Signed-off-by: Oleksij Rempel <[email protected]>
---
 arch/arm/boards/protonic-imx6/Makefile |   1 +
 arch/arm/boards/protonic-imx6/board.c  | 996 +++++++++++++++++++++++++
 2 files changed, 997 insertions(+)
 create mode 100644 arch/arm/boards/protonic-imx6/board.c

diff --git a/arch/arm/boards/protonic-imx6/Makefile 
b/arch/arm/boards/protonic-imx6/Makefile
index b08c4a93ca..01c7a259e9 100644
--- a/arch/arm/boards/protonic-imx6/Makefile
+++ b/arch/arm/boards/protonic-imx6/Makefile
@@ -1 +1,2 @@
+obj-y += board.o
 lwl-y += lowlevel.o
diff --git a/arch/arm/boards/protonic-imx6/board.c 
b/arch/arm/boards/protonic-imx6/board.c
new file mode 100644
index 0000000000..a28b7eb3b6
--- /dev/null
+++ b/arch/arm/boards/protonic-imx6/board.c
@@ -0,0 +1,996 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: 2012 Steffen Trumtrar, Pengutronix
+// SPDX-FileCopyrightText: 2014 Protonic Holland
+// SPDX-FileCopyrightText: 2020 Oleksij Rempel, Pengutronix
+
+#include <bbu.h>
+#include <common.h>
+#include <environment.h>
+#include <gpio.h>
+#include <mach/bbu.h>
+#include <mach/imx6.h>
+#include <of_device.h>
+
+#include <usb/usb.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <net.h>
+#include <i2c/i2c.h>
+
+#define GPIO_HW_REV_ID  {\
+       {IMX_GPIO_NR(2, 8), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "rev_id0"}, \
+       {IMX_GPIO_NR(2, 9), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "rev_id1"}, \
+       {IMX_GPIO_NR(2, 10), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "rev_id2"} \
+}
+
+#define GPIO_HW_TYPE_ID  {\
+       {IMX_GPIO_NR(2, 11), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "hw_id0"}, \
+       {IMX_GPIO_NR(2, 12), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "hw_id1"}, \
+       {IMX_GPIO_NR(2, 13), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "hw_id2"}, \
+       {IMX_GPIO_NR(2, 14), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "hw_id3"}, \
+       {IMX_GPIO_NR(2, 15), GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, "hw_id4"} \
+}
+
+enum {
+       HW_TYPE_PRTI6Q = 0,
+       HW_TYPE_PRTWD2 = 1,
+       HW_TYPE_ALTI6S = 2,
+       HW_TYPE_VICUT1 = 4,
+       HW_TYPE_ALTI6P = 6,
+       HW_TYPE_PRTMVT = 8,
+       HW_TYPE_PRTI6G = 10,
+       HW_TYPE_PRTRVT = 12,
+       HW_TYPE_VICUT2 = 16,
+       HW_TYPE_PLYM2M = 20,
+       HW_TYPE_PRTVT7 = 22,
+       HW_TYPE_LANMCU = 23,
+       HW_TYPE_PLYBAS = 24,
+       HW_TYPE_VICTGO = 28,
+};
+
+enum prt_imx6_kvg_pw_mode {
+       PW_MODE_KVG_WITH_YACO = 0,
+       PW_MODE_KVG_NEW = 1,
+       PW_MODE_KUBOTA = 2,
+};
+
+/* board specific flags */
+#define PRT_IMX6_BOOTCHOOSER           BIT(3)
+#define PRT_IMX6_USB_LONG_DELAY                BIT(2)
+#define PRT_IMX6_BOOTSRC_EMMC          BIT(1)
+#define PRT_IMX6_BOOTSRC_SPI_NOR       BIT(0)
+
+static struct prt_imx6_priv *prt_priv;
+struct prt_machine_data {
+       unsigned int hw_id;
+       unsigned int hw_rev;
+       unsigned int i2c_addr;
+       unsigned int i2c_adapter;
+       unsigned int flags;
+       int (*init)(struct prt_imx6_priv *priv);
+};
+
+struct prt_imx6_priv {
+       struct device_d *dev;
+       const struct prt_machine_data *dcfg;
+       unsigned int hw_id;
+       unsigned int hw_rev;
+       const char *name;
+       struct poller_async poller;
+       unsigned int usb_delay;
+};
+
+struct prti6q_rfid_contents {
+       u8 mac[6];
