mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
61c4c2bf1e
Add board-specific FDT function to store U-Boot version in device tree. Signed-off-by: Ian Ray <ian.ray@ge.com>
320 lines
7.2 KiB
C
320 lines
7.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2017 General Electric Company
|
|
*
|
|
* Based on board/freescale/mx53loco/mx53loco.c:
|
|
*
|
|
* Copyright (C) 2011 Freescale Semiconductor, Inc.
|
|
* Jason Liu <r64343@freescale.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/arch/crm_regs.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/iomux-mx53.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/libfdt.h>
|
|
#include <asm/mach-imx/mxc_i2c.h>
|
|
#include <asm/mach-imx/mx5_video.h>
|
|
#include <environment.h>
|
|
#include <netdev.h>
|
|
#include <i2c.h>
|
|
#include <mmc.h>
|
|
#include <fsl_esdhc.h>
|
|
#include <asm/gpio.h>
|
|
#include <power/pmic.h>
|
|
#include <dialog_pmic.h>
|
|
#include <fsl_pmic.h>
|
|
#include <linux/fb.h>
|
|
#include <ipu_pixfmt.h>
|
|
#include <version.h>
|
|
#include <watchdog.h>
|
|
#include "ppd_gpio.h"
|
|
#include <stdlib.h>
|
|
#include "../../ge/common/ge_common.h"
|
|
#include "../../ge/common/vpd_reader.h"
|
|
|
|
#define MX53PPD_LCD_POWER IMX_GPIO_NR(3, 24)
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static u32 mx53_dram_size[2];
|
|
|
|
phys_size_t get_effective_memsize(void)
|
|
{
|
|
/*
|
|
* WARNING: We must override get_effective_memsize() function here
|
|
* to report only the size of the first DRAM bank. This is to make
|
|
* U-Boot relocator place U-Boot into valid memory, that is, at the
|
|
* end of the first DRAM bank. If we did not override this function
|
|
* like so, U-Boot would be placed at the address of the first DRAM
|
|
* bank + total DRAM size - sizeof(uboot), which in the setup where
|
|
* each DRAM bank contains 512MiB of DRAM would result in placing
|
|
* U-Boot into invalid memory area close to the end of the first
|
|
* DRAM bank.
|
|
*/
|
|
return mx53_dram_size[0];
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
mx53_dram_size[0] = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
|
|
mx53_dram_size[1] = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30);
|
|
|
|
gd->ram_size = mx53_dram_size[0] + mx53_dram_size[1];
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init_banksize(void)
|
|
{
|
|
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
|
|
gd->bd->bi_dram[0].size = mx53_dram_size[0];
|
|
|
|
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
|
|
gd->bd->bi_dram[1].size = mx53_dram_size[1];
|
|
|
|
return 0;
|
|
}
|
|
|
|
u32 get_board_rev(void)
|
|
{
|
|
return get_cpu_rev() & ~(0xF << 8);
|
|
}
|
|
|
|
#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
|
|
PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
|
|
|
|
#ifdef CONFIG_USB_EHCI_MX5
|
|
int board_ehci_hcd_init(int port)
|
|
{
|
|
/* request VBUS power enable pin, GPIO7_8 */
|
|
imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8);
|
|
gpio_direction_output(IMX_GPIO_NR(7, 8), 1);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void setup_iomux_fec(void)
|
|
{
|
|
static const iomux_v3_cfg_t fec_pads[] = {
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
|
|
PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP |
|
|
PAD_CTL_ODE),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
|
|
PAD_CTL_HYS | PAD_CTL_PKE),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
|
|
PAD_CTL_HYS | PAD_CTL_PKE),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
|
|
PAD_CTL_HYS | PAD_CTL_PKE),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
|
|
PAD_CTL_HYS | PAD_CTL_PKE),
|
|
NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
|
|
PAD_CTL_HYS | PAD_CTL_PKE),
|
|
};
|
|
|
|
imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
|
|
}
|
|
|
|
#define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
|
|
PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
|
|
|
|
static void setup_iomux_i2c(void)
|
|
{
|
|
static const iomux_v3_cfg_t i2c1_pads[] = {
|
|
NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
