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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2015 Google, Inc
*/
#include <common.h>
#include <debug_uart.h>
#include <dm.h>
#include <fdtdec.h>
#include <i2c.h>
#include <led.h>
#include <malloc.h>
#include <ram.h>
#include <spl.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch-rockchip/bootrom.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/hardware.h>
#include <asm/arch-rockchip/periph.h>
#include <asm/arch-rockchip/pmu_rk3288.h>
#include <asm/arch-rockchip/sdram.h>
#include <asm/arch-rockchip/sdram_common.h>
#include <asm/arch-rockchip/sys_proto.h>
#include <asm/arch-rockchip/timer.h>
#include <dm/pinctrl.h>
#include <dm/root.h>
#include <dm/test.h>
#include <dm/util.h>
#include <power/regulator.h>
#include <power/rk8xx_pmic.h>
DECLARE_GLOBAL_DATA_PTR;
u32 spl_boot_device(void)
{
#if !CONFIG_IS_ENABLED(OF_PLATDATA)
const void *blob = gd->fdt_blob;
struct udevice *dev;
const char *bootdev;
int node;
int ret;
bootdev = fdtdec_get_config_string(blob, "u-boot,boot0");
debug("Boot device %s\n", bootdev);
if (!bootdev)
goto fallback;
node = fdt_path_offset(blob, bootdev);
if (node < 0) {
debug("node=%d\n", node);
goto fallback;
}
ret = device_get_global_by_ofnode(offset_to_ofnode(node), &dev);
if (ret) {
debug("device at node %s/%d not found: %d\n", bootdev, node,
ret);
goto fallback;
}
debug("Found device %s\n", dev->name);
switch (device_get_uclass_id(dev)) {
case UCLASS_SPI_FLASH:
return BOOT_DEVICE_SPI;
case UCLASS_MMC:
return BOOT_DEVICE_MMC1;
default:
debug("Booting from device uclass '%s' not supported\n",
dev_get_uclass_name(dev));
}
fallback:
#elif defined(CONFIG_TARGET_CHROMEBOOK_JERRY) || \
defined(CONFIG_TARGET_CHROMEBIT_MICKEY) || \
defined(CONFIG_TARGET_CHROMEBOOK_MINNIE) || \
defined(CONFIG_TARGET_CHROMEBOOK_SPEEDY)
return BOOT_DEVICE_SPI;
#endif
return BOOT_DEVICE_MMC1;
}
#if !defined(CONFIG_SPL_OF_PLATDATA)
static int phycore_init(void)
{
struct udevice *pmic;
int ret;
ret = uclass_first_device_err(UCLASS_PMIC, &pmic);
if (ret)
return ret;
#if defined(CONFIG_SPL_POWER_SUPPORT)
/* Increase USB input current to 2A */
ret = rk818_spl_configure_usb_input_current(pmic, 2000);
if (ret)
return ret;
/* Close charger when USB lower then 3.26V */
ret = rk818_spl_configure_usb_chrg_shutdown(pmic, 3260000);
if (ret)
return ret;
#endif
return 0;
}
#endif
void board_init_f(ulong dummy)
{
struct udevice *dev;
int ret;
/* Example code showing how to enable the debug UART on RK3288 */
#include <asm/arch-rockchip/grf_rk3288.h>
/* Enable early UART on the RK3288 */
#define GRF_BASE 0xff770000
struct rk3288_grf * const grf = (void *)GRF_BASE;
rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
GPIO7C6_MASK << GPIO7C6_SHIFT,
GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
/*
* Debug UART can be used from here if required:
*
* debug_uart_init();
* printch('a');
* printhex8(0x1234);
* printascii("string");
*/
debug_uart_init();
debug("\nspl:debug uart enabled in %s\n", __func__);
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
rockchip_timer_init();
configure_l2ctlr();
ret = rockchip_get_clk(&dev);
if (ret) {
debug("CLK init failed: %d\n", ret);
return;
}
#if !defined(CONFIG_SPL_OF_PLATDATA)
if (of_machine_is_compatible("phytec,rk3288-phycore-som")) {
ret = phycore_init();
if (ret) {
debug("Failed to set up phycore power settings: %d\n",
ret);
return;
}
}
#endif
#if !defined(CONFIG_SUPPORT_TPL)
debug("\nspl:init dram\n");
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
return;
}
#endif
#if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM) && !defined(CONFIG_SPL_BOARD_INIT)
back_to_bootrom(BROM_BOOT_NEXTSTAGE);
#endif
}
static int setup_led(void)
{
#ifdef CONFIG_SPL_LED
struct udevice *dev;
char *led_name;
int ret;
led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led");
if (!led_name)
return 0;
ret = led_get_by_label(led_name, &dev);
if (ret) {
debug("%s: get=%d\n", __func__, ret);
return ret;
}
ret = led_set_on(dev, 1);
if (ret)
return ret;
#endif
return 0;
}
void spl_board_init(void)
{
int ret;
ret = setup_led();
if (ret) {
debug("LED ret=%d\n", ret);
hang();
}
preloader_console_init();
#if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
back_to_bootrom(BROM_BOOT_NEXTSTAGE);
#endif
return;
}
#ifdef CONFIG_SPL_OS_BOOT
#define PMU_BASE 0xff730000
int dram_init_banksize(void)
{
struct rk3288_pmu *const pmu = (void *)PMU_BASE;
size_t size = rockchip_sdram_size((phys_addr_t)&pmu->sys_reg[2]);
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_dram[0].size = size;
return 0;
}
#endif
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