mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 02:33:07 +00:00
65e25bea59
In the spirit of using the same base name for all of these related macros, rename this to have the operation at the end. This is not widely used so the impact is fairly small. Signed-off-by: Simon Glass <sjg@chromium.org>
134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2014
|
|
* NVIDIA Corporation <www.nvidia.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <log.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 <linux/delay.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_DRIVER_GET(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_CLK_M, 1500000);
|
|
|
|
/* For external MAX98090 audio codec */
|
|
clock_external_output(1);
|
|
setup_kernel_info();
|
|
enable_required_clocks();
|
|
|
|
return 0;
|
|
}
|