]> git.sur5r.net Git - u-boot/blobdiff - board/ge/bx50v3/bx50v3.c
board: ge: bx50v3: enable backlight on demand
[u-boot] / board / ge / bx50v3 / bx50v3.c
index 0acf655c0e5b86686ea1d32471ba1ab1c4122f2a..46321ae666f1b5a1b47333d0b65bbd085c2fe955 100644 (file)
 #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;
 
+#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)
@@ -528,11 +543,124 @@ 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");
+               break;
+       case VPD_PRODUCT_B650:
+               env_set("confidx", "2");
+               break;
+       case VPD_PRODUCT_B850:
+               env_set("confidx", "3");
+               break;
+       }
+
+       switch (vpd->product_id) {
+       case VPD_PRODUCT_B450:
+               /* fall thru */
+       case VPD_PRODUCT_B650:
+               i210_index = 0;
+               fec_index = 1;
+               break;
+       case VPD_PRODUCT_B850:
+               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)
+{
+       struct vpd_cache vpd;
+       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);
+               process_vpd(&vpd);
+       }
+
+       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);
 }
 
@@ -544,6 +672,7 @@ 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)
@@ -651,10 +780,55 @@ void pmic_init(void)
 
 int board_late_init(void)
 {
+       read_vpd(CONFIG_SYS_I2C_EEPROM_BUS);
+
 #ifdef CONFIG_CMD_BMODE
        add_board_boot_modes(board_boot_modes);
 #endif
 
+       /* 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 */
@@ -672,14 +846,11 @@ 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",
+       ""
+);