+       char serial[10];
+       u8 cs;
+} __attribute__ ((packed));
+
+#define GPIO_DIP1_FB   IMX_GPIO_NR(4, 18)
+#define GPIO_FORCE_ON1 IMX_GPIO_NR(2, 30)
+#define GPIO_ON1_CTRL  IMX_GPIO_NR(4, 21)
+#define GPIO_ON2_CTRL  IMX_GPIO_NR(4, 22)
+
+static const struct gpio prt_imx6_kvg_gpios[] = {
+       {
+               .gpio = GPIO_DIP1_FB,
+               .flags = GPIOF_IN,
+               .label = "DIP1_FB",
+       },
+       {
+               .gpio = GPIO_FORCE_ON1,
+               .flags = GPIOF_OUT_INIT_HIGH,
+               .label = "FORCE_ON1",
+       },
+       {
+               .gpio = GPIO_ON1_CTRL,
+               .flags = GPIOF_IN,
+               .label = "ON1_CTRL",
+       },
+       {
+               .gpio = GPIO_ON2_CTRL,
+               .flags = GPIOF_IN,
+               .label = "ON2_CTRL",
+       },
+};
+
+static int prt_imx6_read_rfid(struct prt_imx6_priv *priv, void *buf,
+                             size_t size)
+{
+       const struct prt_machine_data *dcfg = priv->dcfg;
+       struct device_d *dev = priv->dev;
+       struct i2c_client cl;
+       int ret;
+
+       cl.addr = dcfg->i2c_addr;
+       cl.adapter = i2c_get_adapter(dcfg->i2c_adapter);
+       if (!cl.adapter) {
+               dev_err(dev, "i2c bus not found\n");
+               return -ENODEV;
+       }
+
+       /* 0x6000 user storage in the RFID tag */
+       ret = i2c_read_reg(&cl, 0x6000 | I2C_ADDR_16_BIT, buf, size);
+       if (ret < 0) {
+               dev_err(dev, "Filed to read the RFID: %i\n", ret);
+               return ret;
+       }
+
+       return 0;
+}
+
+static u8 prt_imx6_calc_rfid_cs(void *buf, size_t size)
+{
+       unsigned int cs = 0;
+       u8 *dat = buf;
+       int t;
+
+       for (t = 0; t < size - 1; t++) {
+               cs += dat[t];
+       }
+
+       cs ^= 0xff;
+
+       return cs & 0xff;
+
+}
+
+static int prt_imx6_set_mac(struct prt_imx6_priv *priv,
+                           struct prti6q_rfid_contents *rfid)
+{
+       struct device_d *dev = priv->dev;
+       struct device_node *node;
+
+       node = of_find_node_by_alias(of_get_root_node(), "ethernet0");
+       if (!node) {
+               dev_err(dev, "Cannot find FEC!\n");
+               return -ENODEV;
+       }
+
+       if (!is_valid_ether_addr(&rfid->mac[0])) {
+               dev_err(dev, "bad MAC addr\n");
+               return -EILSEQ;
+       }
+
+       of_eth_register_ethaddr(node, &rfid->mac[0]);
+
+       return 0;
+}
+
+static int prt_of_fixup_serial(struct device_node *dstroot, void *arg)
+{
+       struct device_node *srcroot = arg;
+       const char *ser;
+       int len;
+
+       ser = of_get_property(srcroot, "serial-number", &len);
+       return of_set_property(dstroot, "serial-number", ser, len, 1);
+}
+
+static void prt_oftree_fixup_serial(const char *serial)
+{
+       struct device_node *root = of_get_root_node();
+
+       of_set_property(root, "serial-number", serial, strlen(serial) + 1, 1);
+       of_register_fixup(prt_of_fixup_serial, root);
+}
+
+static int prt_imx6_set_serial(struct prt_imx6_priv *priv,
+                              struct prti6q_rfid_contents *rfid)
+{
+       rfid->serial[9] = 0; /* Failsafe */
+       dev_info(priv->dev, "Serial number: %s\n", rfid->serial);
+       prt_oftree_fixup_serial(rfid->serial);
+
+       return 0;
+}
+
+static int prt_imx6_read_i2c_mac_serial(struct prt_imx6_priv *priv)
