More cleanup for the delta board and the generic usb_ohci driver. Added

CFG_USB_BOARD_INIT and CFG_USB_CPU_INIT for enabling board and cpu specific
initialization and cleanup hooks respectively.

diff --git a/board/delta/delta.c b/board/delta/delta.c
index d9fe8cb..6e22774 100644 (file)
--- a/board/delta/delta.c
+++ b/board/delta/delta.c
@@ -1,10 +1,6 @@
 /*
- * (C) Copyright 2002
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
+ * (C) Copyright 2006
+ * DENX Software Engineering
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -98,53 +94,6 @@ int board_late_init(void)
        return 0;
 }
 
-
-/* board dependant usb stuff */
-int usb_board_init()
-{
-       /*
-        * Enable USB host clock.
-        */
-       CKENA |= (CKENA_2_USBHOST |  CKENA_20_UDC);
-       udelay(100);
-
-       /* Configure Port 2 for Host (USB Client Registers) */
-       UP2OCR = 0x3000c;
-
-#if 0
-       GPIO2_2 = 0x801; /* USBHPEN - Alt. Fkt. 1 */
-       GPIO3_2 = 0x801; /* USBHPWR - Alt. Fkt. 1 */
-#endif
-
-       UHCHR |= UHCHR_FHR;
-       wait_ms(11);    /* udelay(11); */
-       UHCHR &= ~UHCHR_FHR;
-
-       UHCHR |= UHCHR_FSBIR;
-       while (UHCHR & UHCHR_FSBIR)
-               udelay(1);
-
-#if 0
-       UHCHR |= UHCHR_PCPL; /* USBHPEN is active low */
-       UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */
-#endif
-
-       UHCHR &= ~UHCHR_SSEP0;
-       UHCHR &= ~UHCHR_SSEP1;
-       UHCHR &= ~UHCHR_SSE;
-
-       return 0;
-}
-
-int usb_board_stop()
-{
-       /* may not want to do this */
-       /* CKENA &= ~(CKENA_2_USBHOST |  CKENA_20_UDC); */
-
-       return 0;
-}
-
-
 /*
  * Magic Key Handling, mainly copied from board/lwmon/lwmon.c
  */

diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile
index 1af53d6..bd476f1 100644 (file)
--- a/cpu/pxa/Makefile
+++ b/cpu/pxa/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB    = lib$(CPU).a
 
 START  = start.o
-OBJS   = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o
+OBJS   = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o usb.o
 
 all:   .depend $(START) $(LIB)
 

diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c
new file mode 100644 (file)
index 0000000..e89391c
--- /dev/null
+++ b/cpu/pxa/usb.c
@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2006
+ * Markus Klotzbuecher, DENX Software Engineering <mk@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/pxa-regs.h>
+
+#ifdef CFG_USB_CPU_INIT
+# ifdef CONFIG_CPU_MONAHANS
+int usb_cpu_init()
+{
+       /* Enable USB host clock. */
+       CKENA |= (CKENA_2_USBHOST |  CKENA_20_UDC);
+       udelay(100);
+
+       /* Configure Port 2 for Host (USB Client Registers) */
+       UP2OCR = 0x3000c;
+
+#if 0
+       GPIO2_2 = 0x801; /* USBHPEN - Alt. Fkt. 1 */
+       GPIO3_2 = 0x801; /* USBHPWR - Alt. Fkt. 1 */
+#endif
+
+       UHCHR |= UHCHR_FHR;
+       wait_ms(11);
+       UHCHR &= ~UHCHR_FHR;
+
+       UHCHR |= UHCHR_FSBIR;
+       while (UHCHR & UHCHR_FSBIR)
+               udelay(1);
+
+#if 0
+       UHCHR |= UHCHR_PCPL; /* USBHPEN is active low */
+       UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */
+#endif
+
+       UHCHR &= ~UHCHR_SSEP0;
+       UHCHR &= ~UHCHR_SSEP1;
+       UHCHR &= ~UHCHR_SSE;
+
+       return 0;
+}
+
+int usb_cpu_stop()
+{
+       /* may not want to do this */
+       /* CKENA &= ~(CKENA_2_USBHOST |  CKENA_20_UDC); */
+
+       return 0;
+}
+# endif /* CONFIG_CPU_MONAHANS */
+#endif /* CFG_USB_CPU_INIT */

diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c
index 4065489..f5af719 100644 (file)
--- a/drivers/usb_ohci.c
+++ b/drivers/usb_ohci.c
@@ -51,7 +51,10 @@
 #include <usb.h>
 #include "usb_ohci.h"
 
-/* #define OHCI_USE_NPS                /\* force NoPowerSwitching mode *\/ */
+#ifdef CONFIG_ARM920T
+# define OHCI_USE_NPS          /* force NoPowerSwitching mode */
+#endif
+
 #undef OHCI_VERBOSE_DEBUG      /* not always helpful */
 
