ARM: OMAP: Sync core code with linux-omap

This patch syncs omap specific core code with linux-omap.
Most of the changes are needed to fix bitrot caused by
driver updates in linux-omap tree.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

8 files changed, 345 insertions, 94 deletions

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index ce8bc3304e19..a347fb5946c7 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -62,6 +62,14 @@ config OMAP_MUX_WARNINGS
           to change the pin multiplexing setup.  When there are no warnings
           printed, it's safe to deselect OMAP_MUX for your product.
 
+config OMAP_MCBSP
+        bool "McBSP support"
+        depends on ARCH_OMAP
+        default y
+        help
+          Say Y here if you want support for the OMAP Multichannel
+          Buffered Serial Port.
+
 choice
         prompt "System timer"
         default OMAP_MPU_TIMER
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 4ce277d3485a..41a3c1cf3bd4 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -3,7 +3,8 @@
 #
 
 # Common support
-obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o fb.o
+obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o \
+         usb.o fb.o
 obj-m :=
 obj-n :=
 obj-  :=
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 57b7b93674a4..ffb94aa164ad 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -93,8 +93,12 @@ static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out)
          * in the kernel. */
         for (i = 0; i < omap_board_config_size; i++) {
                 if (omap_board_config[i].tag == tag) {
-                        kinfo = &omap_board_config[i];
-                        break;
+                        if (skip == 0) {
+                                kinfo = &omap_board_config[i];
+                                break;
+                        } else {
+                                skip--;
+                        }
                 }
         }
         if (kinfo == NULL)
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index eeb33fed6f7c..2fac7d3f2af3 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -25,7 +25,71 @@
 #include <asm/arch/gpio.h>
 #include <asm/arch/menelaus.h>
 
-#if     defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+#if     defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
+
+#include "../plat-omap/dsp/dsp_common.h"
+
+static struct dsp_platform_data dsp_pdata = {
+        .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
+};
+
+static struct resource omap_dsp_resources[] = {
+        {
+                .name   = "dsp_mmu",
+                .start  = -1,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device omap_dsp_device = {
+        .name           = "dsp",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(omap_dsp_resources),
+        .resource       = omap_dsp_resources,
+        .dev = {
+                .platform_data = &dsp_pdata,
+        },
+};
+
+static inline void omap_init_dsp(void)
+{
+        struct resource *res;
+        int irq;
+
+        if (cpu_is_omap15xx())
+                irq = INT_1510_DSP_MMU;
+        else if (cpu_is_omap16xx())
+                irq = INT_1610_DSP_MMU;
+        else if (cpu_is_omap24xx())
+                irq = INT_24XX_DSP_MMU;
+
+        res = platform_get_resource_byname(&omap_dsp_device,
+                                           IORESOURCE_IRQ, "dsp_mmu");
+        res->start = irq;
+
+        platform_device_register(&omap_dsp_device);
+}
+
+int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
+{
+        static DEFINE_MUTEX(dsp_pdata_lock);
+
+        mutex_init(&kdev->lock);
+
+        mutex_lock(&dsp_pdata_lock);
+        list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
+        mutex_unlock(&dsp_pdata_lock);
+
+        return 0;
+}
+EXPORT_SYMBOL(dsp_kfunc_device_register);
+
+#else
+static inline void omap_init_dsp(void) { }
+#endif  /* CONFIG_OMAP_DSP */
+
+/*-------------------------------------------------------------------------*/
+#if     defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
 
 #define OMAP1_I2C_BASE          0xfffb3800
 #define OMAP2_I2C_BASE1         0x48070000
@@ -376,7 +440,7 @@ static inline void omap_init_wdt(void) {}
 
 /*-------------------------------------------------------------------------*/
 
-#if     defined(CONFIG_OMAP_RNG) || defined(CONFIG_OMAP_RNG_MODULE)
+#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
 
 #ifdef CONFIG_ARCH_OMAP24XX
 #define OMAP_RNG_BASE           0x480A0000
@@ -436,6 +500,7 @@ static int __init omap_init_devices(void)
         /* please keep these calls, and their implementations above,
          * in alphabetical order so they're easier to sort through.
          */
+        omap_init_dsp();
         omap_init_i2c();
         omap_init_kp();
         omap_init_mmc();
@@ -446,4 +511,3 @@ static int __init omap_init_devices(void)
         return 0;
 }
 arch_initcall(omap_init_devices);
-
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 659619f235ca..36073dfaa4db 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -372,7 +372,7 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 
         /* When the functional clock disappears, too quick writes seem to
          * cause an abort. */
-        __delay(15000);
+        __delay(150000);
 }
 