+{
+       struct device_d *dev = priv->dev;
+       struct prti6q_rfid_contents rfid;
+       int ret;
+
+       ret = prt_imx6_read_rfid(priv, &rfid, sizeof(rfid));
+       if (ret)
+               return ret;
+
+       if (rfid.cs != prt_imx6_calc_rfid_cs(&rfid, sizeof(rfid))) {
+               dev_err(dev, "RFID: bad checksum!\n");
+               return -EBADMSG;
+       }
+
+       ret = prt_imx6_set_mac(priv, &rfid);
+       if (ret)
+               return ret;
+
+       ret = prt_imx6_set_serial(priv, &rfid);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+#define OTG_PORTSC1 (MX6_OTG_BASE_ADDR+0x184)
+
+static void prt_imx6_check_usb_boot(void *data)
+{
+       struct prt_imx6_priv *priv = data;
+       struct device_d *dev = priv->dev;
+       char *second_word, *bootsrc, *usbdisk;
+       unsigned int v;
+       ssize_t size;
+       char buf[16];
+       int fd, ret;
+
+       v = *((unsigned int *)OTG_PORTSC1);
+       if ((v & 0x0c00) == 0) /* LS == SE0 ==> nothing connected */
+               return;
+
+       usb_rescan();
+
+       ret = mkdir("/usb", 0);
+       if (ret) {
+               dev_err(dev, "Cannot mkdir /usb\n");
+               goto exit_usb_boot;
+       }
+
+       ret = mount("/dev/disk0.0", NULL, "usb", NULL);
+       if (ret) {
+               dev_warn(dev, "Filed to mount USB Disk partition with error 
(%i), trying bare device\n", ret);
+
+               ret = mount("/dev/disk0", NULL, "usb", NULL);
+               if (ret) {
+                       dev_err(dev, "USB mount failed!\n");
+                       goto exit_usb_boot;
+               }
+               usbdisk = "disk0";
+       } else {
+               usbdisk = "disk0.0";
+       }
+
+       fd = open("/usb/boot_target", O_RDONLY);
+       if (fd < 0) {
+               dev_err(dev, "Can't open /usb/boot_target file\n");
+               ret = fd;
+               goto exit_usb_boot;
+       }
+
+       size = read(fd, buf, sizeof(buf));
+       close(fd);
+       if (size < 0) {
+               ret = size;
+               goto exit_usb_boot;
+       }
+
+       /* length of "vicut1 usb", the shortest possible target */
+       if (size < sizeof("vicut1 usb")) {
+               dev_err(dev, "Invalid boot target file!\n");
+               ret = -EINVAL;
+               goto exit_usb_boot;
+       }
+
+       if (strncmp(buf, priv->name, 6) && strncmp(buf, "prti6qp ", 8)) {
+               dev_err(dev, "Boot target for a different board! (%s %s)\n",
+                       buf, priv->name);
+               ret = -EINVAL;
+               goto exit_usb_boot;
+       }
+
+       second_word = strchr(buf, 32);
+       second_word++;
+
+       if (strncmp(second_word, "usb", 3) == 0) {
+               bootsrc = usbdisk;
+       } else if (strncmp(second_word, "recovery", 8) == 0) {
+               bootsrc = "recovery";
+       } else {
+               dev_err(dev, "Unknown boot target!\n");
+               ret = -ENODEV;
+               goto exit_usb_boot;
+       }
+
+       ret = setenv("global.boot.default", bootsrc);
+       if (ret)
+               goto exit_usb_boot;
+
+       return;
+
+exit_usb_boot:
+       dev_err(dev, "Failed to run usb boot: %i\n", ret);
+
+       return;
+}
+
+static int prt_imx6_env_init(struct prt_imx6_priv *priv)
+{
+       const struct prt_machine_data *dcfg = priv->dcfg;
+       struct device_d *dev = priv->dev;
