17 files changed, 333 insertions, 65 deletions

diff --git a/arch/arm/include/asm/mman.h b/arch/arm/include/asm/mman.h
index 8eebf89f5ab1..41f99c573b93 100644
--- a/arch/arm/include/asm/mman.h
+++ b/arch/arm/include/asm/mman.h
@@ -1 +1,4 @@
 #include <asm-generic/mman.h>
+
+#define arch_mmap_check(addr, len, flags) \
+        (((flags) & MAP_FIXED && (addr) < FIRST_USER_ADDRESS) ? -EINVAL : 0)
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index f58c1156e779..9314a2d681f1 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -172,7 +172,7 @@
 /* 160 */       CALL(sys_sched_get_priority_min)
                 CALL(sys_sched_rr_get_interval)
                 CALL(sys_nanosleep)
-                CALL(sys_arm_mremap)
+                CALL(sys_mremap)
                 CALL(sys_setresuid16)
 /* 165 */       CALL(sys_getresuid16)
                 CALL(sys_ni_syscall)            /* vm86 */
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index f0fe95b7085d..2c1db77d7848 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -416,12 +416,12 @@ sys_mmap2:
                 tst     r5, #PGOFF_MASK
                 moveq   r5, r5, lsr #PAGE_SHIFT - 12
                 streq   r5, [sp, #4]
-                beq     do_mmap2
+                beq     sys_mmap_pgoff
                 mov     r0, #-EINVAL
                 mov     pc, lr
 #else
                 str     r5, [sp, #4]
-                b       do_mmap2
+                b       sys_mmap_pgoff
 #endif
 ENDPROC(sys_mmap2)
 
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index 78ecaac65206..ae4027bd01bd 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -28,41 +28,6 @@
 #include <linux/ipc.h>
 #include <linux/uaccess.h>
 
-extern unsigned long do_mremap(unsigned long addr, unsigned long old_len,
-                               unsigned long new_len, unsigned long flags,
-                               unsigned long new_addr);
-
-/* common code for old and new mmaps */
-inline long do_mmap2(
-        unsigned long addr, unsigned long len,
-        unsigned long prot, unsigned long flags,
-        unsigned long fd, unsigned long pgoff)
-{
-        int error = -EINVAL;
-        struct file * file = NULL;
-
-        flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
-        if (flags & MAP_FIXED && addr < FIRST_USER_ADDRESS)
-                goto out;
-
-        error = -EBADF;
-        if (!(flags & MAP_ANONYMOUS)) {
-                file = fget(fd);
-                if (!file)
-                        goto out;
-        }
-
-        down_write(&current->mm->mmap_sem);
-        error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-        up_write(&current->mm->mmap_sem);
-
-        if (file)
-                fput(file);
-out:
-        return error;
-}
-
 struct mmap_arg_struct {
         unsigned long addr;
         unsigned long len;
@@ -84,29 +49,11 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
         if (a.offset & ~PAGE_MASK)
                 goto out;
 
-        error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
+        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
 out:
         return error;
 }
 
-asmlinkage unsigned long
-sys_arm_mremap(unsigned long addr, unsigned long old_len,
-               unsigned long new_len, unsigned long flags,
-               unsigned long new_addr)
-{
-        unsigned long ret = -EINVAL;
-
-        if (flags & MREMAP_FIXED && new_addr < FIRST_USER_ADDRESS)
-                goto out;
-
-        down_write(&current->mm->mmap_sem);
-        ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-        up_write(&current->mm->mmap_sem);
-
-out:
-        return ret;
-}
-
 /*
  * Perform the select(nd, in, out, ex, tv) and mmap() system
  * calls.
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index d140abca690a..f780086befd7 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -3,6 +3,30 @@ if ARCH_MSM
 comment "MSM Board Type"
         depends on ARCH_MSM
 