 #endif
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index 91ebdafcca39..a302d9194f57 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -1,3 +1,26 @@
+/*
+ * File: arch/arm/plat-omap/fb.c
+ *
+ * Framebuffer device registration for TI OMAP platforms
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ *
+ * 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 <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -34,25 +57,42 @@ static struct platform_device omap_fb_device = {
 void omapfb_reserve_mem(void)
 {
         const struct omap_fbmem_config *fbmem_conf;
+        unsigned long total_size;
+        int i;
+
+        if (!omap_fb_sram_valid) {
+                /* FBMEM SRAM configuration was already found to be invalid.
+                 * Ignore the whole configuration block. */
+                omapfb_config.mem_desc.region_cnt = 0;
+                return;
+        }
+
+        i = 0;
+        total_size = 0;
+        while ((fbmem_conf = omap_get_nr_config(OMAP_TAG_FBMEM,
+                                struct omap_fbmem_config, i)) != NULL) {
+                unsigned long start;
+                unsigned long size;
 
-        omapfb_config.fbmem.fb_sram_start = omap_fb_sram_start;
-        omapfb_config.fbmem.fb_sram_size = omap_fb_sram_size;
-
-        fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config);
-
-        if (fbmem_conf != NULL) {
-                /* indicate that the bootloader already initialized the
-                 * fb device, so we'll skip that part in the fb driver
-                 */
-                omapfb_config.fbmem.fb_sdram_start = fbmem_conf->fb_sdram_start;
-                omapfb_config.fbmem.fb_sdram_size = fbmem_conf->fb_sdram_size;
-                if (fbmem_conf->fb_sdram_size) {
-                        pr_info("Reserving %u bytes SDRAM for frame buffer\n",
-                                fbmem_conf->fb_sdram_size);
-                        reserve_bootmem(fbmem_conf->fb_sdram_start,
-                                        fbmem_conf->fb_sdram_size);
+                if (i == OMAPFB_PLANE_NUM) {
+                        printk(KERN_ERR "ignoring extra plane info\n");
+                        break;
                 }
+                start = fbmem_conf->start;
+                size  = fbmem_conf->size;
+                omapfb_config.mem_desc.region[i].paddr = start;
+                omapfb_config.mem_desc.region[i].size = size;
+                if (omap_fb_sram_plane != i && start) {
+                        reserve_bootmem(start, size);
+                        total_size += size;
+                }
+                i++;
         }
+        omapfb_config.mem_desc.region_cnt = i;
+        if (total_size)
+                pr_info("Reserving %lu bytes SDRAM for frame buffer\n",
+                         total_size);
+
 }
 
 void omapfb_set_ctrl_platform_data(void *data)
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 19014b2ff4c6..7e5f8877e051 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -46,12 +46,13 @@
 
 #define ROUND_DOWN(value,boundary)      ((value) & (~((boundary)-1)))
 
+static unsigned long omap_sram_start;
 static unsigned long omap_sram_base;
 static unsigned long omap_sram_size;
 static unsigned long omap_sram_ceil;
 
-unsigned long omap_fb_sram_start;
-unsigned long omap_fb_sram_size;
+int     omap_fb_sram_plane = -1;
+int     omap_fb_sram_valid;
 
 /* Depending on the target RAMFS firewall setup, the public usable amount of
  * SRAM varies.  The default accessable size for all device types is 2k. A GP
@@ -77,30 +78,43 @@ static int is_sram_locked(void)
                 return 1; /* assume locked with no PPA or security driver */
 }
 