+       char *delay, *bootsrc;
+       int ret;
+
+       ret = setenv("global.linux.bootargs.base", "consoleblank=0 
vt.color=0x00");
+       if (ret)
+               goto exit_env_init;
+
+       if (dcfg->flags & PRT_IMX6_USB_LONG_DELAY)
+               priv->usb_delay = 4;
+       else
+               priv->usb_delay = 1;
+
+       /* the usb_delay value is used for poller_call_async() */
+       delay = basprintf("%d", priv->usb_delay);
+       ret = setenv("global.autoboot_timeout", delay);
+       if (ret)
+               goto exit_env_init;
+
+       if (dcfg->flags & PRT_IMX6_BOOTCHOOSER)
+               bootsrc = "bootchooser";
+       else
+               bootsrc = "mmc2";
+
+       ret = setenv("global.boot.default", bootsrc);
+       if (ret)
+               goto exit_env_init;
+
+       dev_info(dev, "Board specific env init is done\n");
+       return 0;
+
+exit_env_init:
+       dev_err(dev, "Failed to set env: %i\n", ret);
+
+       return ret;
+}
+
+static int prt_imx6_bbu(struct prt_imx6_priv *priv)
+{
+       const struct prt_machine_data *dcfg = priv->dcfg;
+       u32 emmc_flags = 0;
+       int ret;
+
+       if (dcfg->flags & PRT_IMX6_BOOTSRC_SPI_NOR) {
+               ret = imx6_bbu_internal_spi_i2c_register_handler("SPI", 
"/dev/m25p0.barebox",
+                                                        
BBU_HANDLER_FLAG_DEFAULT);
+               if (ret)
+                       goto exit_bbu;
+       } else {
+               emmc_flags = BBU_HANDLER_FLAG_DEFAULT;
+       }
+
+       ret = imx6_bbu_internal_mmcboot_register_handler("eMMC", "/dev/mmc2",
+                                                  emmc_flags);
+       if (ret)
+               goto exit_bbu;
+
+       ret = imx6_bbu_internal_mmc_register_handler("SD", "/dev/mmc0", 0);
+       if (ret)
+               goto exit_bbu;
+
+       return 0;
+exit_bbu:
+       dev_err(priv->dev, "Failed to register bbu: %i\n", ret);
+       return ret;
+}
+
+static int prt_imx6_devices_init(void)
+{
+       struct prt_imx6_priv *priv = prt_priv;
+       int ret;
+
+       if (!priv)
+               return 0;
+
+       if (priv->dcfg->init)
+               priv->dcfg->init(priv);
+
+       prt_imx6_bbu(priv);
+
+       prt_imx6_read_i2c_mac_serial(priv);
+
+       prt_imx6_env_init(priv);
+
+       ret = poller_async_register(&priv->poller, "usb-boot");
+       if (ret) {
+               dev_err(priv->dev, "can't setup poller\n");
+               return ret;
+       }
+
+       poller_call_async(&priv->poller, priv->usb_delay * SECOND,
+                         &prt_imx6_check_usb_boot, priv);
+
+       return 0;
+}
+late_initcall(prt_imx6_devices_init);
+
+static int prt_imx6_init_kvg_set_ctrl(struct prt_imx6_priv *priv, bool val)
+{
+       int ret;
+
+       ret = gpio_direction_output(GPIO_ON1_CTRL, val);
+       if (ret)
+               return ret;
+
+       ret = gpio_direction_output(GPIO_ON2_CTRL, val);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+static int prt_imx6_yaco_set_kvg_power_mode(struct prt_imx6_priv *priv,
+                                           char *serial)
+{
+       static const char command[] = 
"{\"command\":\"mode\",\"value\":\"kvg\",\"on2\":true}";
+       struct device_d *dev = priv->dev;
+       struct console_device *yccon;
+       int ret;
+
+       yccon = of_console_get_by_alias(serial);
+       if (!yccon) {
