Merge branch 'master' of git://git.denx.de/u-boot-usb
authorTom Rini <trini@konsulko.com>
Sun, 10 Apr 2016 23:55:08 +0000 (19:55 -0400)
committerTom Rini <trini@konsulko.com>
Sun, 10 Apr 2016 23:55:08 +0000 (19:55 -0400)
22 files changed:
Makefile
arch/arm/include/asm/io.h
arch/mips/dts/pic32mzda.dtsi
arch/mips/dts/pic32mzda_sk.dts
cmd/usb.c
common/usb_kbd.c
configs/pic32mzdask_defconfig
drivers/mtd/nand/pxa3xx_nand.c
drivers/usb/common/Makefile [new file with mode: 0644]
drivers/usb/common/fsl-dt-fixup.c [new file with mode: 0644]
drivers/usb/gadget/bcm_udc_otg_phy.c
drivers/usb/host/ehci-fsl.c
drivers/usb/host/ehci-hcd.c
drivers/usb/musb-new/Kconfig
drivers/usb/musb-new/Makefile
drivers/usb/musb-new/linux-compat.h
drivers/usb/musb-new/musb_core.c
drivers/usb/musb-new/musb_uboot.c
drivers/usb/musb-new/pic32.c [new file with mode: 0644]
drivers/usb/musb-new/sunxi.c
include/configs/pic32mzdask.h
include/fdt_support.h

index 25ef3c1..ea7fd00 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -648,6 +648,7 @@ libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
 libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/
 libs-y += drivers/serial/
 libs-y += drivers/usb/dwc3/
+libs-y += drivers/usb/common/
 libs-y += drivers/usb/emul/
 libs-y += drivers/usb/eth/
 libs-y += drivers/usb/gadget/
index 75773bd..9d185a6 100644 (file)
@@ -284,6 +284,13 @@ static inline void __raw_readsl(unsigned long addr, void *data, int longlen)
 #define insw_p(port,to,len)            insw(port,to,len)
 #define insl_p(port,to,len)            insl(port,to,len)
 
+#define writesl(a, d, s)       __raw_writesl((unsigned long)a, d, s)
+#define readsl(a, d, s)                __raw_readsl((unsigned long)a, d, s)
+#define writesw(a, d, s)       __raw_writesw((unsigned long)a, d, s)
+#define readsw(a, d, s)                __raw_readsw((unsigned long)a, d, s)
+#define writesb(a, d, s)       __raw_writesb((unsigned long)a, d, s)
+#define readsb(a, d, s)                __raw_readsb((unsigned long)a, d, s)
+
 /*
  * ioremap and friends.
  *
index 7d180d9..8a554f9 100644 (file)
                #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";
+       };
 };
index e5ce0bd..0a7847e 100644 (file)
@@ -52,4 +52,8 @@
        ethernet_phy: lan8740_phy@0 {
                reg = <0>;
        };
+};
+
+&usb {
+       status = "okay";
 };
\ No newline at end of file
index 9ed5dc6..f1a7deb 100644 (file)
--- a/cmd/usb.c
+++ b/cmd/usb.c
@@ -15,6 +15,7 @@
 #include <command.h>
 #include <console.h>
 #include <dm.h>
+#include <dm/uclass-internal.h>
 #include <memalign.h>
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
@@ -442,12 +443,15 @@ void usb_show_tree(void)
 #ifdef CONFIG_DM_USB
        struct udevice *bus;
 
-       for (uclass_first_device(UCLASS_USB, &bus);
+       for (uclass_find_first_device(UCLASS_USB, &bus);
                bus;
-               uclass_next_device(&bus)) {
+               uclass_find_next_device(&bus)) {
                struct usb_device *udev;
                struct udevice *dev;
 
+               if (!device_active(bus))
+                       continue;
+
                device_find_first_child(bus, &dev);
                if (dev && device_active(dev)) {
                        udev = dev_get_parent_priv(dev);
@@ -541,7 +545,7 @@ static int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 static int do_usb_stop_keyboard(int force)
 {
-#ifdef CONFIG_USB_KEYBOARD
+#if !defined CONFIG_DM_USB && defined CONFIG_USB_KEYBOARD
        if (usb_kbd_deregister(force) != 0) {
                printf("USB not stopped: usbkbd still using USB\n");
                return 1;
index d84865f..97f79f8 100644 (file)
@@ -566,7 +566,6 @@ int drv_usb_kbd_init(void)
        /* No USB Keyboard found */
        return -1;
 }
-#endif
 
 /* Deregister the keyboard. */
 int usb_kbd_deregister(int force)
@@ -599,6 +598,8 @@ int usb_kbd_deregister(int force)
 #endif
 }
 