-void get_fb_sram_conf(unsigned long start_avail, unsigned size_avail,
-                      unsigned long *start, unsigned long *size)
+static int get_fb_sram_conf(unsigned long start_avail, unsigned size_avail,
+                              unsigned long *start, int *plane_idx)
 {
         const struct omap_fbmem_config *fbmem_conf;
-
-        fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config);
-        if (fbmem_conf != NULL) {
-                *start = fbmem_conf->fb_sram_start;
-                *size = fbmem_conf->fb_sram_size;
-        } else {
-                *size = 0;
-                *start = 0;
+        unsigned long size = 0;
+        int i;
+
+        i = 0;
+        *start = 0;
+        *plane_idx = -1;
+        while ((fbmem_conf = omap_get_nr_config(OMAP_TAG_FBMEM,
+                                struct omap_fbmem_config, i)) != NULL) {
+                u32 paddr, end;
+
+                paddr = fbmem_conf->start;
+                end = fbmem_conf->start + fbmem_conf->size;
+                if (paddr > omap_sram_start &&
+                    paddr < omap_sram_start + omap_sram_size) {
+                        if (*plane_idx != -1 || paddr < start_avail ||
+                            paddr == end ||
+                            end > start_avail + size_avail) {
+                                printk(KERN_ERR "invalid FB SRAM configuration");
+                                *start = 0;
+                                return -1;
+                        }
+                        *plane_idx = i;
+                        *start = fbmem_conf->start;
+                        size = fbmem_conf->size;
+                }
+                i++;
         }
 
-        if (*size && (
-            *start < start_avail ||
-            *start + *size > start_avail + size_avail)) {
-                printk(KERN_ERR "invalid FB SRAM configuration\n");
-                *start = start_avail;
-                *size = size_avail;
-        }
+        if (*plane_idx >= 0)
+                pr_info("Reserving %lu bytes SRAM frame buffer "
+                        "for plane %d\n", size, *plane_idx);
 
-        if (*size)
-                pr_info("Reserving %lu bytes SRAM for frame buffer\n", *size);
+        return 0;
 }
 
 /*
@@ -111,16 +125,16 @@ void get_fb_sram_conf(unsigned long start_avail, unsigned size_avail,
  */
 void __init omap_detect_sram(void)
 {
-        unsigned long sram_start;
+        unsigned long fb_sram_start;
 
         if (cpu_is_omap24xx()) {
                 if (is_sram_locked()) {
                         omap_sram_base = OMAP2_SRAM_PUB_VA;
-                        sram_start = OMAP2_SRAM_PUB_PA;
+                        omap_sram_start = OMAP2_SRAM_PUB_PA;
                         omap_sram_size = 0x800; /* 2K */
                 } else {
                         omap_sram_base = OMAP2_SRAM_VA;
-                        sram_start = OMAP2_SRAM_PA;
+                        omap_sram_start = OMAP2_SRAM_PA;
                         if (cpu_is_omap242x())
                                 omap_sram_size = 0xa0000; /* 640K */
                         else if (cpu_is_omap243x())
@@ -128,7 +142,7 @@ void __init omap_detect_sram(void)
                 }
         } else {
                 omap_sram_base = OMAP1_SRAM_VA;
-                sram_start = OMAP1_SRAM_PA;
+                omap_sram_start = OMAP1_SRAM_PA;
 
                 if (cpu_is_omap730())
                         omap_sram_size = 0x32000;       /* 200K */
@@ -144,12 +158,13 @@ void __init omap_detect_sram(void)
                         omap_sram_size = 0x4000;
                 }
         }
-        get_fb_sram_conf(sram_start + SRAM_BOOTLOADER_SZ,
-                         omap_sram_size - SRAM_BOOTLOADER_SZ,
-                         &omap_fb_sram_start, &omap_fb_sram_size);
-        if (omap_fb_sram_size)
-                omap_sram_size -= sram_start + omap_sram_size -
-                                  omap_fb_sram_start;
+        if (get_fb_sram_conf(omap_sram_start + SRAM_BOOTLOADER_SZ,
+                            omap_sram_size - SRAM_BOOTLOADER_SZ,
+                            &fb_sram_start, &omap_fb_sram_plane) == 0)
+                omap_fb_sram_valid = 1;
+        if (omap_fb_sram_valid && omap_fb_sram_plane >= 0)
+                omap_sram_size -= omap_sram_start + omap_sram_size -
+                                  fb_sram_start;
         omap_sram_ceil = omap_sram_base + omap_sram_size;
 }
 
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index 7e8096809be2..25489aafb113 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -37,9 +37,27 @@
 #include <asm/arch/usb.h>
 #include <asm/arch/board.h>
 
