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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright (c) 2016, NVIDIA CORPORATION
- */
- #include <common.h>
- #include <env.h>
- #include <fdtdec.h>
- #include <i2c.h>
- #include <linux/libfdt.h>
- #include <asm/arch-tegra/cboot.h>
- #include "../p2571/max77620_init.h"
- void pin_mux_mmc(void)
- {
- struct udevice *dev;
- uchar val;
- int ret;
- /* Turn on MAX77620 LDO3 to 3.3V for SD card power */
- debug("%s: Set LDO3 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_L3_REG, &val, 1);
- if (ret) {
- printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
- return;
- }
- }
- #ifdef CONFIG_PCI_TEGRA
- int tegra_pcie_board_init(void)
- {
- struct udevice *dev;
- uchar val;
- int ret;
- /* Turn on MAX77620 LDO7 to 1.05V for PEX power */
- debug("%s: Set LDO7 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;
- }
- /* 0xC5 for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
- val = 0xC5;
- ret = dm_i2c_write(dev, MAX77620_CNFG1_L7_REG, &val, 1);
- if (ret)
- printf("i2c_write 0 0x3c 0x31 failed: %d\n", ret);
- return 0;
- }
- #endif
- 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@13e00000/display-hub@15200000/display@15200000",
- "/host1x@13e00000/display-hub@15200000/display@15210000",
- "/host1x@13e00000/display-hub@15200000/display@15220000",
- };
- 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;
- }
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