+config MSM_DEBUG_UART
+        int
+        default 1 if MSM_DEBUG_UART1
+        default 2 if MSM_DEBUG_UART2
+        default 3 if MSM_DEBUG_UART3
+
+choice
+        prompt "Debug UART"
+
+        default MSM_DEBUG_UART_NONE
+
+        config MSM_DEBUG_UART_NONE
+                bool "None"
+
+        config MSM_DEBUG_UART1
+                bool "UART1"
+
+        config MSM_DEBUG_UART2
+                bool "UART2"
+
+        config MSM_DEBUG_UART3
+                bool "UART3"
+endchoice
+
 config MACH_HALIBUT
         depends on ARCH_MSM
         default y
@@ -10,4 +34,10 @@ config MACH_HALIBUT
         help
           Support for the Qualcomm SURF7201A eval board.
 
+config MACH_TROUT
+        default y
+        bool "HTC Dream (aka trout)"
+        help
+          Support for the HTC Dream, T-Mobile G1, Android ADP1 devices.
+
 endif
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 1aa47001aa3b..91e6f5c95dc1 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -6,3 +6,4 @@ obj-y += clock.o clock-7x01a.o
 
 obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o
 
+obj-$(CONFIG_MACH_TROUT) += board-dream.o
diff --git a/arch/arm/mach-msm/board-dream.c b/arch/arm/mach-msm/board-dream.c
new file mode 100644
index 000000000000..21afa8513168
--- /dev/null
+++ b/arch/arm/mach-msm/board-dream.c
@@ -0,0 +1,93 @@
+/* linux/arch/arm/mach-msm/board-dream.c
+ *
+ * Copyright (C) 2009 Google, Inc.
+ * Author: Brian Swetland <swetland@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/setup.h>
+
+#include <mach/board.h>
+#include <mach/hardware.h>
+#include <mach/msm_iomap.h>
+
+#include "devices.h"
+#include "board-dream.h"
+
+static struct platform_device *devices[] __initdata = {
+        &msm_device_uart3,
+        &msm_device_smd,
+        &msm_device_nand,
+        &msm_device_hsusb,
+        &msm_device_i2c,
+};
+
+extern struct sys_timer msm_timer;
+
+static void __init trout_init_irq(void)
+{
+        msm_init_irq();
+}
+
+static void __init trout_fixup(struct machine_desc *desc, struct tag *tags,
+                                char **cmdline, struct meminfo *mi)
+{
+        mi->nr_banks = 1;
+        mi->bank[0].start = PHYS_OFFSET;
+        mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
+        mi->bank[0].size = (101*1024*1024);
+}
+
+static void __init trout_init(void)
+{
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static struct map_desc trout_io_desc[] __initdata = {
+        {
+                .virtual = TROUT_CPLD_BASE,
+                .pfn     = __phys_to_pfn(TROUT_CPLD_START),
+                .length  = TROUT_CPLD_SIZE,
+                .type    = MT_DEVICE_NONSHARED
+        }
+};
+
+static void __init trout_map_io(void)
+{
+        msm_map_common_io();
+        iotable_init(trout_io_desc, ARRAY_SIZE(trout_io_desc));
+
+#ifdef CONFIG_MSM_DEBUG_UART3
+        /* route UART3 to the "H2W" extended usb connector */
+        writeb(0x80, TROUT_CPLD_BASE + 0x00);
+#endif
+
+        msm_clock_init();
+}
+
+MACHINE_START(TROUT, "HTC Dream")
+        .phys_io        = MSM_DEBUG_UART_PHYS,
+        .io_pg_offst    = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
+        .boot_params    = 0x10000100,
+        .fixup          = trout_fixup,
+        .map_io         = trout_map_io,
+        .init_irq       = trout_init_irq,
+        .init_machine   = trout_init,
+        .timer          = &msm_timer,
+MACHINE_END
diff --git a/arch/arm/mach-msm/board-dream.h b/arch/arm/mach-msm/board-dream.h
new file mode 100644
index 000000000000..4f345a5a0a61
--- /dev/null
+++ b/arch/arm/mach-msm/board-dream.h
@@ -0,0 +1,5 @@
+
+#define TROUT_CPLD_BASE   0xE8100000
+#define TROUT_CPLD_START  0x98000000
+#define TROUT_CPLD_SIZE   SZ_4K
+
diff --git a/arch/arm/mach-msm/include/mach/debug-macro.S b/arch/arm/mach-msm/include/mach/debug-macro.S
index 1db3c97dbc49..d48747ebcd3d 100644
--- a/arch/arm/mach-msm/include/mach/debug-macro.S
+++ b/arch/arm/mach-msm/include/mach/debug-macro.S
@@ -14,15 +14,18 @@
  *
  */
 