+#ifdef CONFIG_ARCH_OMAP1
+
+#define INT_USB_IRQ_GEN         IH2_BASE + 20
+#define INT_USB_IRQ_NISO        IH2_BASE + 30
+#define INT_USB_IRQ_ISO         IH2_BASE + 29
+#define INT_USB_IRQ_HGEN        INT_USB_HHC_1
+#define INT_USB_IRQ_OTG         IH2_BASE + 8
+
+#else
+
+#define INT_USB_IRQ_GEN         INT_24XX_USB_IRQ_GEN
+#define INT_USB_IRQ_NISO        INT_24XX_USB_IRQ_NISO
+#define INT_USB_IRQ_ISO         INT_24XX_USB_IRQ_ISO
+#define INT_USB_IRQ_HGEN        INT_24XX_USB_IRQ_HGEN
+#define INT_USB_IRQ_OTG         INT_24XX_USB_IRQ_OTG
+
+#endif
+
+
 /* These routines should handle the standard chip-specific modes
  * for usb0/1/2 ports, covering basic mux and transceiver setup.
- * Call omap_usb_init() once, from INIT_MACHINE().
  *
  * Some board-*.c files will need to set up additional mux options,
  * like for suspend handling, vbus sensing, GPIOs, and the D+ pullup.
@@ -96,19 +114,26 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
 {
         u32     syscon1 = 0;
 
+        if (cpu_is_omap24xx())
+                CONTROL_DEVCONF_REG &= ~USBT0WRMODEI(USB_BIDIR_TLL);
+
         if (nwires == 0) {
-                if (!cpu_is_omap15xx()) {
+                if (cpu_class_is_omap1() && !cpu_is_omap15xx()) {
                         /* pulldown D+/D- */
                         USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1);
                 }
                 return 0;
         }
 
-        if (is_device)
-                omap_cfg_reg(W4_USB_PUEN);
+        if (is_device) {
+                if (cpu_is_omap24xx())
+                        omap_cfg_reg(J20_24XX_USB0_PUEN);
+                else
+                        omap_cfg_reg(W4_USB_PUEN);
+        }
 
-        /* internal transceiver */
-        if (nwires == 2) {
+        /* internal transceiver (unavailable on 17xx, 24xx) */
+        if (!cpu_class_is_omap2() && nwires == 2) {
                 // omap_cfg_reg(P9_USB_DP);
                 // omap_cfg_reg(R8_USB_DM);
 
@@ -136,29 +161,50 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
                 return 0;
         }
 
-        omap_cfg_reg(V6_USB0_TXD);
-        omap_cfg_reg(W9_USB0_TXEN);
-        omap_cfg_reg(W5_USB0_SE0);
+        if (cpu_is_omap24xx()) {
+                omap_cfg_reg(K18_24XX_USB0_DAT);
+                omap_cfg_reg(K19_24XX_USB0_TXEN);
+                omap_cfg_reg(J14_24XX_USB0_SE0);
+                if (nwires != 3)
+                        omap_cfg_reg(J18_24XX_USB0_RCV);
+        } else {
+                omap_cfg_reg(V6_USB0_TXD);
+                omap_cfg_reg(W9_USB0_TXEN);
+                omap_cfg_reg(W5_USB0_SE0);
+                if (nwires != 3)
+                        omap_cfg_reg(Y5_USB0_RCV);
+        }
 
-        /* NOTE:  SPEED and SUSP aren't configured here */
+        /* NOTE:  SPEED and SUSP aren't configured here.  OTG hosts
+         * may be able to use I2C requests to set those bits along
+         * with VBUS switching and overcurrent detction.
+         */
 
-        if (nwires != 3)
-                omap_cfg_reg(Y5_USB0_RCV);
-        if (nwires != 6)
+        if (cpu_class_is_omap1() && nwires != 6)
                 USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
 
         switch (nwires) {
         case 3:
                 syscon1 = 2;
+                if (cpu_is_omap24xx())
+                        CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
                 break;
         case 4:
                 syscon1 = 1;
+                if (cpu_is_omap24xx())
+                        CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
                 break;
         case 6:
                 syscon1 = 3;
-                omap_cfg_reg(AA9_USB0_VP);
-                omap_cfg_reg(R9_USB0_VM);
-                USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
+                if (cpu_is_omap24xx()) {
+                        omap_cfg_reg(J19_24XX_USB0_VP);
+                        omap_cfg_reg(K20_24XX_USB0_VM);
+                        CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_UNIDIR);
+                } else {
+                        omap_cfg_reg(AA9_USB0_VP);
+                        omap_cfg_reg(R9_USB0_VM);
+                        USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
+                }
                 break;
         default:
                 printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
@@ -171,14 +217,22 @@ static u32 __init omap_usb1_init(unsigned nwires)
 {
         u32     syscon1 = 0;
 