 /* For initializing controller (mask in an HCFS mode too) */
@@ -311,9 +314,6 @@ static void ohci_dump_roothub (ohci_t *controller, int verbose)
 #ifdef CONFIG_AT91C_PQFP_UHPBUG
        ndp = (ndp == 2) ? 1:0;
 #endif
-#if 0 /* def CONFIG_CPU_MONAHANS */
-               data_buf [2] = (data_buf [2] == 2) ? 3:0;
-#endif
        if (verbose) {
                dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp,
                        ((temp & RH_A_POTPGT) >> 24) & 0xff,
@@ -1150,19 +1150,13 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
 #ifdef CONFIG_AT91C_PQFP_UHPBUG
                data_buf [2] = (data_buf [2] == 2) ? 1:0;
 #endif
-#if 0 /* def CONFIG_CPU_MONAHANS */
-               data_buf [2] = (data_buf [2] == 2) ? 3:0;
-#endif
-
                data_buf [3] = 0;
                if (temp & RH_A_PSM)    /* per-port power switching? */
                        data_buf [3] |= 0x1;
                if (temp & RH_A_NOCP)   /* no overcurrent reporting? */
                        data_buf [3] |= 0x10;
-#if 1
                else if (temp & RH_A_OCPM)      /* per-port overcurrent reporting? */
                        data_buf [3] |= 0x8;
-#endif
 
                /* corresponds to data_buf[4-7] */
                datab [1] = 0;
@@ -1557,10 +1551,18 @@ static char ohci_inited = 0;
 
 int usb_lowlevel_init(void)
 {
-       /* do board dependant init */
-       if(usb_board_init())
+
+#if CFG_USB_CPU_INIT
+       /* cpu dependant init */
+       if(usb_cpu_init())
                return -1;
+#endif
 
+#if CFG_USB_BOARD_INIT
+       /*  board dependant init */
+       if(usb_board_init())
+               return -1;
+#endif
        memset (&gohci, 0, sizeof (ohci_t));
        memset (&urb_priv, 0, sizeof (urb_priv_t));
 
@@ -1588,28 +1590,43 @@ int usb_lowlevel_init(void)
        gohci.disabled = 1;
        gohci.sleeping = 0;
        gohci.irq = -1;
-       gohci.regs = (struct ohci_regs *)OHCI_REGS_BASE;
+       gohci.regs = (struct ohci_regs *)CFG_USB_OHCI_REGS_BASE;
 
        gohci.flags = 0;
-       gohci.slot_name = "delta/zylonite";
+       gohci.slot_name = CFG_USB_SLOT_NAME;
 
        if (hc_reset (&gohci) < 0) {
                hc_release_ohci (&gohci);
                err ("can't reset usb-%s", gohci.slot_name);
                /* Initialization failed disable clocks */
-               CKENA &= ~(CKENA_2_USBHOST |  CKENA_20_UDC);
+#if CFG_USB_BOARD_INIT
+               /* board dependant cleanup */
+               usb_board_stop();
+#endif
+
+#if CFG_USB_CPU_INIT
+               /* cpu dependant cleanup */
+               usb_cpu_stop();
+#endif
                return -1;
        }
 
        /* FIXME this is a second HC reset; why?? */
        /* writel(gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control);
           wait_ms(10); */
-
        if (hc_start (&gohci) < 0) {
                err ("can't start usb-%s", gohci.slot_name);
                hc_release_ohci (&gohci);
                /* Initialization failed */
-               CKENA &= ~(CKENA_2_USBHOST |  CKENA_20_UDC);
+#if CFG_USB_BOARD_INIT
+               /* board dependant cleanup */
+               usb_board_stop();
+#endif
+
+#if CFG_USB_CPU_INIT
+               /* cpu dependant cleanup */
+               usb_cpu_stop();
+#endif
                return -1;
        }
 
@@ -1632,9 +1649,17 @@ int usb_lowlevel_stop(void)
        /* call hc_release_ohci() here ? */
        hc_reset (&gohci);
 
+#if CFG_USB_BOARD_INIT
        /* board dependant cleanup */
        if(usb_board_stop())
                return -1;
+#endif
+
+#if CFG_USB_CPU_INIT
+       /* cpu dependant cleanup */
+       if(usb_cpu_stop())
+               return -1;
+#endif
 
        return 0;
 }

diff --git a/drivers/usb_ohci.h b/drivers/usb_ohci.h
index 7a1d9d9..c37b5f6 100644 (file)
--- a/drivers/usb_ohci.h
+++ b/drivers/usb_ohci.h
@@ -8,8 +8,16 @@
  */
 
 /* functions for doing board specific setup/cleanup */
+#ifdef CFG_USB_BOARD_INIT
 extern int usb_board_init(void);
 extern int usb_board_stop(void);
+#endif
+
+#ifdef CFG_USB_CPU_INIT
+extern int usb_cpu_init(void);
+extern int usb_cpu_stop(void);
+#endif
+
 
 static int cc_to_error[16] = {
 

diff --git a/include/configs/delta.h b/include/configs/delta.h
index 0423bcb..e6b05e0 100644 (file)
--- a/include/configs/delta.h
+++ b/include/configs/delta.h
@@ -102,13 +102,17 @@
                                     | CFG_CMD_IMLS))
 #endif
 
-
+/* USB */
 #define CONFIG_USB_OHCI         1
 #define CONFIG_USB_STORAGE      1
 #define CONFIG_DOS_PARTITION    1
 
-#define LITTLEENDIAN            1       /* used by usb_ohci.c  */
+#undef CFG_USB_BOARD_INIT
+#define CFG_USB_CPU_INIT       1
+#define CFG_USB_OHCI_REGS_BASE OHCI_REGS_BASE
+#define CFG_USB_SLOT_NAME      "delta"
 
+#define LITTLEENDIAN            1       /* used by usb_ohci.c  */
 
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>