+
+
 #include <mach/hardware.h>
 #include <mach/msm_iomap.h>
 
+#ifdef CONFIG_MSM_DEBUG_UART
         .macro  addruart,rx
         @ see if the MMU is enabled and select appropriate base address
         mrc     p15, 0, \rx, c1, c0
         tst     \rx, #1
-        ldreq   \rx, =MSM_UART1_PHYS
-        movne   \rx, #0
+        ldreq   \rx, =MSM_DEBUG_UART_PHYS
+        ldrne   \rx, =MSM_DEBUG_UART_BASE
         .endm
 
         .macro  senduart,rd,rx
@@ -32,13 +35,20 @@
 
         .macro  waituart,rd,rx
         @ wait for TX_READY
-        teq     \rx, #0
-        bne     2f
-1:      ldr     \rd, [\rx, #0x08]
+1001:   ldr     \rd, [\rx, #0x08]
         tst     \rd, #0x04
-        beq     1b
-2:
+        beq     1001b
+        .endm
+#else
+        .macro  addruart,rx
+        .endm
+
+        .macro  senduart,rd,rx
+        .endm
+
+        .macro  waituart,rd,rx
         .endm
+#endif
 
         .macro  busyuart,rd,rx
         .endm
diff --git a/arch/arm/mach-msm/include/mach/mmc.h b/arch/arm/mach-msm/include/mach/mmc.h
new file mode 100644
index 000000000000..0ecf25426284
--- /dev/null
+++ b/arch/arm/mach-msm/include/mach/mmc.h
@@ -0,0 +1,26 @@
+/*
+ *  arch/arm/include/asm/mach/mmc.h
+ */
+#ifndef ASMARM_MACH_MMC_H
+#define ASMARM_MACH_MMC_H
+
+#include <linux/mmc/host.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/sdio_func.h>
+
+struct embedded_sdio_data {
+        struct sdio_cis cis;
+        struct sdio_cccr cccr;
+        struct sdio_embedded_func *funcs;
+        int num_funcs;
+};
+
+struct mmc_platform_data {
+        unsigned int ocr_mask;                  /* available voltages */
+        u32 (*translate_vdd)(struct device *, unsigned int);
+        unsigned int (*status)(struct device *);
+        struct embedded_sdio_data *embedded_sdio;
+        int (*register_status_notify)(void (*callback)(int card_present, void *dev_id), void *dev_id);
+};
+
+#endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h
index 2f7b4c8620d9..9dae1a98c77a 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap.h
@@ -84,6 +84,18 @@
 #define MSM_UART3_PHYS        0xA9C00000
 #define MSM_UART3_SIZE        SZ_4K
 
