d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2017 Amarula Solutions
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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");
|
|
}
|