kc1: MUSB USB controller and fastboot USB gadget support
This adds support for the MUSB USB dual-role controller in peripheral mode,
with configuration options for the fastboot USB gadget.
At this point, flashing the internal eMMC is support.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
diff --git a/board/amazon/kc1/kc1.c b/board/amazon/kc1/kc1.c
index a189bb2..29d9c64 100644
--- a/board/amazon/kc1/kc1.c
+++ b/board/amazon/kc1/kc1.c
@@ -8,6 +8,9 @@
#include <config.h>
#include <common.h>
+#include <linux/ctype.h>
+#include <linux/usb/musb.h>
+#include <asm/omap_musb.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/gpio.h>
@@ -21,6 +24,26 @@
.board_string = "kc1"
};
+static struct musb_hdrc_config musb_config = {
+ .multipoint = 1,
+ .dyn_fifo = 1,
+ .num_eps = 16,
+ .ram_bits = 12
+};
+
+static struct omap_musb_board_data musb_board_data = {
+ .interface_type = MUSB_INTERFACE_UTMI,
+};
+
+static struct musb_hdrc_platform_data musb_platform_data = {
+ .mode = MUSB_PERIPHERAL,
+ .config = &musb_config,
+ .power = 100,
+ .platform_ops = &omap2430_ops,
+ .board_data = &musb_board_data,
+};
+
+
void set_muxconf_regs(void)
{
do_set_mux((*ctrl)->control_padconf_core_base, core_padconf_array,
@@ -66,6 +89,10 @@
omap_die_id_serial();
+ /* MUSB */
+
+ musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
+
return 0;
}
diff --git a/board/amazon/kc1/kc1.h b/board/amazon/kc1/kc1.h
index 886bd38..67d008f 100644
--- a/board/amazon/kc1/kc1.h
+++ b/board/amazon/kc1/kc1.h
@@ -87,6 +87,10 @@
{ UNIPRO_RY1, (IEN | DIS | M3) }, /* gpio_178 */
{ UNIPRO_RX2, (IDIS | DIS | M7) }, /* safe_mode */
{ UNIPRO_RY2, (IDIS | DIS | M7) }, /* safe_mode */
+ /* USBA0_OTG */
+ { USBA0_OTG_CE, (IDIS | PTD | M0) }, /* usba0_otg_ce */
+ { USBA0_OTG_DP, (IEN | DIS | M0) }, /* usba0_otg_dp */
+ { USBA0_OTG_DM, (IEN | DIS | M0) }, /* usba0_otg_dm */
};
#endif
diff --git a/configs/kc1_defconfig b/configs/kc1_defconfig
index c9cadd9..1e5c918 100644
--- a/configs/kc1_defconfig
+++ b/configs/kc1_defconfig
@@ -10,3 +10,5 @@
# CONFIG_CMD_SETEXPR is not set
# CONFIG_CMD_NFS is not set
CONFIG_SYS_NS16550=y
+CONFIG_USB=y
+CONFIG_USB_MUSB_GADGET=y
diff --git a/include/configs/kc1.h b/include/configs/kc1.h
index 281041d..185e8de 100644
--- a/include/configs/kc1.h
+++ b/include/configs/kc1.h
@@ -172,6 +172,41 @@
115200 }
/*
+ * USB gadget
+ */
+
+#define CONFIG_USB_MUSB_PIO_ONLY
+#define CONFIG_USB_MUSB_OMAP2PLUS
+
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW 0
+
+/*
+ * Download
+ */
+
+#define CONFIG_USB_GADGET_DOWNLOAD
+
+#define CONFIG_G_DNL_VENDOR_NUM 0x0451
+#define CONFIG_G_DNL_PRODUCT_NUM 0xd022
+#define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
+
+/*
+ * Fastboot
+ */
+
+#define CONFIG_USB_FUNCTION_FASTBOOT
+
+#define CONFIG_FASTBOOT_BUF_ADDR CONFIG_SYS_LOAD_ADDR
+#define CONFIG_FASTBOOT_BUF_SIZE 0x2000000
+
+#define CONFIG_FASTBOOT_FLASH
+#define CONFIG_FASTBOOT_FLASH_MMC_DEV 0
+
+#define CONFIG_CMD_FASTBOOT
+
+/*
* Environment
*/