|
|
NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
|
|
};
|
|
|
|
imx_iomux_v3_setup_multiple_pads(i2c1_pads, ARRAY_SIZE(i2c1_pads));
|
|
}
|
|
|
|
#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
|
|
|
|
static struct i2c_pads_info i2c_pad_info1 = {
|
|
.scl = {
|
|
.i2c_mode = MX53_PAD_EIM_D21__I2C1_SCL | I2C_PAD,
|
|
.gpio_mode = MX53_PAD_EIM_D28__GPIO3_28 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(3, 28)
|
|
},
|
|
.sda = {
|
|
.i2c_mode = MX53_PAD_EIM_D28__I2C1_SDA | I2C_PAD,
|
|
.gpio_mode = MX53_PAD_EIM_D21__GPIO3_21 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(3, 21)
|
|
}
|
|
};
|
|
|
|
static int clock_1GHz(void)
|
|
{
|
|
int ret;
|
|
u32 ref_clk = MXC_HCLK;
|
|
/*
|
|
* After increasing voltage to 1.25V, we can switch
|
|
* CPU clock to 1GHz and DDR to 400MHz safely
|
|
*/
|
|
ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
|
|
if (ret) {
|
|
printf("CPU: Switch CPU clock to 1GHZ failed\n");
|
|
return -1;
|
|
}
|
|
|
|
ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
|
|
ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
|
|
if (ret) {
|
|
printf("CPU: Switch DDR clock to 400MHz failed\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ppd_gpio_init(void)
|
|
{
|
|
int i;
|
|
|
|
imx_iomux_v3_setup_multiple_pads(ppd_pads, ARRAY_SIZE(ppd_pads));
|
|
for (i = 0; i < ARRAY_SIZE(ppd_gpios); ++i)
|
|
gpio_direction_output(ppd_gpios[i].gpio, ppd_gpios[i].value);
|
|
}
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
setup_iomux_fec();
|
|
setup_iomux_lcd();
|
|
ppd_gpio_init();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Do not overwrite the console
|
|
* Use always serial for U-Boot console
|
|
*/
|
|
int overwrite_console(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
#define VPD_TYPE_INVALID 0x00
|
|
#define VPD_BLOCK_NETWORK 0x20
|
|
#define VPD_BLOCK_HWID 0x44
|
|
#define VPD_PRODUCT_PPD 4
|
|
#define VPD_HAS_MAC1 0x1
|
|
#define VPD_MAC_ADDRESS_LENGTH 6
|
|
|
|
struct vpd_cache {
|
|
u8 product_id;
|
|
u8 has;
|
|
unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
|
|
};
|
|
|
|
/*
|
|
* Extracts MAC and product information from the VPD.
|
|
*/
|
|
static int vpd_callback(struct vpd_cache *userdata, u8 id, u8 version,
|
|
u8 type, size_t size, u8 const *data)
|
|
{
|
|
struct vpd_cache *vpd = userdata;
|
|
|
|
if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
|
|
size >= 1) {
|
|
vpd->product_id = data[0];
|
|
|
|
} else if (id == VPD_BLOCK_NETWORK && version == 1 &&
|
|
type != VPD_TYPE_INVALID) {
|
|
if (size >= 6) {
|
|
vpd->has |= VPD_HAS_MAC1;
|
|
memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void process_vpd(struct vpd_cache *vpd)
|
|
{
|
|
int fec_index = -1;
|
|
|
|
if (vpd->product_id == VPD_PRODUCT_PPD)
|
|
fec_index = 0;
|
|
|
|
if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
|
|
eth_env_set_enetaddr("ethaddr", vpd->mac1);
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
|
|
|
|
mxc_set_sata_internal_clock();
|
|
setup_iomux_i2c();
|
|
|
|
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int misc_init_r(void)
|
|
{
|
|
const char *cause;
|
|
|
|
/* We care about WDOG only, treating everything else as
|
|
* a power-on-reset.
|
|
*/
|
|
if (get_imx_reset_cause() & 0x0010)
|
|
cause = "WDOG";
|
|
else
|
|
cause = "POR";
|
|
|
|
env_set("bootcause", cause);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
int res;
|
|
struct vpd_cache vpd;
|
|
|
|
memset(&vpd, 0, sizeof(vpd));
|
|
res = read_vpd(&vpd, vpd_callback);
|
|
if (!res)
|
|
process_vpd(&vpd);
|
|
else
|
|
printf("Can't read VPD");
|
|
|
|
res = clock_1GHz();
|
|
if (res != 0)
|
|
return res;
|
|
|
|
print_cpuinfo();
|
|
hw_watchdog_init();
|
|
|
|
check_time();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int checkboard(void)
|
|
{
|
|
puts("Board: GE PPD\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_OF_BOARD_SETUP
|
|
int ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
fdt_setprop(blob, 0, "ge,boot-ver", version_string,
|
|
strlen(version_string) + 1);
|
|
return 0;
|
|
}
|
|
#endif
|