+#endif
+
 #ifdef CONFIG_DM_USB
 
 static int usb_kbd_probe(struct udevice *dev)
index 4017983..eba6cd5 100644 (file)
@@ -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
index 9392742..d529467 100644 (file)
 
 #include "pxa3xx_nand.h"
 
-/* Some U-Boot compatibility macros */
-#define writesl(a, d, s)       __raw_writesl((unsigned long)a, d, s)
-#define readsl(a, d, s)                __raw_readsl((unsigned long)a, d, s)
-#define writesw(a, d, s)       __raw_writesw((unsigned long)a, d, s)
-#define readsw(a, d, s)                __raw_readsw((unsigned long)a, d, s)
-#define writesb(a, d, s)       __raw_writesb((unsigned long)a, d, s)
-#define readsb(a, d, s)                __raw_readsb((unsigned long)a, d, s)
-
 #define TIMEOUT_DRAIN_FIFO     5       /* in ms */
 #define        CHIP_DELAY_TIMEOUT      200
 #define NAND_STOP_DELAY                40
diff --git a/drivers/usb/common/Makefile b/drivers/usb/common/Makefile
new file mode 100644 (file)
index 0000000..2f3d43d
--- /dev/null
@@ -0,0 +1,7 @@
+# (C) Copyright 2016 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+
+obj-$(CONFIG_USB_EHCI_FSL) += fsl-dt-fixup.o
+obj-$(CONFIG_USB_XHCI_FSL) += fsl-dt-fixup.o
diff --git a/drivers/usb/common/fsl-dt-fixup.c b/drivers/usb/common/fsl-dt-fixup.c
new file mode 100644 (file)
index 0000000..6f31932
--- /dev/null
@@ -0,0 +1,202 @@
+/*
+ * (C) Copyright 2009, 2011 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB
+ *
+ * Author: Tor Krill tor@excito.com
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <usb.h>
+#include <asm/io.h>
+#include <hwconfig.h>
+#include <fsl_usb.h>
+#include <fdt_support.h>
+
+#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
+#endif
+
+static const char * const compat_usb_fsl[] = {
+       "fsl-usb2-mph",
+       "fsl-usb2-dr",
+       "snps,dwc3",
+       NULL
+};
+
+static int fdt_usb_get_node_type(void *blob, int start_offset,
+                                int *node_offset, const char **node_type)
+{
+       int i;
+       int ret = -ENOENT;
+
+       for (i = 0; compat_usb_fsl[i]; i++) {
+               *node_offset = fdt_node_offset_by_compatible
+                                       (blob, start_offset,
+                                        compat_usb_fsl[i]);
+               if (*node_offset >= 0) {
+                       *node_type = compat_usb_fsl[i];
+                       ret = 0;
+                       break;
+               }
+       }
+
+       return ret;
+}
+
+static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
+                                      const char *phy_type, int start_offset)
+{
+       const char *prop_mode = "dr_mode";
+       const char *prop_type = "phy_type";
+       const char *node_type = NULL;
+       int node_offset;
+       int err;
+
+       err = fdt_usb_get_node_type(blob, start_offset,
+                                   &node_offset, &node_type);
+       if (err < 0)
+               return err;
+
+       if (mode) {
+               err = fdt_setprop(blob, node_offset, prop_mode, mode,
+                                 strlen(mode) + 1);
+               if (err < 0)
+                       printf("WARNING: could not set %s for %s: %s.\n",
+                              prop_mode, node_type, fdt_strerror(err));
+       }
+
+       if (phy_type) {
+               err = fdt_setprop(blob, node_offset, prop_type, phy_type,
+                                 strlen(phy_type) + 1);
+               if (err < 0)
+                       printf("WARNING: could not set %s for %s: %s.\n",
+                              prop_type, node_type, fdt_strerror(err));
+       }
+
+       return node_offset;
+}
+
+static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
+                                int start_offset)
+{
+       int node_offset, err;
+       const char *node_type = NULL;
+
+       err = fdt_usb_get_node_type(blob, start_offset,
+                                   &node_offset, &node_type);
+       if (err < 0)
+               return err;
+
+       err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0);
+       if (err < 0) {
+               printf("ERROR: could not set %s for %s: %s.\n",
+                      prop_erratum, node_type, fdt_strerror(err));
+       }
+
+       return node_offset;
+}
+
+void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+{
+       static const char * const modes[] = { "host", "peripheral", "otg" };
