Update from upstream with manual merge of Yasunori Goto's

changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

5 files changed, 137 insertions, 65 deletions

diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 426c2bc517eb..60c8b9d8bb9c 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -36,6 +36,7 @@
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
 #include <asm/arch/corgi.h>
+#include <asm/arch/sharpsl.h>
 
 #include <asm/mach/sharpsl_param.h>
 #include <asm/hardware/scoop.h>
@@ -198,13 +199,10 @@ static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
 {
         struct pxamci_platform_data* p_d = dev->platform_data;
 
-        if (( 1 << vdd) & p_d->ocr_mask) {
-                printk(KERN_DEBUG "%s: on\n", __FUNCTION__);
+        if (( 1 << vdd) & p_d->ocr_mask)
                 GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
-        } else {
-                printk(KERN_DEBUG "%s: off\n", __FUNCTION__);
+        else
                 GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
-        }
 }
 
 static int corgi_mci_get_ro(struct device *dev)
@@ -259,6 +257,16 @@ static struct platform_device *devices[] __initdata = {
 
 static void __init corgi_init(void)
 {
+        /* setup sleep mode values */
+        PWER  = 0x00000002;
+        PFER  = 0x00000000;
+        PRER  = 0x00000002;
+        PGSR0 = 0x0158C000;
+        PGSR1 = 0x00FF0080;
+        PGSR2 = 0x0001C004;
+        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
+        PCFR |= PCFR_OPDE;
+
         corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
 
         pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
@@ -285,42 +293,14 @@ static void __init fixup_corgi(struct machine_desc *desc,
                 mi->bank[0].size = (64*1024*1024);
 }
 
-static void __init corgi_init_irq(void)
-{
-        pxa_init_irq();
-}
-
-static struct map_desc corgi_io_desc[] __initdata = {
-/*    virtual     physical    length      */
-/*      { 0xf1000000, 0x08000000, 0x01000000, MT_DEVICE },*/ /* LCDC (readable for Qt driver) */
-/*      { 0xef700000, 0x10800000, 0x00001000, MT_DEVICE },*/  /* SCOOP */
-        { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */
-};
-
-static void __init corgi_map_io(void)
-{
-        pxa_map_io();
-        iotable_init(corgi_io_desc,ARRAY_SIZE(corgi_io_desc));
-
-        /* setup sleep mode values */
-        PWER  = 0x00000002;
-        PFER  = 0x00000000;
-        PRER  = 0x00000002;
-        PGSR0 = 0x0158C000;
-        PGSR1 = 0x00FF0080;
-        PGSR2 = 0x0001C004;
-        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
-        PCFR |= PCFR_OPDE;
-}
-
 #ifdef CONFIG_MACH_CORGI
 MACHINE_START(CORGI, "SHARP Corgi")
         .phys_ram       = 0xa0000000,
         .phys_io        = 0x40000000,
         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
         .fixup          = fixup_corgi,
-        .map_io         = corgi_map_io,
-        .init_irq       = corgi_init_irq,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa_init_irq,
         .init_machine   = corgi_init,
         .timer          = &pxa_timer,
 MACHINE_END
@@ -332,8 +312,8 @@ MACHINE_START(SHEPHERD, "SHARP Shepherd")
         .phys_io        = 0x40000000,
         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
         .fixup          = fixup_corgi,
-        .map_io         = corgi_map_io,
-        .init_irq       = corgi_init_irq,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa_init_irq,
         .init_machine   = corgi_init,
         .timer          = &pxa_timer,
 MACHINE_END
@@ -345,8 +325,8 @@ MACHINE_START(HUSKY, "SHARP Husky")
         .phys_io        = 0x40000000,
         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
         .fixup          = fixup_corgi,
-        .map_io         = corgi_map_io,
-        .init_irq       = corgi_init_irq,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa_init_irq,
         .init_machine   = corgi_init,
         .timer          = &pxa_timer,
 MACHINE_END
diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c
index c5efcd04fcbc..850538fadece 100644
--- a/arch/arm/mach-pxa/corgi_lcd.c
+++ b/arch/arm/mach-pxa/corgi_lcd.c
@@ -19,7 +19,6 @@
 #include <linux/kernel.h>
 #include <linux/device.h>
 #include <linux/module.h>
-#include <asm/mach-types.h>
 #include <asm/arch/akita.h>
 #include <asm/arch/corgi.h>
 #include <asm/arch/hardware.h>
@@ -468,6 +467,7 @@ void corgi_put_hsync(void)
 {
         if (get_hsync_time)
                 symbol_put(w100fb_get_hsynclen);
+        get_hsync_time = NULL;
 }
 
