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@@ -0,0 +1,178 @@
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+// SPDX-License-Identifier: GPL-2.0+
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+/*
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+ * (C) Copyright 2018-2019
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+ * NVIDIA Corporation <www.nvidia.com>
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+ *
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+ */
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+
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+#include <common.h>
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+#include <fdtdec.h>
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+#include <i2c.h>
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+#include <linux/libfdt.h>
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+#include <pca953x.h>
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+#include <asm/arch-tegra/cboot.h>
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+#include <asm/arch/gpio.h>
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+#include <asm/arch/pinmux.h>
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+#include "../p2571/max77620_init.h"
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+
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+void pin_mux_mmc(void)
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+{
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+ struct udevice *dev;
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+ uchar val;
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+ int ret;
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+
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+ /* Turn on MAX77620 LDO2 to 3.3V for SD card power */
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+ debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
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+ ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
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+ if (ret) {
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+ printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
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+ return;
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+ }
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+ /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
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+ val = 0xF2;
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+ ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
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+ if (ret)
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+ printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
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+
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+ /* Disable LDO4 discharge */
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+ ret = dm_i2c_read(dev, MAX77620_CNFG2_L4_REG, &val, 1);
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+ if (ret) {
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+ printf("i2c_read 0 0x3c 0x2c failed: %d\n", ret);
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+ } else {
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+ val &= ~BIT(1); /* ADE */
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+ ret = dm_i2c_write(dev, MAX77620_CNFG2_L4_REG, &val, 1);
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+ if (ret)
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+ printf("i2c_write 0 0x3c 0x2c failed: %d\n", ret);
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+ }
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+
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+ /* Set MBLPD */
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+ ret = dm_i2c_read(dev, MAX77620_CNFGGLBL1_REG, &val, 1);
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+ if (ret) {
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+ printf("i2c_write 0 0x3c 0x00 failed: %d\n", ret);
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+ } else {
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+ val |= BIT(6); /* MBLPD */
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+ ret = dm_i2c_write(dev, MAX77620_CNFGGLBL1_REG, &val, 1);
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+ if (ret)
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+ printf("i2c_write 0 0x3c 0x00 failed: %d\n", ret);
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+ }
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+}
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+
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+#ifdef CONFIG_PCI_TEGRA
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+int tegra_pcie_board_init(void)
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+{
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+ struct udevice *dev;
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+ uchar val;
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+ int ret;
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+
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+ /* Turn on MAX77620 LDO1 to 1.05V for PEX power */
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+ debug("%s: Set LDO1 for PEX power to 1.05V\n", __func__);
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+ ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
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+ if (ret) {
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+ printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
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+ return -1;
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+ }
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+ /* 0xCA for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
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+ val = 0xCA;
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+ ret = dm_i2c_write(dev, MAX77620_CNFG1_L1_REG, &val, 1);
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+ if (ret)
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+ printf("i2c_write 0 0x3c 0x25 failed: %d\n", ret);
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+
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+ return 0;
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+}
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+#endif /* PCI */
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+
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+static void ft_mac_address_setup(void *fdt)
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+{
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+ const void *cboot_fdt = (const void *)cboot_boot_x0;
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+ uint8_t mac[ETH_ALEN], local_mac[ETH_ALEN];
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+ const char *path;
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+ int offset, err;
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+
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+ err = cboot_get_ethaddr(cboot_fdt, local_mac);
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+ if (err < 0)
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+ memset(local_mac, 0, ETH_ALEN);
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+
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+ path = fdt_get_alias(fdt, "ethernet");
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+ if (!path)
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+ return;
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+
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+ debug("ethernet alias found: %s\n", path);
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+
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+ offset = fdt_path_offset(fdt, path);
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+ if (offset < 0) {
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+ printf("ethernet alias points to absent node %s\n", path);
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+ return;
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+ }
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+
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+ if (is_valid_ethaddr(local_mac)) {
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+ err = fdt_setprop(fdt, offset, "local-mac-address", local_mac,
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+ ETH_ALEN);
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+ if (!err)
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+ debug("Local MAC address set: %pM\n", local_mac);
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+ }
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+
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+ if (eth_env_get_enetaddr("ethaddr", mac)) {
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+ if (memcmp(local_mac, mac, ETH_ALEN) != 0) {
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+ err = fdt_setprop(fdt, offset, "mac-address", mac,
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+ ETH_ALEN);
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+ if (!err)
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+ debug("MAC address set: %pM\n", mac);
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+ }
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+ }
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+}
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+
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+static int ft_copy_carveout(void *dst, const void *src, const char *node)
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+{
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+ struct fdt_memory fb;
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+ int err;
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+
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+ err = fdtdec_get_carveout(src, node, "memory-region", 0, &fb);
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+ if (err < 0) {
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+ if (err != -FDT_ERR_NOTFOUND)
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+ printf("failed to get carveout for %s: %d\n", node,
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+ err);
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+
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+ return err;
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+ }
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+
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+ err = fdtdec_set_carveout(dst, node, "memory-region", 0, "framebuffer",
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+ &fb);
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+ if (err < 0) {
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+ printf("failed to set carveout for %s: %d\n", node, err);
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+ return err;
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+ }
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+
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+ return 0;
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+}
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+
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+static void ft_carveout_setup(void *fdt)
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+{
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+ const void *cboot_fdt = (const void *)cboot_boot_x0;
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+ static const char * const nodes[] = {
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+ "/host1x@50000000/dc@54200000",
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+ "/host1x@50000000/dc@54240000",
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+ };
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+ unsigned int i;
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+ int err;
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+
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+ for (i = 0; i < ARRAY_SIZE(nodes); i++) {
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+ printf("copying carveout for %s...\n", nodes[i]);
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+
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+ err = ft_copy_carveout(fdt, cboot_fdt, nodes[i]);
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+ if (err < 0) {
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+ if (err != -FDT_ERR_NOTFOUND)
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+ printf("failed to copy carveout for %s: %d\n",
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+ nodes[i], err);
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+
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+ continue;
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+ }
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+ }
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+}
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+
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+int ft_board_setup(void *fdt, bd_t *bd)
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+{
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+ ft_mac_address_setup(fdt);
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+ ft_carveout_setup(fdt);
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+
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+ return 0;
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+}
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