env: Move env_set() to env.h
[oweals/u-boot.git] / board / gateworks / gw_ventana / gw_ventana.c
index 332c506dfef7dc214d7b56668bd5cb7e1009be89..3c40a4a8922476b09f09446b369fa0cc8f8782a4 100644 (file)
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2013 Gateworks Corporation
  *
  * Author: Tim Harvey <tharvey@gateworks.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
  */
 
 #include <common.h>
 #include <asm/setup.h>
 #include <dm.h>
 #include <dm/platform_data/serial_mxc.h>
+#include <env.h>
 #include <environment.h>
 #include <hwconfig.h>
 #include <i2c.h>
 #include <fdt_support.h>
-#include <fsl_esdhc.h>
+#include <fsl_esdhc_imx.h>
 #include <jffs2/load_kernel.h>
 #include <linux/ctype.h>
 #include <miiphy.h>
@@ -156,6 +156,7 @@ int board_ehci_hcd_init(int port)
        switch (board_type) {
        case GW53xx:
        case GW552x:
+       case GW5906:
                gpio = (IMX_GPIO_NR(1, 9));
                break;
        case GW54proto:
@@ -268,11 +269,11 @@ int mv88e61xx_hw_reset(struct phy_device *phydev)
        phydev->speed = SPEED_1000;
        phydev->duplex = DUPLEX_FULL;
 
-       /* LED configuration: 7:4-green (8=Activity)  3:0 amber (9=10Link) */
-       bus->write(bus, 0x10, 0, 0x16, 0x8089);
-       bus->write(bus, 0x11, 0, 0x16, 0x8089);
-       bus->write(bus, 0x12, 0, 0x16, 0x8089);
-       bus->write(bus, 0x13, 0, 0x16, 0x8089);
+       /* LED configuration: 7:4-green (8=Activity)  3:0 amber (8=Link) */
+       bus->write(bus, 0x10, 0, 0x16, 0x8088);
+       bus->write(bus, 0x11, 0, 0x16, 0x8088);
+       bus->write(bus, 0x12, 0, 0x16, 0x8088);
+       bus->write(bus, 0x13, 0, 0x16, 0x8088);
 
        return 0;
 }
@@ -385,8 +386,8 @@ struct display_info_t const displays[] = {{
                .vmode          = FB_VMODE_NONINTERLACED
 } }, {
        /* DLC700JMG-T-4 */
-       .bus    = 0,
-       .addr   = 0,
+       .bus    = 2,
+       .addr   = 0x38,
        .detect = NULL,
        .enable = enable_lvds,
        .pixfmt = IPU_PIX_FMT_LVDS666,
@@ -406,8 +407,8 @@ struct display_info_t const displays[] = {{
                .vmode          = FB_VMODE_NONINTERLACED
 } }, {
        /* DLC800FIG-T-3 */
-       .bus    = 0,
-       .addr   = 0,
+       .bus    = 2,
+       .addr   = 0x14,
        .detect = NULL,
        .enable = enable_lvds,
        .pixfmt = IPU_PIX_FMT_LVDS666,
@@ -425,7 +426,29 @@ struct display_info_t const displays[] = {{
                .vsync_len      = 10,
                .sync           = FB_SYNC_EXT,
                .vmode          = FB_VMODE_NONINTERLACED
-} } };
+} }, {
+       .bus    = 2,
+       .addr   = 0x5d,
+       .detect = detect_i2c,
+       .enable = enable_lvds,
+       .pixfmt = IPU_PIX_FMT_LVDS666,
+       .mode   = {
+               .name           = "Z101WX01",
+               .refresh        = 60,
+               .xres           = 1280,
+               .yres           = 800,
+               .pixclock       = 15385,        /* 64MHz */
+               .left_margin    = 220,
+               .right_margin   = 40,
+               .upper_margin   = 21,
+               .lower_margin   = 7,
+               .hsync_len      = 60,
+               .vsync_len      = 10,
+               .sync           = FB_SYNC_EXT,
+               .vmode          = FB_VMODE_NONINTERLACED
+       }
+},
+};
 size_t display_count = ARRAY_SIZE(displays);
 
 static void setup_display(void)
@@ -626,19 +649,23 @@ int board_init(void)
        /* address of linux boot parameters */
        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
+       /* read Gateworks EEPROM into global struct (used later) */
+       setup_ventana_i2c(0);
+       board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
+
 #ifdef CONFIG_CMD_NAND
-       setup_gpmi_nand();
+       if (gpio_cfg[board_type].nand)
+               setup_gpmi_nand();
 #endif
 #ifdef CONFIG_MXC_SPI
        setup_spi();
 #endif
-       setup_ventana_i2c();
+       setup_ventana_i2c(1);
+       setup_ventana_i2c(2);
 
 #ifdef CONFIG_SATA
        setup_sata();
 #endif
-       /* read Gateworks EEPROM into global struct (used later) */
-       board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
 
        setup_iomux_gpio(board_type, &ventana_info);
 
