Merge https://gitlab.denx.de/u-boot/custodians/u-boot-usb

[oweals/u-boot.git] / board / nvidia / p2771-0000 / p2771-0000.c

diff --git a/board/nvidia/p2771-0000/p2771-0000.c b/board/nvidia/p2771-0000/p2771-0000.c
index 4ba8ebc0dce87232c951fcfac0632be9866e2821..3f0e594b9c88e83186b70b68fd1465d07d09486b 100644 (file)
--- a/board/nvidia/p2771-0000/p2771-0000.c
+++ b/board/nvidia/p2771-0000/p2771-0000.c
@@ -1,7 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2016, NVIDIA CORPORATION
- *
- * SPDX-License-Identifier: GPL-2.0
  */
 
 #include <common.h>
+#include <env.h>
+#include <fdtdec.h>
+#include <i2c.h>
+#include <log.h>
+#include <net.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;
+}