This patch initiates cros-ec in board_init() to enable it for smdk5250.
Signed-off-by: Simon Glass <s...@chromium.org>
Signed-off-by: Vincent Palatin <vpala...@chromium.org>
Signed-off-by: Hung-ying Tyan <ty...@chromium.org>
---
Changes in v4: None
Changes in v3: None
Changes in v2:
- Moved code from smdk5250.c (non-FDT) to exynos5-dt.c (FDT).
- Moved code from smdk5250.h to exynos5250-dt.h.
- Added commit message.
- Dropped the period from commit subject.
board/samsung/smdk5250/exynos5-dt.c | 45 +++++++++++++++++++++++++++++++++++++
include/configs/exynos5250-dt.h | 10 ++++++++-
2 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/board/samsung/smdk5250/exynos5-dt.c
b/board/samsung/smdk5250/exynos5-dt.c
index b01fe72..8be3192 100644
--- a/board/samsung/smdk5250/exynos5-dt.c
+++ b/board/samsung/smdk5250/exynos5-dt.c
@@ -21,6 +21,7 @@
*/
#include <common.h>
+#include <cros_ec.h>
#include <fdtdec.h>
#include <asm/io.h>
#include <errno.h>
@@ -39,6 +40,13 @@
DECLARE_GLOBAL_DATA_PTR;
+struct local_info {
+ struct cros_ec_dev *cros_ec_dev; /* Pointer to cros_ec device */
+ int cros_ec_err; /* Error for cros_ec, 0 if ok */
+};
+
+static struct local_info local;
+
#ifdef CONFIG_USB_EHCI_EXYNOS
int board_usb_vbus_init(void)
{
@@ -55,12 +63,30 @@ int board_usb_vbus_init(void)
}
#endif
+struct cros_ec_dev *board_get_cros_ec_dev(void)
+{
+ return local.cros_ec_dev;
+}
+
+static int board_init_cros_ec_devices(const void *blob)
+{
+ local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
+ if (local.cros_ec_err)
+ return -1; /* Will report in board_late_init() */
+
+ return 0;
+}
+
int board_init(void)
{
gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
#ifdef CONFIG_EXYNOS_SPI
spi_init();
#endif
+
+ if (board_init_cros_ec_devices(gd->fdt_blob))
+ return -1;
+
#ifdef CONFIG_USB_EHCI_EXYNOS
board_usb_vbus_init();
#endif
@@ -337,3 +363,22 @@ int board_early_init_f(void)
return err;
}
#endif
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+ stdio_print_current_devices();
+
+ if (local.cros_ec_err) {
+ /* Force console on */
+ gd->flags &= ~GD_FLG_SILENT;
+
+ printf("cros-ec communications failure %d\n",
+ local.cros_ec_err);
+ puts("\nPlease reset with Power+Refresh\n\n");
+ panic("Cannot init cros-ec device");
+ return -1;
+ }
+ return 0;
+}
+#endif
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
index 0721c17..80dfce7 100644
--- a/include/configs/exynos5250-dt.h
+++ b/include/configs/exynos5250-dt.h
@@ -77,11 +77,19 @@
#define CONFIG_BAUDRATE 115200
#define EXYNOS5_DEFAULT_UART_OFFSET 0x010000
+/* Enable keyboard */
+#define CONFIG_CROS_EC /* CROS_EC protocol */
+#define CONFIG_CROS_EC_SPI /* Support CROS_EC over SPI */
+#define CONFIG_CROS_EC_I2C /* Support CROS_EC over I2C */
+#define CONFIG_CROS_EC_KEYB /* CROS_EC keyboard input */
+#define CONFIG_CMD_CROS_EC
+#define CONFIG_KEYBOARD
+
/* Console configuration */
#define CONFIG_CONSOLE_MUX
#define CONFIG_SYS_CONSOLE_IS_IN_ENV
#define EXYNOS_DEVICE_SETTINGS \
- "stdin=serial\0" \
+ "stdin=serial,cros-ec-keyb\0" \
"stdout=serial,lcd\0" \
"stderr=serial,lcd\0"
--
1.8.1.3
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