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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-rockchip/bootrom.h>
- #include <asm/arch-rockchip/clock.h>
- #include <asm/arch-rockchip/grf_rk3288.h>
- #include <asm/arch-rockchip/periph.h>
- #include <asm/arch-rockchip/pmu_rk3288.h>
- #include <asm/arch-rockchip/sys_proto.h>
- #include <asm/arch-rockchip/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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