* Copyright 2012 Freescale Semiconductor, Inc.
*/
+#include <image.h>
#include <init.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <env.h>
+#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/libfdt.h>
#include <asm/gpio.h>
#include <version.h>
#include <stdlib.h>
#include <dm/root.h>
-#include "../common/ge_common.h"
+#include "../common/ge_rtc.h"
#include "../common/vpd_reader.h"
#include "../../../drivers/net/e1000.h"
#include <pci.h>
DECLARE_GLOBAL_DATA_PTR;
-static int confidx; /* Default to generic. */
+#define VPD_PRODUCT_B850 1
+#define VPD_PRODUCT_B650 2
+#define VPD_PRODUCT_B450 3
+
+static int productid; /* Default to generic. */
static struct vpd_cache vpd;
#define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
PAD_CTL_HYS)
-#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
- PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
-
-#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
-
-#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
- PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
-
-#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
- PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
- PAD_CTL_ODE | PAD_CTL_SRE_FAST)
-
-#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
-
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
static int is_b850v3(void)
{
- return confidx == 3;
+ return productid == VPD_PRODUCT_B850;
}
static int detect_lcd(struct display_info_t const *dev)
#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
MX6_PAD_GPIO_9__WDOG1_B | MUX_PAD_CTRL(NC_PAD_CTRL),
};
#define SUS_S3_OUT IMX_GPIO_NR(4, 11)
+#define PWGIN_IN IMX_GPIO_NR(4, 14)
#define WIFI_EN IMX_GPIO_NR(6, 14)
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)
{
- if (!read_vpd(&vpd, vpd_callback)) {
+ if (!read_i2c_vpd(&vpd, vpd_callback)) {
int ret, rescan;
vpd.is_read = true;
- set_confidx(&vpd);
+ productid = vpd.product_id;
ret = fdtdec_resetup(&rescan);
if (!ret && rescan) {
gpio_request(SUS_S3_OUT, "sus_s3_out");
gpio_direction_output(SUS_S3_OUT, 1);
+ gpio_request(PWGIN_IN, "pwgin_in");
+ gpio_direction_input(PWGIN_IN);
+
gpio_request(WIFI_EN, "wifi_en");
gpio_direction_output(WIFI_EN, 1);
}
}
+static void detect_boot_cause(void)
+{
+ const char *cause = "POR";
+
+ if (is_b850v3())
+ if (!gpio_get_value(PWGIN_IN))
+ cause = "PM_WDOG";
+
+ env_set("bootcause", cause);
+}
+
int board_late_init(void)
{
process_vpd(&vpd);
else
env_set("videoargs", "video=LVDS-1:1024x768@65");
+ detect_boot_cause();
+
/* board specific pmic init */
pmic_init();
}
#ifdef CONFIG_OF_BOARD_SETUP
-int ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, struct bd_info *bd)
{
char *rtc_status = env_get("rtc_status");