-        if (nwires != 6 && !cpu_is_omap15xx())
+        if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
                 USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R;
+        if (cpu_is_omap24xx())
+                CONTROL_DEVCONF_REG &= ~USBT1WRMODEI(USB_BIDIR_TLL);
+
         if (nwires == 0)
                 return 0;
 
         /* external transceiver */
-        omap_cfg_reg(USB1_TXD);
-        omap_cfg_reg(USB1_TXEN);
+        if (cpu_class_is_omap1()) {
+                omap_cfg_reg(USB1_TXD);
+                omap_cfg_reg(USB1_TXEN);
+                if (nwires != 3)
+                        omap_cfg_reg(USB1_RCV);
+        }
+
         if (cpu_is_omap15xx()) {
                 omap_cfg_reg(USB1_SEO);
                 omap_cfg_reg(USB1_SPEED);
@@ -190,20 +244,38 @@ static u32 __init omap_usb1_init(unsigned nwires)
         } else if (cpu_is_omap1710()) {
                 omap_cfg_reg(R13_1710_USB1_SE0);
                 // SUSP
+        } else if (cpu_is_omap24xx()) {
+                /* NOTE:  board-specific code must set up pin muxing for usb1,
+                 * since each signal could come out on either of two balls.
+                 */
         } else {
-                pr_debug("usb unrecognized\n");
+                pr_debug("usb%d cpu unrecognized\n", 1);
+                return 0;
         }
-        if (nwires != 3)
-                omap_cfg_reg(USB1_RCV);
 
         switch (nwires) {
+        case 2:
+                if (!cpu_is_omap24xx())
+                        goto bad;
+                /* NOTE: board-specific code must override this setting if
+                 * this TLL link is not using DP/DM
+                 */
+                syscon1 = 1;
+                CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR_TLL);
+                break;
         case 3:
                 syscon1 = 2;
+                if (cpu_is_omap24xx())
+                        CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
                 break;
         case 4:
                 syscon1 = 1;
+                if (cpu_is_omap24xx())
+                        CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
                 break;
         case 6:
+                if (cpu_is_omap24xx())
+                        goto bad;
                 syscon1 = 3;
                 omap_cfg_reg(USB1_VP);
                 omap_cfg_reg(USB1_VM);
@@ -211,6 +283,7 @@ static u32 __init omap_usb1_init(unsigned nwires)
                         USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R;
                 break;
         default:
+bad:
                 printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
                         1, nwires);
         }
@@ -221,10 +294,17 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
 {
         u32     syscon1 = 0;
 
-        /* NOTE erratum: must leave USB2_UNI_R set if usb0 in use */
+        if (cpu_is_omap24xx()) {
+                CONTROL_DEVCONF_REG &= ~(USBT2WRMODEI(USB_BIDIR_TLL)
+                                        | USBT2TLL5PI);
+                alt_pingroup = 0;
+        }
+
+        /* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
         if (alt_pingroup || nwires == 0)
                 return 0;
-        if (nwires != 6 && !cpu_is_omap15xx())
+
+        if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
                 USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
 
         /* external transceiver */
@@ -242,19 +322,54 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
                 if (nwires != 3)
                         omap_cfg_reg(Y5_USB2_RCV);
                 // FIXME omap_cfg_reg(USB2_SPEED);
+        } else if (cpu_is_omap24xx()) {
+                omap_cfg_reg(Y11_24XX_USB2_DAT);
+                omap_cfg_reg(AA10_24XX_USB2_SE0);
+                if (nwires > 2)
+                        omap_cfg_reg(AA12_24XX_USB2_TXEN);
+                if (nwires > 3)
+                        omap_cfg_reg(AA6_24XX_USB2_RCV);
         } else {
-                pr_debug("usb unrecognized\n");
+                pr_debug("usb%d cpu unrecognized\n", 1);
+                return 0;
         }
-        // omap_cfg_reg(USB2_SUSP);
+        // if (cpu_class_is_omap1()) omap_cfg_reg(USB2_SUSP);
 