+#ifdef CONFIG_MSM_DEBUG_UART
+#define MSM_DEBUG_UART_BASE   0xE1000000
+#if CONFIG_MSM_DEBUG_UART == 1
+#define MSM_DEBUG_UART_PHYS   MSM_UART1_PHYS
+#elif CONFIG_MSM_DEBUG_UART == 2
+#define MSM_DEBUG_UART_PHYS   MSM_UART2_PHYS
+#elif CONFIG_MSM_DEBUG_UART == 3
+#define MSM_DEBUG_UART_PHYS   MSM_UART3_PHYS
+#endif
+#define MSM_DEBUG_UART_SIZE   SZ_4K
+#endif
+
 #define MSM_SDC1_PHYS         0xA0400000
 #define MSM_SDC1_SIZE         SZ_4K
 
diff --git a/arch/arm/mach-msm/include/mach/uncompress.h b/arch/arm/mach-msm/include/mach/uncompress.h
index 026e8955ace9..d94292c29d8e 100644
--- a/arch/arm/mach-msm/include/mach/uncompress.h
+++ b/arch/arm/mach-msm/include/mach/uncompress.h
@@ -16,9 +16,16 @@
 #ifndef __ASM_ARCH_MSM_UNCOMPRESS_H
 
 #include "hardware.h"
+#include "linux/io.h"
+#include "mach/msm_iomap.h"
 
 static void putc(int c)
 {
+#if defined(MSM_DEBUG_UART_PHYS)
+        unsigned base = MSM_DEBUG_UART_PHYS;
+        while (!(readl(base + 0x08) & 0x04)) ;
+        writel(c, base + 0x0c);
+#endif
 }
 