+               dev_dbg(dev, "Cant find the %s node, try later\n", serial);
+               return -EPROBE_DEFER;
+       }
+
+       ret = console_set_baudrate(yccon, 115200);
+       if (ret)
+               goto exit_yaco_set_kvg_power_mode;
+
+       yccon->puts(yccon, command, sizeof(command));
+
+       dev_info(dev, "Send YaCO power init sequence to %s\n", serial);
+       return 0;
+
+exit_yaco_set_kvg_power_mode:
+       dev_err(dev, "Failed to set YaCO pw mode: %i", ret);
+
+       return ret;
+}
+
+static int prt_imx6_init_kvg_power(struct prt_imx6_priv *priv,
+                                  enum prt_imx6_kvg_pw_mode pw_mode)
+{
+       const char *mode;
+       int ret;
+
+       ret = gpio_request_array(prt_imx6_kvg_gpios,
+                                ARRAY_SIZE(prt_imx6_kvg_gpios));
+       if (ret)
+               goto exit_init_kvg_vicut;
+
+       mdelay(1);
+
+       if (!gpio_get_value(GPIO_DIP1_FB))
+               pw_mode = PW_MODE_KUBOTA;
+
+       switch (pw_mode) {
+       case PW_MODE_KVG_WITH_YACO:
+               mode = "KVG (with YaCO)";
+
+               /* GPIO_ON1_CTRL and GPIO_ON2_CTRL are N.C. on the SoC for
+                * older revisions */
+
+               /* Inform YaCO of power mode */
+               ret = prt_imx6_yaco_set_kvg_power_mode(priv, "serial0");
+               break;
+       case PW_MODE_KVG_NEW:
+               mode = "KVG (new)";
+
+               ret = prt_imx6_init_kvg_set_ctrl(priv, true);
+               if (ret)
+                       goto exit_init_kvg_vicut;
+               break;
+       case PW_MODE_KUBOTA:
+               mode = "Kubota";
+               ret = prt_imx6_init_kvg_set_ctrl(priv, false);
+               if (ret)
+                       goto exit_init_kvg_vicut;
+               break;
+       default:
+               ret = -ENODEV;
+               goto exit_init_kvg_vicut;
+       }
+
+       dev_info(priv->dev, "Power mode: %s\n", mode);
+
+       return 0;
+
+exit_init_kvg_vicut:
+       dev_err(priv->dev, "KvG power init failed: %i\n", ret);
+
+       return ret;
+}
+
+static int prt_imx6_init_victgo(struct prt_imx6_priv *priv)
+{
+       int ret = 0;
+
+       /* Bit 1 of HW-REV is pulled low by 2k2, but must be high on some
+        * revisions
+        */
+       if (priv->hw_rev & 2) {
+               ret = gpio_direction_output(IMX_GPIO_NR(2, 9), 1);
+               if (ret) {
+                       dev_err(priv->dev, "Failed to set gpio up\n");
+                       return ret;
+               }
+       }
+
+       return prt_imx6_init_kvg_power(priv, PW_MODE_KVG_NEW);
+}
+
+static int prt_imx6_init_kvg_new(struct prt_imx6_priv *priv)
+{
+       return prt_imx6_init_kvg_power(priv, PW_MODE_KVG_NEW);
+}
+
+static int prt_imx6_init_kvg_yaco(struct prt_imx6_priv *priv)
+{
+       return prt_imx6_init_kvg_power(priv, PW_MODE_KVG_WITH_YACO);
+}
+
+static int prt_imx6_rfid_fixup(struct prt_imx6_priv *priv,
+                              struct device_node *root)
+{
+       const struct prt_machine_data *dcfg = priv->dcfg;
+       struct device_node *node, *i2c_node;
+       char *eeprom_node_name, *alias;
+       int na, ns, len = 0;
+       int ret;
+       u8 *tmp;
+
+       alias = basprintf("i2c%d", dcfg->i2c_adapter);
+       if (!alias) {
+               ret = -ENOMEM;
+               goto exit_error;
+       }
+
