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[U-Boot,v5,4/4] board: pic32mzda: enable USB-host, USB-storage support.

Message ID 1458545743-3938-5-git-send-email-purna.mandal@microchip.com
State Accepted
Commit ac7eef716e6298feea81a927904b25efe1f492ac
Delegated to: Marek Vasut
Headers show

Commit Message

Purna Chandra Mandal March 21, 2016, 7:35 a.m. UTC 
Enable MUSB host and USB storage support for Microchip
PIC32MZ[DA] Starter Kit.

Signed-off-by: Purna Chandra Mandal <purna.mandal@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(+)
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Patch

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@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@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>