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/*
* (C) Copyright 2015 Rockchip Electronics Co., Ltd
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <asm/io.h>
#include <asm/arch/uart.h>
#include <asm/arch-rockchip/grf_rk3036.h>
#include <asm/arch/sdram_rk3036.h>
#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
#define GRF_BASE 0x20008000
void get_ddr_config(struct rk3036_ddr_config *config)
{
/* K4B4G1646Q config */
config->ddr_type = 3;
config->rank = 1;
config->cs0_row = 15;
config->cs1_row = 15;
/* 8bank */
config->bank = 3;
config->col = 10;
/* 16bit bw */
config->bw = 1;
}
#define FASTBOOT_KEY_GPIO 93
int fastboot_key_pressed(void)
{
gpio_request(FASTBOOT_KEY_GPIO, "fastboot_key");
gpio_direction_input(FASTBOOT_KEY_GPIO);
return !gpio_get_value(FASTBOOT_KEY_GPIO);
}
#define ROCKCHIP_BOOT_MODE_FASTBOOT 0x5242C309
int board_late_init(void)
{
struct rk3036_grf * const grf = (void *)GRF_BASE;
int boot_mode = readl(&grf->os_reg[4]);
/* Clear boot mode */
writel(0, &grf->os_reg[4]);
if (boot_mode == ROCKCHIP_BOOT_MODE_FASTBOOT ||
fastboot_key_pressed()) {
printf("enter fastboot!\n");
setenv("preboot", "setenv preboot; fastboot usb0");
}
return 0;
}
int board_init(void)
{
return 0;
}
int dram_init(void)
{
gd->ram_size = sdram_size();
return 0;
}
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
}
#endif
#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
#include <usb.h>
#include <usb/dwc2_udc.h>
static struct dwc2_plat_otg_data rk3036_otg_data = {
.rx_fifo_sz = 512,
.np_tx_fifo_sz = 16,
.tx_fifo_sz = 128,
};
int board_usb_init(int index, enum usb_init_type init)
{
int node;
const char *mode;
bool matched = false;
const void *blob = gd->fdt_blob;
/* find the usb_otg node */
node = fdt_node_offset_by_compatible(blob, -1,
"rockchip,rk3288-usb");
while (node > 0) {
mode = fdt_getprop(blob, node, "dr_mode", NULL);
if (mode && strcmp(mode, "otg") == 0) {
matched = true;
break;
}
node = fdt_node_offset_by_compatible(blob, node,
"rockchip,rk3288-usb");
}
if (!matched) {
debug("Not found usb_otg device\n");
return -ENODEV;
}
rk3036_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
return dwc2_udc_probe(&rk3036_otg_data);
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
return 0;
}
#endif
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