         switch (nwires) {
+        case 2:
+                if (!cpu_is_omap24xx())
+                        goto bad;
+                /* NOTE: board-specific code must override this setting if
+                 * this TLL link is not using DP/DM
+                 */
+                syscon1 = 1;
+                CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR_TLL);
+                break;
         case 3:
                 syscon1 = 2;
+                if (cpu_is_omap24xx())
+                        CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
                 break;
         case 4:
                 syscon1 = 1;
+                if (cpu_is_omap24xx())
+                        CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
+                break;
+        case 5:
+                if (!cpu_is_omap24xx())
+                        goto bad;
+                omap_cfg_reg(AA4_24XX_USB2_TLLSE0);
+                /* NOTE: board-specific code must override this setting if
+                 * this TLL link is not using DP/DM.  Something must also
+                 * set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED}
+                 */
+                syscon1 = 3;
+                CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_UNIDIR_TLL)
+                                        | USBT2TLL5PI;
                 break;
         case 6:
+                if (cpu_is_omap24xx())
+                        goto bad;
                 syscon1 = 3;
                 if (cpu_is_omap15xx()) {
                         omap_cfg_reg(USB2_VP);
@@ -266,6 +381,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
                 }
                 break;
         default:
+bad:
                 printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
                         2, nwires);
         }
@@ -294,13 +410,13 @@ static struct resource udc_resources[] = {
                 .end            = UDC_BASE + 0xff,
                 .flags          = IORESOURCE_MEM,
         }, {            /* general IRQ */
-                .start          = IH2_BASE + 20,
+                .start          = INT_USB_IRQ_GEN,
                 .flags          = IORESOURCE_IRQ,
         }, {            /* PIO IRQ */
-                .start          = IH2_BASE + 30,
+                .start          = INT_USB_IRQ_NISO,
                 .flags          = IORESOURCE_IRQ,
         }, {            /* SOF IRQ */
-                .start          = IH2_BASE + 29,
+                .start          = INT_USB_IRQ_ISO,
                 .flags          = IORESOURCE_IRQ,
         },
 };
@@ -329,11 +445,11 @@ static u64 ohci_dmamask = ~(u32)0;
 static struct resource ohci_resources[] = {
         {
                 .start  = OMAP_OHCI_BASE,
-                .end    = OMAP_OHCI_BASE + 4096 - 1,
+                .end    = OMAP_OHCI_BASE + 0xff,
                 .flags  = IORESOURCE_MEM,
         },
         {
-                .start  = INT_USB_HHC_1,
+                .start  = INT_USB_IRQ_HGEN,
                 .flags  = IORESOURCE_IRQ,
         },
 };
@@ -361,7 +477,7 @@ static struct resource otg_resources[] = {
                 .end            = OTG_BASE + 0xff,
                 .flags          = IORESOURCE_MEM,
         }, {
-                .start          = IH2_BASE + 8,
+                .start          = INT_USB_IRQ_OTG,
                 .flags          = IORESOURCE_IRQ,
         },
 };
@@ -385,7 +501,7 @@ static struct platform_device otg_device = {
 
 
 // FIXME correct answer depends on hmc_mode,
-// as does any nonzero value for config->otg port number
+// as does (on omap1) any nonzero value for config->otg port number
 #ifdef  CONFIG_USB_GADGET_OMAP
 #define is_usb0_device(config)  1
 #else
@@ -426,12 +542,13 @@ omap_otg_init(struct omap_usb_config *config)
         if (config->otg)
                 syscon |= OTG_EN;
 #endif
-        pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
+        if (cpu_class_is_omap1())
+                pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
         pr_debug("OTG_SYSCON_2_REG = %08x\n", syscon);
         OTG_SYSCON_2_REG = syscon;
 
         printk("USB: hmc %d", config->hmc_mode);
-        if (alt_pingroup)
+        if (!alt_pingroup)
                 printk(", usb2 alt %d wires", config->pins[2]);
         else if (config->pins[0])
                 printk(", usb0 %d wires%s", config->pins[0],
@@ -444,10 +561,12 @@ omap_otg_init(struct omap_usb_config *config)
                 printk(", Mini-AB on usb%d", config->otg - 1);
         printk("\n");
 
-        /* leave USB clocks/controllers off until needed */
-        ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
-        ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
-        ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
+        if (cpu_class_is_omap1()) {
+                /* leave USB clocks/controllers off until needed */
+                ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
+                ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
+                ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
+        }
         syscon = OTG_SYSCON_1_REG;
         syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN;
 
@@ -585,7 +704,7 @@ omap_usb_init(void)
         }
         platform_data = *config;
 
-        if (cpu_is_omap730() || cpu_is_omap16xx())
+        if (cpu_is_omap730() || cpu_is_omap16xx() || cpu_is_omap24xx())
                 omap_otg_init(&platform_data);
         else if (cpu_is_omap15xx())
                 omap_1510_usb_init(&platform_data);