+       static const char * const phys[] = { "ulpi", "utmi", "utmi_dual" };
+       int usb_erratum_a006261_off = -1;
+       int usb_erratum_a007075_off = -1;
+       int usb_erratum_a007792_off = -1;
+       int usb_erratum_a005697_off = -1;
+       int usb_mode_off = -1;
+       int usb_phy_off = -1;
+       char str[5];
+       int i, j;
+
+       for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
+               const char *dr_mode_type = NULL;
+               const char *dr_phy_type = NULL;
+               int mode_idx = -1, phy_idx = -1;
+
+               snprintf(str, 5, "%s%d", "usb", i);
+               if (hwconfig(str)) {
+                       for (j = 0; j < ARRAY_SIZE(modes); j++) {
+                               if (hwconfig_subarg_cmp(str, "dr_mode",
+                                                       modes[j])) {
+                                       mode_idx = j;
+                                       break;
+                               }
+                       }
+
+                       for (j = 0; j < ARRAY_SIZE(phys); j++) {
+                               if (hwconfig_subarg_cmp(str, "phy_type",
+                                                       phys[j])) {
+                                       phy_idx = j;
+                                       break;
+                               }
+                       }
+
+                       if (mode_idx < 0 && phy_idx < 0) {
+                               printf("WARNING: invalid phy or mode\n");
+                               return;
+                       }
+
+                       if (mode_idx > -1)
+                               dr_mode_type = modes[mode_idx];
+
+                       if (phy_idx > -1)
+                               dr_phy_type = phys[phy_idx];
+               }
+
+               if (has_dual_phy())
+                       dr_phy_type = phys[2];
+
+               usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
+                                                          dr_mode_type, NULL,
+                                                          usb_mode_off);
+
+               if (usb_mode_off < 0)
+                       return;
+
+               usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
+                                                         NULL, dr_phy_type,
+                                                         usb_phy_off);
+
+               if (usb_phy_off < 0)
+                       return;
+
+               if (has_erratum_a006261()) {
+                       usb_erratum_a006261_off =  fdt_fixup_usb_erratum
+                                                  (blob,
+                                                   "fsl,usb-erratum-a006261",
+                                                   usb_erratum_a006261_off);
+                       if (usb_erratum_a006261_off < 0)
+                               return;
+               }
+
+               if (has_erratum_a007075()) {
+                       usb_erratum_a007075_off =  fdt_fixup_usb_erratum
+                                                  (blob,
+                                                   "fsl,usb-erratum-a007075",
+                                                   usb_erratum_a007075_off);
+                       if (usb_erratum_a007075_off < 0)
+                               return;
+               }
+
+               if (has_erratum_a007792()) {
+                       usb_erratum_a007792_off =  fdt_fixup_usb_erratum
+                                                  (blob,
+                                                   "fsl,usb-erratum-a007792",
+                                                   usb_erratum_a007792_off);
+                       if (usb_erratum_a007792_off < 0)
+                               return;
+               }
+               if (has_erratum_a005697()) {
+                       usb_erratum_a005697_off =  fdt_fixup_usb_erratum
+                                                  (blob,
+                                                   "fsl,usb-erratum-a005697",
+                                                   usb_erratum_a005697_off);
+                       if (usb_erratum_a005697_off < 0)
+                               return;
+               }
+       }
+}
index 10b2e13..877f162 100644 (file)
@@ -8,12 +8,16 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/sysmap.h>
+#include <asm/kona-common/clk.h>
 
