void board_init_f(ulong dummy) { /* Example code showing how to enable the debug UART on RK3188 */ #ifdef EARLY_UART #include <asm/arch/grf_rk3188.h> /* Enable early UART on the RK3188 */ #define GRF_BASE 0x20008000 struct rk3188_grf * const grf = (void *)GRF_BASE; rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B1_MASK << GPIO1B1_SHIFT | GPIO1B0_MASK << GPIO1B0_SHIFT, GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT | GPIO1B0_UART2_SIN << GPIO1B0_SHIFT); /* * Debug UART can be used from here if required: * * debug_uart_init(); * printch('a'); * printhex8(0x1234); * printascii("string"); */ debug_uart_init(); printch('t'); printch('p'); printch('l'); printch('-'); printch(rk3188_num_entries + 1 + '0'); printch('\n'); #endif rk3188_num_entries++; if (rk3188_num_entries == 1) { /* * The original loader did some very basic integrity * checking at this point, but the remaining few bytes * could be used for any improvement making sense * really early on. */ back_to_bootrom(); } else { /* * TPL part of the loader should now wait for us * at offset 0xC00 in the sram. Should never return * from there. */ jump_to_spl(); } }
void spl_board_init(void) { struct udevice *pinctrl; int ret; ret = setup_led(); if (ret) { debug("LED ret=%d\n", ret); hang(); } ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); if (ret) { debug("%s: Cannot find pinctrl device\n", __func__); goto err; } #ifdef CONFIG_SPL_MMC_SUPPORT ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD); if (ret) { debug("%s: Failed to set up SD card\n", __func__); goto err; } ret = configure_emmc(pinctrl); if (ret) { debug("%s: Failed to set up eMMC\n", __func__); goto err; } #endif /* Enable debug UART */ ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG); if (ret) { debug("%s: Failed to set up console UART\n", __func__); goto err; } preloader_console_init(); #if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM) back_to_bootrom(BROM_BOOT_NEXTSTAGE); #endif return; err: printf("spl_board_init: Error %d\n", ret); /* No way to report error here */ hang(); }
void board_init_f(ulong dummy) { #ifdef EARLY_DEBUG /* * NOTE: sd card and debug uart use same iomux in rk3036, * so if you enable uart, * you can not boot from sdcard */ rk_clrsetreg(&grf->gpio1c_iomux, GPIO1C3_MASK << GPIO1C3_SHIFT | GPIO1C2_MASK << GPIO1C2_SHIFT, GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT | GPIO1C2_UART2_SIN << GPIO1C2_SHIFT); debug_uart_init(); #endif rockchip_timer_init(); sdram_init(); /* return to maskrom */ back_to_bootrom(); }
void board_return_to_bootrom(void) { back_to_bootrom(BROM_BOOT_NEXTSTAGE); }
void board_init_f(ulong dummy) { struct udevice *pinctrl, *dev; struct rk3188_pmu *pmu; int ret; /* Example code showing how to enable the debug UART on RK3188 */ #ifdef EARLY_UART #include <asm/arch/grf_rk3188.h> /* Enable early UART on the RK3188 */ #define GRF_BASE 0x20008000 struct rk3188_grf * const grf = (void *)GRF_BASE; rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B1_MASK << GPIO1B1_SHIFT | GPIO1B0_MASK << GPIO1B0_SHIFT, GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT | GPIO1B0_UART2_SIN << GPIO1B0_SHIFT); /* * Debug UART can be used from here if required: * * debug_uart_init(); * printch('a'); * printhex8(0x1234); * printascii("string"); */ debug_uart_init(); printch('s'); printch('p'); printch('l'); printch('\n'); #endif ret = spl_early_init(); if (ret) { debug("spl_early_init() failed: %d\n", ret); hang(); } rockchip_timer_init(); ret = rockchip_get_clk(&dev); if (ret) { debug("CLK init failed: %d\n", ret); return; } /* * Recover the bootrom's stackpointer. * For whatever reason needs to run after rockchip_get_clk. */ pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU); if (IS_ERR(pmu)) error("pmu syscon returned %ld\n", PTR_ERR(pmu)); SAVE_SP_ADDR = readl(&pmu->sys_reg[2]); ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); if (ret) { debug("Pinctrl init failed: %d\n", ret); return; } ret = uclass_get_device(UCLASS_RAM, 0, &dev); if (ret) { debug("DRAM init failed: %d\n", ret); return; } setup_arm_clock(); #if defined(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM) && !defined(CONFIG_SPL_BOARD_INIT) back_to_bootrom(); #endif }
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 }
void board_init_f(ulong dummy) { struct udevice *pinctrl, *dev; int ret; /* Example code showing how to enable the debug UART on RK3188 */ #ifdef EARLY_UART #include <asm/arch/grf_rk3188.h> /* Enable early UART on the RK3188 */ #define GRF_BASE 0x20008000 struct rk3188_grf * const grf = (void *)GRF_BASE; rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B1_MASK << GPIO1B1_SHIFT | GPIO1B0_MASK << GPIO1B0_SHIFT, GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT | GPIO1B0_UART2_SIN << GPIO1B0_SHIFT); /* * Debug UART can be used from here if required: * * debug_uart_init(); * printch('a'); * printhex8(0x1234); * printascii("string"); */ debug_uart_init(); printch('s'); printch('p'); printch('l'); printch('\n'); #endif ret = spl_early_init(); if (ret) { debug("spl_early_init() failed: %d\n", ret); hang(); } 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; } ret = uclass_get_device(UCLASS_RAM, 0, &dev); if (ret) { debug("DRAM init failed: %d\n", ret); return; } setup_arm_clock(); #if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM) && !defined(CONFIG_SPL_BOARD_INIT) back_to_bootrom(BROM_BOOT_NEXTSTAGE); #endif }