Merge branch 'master' of git://git.denx.de/u-boot-spi
[oweals/u-boot.git] / board / ge / bx50v3 / bx50v3.c
index 2fc1144cdae17170193e69251dd39aa24e918330..b2d065c1b801244e01216ff637032390718dc3cd 100644 (file)
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2015 Timesys Corporation
  * Copyright 2015 General Electric Company
  * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <asm/arch/clock.h>
 #include <asm/arch/mx6-pins.h>
 #include <linux/errno.h>
 #include <asm/gpio.h>
-#include <asm/imx-common/mxc_i2c.h>
-#include <asm/imx-common/iomux-v3.h>
-#include <asm/imx-common/boot_mode.h>
-#include <asm/imx-common/video.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <asm/mach-imx/video.h>
 #include <mmc.h>
 #include <fsl_esdhc.h>
 #include <miiphy.h>
+#include <net.h>
 #include <netdev.h>
 #include <asm/arch/mxc_hdmi.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/io.h>
 #include <asm/arch/sys_proto.h>
 #include <i2c.h>
+#include <input.h>
 #include <pwm.h>
+#include <stdlib.h>
+#include "../common/ge_common.h"
+#include "../common/vpd_reader.h"
+#include "../../../drivers/net/e1000.h"
 DECLARE_GLOBAL_DATA_PTR;
 
+struct vpd_cache;
+
+static int confidx = 3;  /* Default to b850v3. */
+static struct vpd_cache vpd;
+
+#ifndef CONFIG_SYS_I2C_EEPROM_ADDR
+# define CONFIG_SYS_I2C_EEPROM_ADDR     0x50
+# define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
+#endif
+
+#ifndef CONFIG_SYS_I2C_EEPROM_BUS
+#define CONFIG_SYS_I2C_EEPROM_BUS       4
+#endif
+
 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP |     \
        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
        PAD_CTL_HYS)
@@ -103,8 +122,9 @@ static void setup_iomux_enet(void)
 
        /* Reset AR8033 PHY */
        gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
-       udelay(500);
+       mdelay(10);
        gpio_set_value(IMX_GPIO_NR(1, 28), 1);
+       mdelay(1);
 }
 
 static iomux_v3_cfg_t const usdhc2_pads[] = {
@@ -306,7 +326,8 @@ static int mx6_rgmii_rework(struct phy_device *phydev)
        /* set debug port address: SerDes Test and System Mode Control */
        phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
        /* enable rgmii tx clock delay */
-       phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
+       /* set the reserved bits to avoid board specific voltage peak issue*/
+       phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
 
        return 0;
 }
@@ -345,20 +366,21 @@ int board_cfb_skip(void)
        return 0;
 }
 
-static int detect_baseboard(struct display_info_t const *dev)
+static int is_b850v3(void)
 {
-       if (IS_ENABLED(CONFIG_TARGET_GE_B450V3) ||
-           IS_ENABLED(CONFIG_TARGET_GE_B650V3))
-               return 1;
+       return confidx == 3;
+}
 
-       return 0;
+static int detect_lcd(struct display_info_t const *dev)
+{
+       return !is_b850v3();
 }
 
 struct display_info_t const displays[] = {{
        .bus    = -1,
        .addr   = -1,
        .pixfmt = IPU_PIX_FMT_RGB24,
-       .detect = detect_baseboard,
+       .detect = detect_lcd,
        .enable = NULL,
        .mode   = {
                .name           = "G121X1-L03",
@@ -476,6 +498,8 @@ static void setup_display_bx50v3(void)
        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 
+       enable_videopll();
+
        /* When a reset/reboot is performed the display power needs to be turned
         * off for atleast 500ms. The boot time is ~300ms, we need to wait for
         * an additional 200ms here. Unfortunately we use external PMIC for
@@ -526,11 +550,115 @@ int overwrite_console(void)
        return 1;
 }
 
+#define VPD_TYPE_INVALID 0x00
+#define VPD_BLOCK_NETWORK 0x20
+#define VPD_BLOCK_HWID 0x44
+#define VPD_PRODUCT_B850 1
+#define VPD_PRODUCT_B650 2
+#define VPD_PRODUCT_B450 3
+#define VPD_HAS_MAC1 0x1
+#define VPD_HAS_MAC2 0x2
+#define VPD_MAC_ADDRESS_LENGTH 6
+
+struct vpd_cache {
+       u8 product_id;
+       u8 has;
+       unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
+       unsigned char mac2[VPD_MAC_ADDRESS_LENGTH];
+};
+
+/*
+ * Extracts MAC and product information from the VPD.
+ */
+static int vpd_callback(void *userdata, u8 id, u8 version, u8 type,
+                       size_t size, u8 const *data)
+{
+       struct vpd_cache *vpd = (struct vpd_cache *)userdata;
+
+       if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
+           size >= 1) {
+               vpd->product_id = data[0];
+       } else if (id == VPD_BLOCK_NETWORK && version == 1 &&
+                  type != VPD_TYPE_INVALID) {
+               if (size >= 6) {
+                       vpd->has |= VPD_HAS_MAC1;
+                       memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
+               }
+               if (size >= 12) {
+                       vpd->has |= VPD_HAS_MAC2;
+                       memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH);
+               }
+       }
+
+       return 0;
+}
+
+static void process_vpd(struct vpd_cache *vpd)
+{
+       int fec_index = -1;
+       int i210_index = -1;
+
+       switch (vpd->product_id) {
+       case VPD_PRODUCT_B450:
+               env_set("confidx", "1");
+               i210_index = 0;
+               fec_index = 1;
+               break;
+       case VPD_PRODUCT_B650:
+               env_set("confidx", "2");
+               i210_index = 0;
+               fec_index = 1;
+               break;
+       case VPD_PRODUCT_B850:
+               env_set("confidx", "3");
+               i210_index = 1;
+               fec_index = 2;
+               break;
+       }
+
+       if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
+               eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1);
+
+       if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2))
+               eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2);
+}
+
+static int read_vpd(uint eeprom_bus)
+{
+       int res;
+       int size = 1024;
+       uint8_t *data;
+       unsigned int current_i2c_bus = i2c_get_bus_num();
+
+       res = i2c_set_bus_num(eeprom_bus);
+       if (res < 0)
+               return res;
+
+       data = (uint8_t *)malloc(size);
+       if (!data)
+               return -ENOMEM;
+
+       res = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
+                       CONFIG_SYS_I2C_EEPROM_ADDR_LEN, data, size);
+
+       if (res == 0) {
+               memset(&vpd, 0, sizeof(vpd));
+               vpd_reader(size, data, &vpd, vpd_callback);
+       }
+
+       free(data);
+
+       i2c_set_bus_num(current_i2c_bus);
+       return res;
+}
+
 int board_eth_init(bd_t *bis)
 {
        setup_iomux_enet();
        setup_pcie();
 