@@ -708,7 +735,7 @@ static const struct boot_mode board_boot_modes[] = {
        /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
        { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
        { "emmc2", MAKE_CFGVAL(0x60, 0x48, 0x00, 0x00) }, /* GW5600 */
-       { "emmc3", MAKE_CFGVAL(0x60, 0x50, 0x00, 0x00) }, /* GW5903/GW5904 */
+       { "emmc3", MAKE_CFGVAL(0x60, 0x50, 0x00, 0x00) }, /* GW5903/4/5 */
        { NULL, 0 },
 };
 #endif
@@ -853,34 +880,12 @@ static int ft_sethdmiinfmt(void *blob, char *mode)
        return 0;
 }
 
-/* enable a property of a node if the node is found */
-static inline void ft_enable_path(void *blob, const char *path)
-{
-       int i = fdt_path_offset(blob, path);
-       if (i >= 0) {
-               debug("enabling %s\n", path);
-               fdt_status_okay(blob, i);
-       }
-}
-
-/* remove a property of a node if the node is found */
-static inline void ft_delprop_path(void *blob, const char *path,
-                                  const char *name)
-{
-       int i = fdt_path_offset(blob, path);
-       if (i) {
-               debug("removing %s/%s\n", path, name);
-               fdt_delprop(blob, i, name);
-       }
-}
-
 #if defined(CONFIG_CMD_PCI)
 #define PCI_ID(x) ( \
        (PCI_BUS(x->devfn)<<16)| \
        (PCI_DEV(x->devfn)<<11)| \
        (PCI_FUNC(x->devfn)<<8) \
        )
-#define PCIE_PATH      "/soc/pcie@0x01000000"
 int fdt_add_pci_node(void *blob, int par, struct pci_dev *dev)
 {
        uint32_t reg[5];
@@ -913,7 +918,7 @@ int fdt_add_pci_path(void *blob, struct pci_dev *dev)
        int k, np;
 
        /* build list of parents */
-       np = fdt_path_offset(blob, PCIE_PATH);
+       np = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-pcie");
        if (np < 0)
                return np;
 
@@ -950,7 +955,7 @@ int fdt_fixup_gw16082(void *blob, int np, struct pci_dev *dev)
        int i;
 
        /* build irq-map based on host controllers map */
-       host = fdt_path_offset(blob, PCIE_PATH);
+       host = fdt_node_offset_by_compatible(blob, -1, "fsl,imx6q-pcie");
        if (host < 0) {
                printf("   %s failed: missing host\n", __func__);
                return host;
@@ -1092,10 +1097,14 @@ void ft_board_pci_fixup(void *blob, bd_t *bd)
 }
 #endif /* if defined(CONFIG_CMD_PCI) */
 
-void ft_board_wdog_fixup(void *blob, const char *path)
+void ft_board_wdog_fixup(void *blob, phys_addr_t addr)
 {
-       ft_delprop_path(blob, path, "ext-reset-output");
-       ft_delprop_path(blob, path, "fsl,ext-reset-output");
+       int off = fdt_node_offset_by_compat_reg(blob, "fsl,imx6q-wdt", addr);
+
+       if (off) {
+               fdt_delprop(blob, off, "ext-reset-output");
+               fdt_delprop(blob, off, "fsl,ext-reset-output");
+       }
 }
 
 /*
@@ -1107,15 +1116,16 @@ void ft_board_wdog_fixup(void *blob, const char *path)
  *  - board (full model from EEPROM)
  *  - peripherals removed from DTB if not loaded on board (per EEPROM config)
  */
-#define UART1_PATH     "/soc/aips-bus@02100000/serial@021ec000"
-#define WDOG1_PATH     "/soc/aips-bus@02000000/wdog@020bc000"
-#define WDOG2_PATH     "/soc/aips-bus@02000000/wdog@020c0000"
-#define GPIO3_PATH     "/soc/aips-bus@02000000/gpio@020a4000"
+#define WDOG1_ADDR     0x20bc000
+#define WDOG2_ADDR     0x20c0000
+#define GPIO3_ADDR     0x20a4000
+#define USDHC3_ADDR    0x2198000
+#define PWM0_ADDR      0x2080000
 int ft_board_setup(void *blob, bd_t *bd)
 {
        struct ventana_board_info *info = &ventana_info;
        struct ventana_eeprom_config *cfg;
-       struct node_info nodes[] = {
+       static const struct node_info nodes[] = {
                { "sst,w25q256",          MTD_DEV_TYPE_NOR, },  /* SPI flash */
                { "fsl,imx6q-gpmi-nand",  MTD_DEV_TYPE_NAND, }, /* NAND flash */
        };
@@ -1173,14 +1183,15 @@ int ft_board_setup(void *blob, bd_t *bd)
                 * errata causing wdog timer to be unreliable.
                 */
                if (rev >= 'A' && rev < 'C') {
-                       i = fdt_path_offset(blob, WDOG1_PATH);
+                       i = fdt_node_offset_by_compat_reg(blob, "fsl,imx6q-wdt",
+                                                         WDOG1_ADDR);
                        if (i)
                                fdt_status_disabled(blob, i);
                }
 
