mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 11:18:28 +00:00
87b32297f5
Migrate USB to using driver model. Add USBH_PEN GPIO regulator. While at it also add alias e.g. as required for UMS. Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
239 lines
6.3 KiB
C
239 lines
6.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2018-2019 Toradex AG
|
|
*/
|
|
#include <common.h>
|
|
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/crm_regs.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
#include <asm/arch-mx6/clock.h>
|
|
#include <asm/arch-mx6/imx-regs.h>
|
|
#include <asm/arch-mx6/mx6ull_pins.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/mach-imx/boot_mode.h>
|
|
#include <asm/mach-imx/iomux-v3.h>
|
|
#include <asm/io.h>
|
|
#include <dm.h>
|
|
#include <dm/platform_data/serial_mxc.h>
|
|
#include <fdt_support.h>
|
|
#include <imx_thermal.h>
|
|
#include <jffs2/load_kernel.h>
|
|
#include <linux/sizes.h>
|
|
#include <miiphy.h>
|
|
#include <mtd_node.h>
|
|
#include <netdev.h>
|
|
|
|
#include "../common/tdx-common.h"
|
|
#include "../common/tdx-cfg-block.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
|
|
PAD_CTL_DSE_48ohm)
|
|
|
|
#define MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR 0x2290040
|
|
|
|
#define NAND_PAD_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
|
|
|
|
#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_PUS_22K_UP)
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_NAND_MXS
|
|
static void setup_gpmi_nand(void)
|
|
{
|
|
setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) |
|
|
(3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET));
|
|
}
|
|
#endif /* CONFIG_NAND_MXS */
|
|
|
|
#ifdef CONFIG_VIDEO_MXS
|
|
static iomux_v3_cfg_t const lcd_pads[] = {
|
|
MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const backlight_pads[] = {
|
|
/* Backlight On */
|
|
MX6_PAD_JTAG_TMS__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
/* Backlight PWM<A> (multiplexed pin) */
|
|
MX6_PAD_NAND_WP_B__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
#define GPIO_BL_ON IMX_GPIO_NR(1, 11)
|
|
#define GPIO_PWM_A IMX_GPIO_NR(4, 11)
|
|
|
|
static int setup_lcd(void)
|
|
{
|
|
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
|
|
|
|
imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads));
|
|
|
|
/* Set BL_ON */
|
|
gpio_request(GPIO_BL_ON, "BL_ON");
|
|
gpio_direction_output(GPIO_BL_ON, 1);
|
|
|
|
/* Set PWM<A> to full brightness (assuming inversed polarity) */
|
|
gpio_request(GPIO_PWM_A, "PWM<A>");
|
|
gpio_direction_output(GPIO_PWM_A, 0);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_FEC_MXC
|
|
static int setup_fec(void)
|
|
{
|
|
struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
|
|
int ret;
|
|
|
|
/* provide the PHY clock from the i.MX 6 */
|
|
ret = enable_fec_anatop_clock(1, ENET_50MHZ);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Use 50M anatop REF_CLK and output it on ENET2_TX_CLK */
|
|
clrsetbits_le32(&iomuxc_regs->gpr[1],
|
|
IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK,
|
|
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
|
|
|
|
/* give new Ethernet PHY power save mode circuitry time to settle */
|
|
mdelay(300);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_phy_config(struct phy_device *phydev)
|
|
{
|
|
if (phydev->drv->config)
|
|
phydev->drv->config(phydev);
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_FEC_MXC */
|
|
|
|
int board_init(void)
|
|
{
|
|
/* address of boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
#ifdef CONFIG_FEC_MXC
|
|
setup_fec();
|
|
#endif
|
|
|
|
#ifdef CONFIG_NAND_MXS
|
|
setup_gpmi_nand();
|
|
#endif
|
|
|
|
#ifdef CONFIG_VIDEO_MXS
|
|
setup_lcd();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
/* TODO */
|
|
static const struct boot_mode board_boot_modes[] = {
|
|
/* 4 bit bus width */
|
|
{"nand", MAKE_CFGVAL(0x40, 0x34, 0x00, 0x00)},
|
|
{"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)},
|
|
{NULL, 0},
|
|
};
|
|
#endif
|
|
|
|
int board_late_init(void)
|
|
{
|
|
#ifdef CONFIG_TDX_CFG_BLOCK
|
|
/*
|
|
* If we have a valid config block and it says we are a module with
|
|
* Wi-Fi/Bluetooth make sure we use the -wifi device tree.
|
|
*/
|
|
if (tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT_IT ||
|
|
tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT)
|
|
env_set("variant", "-wifi");
|
|
#endif
|
|
|
|
/*
|
|
* Disable output driver of PAD CCM_PMIC_STBY_REQ. This prevents the
|
|
* SOC to request for a lower voltage during sleep. This is necessary
|
|
* because the voltage is changing too slow for the SOC to wake up
|
|
* properly.
|
|
*/
|
|
__raw_writel(0x8080, MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR);
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
add_board_boot_modes(board_boot_modes);
|
|
#endif
|
|
|
|
#ifdef CONFIG_CMD_USB_SDP
|
|
if (is_boot_from_usb()) {
|
|
printf("Serial Downloader recovery mode, using sdp command\n");
|
|
env_set("bootdelay", "0");
|
|
env_set("bootcmd", "sdp 0");
|
|
}
|
|
#endif /* CONFIG_CMD_USB_SDP */
|
|
|
|
return 0;
|
|
}
|
|
|
|
int checkboard(void)
|
|
{
|
|
printf("Model: Toradex Colibri iMX6ULL\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
|
|
int ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
#if defined(CONFIG_FDT_FIXUP_PARTITIONS)
|
|
static struct node_info nodes[] = {
|
|
{ "fsl,imx6ull-gpmi-nand", MTD_DEV_TYPE_NAND, },
|
|
{ "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, },
|
|
};
|
|
|
|
/* Update partition nodes using info from mtdparts env var */
|
|
puts(" Updating MTD partitions...\n");
|
|
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
|
|
#endif
|
|
|
|
return ft_common_board_setup(blob, bd);
|
|
}
|
|
#endif
|
|
|
|
static struct mxc_serial_platdata mxc_serial_plat = {
|
|
.reg = (struct mxc_uart *)UART1_BASE,
|
|
.use_dte = 1,
|
|
};
|
|
|
|
U_BOOT_DEVICE(mxc_serial) = {
|
|
.name = "serial_mxc",
|
|
.platdata = &mxc_serial_plat,
|
|
};
|