 static inline void flush(void)
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index 6e7692ff6f2c..1c5e7dac086f 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -42,6 +42,9 @@ static struct map_desc msm_io_desc[] __initdata = {
         MSM_DEVICE(GPIO1),
         MSM_DEVICE(GPIO2),
         MSM_DEVICE(CLK_CTL),
+#ifdef CONFIG_MSM_DEBUG_UART
+        MSM_DEVICE(DEBUG_UART),
+#endif
         {
                 .virtual =  (unsigned long) MSM_SHARED_RAM_BASE,
                 .pfn =      __phys_to_pfn(MSM_SHARED_RAM_PHYS),
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index 2b7996401b0f..f5abc51c5a07 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -54,7 +54,8 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
          * We enforce the MAP_FIXED case.
          */
         if (flags & MAP_FIXED) {
-                if (aliasing && flags & MAP_SHARED && addr & (SHMLBA - 1))
+                if (aliasing && flags & MAP_SHARED &&
+                    (addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))
                         return -EINVAL;
                 return addr;
         }
diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile
index 4cbca9da1505..996cbac6932c 100644
--- a/arch/arm/plat-mxc/Makefile
+++ b/arch/arm/plat-mxc/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o
 obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o
 obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o
 obj-$(CONFIG_MXC_PWM)  += pwm.o
+obj-$(CONFIG_USB_EHCI_MXC) += ehci.o
 obj-$(CONFIG_MXC_ULPI) += ulpi.o
 obj-$(CONFIG_ARCH_MXC_AUDMUX_V1) += audmux-v1.o
 obj-$(CONFIG_ARCH_MXC_AUDMUX_V2) += audmux-v2.o
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
new file mode 100644
index 000000000000..41599be882e8
--- /dev/null
+++ b/arch/arm/plat-mxc/ehci.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/mxc_ehci.h>
+
+#define USBCTRL_OTGBASE_OFFSET  0x600
+
+#define MX31_OTG_SIC_SHIFT      29
+#define MX31_OTG_SIC_MASK       (0xf << MX31_OTG_SIC_SHIFT)
+#define MX31_OTG_PM_BIT         (1 << 24)
+
+#define MX31_H2_SIC_SHIFT       21
+#define MX31_H2_SIC_MASK        (0xf << MX31_H2_SIC_SHIFT)
+#define MX31_H2_PM_BIT          (1 << 16)
+#define MX31_H2_DT_BIT          (1 << 5)
+
+#define MX31_H1_SIC_SHIFT       13
+#define MX31_H1_SIC_MASK        (0xf << MX31_H1_SIC_SHIFT)
+#define MX31_H1_PM_BIT          (1 << 8)
+#define MX31_H1_DT_BIT          (1 << 4)
+
+int mxc_set_usbcontrol(int port, unsigned int flags)
+{
+        unsigned int v;
+
+        if (cpu_is_mx31()) {
+                v = readl(IO_ADDRESS(MX31_OTG_BASE_ADDR +
+                                     USBCTRL_OTGBASE_OFFSET));
+
+                switch (port) {
+                case 0: /* OTG port */
+                        v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);
+                        v |= (flags & MXC_EHCI_INTERFACE_MASK)
+                                        << MX31_OTG_SIC_SHIFT;
+                        if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+                                v |= MX31_OTG_PM_BIT;
+
+                        break;
+                case 1: /* H1 port */
+                        v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT);
+                        v |= (flags & MXC_EHCI_INTERFACE_MASK)
+                                                << MX31_H1_SIC_SHIFT;
+                        if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+                                v |= MX31_H1_PM_BIT;
+
+                        if (!(flags & MXC_EHCI_TTL_ENABLED))
+                                v |= MX31_H1_DT_BIT;
+
+                        break;
+                case 2: /* H2 port */
+                        v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT);
+                        v |= (flags & MXC_EHCI_INTERFACE_MASK)
+                                                << MX31_H2_SIC_SHIFT;
+                        if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+                                v |= MX31_H2_PM_BIT;
+
+                        if (!(flags & MXC_EHCI_TTL_ENABLED))
+                                v |= MX31_H2_DT_BIT;
+
+                        break;
+                }
+
+                writel(v, IO_ADDRESS(MX31_OTG_BASE_ADDR +
+                                     USBCTRL_OTGBASE_OFFSET));
+                return 0;
+        }
+
+        printk(KERN_WARNING
+                "%s() unable to setup USBCONTROL for this CPU\n", __func__);
+        return -EINVAL;
+}
+EXPORT_SYMBOL(mxc_set_usbcontrol);
+
diff --git a/arch/arm/plat-mxc/include/mach/mxc_ehci.h b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
new file mode 100644
index 000000000000..8f796239393e
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
@@ -0,0 +1,37 @@
+#ifndef __INCLUDE_ASM_ARCH_MXC_EHCI_H
+#define __INCLUDE_ASM_ARCH_MXC_EHCI_H
+
+/* values for portsc field */
+#define MXC_EHCI_PHY_LOW_POWER_SUSPEND  (1 << 23)
+#define MXC_EHCI_FORCE_FS               (1 << 24)
+#define MXC_EHCI_UTMI_8BIT              (0 << 28)
+#define MXC_EHCI_UTMI_16BIT             (1 << 28)
+#define MXC_EHCI_SERIAL                 (1 << 29)
+#define MXC_EHCI_MODE_UTMI              (0 << 30)
+#define MXC_EHCI_MODE_PHILIPS           (1 << 30)
+#define MXC_EHCI_MODE_ULPI              (2 << 30)
+#define MXC_EHCI_MODE_SERIAL            (3 << 30)
+
+/* values for flags field */
+#define MXC_EHCI_INTERFACE_DIFF_UNI     (0 << 0)
+#define MXC_EHCI_INTERFACE_DIFF_BI      (1 << 0)
+#define MXC_EHCI_INTERFACE_SINGLE_UNI   (2 << 0)
+#define MXC_EHCI_INTERFACE_SINGLE_BI    (3 << 0)
+#define MXC_EHCI_INTERFACE_MASK         (0xf)
+
+#define MXC_EHCI_POWER_PINS_ENABLED     (1 << 5)
+#define MXC_EHCI_TTL_ENABLED            (1 << 6)
+
+struct mxc_usbh_platform_data {
+        int (*init)(struct platform_device *pdev);
+        int (*exit)(struct platform_device *pdev);
+
+        unsigned int             portsc;
+        unsigned int             flags;
+        struct otg_transceiver  *otg;
+};
+
+int mxc_set_usbcontrol(int port, unsigned int flags);
+
+#endif /* __INCLUDE_ASM_ARCH_MXC_EHCI_H */
+