                /* GW51xx-E adds WDOG1_B external reset */
                if (rev < 'E')
-                       ft_board_wdog_fixup(blob, WDOG1_PATH);
+                       ft_board_wdog_fixup(blob, WDOG1_ADDR);
                break;
 
        case GW52xx:
@@ -1196,7 +1207,8 @@ int ft_board_setup(void *blob, bd_t *bd)
                                                           "reset-gpio", NULL);
 
                        if (range) {
-                               i = fdt_path_offset(blob, GPIO3_PATH);
+                               i = fdt_node_offset_by_compat_reg(blob,
+                                       "fsl,imx6q-gpio", GPIO3_ADDR);
                                if (i)
                                        handle = fdt_get_phandle(blob, i);
                                if (handle) {
@@ -1211,18 +1223,19 @@ int ft_board_setup(void *blob, bd_t *bd)
                                gpio_cfg[board_type].usd_vsel = 0;
 
                        /* GW522x-B adds WDOG1_B external reset */
-                       ft_board_wdog_fixup(blob, WDOG1_PATH);
+                       if (rev < 'B')
+                               ft_board_wdog_fixup(blob, WDOG1_ADDR);
                }
 
                /* GW520x-E adds WDOG1_B external reset */
                else if (info->model[4] == '0' && rev < 'E')
-                       ft_board_wdog_fixup(blob, WDOG1_PATH);
+                       ft_board_wdog_fixup(blob, WDOG1_ADDR);
                break;
 
        case GW53xx:
                /* GW53xx-E adds WDOG1_B external reset */
                if (rev < 'E')
-                       ft_board_wdog_fixup(blob, WDOG1_PATH);
+                       ft_board_wdog_fixup(blob, WDOG1_ADDR);
                break;
 
        case GW54xx:
@@ -1230,13 +1243,12 @@ int ft_board_setup(void *blob, bd_t *bd)
                 * disable serial2 node for GW54xx for compatibility with older
                 * 3.10.x kernel that improperly had this node enabled in the DT
                 */
-               i = fdt_path_offset(blob, UART1_PATH);
-               if (i)
-                       fdt_del_node(blob, i);
+               fdt_set_status_by_alias(blob, "serial2", FDT_STATUS_DISABLED,
+                                       0);
 
                /* GW54xx-E adds WDOG2_B external reset */
                if (rev < 'E')
-                       ft_board_wdog_fixup(blob, WDOG2_PATH);
+                       ft_board_wdog_fixup(blob, WDOG2_ADDR);
                break;
 
        case GW551x:
@@ -1285,7 +1297,13 @@ int ft_board_setup(void *blob, bd_t *bd)
 
                /* GW551x-C adds WDOG1_B external reset */
                if (rev < 'C')
-                       ft_board_wdog_fixup(blob, WDOG1_PATH);
+                       ft_board_wdog_fixup(blob, WDOG1_ADDR);
+               break;
+       case GW5901:
+       case GW5902:
+               /* GW5901/GW5901 revB adds WDOG1_B as an external reset */
+               if (rev < 'B')
+                       ft_board_wdog_fixup(blob, WDOG1_ADDR);
                break;
        }
 
@@ -1299,20 +1317,27 @@ int ft_board_setup(void *blob, bd_t *bd)
                        continue;
                if (hwconfig_subarg_cmp(arg, "mode", "pwm") && cfg->pwm_param)
                {
-                       char path[48];
-                       sprintf(path, "/soc/aips-bus@02000000/pwm@%08x",
-                               0x02080000 + (0x4000 * (cfg->pwm_param - 1)));
+                       phys_addr_t addr;
+                       int off;
+
                        printf("   Enabling pwm%d for DIO%d\n",
                               cfg->pwm_param, i);
-                       ft_enable_path(blob, path);
+                       addr = PWM0_ADDR + (0x4000 * (cfg->pwm_param - 1));
+                       off = fdt_node_offset_by_compat_reg(blob,
+                                                           "fsl,imx6q-pwm",
+                                                           addr);
+                       if (off)
+                               fdt_status_okay(blob, off);
                }
        }
 
        /* remove no-1-8-v if UHS-I support is present */
        if (gpio_cfg[board_type].usd_vsel) {
                debug("Enabling UHS-I support\n");
-               ft_delprop_path(blob, "/soc/aips-bus@02100000/usdhc@02198000",
-                               "no-1-8-v");
+               i = fdt_node_offset_by_compat_reg(blob, "fsl,imx6q-usdhc",
+                                                 USDHC3_ADDR);
+               if (i)
+                       fdt_delprop(blob, i, "no-1-8-v");
        }
 
 #if defined(CONFIG_CMD_PCI)