From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Mon, 29 Apr 2019 01:17:54 +0100
Subject: Initial import of qemu-2.4.1

---
 roms/u-boot/board/nvidia/whistler/whistler.c | 73 ++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 roms/u-boot/board/nvidia/whistler/whistler.c

(limited to 'roms/u-boot/board/nvidia/whistler/whistler.c')

diff --git a/roms/u-boot/board/nvidia/whistler/whistler.c b/roms/u-boot/board/nvidia/whistler/whistler.c
new file mode 100644
index 00000000..3e9d3d9f
--- /dev/null
+++ b/roms/u-boot/board/nvidia/whistler/whistler.c
@@ -0,0 +1,73 @@
+/*
+ *  (C) Copyright 2010-2012
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+#include <asm/gpio.h>
+#include <i2c.h>
+
+#ifdef CONFIG_TEGRA_MMC
+/*
+ * Routine: pin_mux_mmc
+ * Description: setup the pin muxes/tristate values for the SDMMC(s)
+ */
+void pin_mux_mmc(void)
+{
+	uchar val;
+	int ret;
+
+	/* Turn on MAX8907B LDO12 to 2.8V for J40 power */
+	ret = i2c_set_bus_num(0);
+	if (ret)
+		printf("i2c_set_bus_num failed: %d\n", ret);
+	val = 0x29;
+	ret = i2c_write(0x3c, 0x46, 1, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x3c 0x46 failed: %d\n", ret);
+	val = 0x00;
+	ret = i2c_write(0x3c, 0x45, 1, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x3c 0x45 failed: %d\n", ret);
+	val = 0x1f;
+	ret = i2c_write(0x3c, 0x44, 1, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x3c 0x44 failed: %d\n", ret);
+
+	funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_SLXA_8BIT);
+	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATC_ATD_8BIT);
+}
+#endif
+
+/* this is a weak define that we are overriding */
+void pin_mux_usb(void)
+{
+	uchar val;
+	int ret;
+
+	/*
+	 * This is a hack. This should be represented in DT using the
+	 * vbus-gpio property. However, U-Boot's DT support doesn't
+	 * support any GPIO controller other than the Tegra's yet.
+	 */
+
+	/* Turn on TAC6416's GPIO 0+1 for USB1/3's VBUS */
+	ret = i2c_set_bus_num(0);
+	if (ret)
+		printf("i2c_set_bus_num failed: %d\n", ret);
+	val = 0x03;
+	ret = i2c_write(0x20, 2, 1, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x20 2 failed: %d\n", ret);
+	val = 0xfc;
+	ret = i2c_write(0x20, 6, 1, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x20 6 failed: %d\n", ret);
+}
-- 
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