mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 09:27:35 +00:00
1180baec98
A simple prototyping board with one microSD port, one Ethernet port, 2 USB ports, I2C, SPI, GPIO, and UART interfaces. Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua> Cc: Stefano Babic <sbabic@denx.de>
88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
// Copyright (C) 2021 Oleh Kravchenko <oleg@kaa.org.ua>
|
|
|
|
#include <asm/arch-mx6/clock.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/global_data.h>
|
|
#include <asm/mach-imx/boot_mode.h>
|
|
#include <common.h>
|
|
#include <env.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = imx_ddr_size();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int setup_fec_clock(void)
|
|
{
|
|
if (IS_ENABLED(CONFIG_FEC_MXC) && !IS_ENABLED(CONFIG_CLK_IMX6Q)) {
|
|
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
|
|
int ret;
|
|
|
|
/*
|
|
* Use 50M anatop loopback REF_CLK1 for ENET1,
|
|
* clear gpr1[13], set gpr1[17].
|
|
*/
|
|
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
|
|
IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
|
|
|
|
ret = enable_fec_anatop_clock(0, ENET_50MHZ);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (!IS_ENABLED(CONFIG_EV_IMX280_NANO_X_MB)) {
|
|
/*
|
|
* Use 50M anatop loopback REF_CLK2 for ENET2,
|
|
* clear gpr1[14], set gpr1[18].
|
|
*/
|
|
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
|
|
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
|
|
|
|
ret = enable_fec_anatop_clock(1, ENET_50MHZ);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
enable_enet_clk(1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
/* Address of boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
return setup_fec_clock();
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
if (IS_ENABLED(CONFIG_CMD_BMODE))
|
|
add_board_boot_modes(NULL);
|
|
|
|
if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
|
|
const char *model;
|
|
|
|
model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
|
|
if (model)
|
|
env_set("board_name", model);
|
|
}
|
|
|
|
if (is_boot_from_usb()) {
|
|
env_set("bootcmd", "run bootcmd_mfg");
|
|
env_set("bootdelay", "0");
|
|
}
|
|
|
|
return 0;
|
|
}
|