156 lines
3.5 KiB
C
156 lines
3.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2016, NVIDIA CORPORATION
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*/
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#include <common.h>
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#include <env.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 <asm/arch-tegra/cboot.h>
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#include "../p2571/max77620_init.h"
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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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/* Turn on MAX77620 LDO3 to 3.3V for SD card power */
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debug("%s: Set LDO3 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_L3_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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return;
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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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/* Turn on MAX77620 LDO7 to 1.05V for PEX power */
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debug("%s: Set LDO7 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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/* 0xC5 for 1.05v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
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val = 0xC5;
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ret = dm_i2c_write(dev, MAX77620_CNFG1_L7_REG, &val, 1);
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if (ret)
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printf("i2c_write 0 0x3c 0x31 failed: %d\n", ret);
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return 0;
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}
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#endif
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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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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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path = fdt_get_alias(fdt, "ethernet");
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if (!path)
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return;
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debug("ethernet alias found: %s\n", path);
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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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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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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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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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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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return err;
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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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return 0;
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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@13e00000/display-hub@15200000/display@15200000",
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"/host1x@13e00000/display-hub@15200000/display@15210000",
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"/host1x@13e00000/display-hub@15200000/display@15220000",
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};
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unsigned int i;
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int err;
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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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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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continue;
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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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return 0;
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}
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