+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2015 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <syscon.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3288.h>
#include <asm/arch/periph.h>
#include <asm/arch/pmu_rk3288.h>
+#include <asm/arch/qos_rk3288.h>
#include <asm/arch/boot_mode.h>
#include <asm/gpio.h>
#include <dm/pinctrl.h>
+#include <dt-bindings/clock/rk3288-cru.h>
+#include <power/regulator.h>
DECLARE_GLOBAL_DATA_PTR;
-#define PMU_BASE 0xff730000
+__weak int rk_board_late_init(void)
+{
+ return 0;
+}
-static void setup_boot_mode(void)
+int rk3288_qos_init(void)
{
- struct rk3288_pmu *const pmu = (void *)PMU_BASE;
- int boot_mode = readl(&pmu->sys_reg[0]);
+ 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;
+}
- debug("boot mode %x.\n", boot_mode);
+static void rk3288_detect_reset_reason(void)
+{
+ struct rk3288_cru *cru = rockchip_get_cru();
+ const char *reason;
- /* Clear boot mode */
- writel(BOOT_NORMAL, &pmu->sys_reg[0]);
+ if (IS_ERR(cru))
+ return;
- switch (boot_mode) {
- case BOOT_FASTBOOT:
- printf("enter fastboot!\n");
- setenv("preboot", "setenv preboot; fastboot usb0");
+ 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 BOOT_UMS:
- printf("enter UMS!\n");
- setenv("preboot", "setenv preboot; if mmc dev 0;"
- "then ums mmc 0; else ums mmc 1;fi");
+ 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";
}
-}
-__weak int rk_board_late_init(void)
-{
- return 0;
+ 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);
}
int board_late_init(void)
{
setup_boot_mode();
+ rk3288_qos_init();
+ rk3288_detect_reset_reason();
return rk_board_late_init();
}
+#if !CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
+static int veyron_init(void)
+{
+ struct udevice *dev;
+ struct clk clk;
+ int ret;
+
+ ret = regulator_get_by_platname("vdd_arm", &dev);
+ if (ret) {
+ debug("Cannot set regulator name\n");
+ return ret;
+ }
+
+ /* Slowly raise to max CPU voltage to prevent overshoot */
+ ret = regulator_set_value(dev, 1200000);
+ if (ret)
+ return ret;
+ udelay(175); /* Must wait for voltage to stabilize, 2mV/us */
+ ret = regulator_set_value(dev, 1400000);
+ if (ret)
+ return ret;
+ udelay(100); /* Must wait for voltage to stabilize, 2mV/us */
+
+ ret = rockchip_get_clk(&clk.dev);
+ if (ret)
+ return ret;
+ clk.id = PLL_APLL;
+ ret = clk_set_rate(&clk, 1800000000);
+ if (IS_ERR_VALUE(ret))
+ return ret;
+
+ return 0;
+}
+#endif
+
int board_init(void)
{
-#ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM
+#if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
struct udevice *pinctrl;
int ret;
return -1;
#else
- return 0;
-#endif
-}
-
-int dram_init(void)
-{
- struct ram_info ram;
- struct udevice *dev;
int ret;
- ret = uclass_get_device(UCLASS_RAM, 0, &dev);
- if (ret) {
- debug("DRAM init failed: %d\n", ret);
- return ret;
- }
- ret = ram_get_info(dev, &ram);
- if (ret) {
- debug("Cannot get DRAM size: %d\n", ret);
- return ret;
+ /* We do some SoC one time setting here */
+ if (!fdt_node_check_compatible(gd->fdt_blob, 0, "google,veyron")) {
+ ret = veyron_init();
+ if (ret)
+ return ret;
}
- debug("SDRAM base=%lx, size=%x\n", ram.base, ram.size);
- gd->ram_size = ram.size;
return 0;
+#endif
}
#ifndef CONFIG_SYS_DCACHE_OFF
"display information about clocks",
""
);
+
+#define GRF_SOC_CON2 0xff77024c
+
+int board_early_init_f(void)
+{
+ struct udevice *pinctrl;
+ struct udevice *dev;
+ int ret;
+
+ /*
+ * This init is done in SPL, but when chain-loading U-Boot SPL will
+ * have been skipped. Allow the clock driver to check if it needs
+ * setting up.
+ */
+ ret = rockchip_get_clk(&dev);
+ if (ret) {
+ debug("CLK init failed: %d\n", ret);
+ return ret;
+ }
+ ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
+ if (ret) {
+ debug("%s: Cannot find pinctrl device\n", __func__);
+ return ret;
+ }
+
+ /* Enable debug UART */
+ ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
+ if (ret) {
+ debug("%s: Failed to set up console UART\n", __func__);
+ return ret;
+ }
+ rk_setreg(GRF_SOC_CON2, 1 << 0);
+
+ return 0;
+}
projects / oweals / u-boot.git / blobdiff