From b678f2790c8634539a3458f03d53f2273e0fdc75 Mon Sep 17 00:00:00 2001
From: Kever Yang <kever.yang@rock-chips.com>
Date: Mon, 22 Jul 2019 20:02:12 +0800
Subject: rockchip: rk3288: Move veyron_init() back to veyron.c

The veyron_init() should go to its board file veyron.c,
and the board_early_init_f() could be the right place.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
---
 board/google/veyron/veyron.c | 63 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

(limited to 'board/google')

diff --git a/board/google/veyron/veyron.c b/board/google/veyron/veyron.c
index 361f0e9..dd2c014 100644
--- a/board/google/veyron/veyron.c
+++ b/board/google/veyron/veyron.c
@@ -3,20 +3,82 @@
  * (C) Copyright 2015 Google, Inc
  */
 
+#include <clk.h>
 #include <common.h>
+#include <dm.h>
 #include <asm/arch-rockchip/clock.h>
+#include <dt-bindings/clock/rk3288-cru.h>
+#include <power/regulator.h>
 
 /*
  * We should increase the DDR voltage to 1.2V using the PWM regulator.
  * There is a U-Boot driver for this but it may need to add support for the
  * 'voltage-table' property.
  */
+#ifndef CONFIG_SPL_BUILD
+#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;
+
+	ret = regulator_get_by_platname("vcc33_sd", &dev);
+	if (ret) {
+		debug("Cannot get regulator name\n");
+		return ret;
+	}
+
+	ret = regulator_set_value(dev, 3300000);
+	if (ret)
+		return ret;
+
+	ret = regulators_enable_boot_on(false);
+	if (ret) {
+		debug("%s: Cannot enable boot on regulators\n", __func__);
+		return ret;
+	}
+
+	return 0;
+}
+#endif
 
 int board_early_init_f(void)
 {
 	struct udevice *dev;
 	int ret;
 
+#if !CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
+	if (!fdt_node_check_compatible(gd->fdt_blob, 0, "google,veyron")) {
+		ret = veyron_init();
+		if (ret)
+			return ret;
+	}
+#endif
 	/*
 	 * 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
@@ -30,3 +92,4 @@ int board_early_init_f(void)
 
 	return 0;
 }
+#endif
-- 
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