 #include "dwc2_udc_otg_priv.h"
 #include "bcm_udc_otg.h"
 
 void otg_phy_init(struct dwc2_udc *dev)
 {
+       /* turn on the USB OTG clocks */
+       clk_usb_otg_enable((void *)HSOTG_BASE_ADDR);
+
        /* set Phy to driving mode */
        wfld_clear(HSOTG_CTRL_BASE_ADDR + HSOTG_CTRL_PHY_P1CTL_OFFSET,
                   HSOTG_CTRL_PHY_P1CTL_NON_DRIVING_MASK);
index 4bcea9d..a43d37d 100644 (file)
@@ -173,198 +173,3 @@ static void set_txfifothresh(struct usb_ehci *ehci, u32 txfifo_thresh)
        cmd |= TXFIFO_THRESH(txfifo_thresh);
        ehci_writel(&ehci->txfilltuning, cmd);
 }
-
-#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
-static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
-                                      const char *phy_type, int start_offset)
-{
-       const char *compat_dr = "fsl-usb2-dr";
-       const char *compat_mph = "fsl-usb2-mph";
-       const char *prop_mode = "dr_mode";
-       const char *prop_type = "phy_type";
-       const char *node_type = NULL;
-       int node_offset;
-       int err;
-
-       node_offset = fdt_node_offset_by_compatible(blob,
-                                                   start_offset, compat_mph);
-       if (node_offset < 0) {
-               node_offset = fdt_node_offset_by_compatible(blob,
-                                                           start_offset,
-                                                           compat_dr);
-               if (node_offset < 0) {
-                       printf("WARNING: could not find compatible node: %s",
-                              fdt_strerror(node_offset));
-                       return -1;
-               }
-               node_type = compat_dr;
-       } else {
-               node_type = compat_mph;
-       }
-
-       if (mode) {
-               err = fdt_setprop(blob, node_offset, prop_mode, mode,
-                                 strlen(mode) + 1);
-               if (err < 0)
-                       printf("WARNING: could not set %s for %s: %s.\n",
-                              prop_mode, node_type, fdt_strerror(err));
-       }
-
-       if (phy_type) {
-               err = fdt_setprop(blob, node_offset, prop_type, phy_type,
-                                 strlen(phy_type) + 1);
-               if (err < 0)
-                       printf("WARNING: could not set %s for %s: %s.\n",
-                              prop_type, node_type, fdt_strerror(err));
-       }
-
-       return node_offset;
-}
-
-static const char *fdt_usb_get_node_type(void *blob, int start_offset,
-                                        int *node_offset)
-{
-       const char *compat_dr = "fsl-usb2-dr";
-       const char *compat_mph = "fsl-usb2-mph";
-       const char *node_type = NULL;
-
-       *node_offset = fdt_node_offset_by_compatible(blob, start_offset,
-                                                    compat_mph);
-       if (*node_offset < 0) {
-               *node_offset = fdt_node_offset_by_compatible(blob,
-                                                            start_offset,
-                                                            compat_dr);
-               if (*node_offset < 0) {
-                       printf("ERROR: could not find compatible node: %s\n",
-                              fdt_strerror(*node_offset));
-               } else {
-                       node_type = compat_dr;
-               }
-       } else {
-               node_type = compat_mph;
-       }
-
-       return node_type;
-}
-
-static int fdt_fixup_usb_erratum(void *blob, const char *prop_erratum,
-                                int start_offset)
-{
-       int node_offset, err;
-       const char *node_type = NULL;
-
-       node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
-       if (!node_type)
-               return -1;
-
-       err = fdt_setprop(blob, node_offset, prop_erratum, NULL, 0);
-       if (err < 0) {
-               printf("ERROR: could not set %s for %s: %s.\n",
-                      prop_erratum, node_type, fdt_strerror(err));
-       }
-
-       return node_offset;
-}
-
-void fdt_fixup_dr_usb(void *blob, bd_t *bd)
-{
-       static const char * const modes[] = { "host", "peripheral", "otg" };
-       static const char * const phys[] = { "ulpi", "utmi", "utmi_dual" };
-       int usb_erratum_a006261_off = -1;
-       int usb_erratum_a007075_off = -1;
-       int usb_erratum_a007792_off = -1;
-       int usb_erratum_a005697_off = -1;
-       int usb_mode_off = -1;
-       int usb_phy_off = -1;
-       char str[5];
-       int i, j;
-
-       for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
-               const char *dr_mode_type = NULL;
-               const char *dr_phy_type = NULL;
-               int mode_idx = -1, phy_idx = -1;
-
-               snprintf(str, 5, "%s%d", "usb", i);
-               if (hwconfig(str)) {
-                       for (j = 0; j < ARRAY_SIZE(modes); j++) {
-                               if (hwconfig_subarg_cmp(str, "dr_mode",
-                                                       modes[j])) {
-                                       mode_idx = j;
-                                       break;
-                               }
-                       }
-
-                       for (j = 0; j < ARRAY_SIZE(phys); j++) {
-                               if (hwconfig_subarg_cmp(str, "phy_type",
-                                                       phys[j])) {
-                                       phy_idx = j;
-                                       break;
-                               }
-                       }
-
-                       if (mode_idx < 0 && phy_idx < 0) {
-                               printf("WARNING: invalid phy or mode\n");
-                               return;
-                       }
-
-                       if (mode_idx > -1)
-                               dr_mode_type = modes[mode_idx];
-
-                       if (phy_idx > -1)
-                               dr_phy_type = phys[phy_idx];
-               }
-
-               if (has_dual_phy())
-                       dr_phy_type = phys[2];
-
-               usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
-                                                          dr_mode_type, NULL,
-                                                          usb_mode_off);
-
-               if (usb_mode_off < 0)
-                       return;
-
-               usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
-                                                         NULL, dr_phy_type,
-                                                         usb_phy_off);
-
-               if (usb_phy_off < 0)
-                       return;
-
-               if (has_erratum_a006261()) {
-                       usb_erratum_a006261_off =  fdt_fixup_usb_erratum
-                                                  (blob,
-                                                   "fsl,usb-erratum-a006261",
-                                                   usb_erratum_a006261_off);
-                       if (usb_erratum_a006261_off < 0)
-                               return;
-               }
-
-               if (has_erratum_a007075()) {
-                       usb_erratum_a007075_off =  fdt_fixup_usb_erratum
-                                                  (blob,
-                                                   "fsl,usb-erratum-a007075",
-                                                   usb_erratum_a007075_off);
-                       if (usb_erratum_a007075_off < 0)
-                               return;
-               }
-
-               if (has_erratum_a007792()) {
-                       usb_erratum_a007792_off =  fdt_fixup_usb_erratum
-                                                  (blob,
-                                                   "fsl,usb-erratum-a007792",
-                                                   usb_erratum_a007792_off);
-                       if (usb_erratum_a007792_off < 0)
-                               return;
-               }
-               if (has_erratum_a005697()) {
-                       usb_erratum_a005697_off =  fdt_fixup_usb_erratum
-                                                  (blob,
-                                                   "fsl,usb-erratum-a005697",
-                                                   usb_erratum_a005697_off);
-                       if (usb_erratum_a005697_off < 0)
-                               return;
-               }
-       }
-}
-#endif
index 598f444..fa5d584 100644 (file)
@@ -1615,8 +1615,8 @@ int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
        if (ret)
                goto err;
 