+       i2c_node = of_find_node_by_alias(root, alias);
+       if (!i2c_node) {
+               dev_err(priv->dev, "Unsupported i2c adapter\n");
+               ret = -ENODEV;
+               goto free_alias;
+       }
+
+       eeprom_node_name = basprintf("/eeprom@%x", dcfg->i2c_addr);
+       if (!eeprom_node_name) {
+               ret = -ENOMEM;
+               goto free_alias;
+       }
+
+       node = of_create_node(i2c_node, eeprom_node_name);
+       if (!node) {
+               dev_err(priv->dev, "Failed to create node %s\n",
+                       eeprom_node_name);
+               ret = -ENOMEM;
+               goto free_eeprom;
+       }
+
+       ret = of_property_write_string(node, "compatible", "atmel,24c256");
+       if (ret)
+               goto free_eeprom;
+
+       na = of_n_addr_cells(node);
+       ns = of_n_size_cells(node);
+       tmp = xzalloc((na + ns) * 4);
+
+       of_write_number(tmp + len, dcfg->i2c_addr, na);
+       len += na * 4;
+       of_write_number(tmp + len, 0, ns);
+       len += ns * 4;
+
+       ret = of_set_property(node, "reg", tmp, len, 1);
+       kfree(tmp);
+       if (ret)
+               goto free_eeprom;
+
+       return 0;
+free_eeprom:
+       kfree(eeprom_node_name);
+free_alias:
+       kfree(alias);
+exit_error:
+       dev_err(priv->dev, "Failed to apply fixup: %i\n", ret);
+       return ret;
+}
+
+static int prt_imx6_of_fixup(struct device_node *root, void *data)
+{
+       struct prt_imx6_priv *priv = data;
+       int ret;
+
+       if (!root) {
+               dev_err(priv->dev, "Unable to find the root node\n");
+               return -ENODEV;
+       }
+
+       ret = prt_imx6_rfid_fixup(priv, root);
+       if (ret)
+               goto exit_of_fixups;
+
+       return 0;
+exit_of_fixups:
+       dev_err(priv->dev, "Failed to apply OF fixups: %i\n", ret);
+       return ret;
+}
+
+static int prt_imx6_get_id(struct prt_imx6_priv *priv)
+{
+       struct gpio gpios_type[] = GPIO_HW_TYPE_ID;
+       struct gpio gpios_rev[] = GPIO_HW_REV_ID;
+       int ret;
+
+       ret = gpio_array_to_id(gpios_type, ARRAY_SIZE(gpios_type), 
&priv->hw_id);
+       if (ret)
+               goto exit_get_id;
+
+       ret = gpio_array_to_id(gpios_rev, ARRAY_SIZE(gpios_rev), &priv->hw_rev);
+       if (ret)
+               goto exit_get_id;
+
+       return 0;
+exit_get_id:
+       dev_err(priv->dev, "Failed to read gpio ID: %i\n", ret);
+       return ret;
+}
+
+static int prt_imx6_get_dcfg(struct prt_imx6_priv *priv)
+{
+       const struct prt_machine_data *dcfg, *found = NULL;
+       int ret;
+
+       dcfg = of_device_get_match_data(priv->dev);
+       if (!dcfg) {
+               ret = -EINVAL;
+               goto exit_get_dcfg;
+       }
+
+       for (; dcfg->hw_id != UINT_MAX; dcfg++) {
+               if (dcfg->hw_id != priv->hw_id)
+                       continue;
+               if (dcfg->hw_rev > priv->hw_rev)
+                       break;
+               found = dcfg;
+       }
+
+       if (!found) {
+               ret = -ENODEV;
+               goto exit_get_dcfg;
+       }
+
+       priv->dcfg = found;
+
+       return 0;
+exit_get_dcfg:
+       dev_err(priv->dev, "Failed to get dcfg: %i\n", ret);
+       return ret;
+}
+
+static int prt_imx6_probe(struct device_d *dev)
+{
+       struct prt_imx6_priv *priv;
+       const char *name, *ptr;
+       struct param_d *p;
+       int ret;
