[U-Boot] [PATCH v5 4/4] board: pic32mzda: enable USB-host, USB-storage support.
Purna Chandra Mandal
purna.mandal at microchip.com
Mon Mar 21 08:35:43 CET 2016
Enable MUSB host and USB storage support for Microchip
PIC32MZ[DA] Starter Kit.
Signed-off-by: Purna Chandra Mandal <purna.mandal at microchip.com>
---
Changes in v5: None
Changes in v4:
- dts: add USB clock to musb node
- add missing CONFIG_PIC32_USB in defconfig
Changes in v3:
- add arch specific reads{bwlq}, writes{bwlq} in respective arch io.h
- remove reads{bwlq}, writes{bwlq} in musb-new driver
Changes in v2:
- compilation fix in drivers/usb/musb-new/linux-compat.h seperated
- compilation fix in drivers/gadget/f_mass_storage.c seperated
arch/mips/dts/pic32mzda.dtsi | 12 ++++++++++++
arch/mips/dts/pic32mzda_sk.dts | 4 ++++
configs/pic32mzdask_defconfig | 6 ++++++
include/configs/pic32mzdask.h | 7 +++++++
4 files changed, 29 insertions(+)
diff --git a/arch/mips/dts/pic32mzda.dtsi b/arch/mips/dts/pic32mzda.dtsi
index 7d180d9..8a554f9 100644
--- a/arch/mips/dts/pic32mzda.dtsi
+++ b/arch/mips/dts/pic32mzda.dtsi
@@ -171,4 +171,16 @@
#address-cells = <1>;
#size-cells = <0>;
};
+
+ usb: musb at 1f8e3000 {
+ compatible = "microchip,pic32mzda-usb";
+ reg = <0x1f8e3000 0x1000>,
+ <0x1f884000 0x1000>;
+ reg-names = "mc", "control";
+ interrupts = <132 IRQ_TYPE_EDGE_RISING>,
+ <133 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clock PB5CLK>;
+ clock-names = "usb_clk";
+ status = "disabled";
+ };
};
diff --git a/arch/mips/dts/pic32mzda_sk.dts b/arch/mips/dts/pic32mzda_sk.dts
index e5ce0bd..0a7847e 100644
--- a/arch/mips/dts/pic32mzda_sk.dts
+++ b/arch/mips/dts/pic32mzda_sk.dts
@@ -52,4 +52,8 @@
ethernet_phy: lan8740_phy at 0 {
reg = <0>;
};
+};
+
+&usb {
+ status = "okay";
};
\ No newline at end of file
diff --git a/configs/pic32mzdask_defconfig b/configs/pic32mzdask_defconfig
index 4017983..eba6cd5 100644
--- a/configs/pic32mzdask_defconfig
+++ b/configs/pic32mzdask_defconfig
@@ -14,6 +14,7 @@ CONFIG_LOOPW=y
CONFIG_CMD_MEMTEST=y
CONFIG_CMD_MEMINFO=y
# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_USB=y
# CONFIG_CMD_FPGA is not set
CONFIG_CMD_GPIO=y
CONFIG_CMD_RARP=y
@@ -30,5 +31,10 @@ CONFIG_PIC32_ETH=y
CONFIG_PINCTRL=y
# CONFIG_PINCTRL_FULL is not set
CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_MUSB_HOST=y
+CONFIG_USB_MUSB_PIC32=y
+CONFIG_USB_STORAGE=y
CONFIG_USE_TINY_PRINTF=y
CONFIG_CMD_DHRYSTONE=y
diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h
index 3ea1194..78faaec 100644
--- a/include/configs/pic32mzdask.h
+++ b/include/configs/pic32mzdask.h
@@ -105,6 +105,12 @@
#define CONFIG_GENERIC_MMC
#define CONFIG_CMD_MMC
+/*--------------------------------------------------
+ * USB Configuration
+ */
+#define CONFIG_USB_MUSB_PIO_ONLY
+#define CONFIG_SYS_CACHELINE_SIZE 16
+
/*-----------------------------------------------------------------------
* File System Configuration
*/
@@ -153,6 +159,7 @@
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 0) \
+ func(USB, usb, 0) \
func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>
--
1.8.3.1
More information about the U-Boot
mailing list