-       if (ops->init_after_reset) {
-               ret = ops->init_after_reset(ctrl);
+       if (ctrl->ops.init_after_reset) {
+               ret = ctrl->ops.init_after_reset(ctrl);
                if (ret)
                        goto err;
        }
index 6a6cb93..4e8a543 100644 (file)
@@ -15,6 +15,13 @@ config USB_MUSB_GADGET
 
 if USB_MUSB_HOST || USB_MUSB_GADGET
 
+config USB_MUSB_PIC32
+       bool "Enable Microchip PIC32 DRC USB controller"
+       depends on DM_USB && MACH_PIC32
+       help
+         Say y to enable PIC32 USB DRC controller support
+         if it is available on your Microchip PIC32 platform.
+
 config USB_MUSB_SUNXI
        bool "Enable sunxi OTG / DRC USB controller"
        depends on ARCH_SUNXI
index 072d516..df1c3c8 100644 (file)
@@ -10,6 +10,7 @@ obj-$(CONFIG_USB_MUSB_HOST) += musb_host.o musb_core.o musb_uboot.o
 obj-$(CONFIG_USB_MUSB_DSPS) += musb_dsps.o
 obj-$(CONFIG_USB_MUSB_AM35X) += am35x.o
 obj-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o
+obj-$(CONFIG_USB_MUSB_PIC32) += pic32.o
 obj-$(CONFIG_USB_MUSB_SUNXI) += sunxi.o
 
 ccflags-y := $(call cc-option,-Wno-unused-variable) \
index 1fc9391..9244977 100644 (file)
                printf(fmt, ##args);            \
        ret_warn; })
 
-#define writesl(a, d, s) __raw_writesl((unsigned long)a, d, s)
-#define readsl(a, d, s) __raw_readsl((unsigned long)a, d, s)
-#define writesw(a, d, s) __raw_writesw((unsigned long)a, d, s)
-#define readsw(a, d, s) __raw_readsw((unsigned long)a, d, s)
-#define writesb(a, d, s) __raw_writesb((unsigned long)a, d, s)
-#define readsb(a, d, s) __raw_readsb((unsigned long)a, d, s)
-
 #define device_init_wakeup(dev, a) do {} while (0)
 
 #define platform_data device_data
index a6d6af6..dd0443c 100644 (file)
@@ -259,7 +259,7 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
        }
 }
 
-#if !defined(CONFIG_USB_MUSB_AM35X)
+#if !defined(CONFIG_USB_MUSB_AM35X) && !defined(CONFIG_USB_MUSB_PIC32)
 /*
  * Unload an endpoint's FIFO
  */
index 233a0e4..6ce528c 100644 (file)
@@ -237,8 +237,10 @@ int musb_lowlevel_init(struct musb_host_data *host)
                if (musb_readb(mbase, MUSB_DEVCTL) & MUSB_DEVCTL_HM)
                        break;
        } while (get_timer(0) < timeout);
-       if (get_timer(0) >= timeout)
+       if (get_timer(0) >= timeout) {
+               musb_stop(host->host);
                return -ENODEV;
+       }
 