+
+       priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;
+
+       priv->dev = dev;
+       name = of_device_get_match_compatible(priv->dev);
+       ptr = strchr(name, ',');
+       priv->name =  ptr ? ptr + 1 : name;
+
+       pr_info("Detected machine type: %s\n", priv->name);
+
+       ret = prt_imx6_get_id(priv);
+       if (ret)
+               goto free_priv;
+
+       pr_info("  HW type:     %d\n", priv->hw_id);
+       pr_info("  HW revision: %d\n", priv->hw_rev);
+
+       ret = prt_imx6_get_dcfg(priv);
+       if (ret)
+               goto free_priv;
+
+       p = dev_add_param_uint32_ro(dev, "boardrev", &priv->hw_rev, "%u");
+       if (IS_ERR(p)) {
+               ret = PTR_ERR(p);
+               goto free_priv;
+       }
+
+       p = dev_add_param_uint32_ro(dev, "boardid", &priv->hw_id, "%u");
+       if (IS_ERR(p)) {
+               ret = PTR_ERR(p);
+               goto free_priv;
+       }
+
+       ret = prt_imx6_of_fixup(of_get_root_node(), priv);
+       if (ret)
+               goto free_priv;
+
+       ret = of_register_fixup(prt_imx6_of_fixup, priv);
+       if (ret) {
+               dev_err(dev, "Failed to register fixup\n");
+               goto free_priv;
+       }
+
+       prt_priv = priv;
+
+       return 0;
+free_priv:
+       kfree(priv);
+       return ret;
+}
+
+static const struct prt_machine_data prt_imx6_cfg_alti6p[] = {
+       {
+               .hw_id = HW_TYPE_ALTI6P,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_EMMC,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_victgo[] = {
+       {
+               .hw_id = HW_TYPE_VICTGO,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .init = prt_imx6_init_victgo,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_vicut1[] = {
+       {
+               .hw_id = HW_TYPE_VICUT1,
+               .hw_rev = 0,
+               .i2c_addr = 0x50,
+               .i2c_adapter = 1,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = HW_TYPE_VICUT1,
+               .hw_rev = 1,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .init = prt_imx6_init_kvg_yaco,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = HW_TYPE_VICUT2,
+               .hw_rev = 1,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .init = prt_imx6_init_kvg_new,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_vicut1q[] = {
+       {
+               .hw_id = HW_TYPE_VICUT1,
+               .hw_rev = 0,
+               .i2c_addr = 0x50,
+               .i2c_adapter = 1,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = HW_TYPE_VICUT1,
+               .hw_rev = 1,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .init = prt_imx6_init_kvg_yaco,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = HW_TYPE_VICUT2,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .init = prt_imx6_init_kvg_yaco,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = HW_TYPE_VICUT2,
+               .hw_rev = 1,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .init = prt_imx6_init_kvg_new,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_vicutp[] = {
+       {
+               .hw_id = HW_TYPE_VICUT2,
+               .hw_rev = 1,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .init = prt_imx6_init_kvg_new,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_lanmcu[] = {
+       {
