG	70
	71	/* Setup required information for Linux kernel */
	72	static void setup_kernel_info(void)
	73	{
	74	struct mc_ctlr mc = (void )NV_PA_MC_BASE;
	75
	76	/* The kernel graphics driver needs this region locked down */
	77	writel(0, &mc->mc_video_protect_bom);
	78	writel(0, &mc->mc_video_protect_size_mb);
	79	writel(1, &mc->mc_video_protect_reg_ctrl);
	80	}
	81
	82	/*
	83	* We need to take ALL audio devices conntected to AHUB (AUDIO, APBIF,
	84	* I2S, DAM, AMX, ADX, SPDIF, AFC) out of reset and enable the clocks.
	85	* Otherwise reading AHUB devices will hang when the kernel boots.
	86	*/
	87	static void enable_required_clocks(void)
	88	{
	89	static enum periph_id ids[] = {
	90	PERIPH_ID_I2S0,
	91	PERIPH_ID_I2S1,
	92	PERIPH_ID_I2S2,
	93	PERIPH_ID_I2S3,
	94	PERIPH_ID_I2S4,
	95	PERIPH_ID_AUDIO,
	96	PERIPH_ID_APBIF,
	97	PERIPH_ID_DAM0,
	98	PERIPH_ID_DAM1,
	99	PERIPH_ID_DAM2,
	100	PERIPH_ID_AMX0,
	101	PERIPH_ID_AMX1,
	102	PERIPH_ID_ADX0,
	103	PERIPH_ID_ADX1,
	104	PERIPH_ID_SPDIF,
	105	PERIPH_ID_AFC0,
	106	PERIPH_ID_AFC1,
	107	PERIPH_ID_AFC2,
	108	PERIPH_ID_AFC3,
	109	PERIPH_ID_AFC4,
	110	PERIPH_ID_AFC5,
	111	PERIPH_ID_EXTPERIPH1
	112	};
	113	int i;
	114
	115	for (i = 0; i < ARRAY_SIZE(ids); i++)
	116	clock_enable(ids[i]);
	117	udelay(2);
	118	for (i = 0; i < ARRAY_SIZE(ids); i++)
	119	reset_set_enable(ids[i], 0);
	120	}
	121
	122	int nvidia_board_init(void)
	123	{
	124	clock_start_periph_pll(PERIPH_ID_EXTPERIPH1, CLOCK_ID_OSC, 12000000);
	125	clock_start_periph_pll(PERIPH_ID_I2S1, CLOCK_ID_OSC, 1500000);
	126
	127	/* For external MAX98090 audio codec */
	128	clock_external_output(1);
	129	setup_kernel_info();
	130	enable_required_clocks();
	131
	132	return 0;
	133	}