        _musb_reset_root_port(host, NULL);
        host->host->is_active = 1;
diff --git a/drivers/usb/musb-new/pic32.c b/drivers/usb/musb-new/pic32.c
new file mode 100644 (file)
index 0000000..c888c64
--- /dev/null
@@ -0,0 +1,288 @@
+/*
+ * Microchip PIC32 MUSB "glue layer"
+ *
+ * Copyright (C) 2015, Microchip Technology Inc.
+ *  Cristian Birsan <cristian.birsan@microchip.com>
+ *  Purna Chandra Mandal <purna.mandal@microchip.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ *
+ * Based on the dsps "glue layer" code.
+ */
+
+#include <common.h>
+#include <linux/usb/musb.h>
+#include "linux-compat.h"
+#include "musb_core.h"
+#include "musb_uboot.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define PIC32_TX_EP_MASK       0x0f            /* EP0 + 7 Tx EPs */
+#define PIC32_RX_EP_MASK       0x0e            /* 7 Rx EPs */
+
+#define MUSB_SOFTRST           0x7f
+#define  MUSB_SOFTRST_NRST     BIT(0)
+#define  MUSB_SOFTRST_NRSTX    BIT(1)
+
+#define USBCRCON               0
+#define  USBCRCON_USBWKUPEN    BIT(0)  /* Enable Wakeup Interrupt */
+#define  USBCRCON_USBRIE       BIT(1)  /* Enable Remote resume Interrupt */
+#define  USBCRCON_USBIE                BIT(2)  /* Enable USB General interrupt */
+#define  USBCRCON_SENDMONEN    BIT(3)  /* Enable Session End VBUS monitoring */
+#define  USBCRCON_BSVALMONEN   BIT(4)  /* Enable B-Device VBUS monitoring */
+#define  USBCRCON_ASVALMONEN   BIT(5)  /* Enable A-Device VBUS monitoring */
+#define  USBCRCON_VBUSMONEN    BIT(6)  /* Enable VBUS monitoring */
+#define  USBCRCON_PHYIDEN      BIT(7)  /* PHY ID monitoring enable */
+#define  USBCRCON_USBIDVAL     BIT(8)  /* USB ID value */
+#define  USBCRCON_USBIDOVEN    BIT(9)  /* USB ID override enable */
+#define  USBCRCON_USBWK                BIT(24) /* USB Wakeup Status */
+#define  USBCRCON_USBRF                BIT(25) /* USB Resume Status */
+#define  USBCRCON_USBIF                BIT(26) /* USB General Interrupt Status */
+
+/* PIC32 controller data */
+struct pic32_musb_data {
+       struct musb_host_data mdata;
+       struct device dev;
+       void __iomem *musb_glue;
+};
+
+#define to_pic32_musb_data(d)  \
+       container_of(d, struct pic32_musb_data, dev)
+
+static void pic32_musb_disable(struct musb *musb)
+{
+       /* no way to shut the controller */
+}
+
+static int pic32_musb_enable(struct musb *musb)
+{
+       /* soft reset by NRSTx */
+       musb_writeb(musb->mregs, MUSB_SOFTRST, MUSB_SOFTRST_NRSTX);
+       /* set mode */
+       musb_platform_set_mode(musb, musb->board_mode);
+
+       return 0;
+}
+
+static irqreturn_t pic32_interrupt(int irq, void *hci)
+{
+       struct musb  *musb = hci;
+       irqreturn_t ret = IRQ_NONE;
+       u32 epintr, usbintr;
+
+       /* ack usb core interrupts */
+       musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB);
+       if (musb->int_usb)
+               musb_writeb(musb->mregs, MUSB_INTRUSB, musb->int_usb);
+
+       /* ack endpoint interrupts */
+       musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX) & PIC32_RX_EP_MASK;
+       if (musb->int_rx)
+               musb_writew(musb->mregs, MUSB_INTRRX, musb->int_rx);
+
+       musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX) & PIC32_TX_EP_MASK;
+       if (musb->int_tx)
+               musb_writew(musb->mregs, MUSB_INTRTX, musb->int_tx);
+
+       /* drop spurious RX and TX if device is disconnected */
+       if (musb->int_usb & MUSB_INTR_DISCONNECT) {
+               musb->int_tx = 0;
+               musb->int_rx = 0;
+       }
+
+       if (musb->int_tx || musb->int_rx || musb->int_usb)
+               ret = musb_interrupt(musb);
+
+       return ret;
+}
+
+static int pic32_musb_set_mode(struct musb *musb, u8 mode)
+{
+       struct device *dev = musb->controller;
+       struct pic32_musb_data *pdata = to_pic32_musb_data(dev);
+
+       switch (mode) {
+       case MUSB_HOST:
+               clrsetbits_le32(pdata->musb_glue + USBCRCON,
+                               USBCRCON_USBIDVAL, USBCRCON_USBIDOVEN);
+               break;
+       case MUSB_PERIPHERAL:
+               setbits_le32(pdata->musb_glue + USBCRCON,
+                            USBCRCON_USBIDVAL | USBCRCON_USBIDOVEN);
+               break;
+       case MUSB_OTG:
+               dev_err(dev, "support for OTG is unimplemented\n");
+               break;
+       default:
+               dev_err(dev, "unsupported mode %d\n", mode);
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int pic32_musb_init(struct musb *musb)
+{
+       struct pic32_musb_data *pdata = to_pic32_musb_data(musb->controller);
+       u32 ctrl, hwvers;
+       u8 power;
+
+       /* Returns zero if not clocked */
+       hwvers = musb_read_hwvers(musb->mregs);
+       if (!hwvers)
+               return -ENODEV;
+
+       /* Reset the musb */
+       power = musb_readb(musb->mregs, MUSB_POWER);
+       power = power | MUSB_POWER_RESET;
+       musb_writeb(musb->mregs, MUSB_POWER, power);
+       mdelay(100);
+
+       /* Start the on-chip PHY and its PLL. */
+       power = power & ~MUSB_POWER_RESET;
+       musb_writeb(musb->mregs, MUSB_POWER, power);
