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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 Amarula Solutions
*/
#include <common.h>
#include <debug_uart.h>
#include <dm.h>
#include <ram.h>
#include <spl.h>
#include <version.h>
#include <asm/io.h>
#include <asm/arch/bootrom.h>
#include <asm/arch/clock.h>
#include <asm/arch/grf_rk3288.h>
#include <asm/arch/periph.h>
#include <asm/arch/pmu_rk3288.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/timer.h>
#define GRF_BASE 0xff770000
void board_init_f(ulong dummy)
{
struct udevice *dev;
int ret;
/* Example code showing how to enable the debug UART on RK3288 */
/* Enable early UART on the RK3288 */
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();
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;
}
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
return;
}
}
void board_return_to_bootrom(void)
{
back_to_bootrom(BROM_BOOT_NEXTSTAGE);
}
u32 spl_boot_device(void)
{
return BOOT_DEVICE_BOOTROM;
}
void spl_board_init(void)
{
puts("\nU-Boot TPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \
U_BOOT_TIME ")\n");
}
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