+       e1000_initialize(bis);
+
        return cpu_eth_init(bis);
 }
 
@@ -542,6 +670,7 @@ static iomux_v3_cfg_t const misc_pads[] = {
        MX6_PAD_EIM_OE__GPIO2_IO25      | MUX_PAD_CTRL(NC_PAD_CTRL),
        MX6_PAD_EIM_BCLK__GPIO6_IO31    | MUX_PAD_CTRL(NC_PAD_CTRL),
        MX6_PAD_GPIO_1__GPIO1_IO01      | MUX_PAD_CTRL(NC_PAD_CTRL),
+       MX6_PAD_GPIO_9__WDOG1_B         | MUX_PAD_CTRL(NC_PAD_CTRL),
 };
 #define SUS_S3_OUT     IMX_GPIO_NR(4, 11)
 #define WIFI_EN        IMX_GPIO_NR(6, 14)
@@ -554,7 +683,7 @@ int board_early_init_f(void)
        setup_iomux_uart();
 
 #if defined(CONFIG_VIDEO_IPUV3)
-       if (IS_ENABLED(CONFIG_TARGET_GE_B850V3))
+       if (is_b850v3())
                /* Set LDB clock to Video PLL */
                select_ldb_di_clock_source(MXC_PLL5_CLK);
        else
@@ -564,12 +693,35 @@ int board_early_init_f(void)
        return 0;
 }
 
+static void set_confidx(const struct vpd_cache* vpd)
+{
+       switch (vpd->product_id) {
+       case VPD_PRODUCT_B450:
+               confidx = 1;
+               break;
+       case VPD_PRODUCT_B650:
+               confidx = 2;
+               break;
+       case VPD_PRODUCT_B850:
+               confidx = 3;
+               break;
+       }
+}
+
 int board_init(void)
 {
+       setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+       setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+       setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
+
+       read_vpd(CONFIG_SYS_I2C_EEPROM_BUS);
+
+       set_confidx(&vpd);
+
        gpio_direction_output(SUS_S3_OUT, 1);
        gpio_direction_output(WIFI_EN, 1);
 #if defined(CONFIG_VIDEO_IPUV3)
-       if (IS_ENABLED(CONFIG_TARGET_GE_B850V3))
+       if (is_b850v3())
                setup_display_b850v3();
        else
                setup_display_bx50v3();
@@ -580,10 +732,6 @@ int board_init(void)
 #ifdef CONFIG_MXC_SPI
        setup_spi();
 #endif
-       setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
-       setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
-       setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
-
        return 0;
 }
 
@@ -649,10 +797,58 @@ void pmic_init(void)
 
 int board_late_init(void)
 {
+       process_vpd(&vpd);
+
 #ifdef CONFIG_CMD_BMODE
        add_board_boot_modes(board_boot_modes);
 #endif
 
+       if (is_b850v3())
+               env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60");
+
+       /* board specific pmic init */
+       pmic_init();
+
+       check_time();
+
+       return 0;
+}
+
+/*
+ * Removes the 'eth[0-9]*addr' environment variable with the given index
+ *
+ * @param index [in] the index of the eth_device whose variable is to be removed
+ */
+static void remove_ethaddr_env_var(int index)
+{
+       char env_var_name[9];
+
+       sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
+       env_set(env_var_name, NULL);
+}
+
+int last_stage_init(void)
+{
+       int i;
+
+       /*
+        * Remove first three ethaddr which may have been created by
+        * function process_vpd().
+        */
+       for (i = 0; i < 3; ++i)
+               remove_ethaddr_env_var(i);
+
+       return 0;
+}
+
+int checkboard(void)
+{
+       printf("BOARD: %s\n", CONFIG_BOARD_NAME);
+       return 0;
+}
+
+static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
 #ifdef CONFIG_VIDEO_IPUV3
        /* We need at least 200ms between power on and backlight on
         * as per specifications from CHI MEI */
@@ -670,14 +866,11 @@ int board_late_init(void)
        pwm_enable(0);
 #endif
 
-       /* board specific pmic init */
-       pmic_init();
-
        return 0;
 }
 
-int checkboard(void)
-{
-       printf("BOARD: %s\n", CONFIG_BOARD_NAME);
-       return 0;
-}
+U_BOOT_CMD(
+       bx50_backlight_enable, 1,      1,      do_backlight_enable,
+       "enable Bx50 backlight",
+       ""
+);