+
+       musb->isr = pic32_interrupt;
+
+       ctrl =  USBCRCON_USBIF | USBCRCON_USBRF |
+               USBCRCON_USBWK | USBCRCON_USBIDOVEN |
+               USBCRCON_PHYIDEN | USBCRCON_USBIE |
+               USBCRCON_USBRIE | USBCRCON_USBWKUPEN |
+               USBCRCON_VBUSMONEN;
+       writel(ctrl, pdata->musb_glue + USBCRCON);
+
+       return 0;
+}
+
+/* PIC32 supports only 32bit read operation */
+void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
+{
+       void __iomem *fifo = hw_ep->fifo;
+       u32 val, rem = len % 4;
+
+       /* USB stack ensures dst is always 32bit aligned. */
+       readsl(fifo, dst, len / 4);
+       if (rem) {
+               dst += len & ~0x03;
+               val = musb_readl(fifo, 0);
+               memcpy(dst, &val, rem);
+       }
+}
+
+const struct musb_platform_ops pic32_musb_ops = {
+       .init           = pic32_musb_init,
+       .set_mode       = pic32_musb_set_mode,
+       .disable        = pic32_musb_disable,
+       .enable         = pic32_musb_enable,
+};
+
+/* PIC32 default FIFO config - fits in 8KB */
+static struct musb_fifo_cfg pic32_musb_fifo_config[] = {
+       { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, },
+       { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, },
+       { .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, },
+       { .hw_ep_num = 2, .style = FIFO_RX, .maxpacket = 512, },
+       { .hw_ep_num = 3, .style = FIFO_TX, .maxpacket = 512, },
+       { .hw_ep_num = 3, .style = FIFO_RX, .maxpacket = 512, },
+       { .hw_ep_num = 4, .style = FIFO_TX, .maxpacket = 512, },
+       { .hw_ep_num = 4, .style = FIFO_RX, .maxpacket = 512, },
+       { .hw_ep_num = 5, .style = FIFO_TX, .maxpacket = 512, },
+       { .hw_ep_num = 5, .style = FIFO_RX, .maxpacket = 512, },
+       { .hw_ep_num = 6, .style = FIFO_TX, .maxpacket = 512, },
+       { .hw_ep_num = 6, .style = FIFO_RX, .maxpacket = 512, },
+       { .hw_ep_num = 7, .style = FIFO_TX, .maxpacket = 512, },
+       { .hw_ep_num = 7, .style = FIFO_RX, .maxpacket = 512, },
+};
+
+static struct musb_hdrc_config pic32_musb_config = {
+       .fifo_cfg       = pic32_musb_fifo_config,
+       .fifo_cfg_size  = ARRAY_SIZE(pic32_musb_fifo_config),
+       .multipoint     = 1,
+       .dyn_fifo       = 1,
+       .num_eps        = 8,
+       .ram_bits       = 11,
+};
+
+/* PIC32 has one MUSB controller which can be host or gadget */
+static struct musb_hdrc_platform_data pic32_musb_plat = {
+       .mode           = MUSB_HOST,
+       .config         = &pic32_musb_config,
+       .power          = 250,          /* 500mA */
+       .platform_ops   = &pic32_musb_ops,
+};
+
+static int musb_usb_probe(struct udevice *dev)
+{
+       struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
+       struct pic32_musb_data *pdata = dev_get_priv(dev);
+       struct musb_host_data *mdata = &pdata->mdata;
+       struct fdt_resource mc, glue;
+       void *fdt = (void *)gd->fdt_blob;
+       int node = dev->of_offset;
+       void __iomem *mregs;
+       int ret;
+
+       priv->desc_before_addr = true;
+
+       ret = fdt_get_named_resource(fdt, node, "reg", "reg-names",
+                                    "mc", &mc);
+       if (ret < 0) {
+               printf("pic32-musb: resource \"mc\" not found\n");
+               return ret;
+       }
+
+       ret = fdt_get_named_resource(fdt, node, "reg", "reg-names",
+                                    "control", &glue);
+       if (ret < 0) {
+               printf("pic32-musb: resource \"control\" not found\n");
+               return ret;
+       }
+
+       mregs = ioremap(mc.start, fdt_resource_size(&mc));
+       pdata->musb_glue = ioremap(glue.start, fdt_resource_size(&glue));
+
+       /* init controller */
+#ifdef CONFIG_USB_MUSB_HOST
+       mdata->host = musb_init_controller(&pic32_musb_plat,
+                                          &pdata->dev, mregs);
+       if (!mdata->host)
+               return -EIO;
+
+       ret = musb_lowlevel_init(mdata);
+#else
+       pic32_musb_plat.mode = MUSB_PERIPHERAL;
+       ret = musb_register(&pic32_musb_plat, &pdata->dev, mregs);
+#endif
+       if (ret == 0)
+               printf("PIC32 MUSB OTG\n");
+
+       return ret;
+}
+
+static int musb_usb_remove(struct udevice *dev)
+{
+       struct pic32_musb_data *pdata = dev_get_priv(dev);
+
+       musb_stop(pdata->mdata.host);
+
+       return 0;
+}
+
+static const struct udevice_id pic32_musb_ids[] = {
+       { .compatible = "microchip,pic32mzda-usb" },
+       { }
+};
+
+U_BOOT_DRIVER(usb_musb) = {
+       .name           = "pic32-musb",
+       .id             = UCLASS_USB,
+       .of_match       = pic32_musb_ids,
+       .probe          = musb_usb_probe,
+       .remove         = musb_usb_remove,
+#ifdef CONFIG_USB_MUSB_HOST
+       .ops            = &musb_usb_ops,
+#endif
+       .platdata_auto_alloc_size = sizeof(struct usb_platdata),
+       .priv_auto_alloc_size = sizeof(struct pic32_musb_data),
+};
index be1d2ec..3081afc 100644 (file)
@@ -201,6 +201,7 @@ static irqreturn_t sunxi_musb_interrupt(int irq, void *__hci)
 
