diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3288/rk3288.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3288/rk3288.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3288/rk3288.c b/arch/arm/mach-rockchip/rk3288/rk3288.c index 7552472fbc..b462c09069 100644 --- a/arch/arm/mach-rockchip/rk3288/rk3288.c +++ b/arch/arm/mach-rockchip/rk3288/rk3288.c @@ -2,13 +2,29 @@ /* * Copyright (c) 2016 Rockchip Electronics Co., Ltd */ +#include <common.h> +#include <dm.h> +#include <clk.h> #include <asm/armv7.h> #include <asm/io.h> +#include <asm/arch-rockchip/bootrom.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/cru_rk3288.h> #include <asm/arch-rockchip/hardware.h> #include <asm/arch-rockchip/grf_rk3288.h> +#include <asm/arch-rockchip/pmu_rk3288.h> +#include <asm/arch-rockchip/qos_rk3288.h> +#include <asm/arch-rockchip/sdram_common.h> + +DECLARE_GLOBAL_DATA_PTR; #define GRF_BASE 0xff770000 +const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = { + [BROM_BOOTSOURCE_EMMC] = "dwmmc@ff0f0000", + [BROM_BOOTSOURCE_SD] = "dwmmc@ff0c0000", +}; + #ifdef CONFIG_SPL_BUILD static void configure_l2ctlr(void) { @@ -30,6 +46,24 @@ static void configure_l2ctlr(void) } #endif +int rk3288_qos_init(void) +{ + int val = 2 << PRIORITY_HIGH_SHIFT | 2 << PRIORITY_LOW_SHIFT; + /* set vop qos to higher priority */ + writel(val, CPU_AXI_QOS_PRIORITY + VIO0_VOP_QOS); + writel(val, CPU_AXI_QOS_PRIORITY + VIO1_VOP_QOS); + + if (!fdt_node_check_compatible(gd->fdt_blob, 0, + "rockchip,rk3288-tinker")) { + /* set isp qos to higher priority */ + writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_R_QOS); + writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_W0_QOS); + writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_W1_QOS); + } + + return 0; +} + int arch_cpu_init(void) { #ifdef CONFIG_SPL_BUILD @@ -40,6 +74,14 @@ int arch_cpu_init(void) /* Use rkpwm by default */ rk_setreg(&grf->soc_con2, 1 << 0); + + /* + * Disable JTAG on sdmmc0 IO. The SDMMC won't work until this bit is + * cleared + */ + rk_clrreg(&grf->soc_con0, 1 << 12); + + rk3288_qos_init(); #endif return 0; @@ -57,3 +99,103 @@ void board_debug_uart_init(void) GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT); } #endif + +static void rk3288_detect_reset_reason(void) +{ + struct rk3288_cru *cru = rockchip_get_cru(); + const char *reason; + + if (IS_ERR(cru)) + return; + + switch (cru->cru_glb_rst_st) { + case GLB_POR_RST: + reason = "POR"; + break; + case FST_GLB_RST_ST: + case SND_GLB_RST_ST: + reason = "RST"; + break; + case FST_GLB_TSADC_RST_ST: + case SND_GLB_TSADC_RST_ST: + reason = "THERMAL"; + break; + case FST_GLB_WDT_RST_ST: + case SND_GLB_WDT_RST_ST: + reason = "WDOG"; + break; + default: + reason = "unknown reset"; + } + + env_set("reset_reason", reason); + + /* + * Clear cru_glb_rst_st, so we can determine the last reset cause + * for following resets. + */ + rk_clrreg(&cru->cru_glb_rst_st, GLB_RST_ST_MASK); +} + +__weak int rk3288_board_late_init(void) +{ + return 0; +} + +int rk_board_late_init(void) +{ + rk3288_detect_reset_reason(); + + return rk3288_board_late_init(); +} + +static int do_clock(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + static const struct { + char *name; + int id; + } clks[] = { + { "osc", CLK_OSC }, + { "apll", CLK_ARM }, + { "dpll", CLK_DDR }, + { "cpll", CLK_CODEC }, + { "gpll", CLK_GENERAL }, +#ifdef CONFIG_ROCKCHIP_RK3036 + { "mpll", CLK_NEW }, +#else + { "npll", CLK_NEW }, +#endif + }; + int ret, i; + struct udevice *dev; + + ret = rockchip_get_clk(&dev); + if (ret) { + printf("clk-uclass not found\n"); + return 0; + } + + for (i = 0; i < ARRAY_SIZE(clks); i++) { + struct clk clk; + ulong rate; + + clk.id = clks[i].id; + ret = clk_request(dev, &clk); + if (ret < 0) + continue; + + rate = clk_get_rate(&clk); + printf("%s: %lu\n", clks[i].name, rate); + + clk_free(&clk); + } + + return 0; +} + +U_BOOT_CMD( + clock, 2, 1, do_clock, + "display information about clocks", + "" +); |