4 files changed, 204 insertions, 0 deletions
diff --git a/board/nvidia/p3450-0000/Kconfig b/board/nvidia/p3450-0000/Kconfig
new file mode 100644
index 0000000..7a08cd8
--- /dev/null
+++ b/board/nvidia/p3450-0000/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_P3450_0000
+
+config SYS_BOARD
+	default "p3450-0000"
+
+config SYS_VENDOR
+	default "nvidia"
+
+config SYS_CONFIG_NAME
+	default "p3450-0000"
+
+endif
diff --git a/board/nvidia/p3450-0000/MAINTAINERS b/board/nvidia/p3450-0000/MAINTAINERS
new file mode 100644
index 0000000..4070006
--- /dev/null
+++ b/board/nvidia/p3450-0000/MAINTAINERS
@@ -0,0 +1,6 @@
+P3450-0000 BOARD
+M:	Tom Warren <twarren@nvidia.com>
+S:	Maintained
+F:	board/nvidia/p3450-0000/
+F:	include/configs/p3450-0000.h
+F:	configs/p3450-0000_defconfig
diff --git a/board/nvidia/p3450-0000/Makefile b/board/nvidia/p3450-0000/Makefile
new file mode 100644
index 0000000..993c506
--- /dev/null
+++ b/board/nvidia/p3450-0000/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2018
+# NVIDIA Corporation <www.nvidia.com>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= p3450-0000.o
diff --git a/board/nvidia/p3450-0000/p3450-0000.c b/board/nvidia/p3450-0000/p3450-0000.c
new file mode 100644
index 0000000..f4212ab
--- /dev/null
+++ b/board/nvidia/p3450-0000/p3450-0000.c
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018-2019
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <i2c.h>
+#include <linux/libfdt.h>
+#include <pca953x.h>
+#include <asm/arch-tegra/cboot.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pinmux.h>
+#include "../p2571/max77620_init.h"
+
+void pin_mux_mmc(void)
+{
+	struct udevice *dev;
+	uchar val;
+	int ret;
+
+	/* Turn on MAX77620 LDO2 to 3.3V for SD card power */
+	debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
+	ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
+	if (ret) {
+		printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
+		return;
+	}
+	/* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
+	val = 0xF2;
+	ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
+
+	/* Disable LDO4 discharge */
+	ret = dm_i2c_read(dev, MAX77620_CNFG2_L4_REG, &val, 1);
+	if (ret) {
+		printf("i2c_read 0 0x3c 0x2c failed: %d\n", ret);
+	} else {
+		val &= ~BIT(1); /* ADE */
+		ret = dm_i2c_write(dev, MAX77620_CNFG2_L4_REG, &val, 1);
+		if (ret)
+			printf("i2c_write 0 0x3c 0x2c failed: %d\n", ret);
+	}
+
+	/* Set MBLPD */
+	ret = dm_i2c_read(dev, MAX77620_CNFGGLBL1_REG, &val, 1);
+	if (ret) {
+		printf("i2c_write 0 0x3c 0x00 failed: %d\n", ret);
+	} else {
+		val |= BIT(6); /* MBLPD */
+		ret = dm_i2c_write(dev, MAX77620_CNFGGLBL1_REG, &val, 1);
+		if (ret)
+			printf("i2c_write 0 0x3c 0x00 failed: %d\n", ret);
+	}
+}
+
+#ifdef CONFIG_PCI_TEGRA
+int tegra_pcie_board_init(void)
+{
+	struct udevice *dev;
+	uchar val;
+	int ret;
+
+	/* Turn on MAX77620 LDO1 to 1.05V for PEX power */
+	debug("%s: Set LDO1 for PEX power to 1.05V\n", __func__);
+	ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
+	if (ret) {
+		printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
+		return -1;
+	}
+	/* 0xCA for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
+	val = 0xCA;
+	ret = dm_i2c_write(dev, MAX77620_CNFG1_L1_REG, &val, 1);
+	if (ret)
+		printf("i2c_write 0 0x3c 0x25 failed: %d\n", ret);
+
+	return 0;
+}
+#endif /* PCI */
+
+static void ft_mac_address_setup(void *fdt)
+{
+	const void *cboot_fdt = (const void *)cboot_boot_x0;
+	uint8_t mac[ETH_ALEN], local_mac[ETH_ALEN];
+	const char *path;
+	int offset, err;
+
+	err = cboot_get_ethaddr(cboot_fdt, local_mac);
+	if (err < 0)
+		memset(local_mac, 0, ETH_ALEN);
+
+	path = fdt_get_alias(fdt, "ethernet");
+	if (!path)
+		return;
+
+	debug("ethernet alias found: %s\n", path);
+
+	offset = fdt_path_offset(fdt, path);
+	if (offset < 0) {
+		printf("ethernet alias points to absent node %s\n", path);
+		return;
+	}
+
+	if (is_valid_ethaddr(local_mac)) {
+		err = fdt_setprop(fdt, offset, "local-mac-address", local_mac,
+				  ETH_ALEN);
+		if (!err)
+			debug("Local MAC address set: %pM\n", local_mac);
+	}
+
+	if (eth_env_get_enetaddr("ethaddr", mac)) {
+		if (memcmp(local_mac, mac, ETH_ALEN) != 0) {
+			err = fdt_setprop(fdt, offset, "mac-address", mac,
+					  ETH_ALEN);
+			if (!err)
+				debug("MAC address set: %pM\n", mac);
+		}
+	}
+}
+
+static int ft_copy_carveout(void *dst, const void *src, const char *node)
+{
+	struct fdt_memory fb;
+	int err;
+
+	err = fdtdec_get_carveout(src, node, "memory-region", 0, &fb);
+	if (err < 0) {
+		if (err != -FDT_ERR_NOTFOUND)
+			printf("failed to get carveout for %s: %d\n", node,
+			       err);
+
+		return err;
+	}
+
+	err = fdtdec_set_carveout(dst, node, "memory-region", 0, "framebuffer",
+				  &fb);
+	if (err < 0) {
+		printf("failed to set carveout for %s: %d\n", node, err);
+		return err;
+	}
+
+	return 0;
+}
+
+static void ft_carveout_setup(void *fdt)
+{
+	const void *cboot_fdt = (const void *)cboot_boot_x0;
+	static const char * const nodes[] = {
+		"/host1x@50000000/dc@54200000",
+		"/host1x@50000000/dc@54240000",
+	};
+	unsigned int i;
+	int err;
+
+	for (i = 0; i < ARRAY_SIZE(nodes); i++) {
+		printf("copying carveout for %s...\n", nodes[i]);
+
+		err = ft_copy_carveout(fdt, cboot_fdt, nodes[i]);
+		if (err < 0) {
+			if (err != -FDT_ERR_NOTFOUND)
+				printf("failed to copy carveout for %s: %d\n",
+				       nodes[i], err);
+
+			continue;
+		}
+	}
+}
+
+int ft_board_setup(void *fdt, bd_t *bd)
+{
+	ft_mac_address_setup(fdt);
+	ft_carveout_setup(fdt);
+
+	return 0;
+}