void main(void)
{
timestamp_add_now(TS_START_ROMSTAGE);
console_init();
configure_l2ctlr();
tsadc_init();
/* vdd_log 1200mv is enough for ddr run 666Mhz */
regulate_vdd_log(1200);
timestamp_add_now(TS_BEFORE_INITRAM);
sdram_init(get_sdram_config());
timestamp_add_now(TS_AFTER_INITRAM);
/* Now that DRAM is up, add mappings for it and DMA coherency buffer. */
mmu_config_range((uintptr_t)_dram/MiB,
sdram_size_mb(), DCACHE_WRITEBACK);
mmu_config_range((uintptr_t)_dma_coherent/MiB,
_dma_coherent_size/MiB, DCACHE_OFF);
cbmem_initialize_empty();
timestamp_add_now(TS_END_ROMSTAGE);
run_ramstage();
}
void main(void)
{
#if CONFIG_COLLECT_TIMESTAMPS
uint64_t start_romstage_time;
uint64_t before_dram_time;
uint64_t after_dram_time;
uint64_t base_time = timestamp_get();
start_romstage_time = timestamp_get();
#endif
console_init();
configure_l2ctlr();
tsadc_init();
/* vdd_log 1200mv is enough for ddr run 666Mhz */
regulate_vdd_log(1200);
#if CONFIG_COLLECT_TIMESTAMPS
before_dram_time = timestamp_get();
#endif
sdram_init(get_sdram_config());
#if CONFIG_COLLECT_TIMESTAMPS
after_dram_time = timestamp_get();
#endif
/* Now that DRAM is up, add mappings for it and DMA coherency buffer. */
mmu_config_range((uintptr_t)_dram/MiB,
sdram_size_mb(), DCACHE_WRITEBACK);
mmu_config_range((uintptr_t)_dma_coherent/MiB,
_dma_coherent_size/MiB, DCACHE_OFF);
cbmem_initialize_empty();
#if CONFIG_COLLECT_TIMESTAMPS
timestamp_init(base_time);
timestamp_add(TS_START_ROMSTAGE, start_romstage_time);
timestamp_add(TS_BEFORE_INITRAM, before_dram_time);
timestamp_add(TS_AFTER_INITRAM, after_dram_time);
timestamp_add_now(TS_END_ROMSTAGE);
#endif
#if IS_ENABLED(CONFIG_VBOOT_VERIFY_FIRMWARE)
void *entry = vboot2_load_ramstage();
if (entry != NULL)
stage_exit(entry);
#endif
run_ramstage();
}
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_init_f(ulong dummy)
{
struct udevice *pinctrl;
struct udevice *dev;
int ret;
/* Example code showing how to enable the debug UART on RK3288 */
#include <asm/arch/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;
}
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("Pinctrl 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
}