colibri_t20: change maintainer

[oweals/u-boot.git] / board / toradex / colibri_t20 / colibri_t20.c

diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
index 8ae9ccf538488dfc2a16570bee81654b2304cb96..cb0aed872fcdcf57f769199471c4a180949813ad 100644 (file)
--- a/board/toradex/colibri_t20/colibri_t20.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -1,17 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  *  Copyright (C) 2012 Lucas Stach
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
+#include <init.h>
+#include <log.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
+#include <asm/arch-tegra/ap.h>
 #include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/tegra.h>
 #include <asm/gpio.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include <nand.h>
+#include <linux/delay.h>
+#include "../common/tdx-common.h"
 
-#ifdef CONFIG_TEGRA_MMC
+DECLARE_GLOBAL_DATA_PTR;
+
+#define PMU_I2C_ADDRESS                0x34
+#define MAX_I2C_RETRY          3
+#define PMU_SUPPLYENE          0x14
+#define PMU_SUPPLYENE_SYSINEN  (1<<5)
+#define PMU_SUPPLYENE_EXITSLREQ        (1<<1)
+
+int arch_misc_init(void)
+{
+       /* Disable PMIC sleep mode on low supply voltage */
+       struct udevice *dev;
+       u8 addr, data[1];
+       int err;
+
+       err = i2c_get_chip_for_busnum(0, PMU_I2C_ADDRESS, 1, &dev);
+       if (err) {
+               debug("%s: Cannot find PMIC I2C chip\n", __func__);
+               return err;
+       }
+
+       addr = PMU_SUPPLYENE;
+
+       err = dm_i2c_read(dev, addr, data, 1);
+       if (err) {
+               debug("failed to get PMU_SUPPLYENE\n");
+               return err;
+       }
+
+       data[0] &= ~PMU_SUPPLYENE_SYSINEN;
+       data[0] |= PMU_SUPPLYENE_EXITSLREQ;
+
+       err = dm_i2c_write(dev, addr, data, 1);
+       if (err) {
+               debug("failed to set PMU_SUPPLYENE\n");
+               return err;
+       }
+
+       /* make sure SODIMM pin 87 nRESET_OUT is released properly */
+       pinmux_set_func(PMUX_PINGRP_ATA, PMUX_FUNC_GMI);
+
+       if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
+           NVBOOTTYPE_RECOVERY)
+               printf("USB recovery mode\n");
+
+       return 0;
+}
+
+int checkboard(void)
+{
+       printf("Model: Toradex Colibri T20 %dMB V%s\n",
+              (gd->ram_size == 0x10000000) ? 256 : 512,
+              (get_nand_dev_by_index(0)->erasesize >> 10 == 512) ?
+              ((gd->ram_size == 0x10000000) ? "1.1B" : "1.1C") : "1.2A");
+
+       return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, bd_t *bd)
+{
+       return ft_common_board_setup(blob, bd);
+}
+#endif
+
+#ifdef CONFIG_MMC_SDHCI_TEGRA
 /*
  * Routine: pin_mux_mmc
  * Description: setup the pin muxes/tristate values for the SDMMC(s)
@@ -53,13 +126,40 @@ void pin_mux_usb(void)
        pinmux_tristate_disable(PMUX_PINGRP_DTE);
 
        /* Reset ASIX using LAN_RESET */
-       gpio_request(GPIO_PV4, "LAN_RESET");
-       gpio_direction_output(GPIO_PV4, 0);
+       gpio_request(TEGRA_GPIO(V, 4), "LAN_RESET");
+       gpio_direction_output(TEGRA_GPIO(V, 4), 0);
        pinmux_tristate_disable(PMUX_PINGRP_GPV);
        udelay(5);
-       gpio_set_value(GPIO_PV4, 1);
+       gpio_set_value(TEGRA_GPIO(V, 4), 1);
 
        /* USBH_PEN: USB 1 aka Tegra USB port 3 VBus */
        pinmux_tristate_disable(PMUX_PINGRP_SPIG);
 }
 #endif
+
+#ifdef CONFIG_VIDEO_TEGRA20
+/*
+ * Routine: pin_mux_display
+ * Description: setup the pin muxes/tristate values for the LCD interface)
+ */
+void pin_mux_display(void)
+{
+       /*
+        * Manually untristate BL_ON (PT4 - SODIMM 71) as specified through
+        * device-tree
+        */
+       pinmux_tristate_disable(PMUX_PINGRP_DTA);
+
+       pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_PWM);
+       pinmux_tristate_disable(PMUX_PINGRP_SDC);
+}
+
+/*
+ * Backlight off before OS handover
+ */
+void board_preboot_os(void)
+{
+       gpio_request(TEGRA_GPIO(T, 4), "BL_ON");
+       gpio_direction_output(TEGRA_GPIO(T, 4), 0);
+}
+#endif