 /* musb_core does not call enable / disable in a balanced manner <sigh> */
 static bool enabled = false;
+static struct musb *sunxi_musb;
 
 static int sunxi_musb_enable(struct musb *musb)
 {
@@ -320,13 +321,15 @@ int musb_usb_probe(struct udevice *dev)
 
        priv->desc_before_addr = true;
 
-       if (!host->host) {
-               host->host = musb_init_controller(&musb_plat, NULL,
+       if (!sunxi_musb) {
+               sunxi_musb = musb_init_controller(&musb_plat, NULL,
                                                  (void *)SUNXI_USB0_BASE);
-               if (!host->host)
-                       return -EIO;
        }
 
+       host->host = sunxi_musb;
+       if (!host->host)
+               return -EIO;
+
        ret = musb_lowlevel_init(host);
        if (ret == 0)
                printf("MUSB OTG\n");
index 3ea1194..78faaec 100644 (file)
 #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
  */
 
 #define BOOT_TARGET_DEVICES(func)      \
        func(MMC, mmc, 0)               \
+       func(USB, usb, 0)               \
        func(DHCP, dhcp, na)
 
 #include <config_distro_bootcmd.h>
index 296add0..d34e959 100644 (file)
@@ -113,11 +113,11 @@ void fdt_fixup_qe_firmware(void *fdt);
  */
 int fdt_fixup_display(void *blob, const char *path, const char *display);
 
-#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
+#if defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL)
 void fdt_fixup_dr_usb(void *blob, bd_t *bd);
 #else
 static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
-#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
+#endif /* defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL) */
 
 #if defined(CONFIG_SYS_FSL_SEC_COMPAT)
 void fdt_fixup_crypto_node(void *blob, int sec_rev);