+               .hw_id = HW_TYPE_LANMCU,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_EMMC | PRT_IMX6_BOOTCHOOSER,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_plybas[] = {
+       {
+               .hw_id = HW_TYPE_PLYBAS,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR | PRT_IMX6_USB_LONG_DELAY,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_plym2m[] = {
+       {
+               .hw_id = HW_TYPE_PLYM2M,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR | PRT_IMX6_USB_LONG_DELAY,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_prti6g[] = {
+       {
+               .hw_id = HW_TYPE_PRTI6G,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_EMMC,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_prti6q[] = {
+       {
+               .hw_id = HW_TYPE_PRTI6Q,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 2,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = HW_TYPE_PRTI6Q,
+               .hw_rev = 1,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_prtmvt[] = {
+       {
+               .hw_id = HW_TYPE_PRTMVT,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_prtrvt[] = {
+       {
+               .hw_id = HW_TYPE_PRTRVT,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_SPI_NOR,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_prtvt7[] = {
+       {
+               .hw_id = HW_TYPE_PRTVT7,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_EMMC | PRT_IMX6_BOOTCHOOSER,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_prtwd2[] = {
+       {
+               .hw_id = HW_TYPE_PRTWD2,
+               .hw_rev = 0,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_EMMC,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct prt_machine_data prt_imx6_cfg_prtwd3[] = {
+       {
+               .hw_id = HW_TYPE_PRTWD2,
+               .hw_rev = 2,
+               .i2c_addr = 0x51,
+               .i2c_adapter = 0,
+               .flags = PRT_IMX6_BOOTSRC_EMMC,
+       }, {
+               .hw_id = UINT_MAX
+       },
+};
+
+static const struct of_device_id prt_imx6_of_match[] = {
+       { .compatible = "alt,alti6p", .data = &prt_imx6_cfg_alti6p },
+       { .compatible = "kvg,victgo", .data = &prt_imx6_cfg_victgo },
+       { .compatible = "kvg,vicut1", .data = &prt_imx6_cfg_vicut1 },
+       { .compatible = "kvg,vicut1q", .data = &prt_imx6_cfg_vicut1q },
+       { .compatible = "kvg,vicutp", .data = &prt_imx6_cfg_vicutp },
+       { .compatible = "lan,lanmcu", .data = &prt_imx6_cfg_lanmcu },
+       { .compatible = "ply,plybas", .data = &prt_imx6_cfg_plybas },
+       { .compatible = "ply,plym2m", .data = &prt_imx6_cfg_plym2m },
+       { .compatible = "prt,prti6g", .data = &prt_imx6_cfg_prti6g },
+       { .compatible = "prt,prti6q", .data = &prt_imx6_cfg_prti6q },
+       { .compatible = "prt,prtmvt", .data = &prt_imx6_cfg_prtmvt },
+       { .compatible = "prt,prtrvt", .data = &prt_imx6_cfg_prtrvt },
+       { .compatible = "prt,prtvt7", .data = &prt_imx6_cfg_prtvt7 },
+       { .compatible = "prt,prtwd2", .data = &prt_imx6_cfg_prtwd2 },
+       { .compatible = "prt,prtwd3", .data = &prt_imx6_cfg_prtwd3 },
+       { /* sentinel */ },
+};
+
+static struct driver_d prt_imx6_board_driver = {
+       .name = "board-protonic-imx6",
+       .probe = prt_imx6_probe,
+       .of_compatible = DRV_OF_COMPAT(prt_imx6_of_match),
+};
+postcore_platform_driver(prt_imx6_board_driver);
-- 
2.28.0


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