 void corgi_wait_hsync(void)
@@ -477,20 +477,37 @@ void corgi_wait_hsync(void)
 #endif
 
 #ifdef CONFIG_PXA_SHARP_Cxx00
+static struct device *spitz_pxafb_dev;
+
+static int is_pxafb_device(struct device * dev, void * data)
+{
+        struct platform_device *pdev = container_of(dev, struct platform_device, dev);
+
+        return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
+}
+
 unsigned long spitz_get_hsync_len(void)
 {
+        if (!spitz_pxafb_dev) {
+                spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
+                if (!spitz_pxafb_dev)
+                        return 0;
+        }
         if (!get_hsync_time)
                 get_hsync_time = symbol_get(pxafb_get_hsync_time);
         if (!get_hsync_time)
                 return 0;
 
-        return pxafb_get_hsync_time(&pxafb_device.dev);
+        return pxafb_get_hsync_time(spitz_pxafb_dev);
 }
 
 void spitz_put_hsync(void)
 {
+        put_device(spitz_pxafb_dev);
         if (get_hsync_time)
                 symbol_put(pxafb_get_hsync_time);
+        spitz_pxafb_dev = NULL;
+        get_hsync_time = NULL;
 }
 
 void spitz_wait_hsync(void)
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index a45aaa115a76..d327c127eddb 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -34,6 +34,7 @@
 #include <asm/arch/udc.h>
 #include <asm/arch/pxafb.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/i2c.h>
 
 #include "generic.h"
 
@@ -207,6 +208,11 @@ static struct platform_device pxafb_device = {
         .resource       = pxafb_resources,
 };
 
+void __init set_pxa_fb_parent(struct device *parent_dev)
+{
+        pxafb_device.dev.parent = parent_dev;
+}
+
 static struct platform_device ffuart_device = {
         .name           = "pxa2xx-uart",
         .id             = 0,
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 47cfb8bb8318..f25638810017 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -30,6 +30,8 @@
 
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/irq.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/udc.h>
 #include <asm/arch/poodle.h>
 #include <asm/arch/pxafb.h>
 
@@ -93,6 +95,83 @@ static struct platform_device locomo_device = {
         .resource       = locomo_resources,
 };
 
+
+/*
+ * MMC/SD Device
+ *
+ * The card detect interrupt isn't debounced so we delay it by 250ms
+ * to give the card a chance to fully insert/eject.
+ */
+static struct pxamci_platform_data poodle_mci_platform_data;
+
+static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+        int err;
+
+        /* setup GPIO for PXA25x MMC controller */
+        pxa_gpio_mode(GPIO6_MMCCLK_MD);
+        pxa_gpio_mode(GPIO8_MMCCS0_MD);
+        pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
+        pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
+
+        poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+
+        err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, SA_INTERRUPT,
+                             "MMC card detect", data);
+        if (err) {
+                printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+                return -1;
+        }
+
+        set_irq_type(POODLE_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
+
+        return 0;
+}
+
+static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data* p_d = dev->platform_data;
+
+        if (( 1 << vdd) & p_d->ocr_mask)
+                GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
+        else
+                GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
+}
+
+static void poodle_mci_exit(struct device *dev, void *data)
+{
+        free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
+}
+
+static struct pxamci_platform_data poodle_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+        .init           = poodle_mci_init,
+        .setpower       = poodle_mci_setpower,
+        .exit           = poodle_mci_exit,
+};
+
+
+/*
+ * USB Device Controller
+ */
+static void poodle_udc_command(int cmd)
+{
+        switch(cmd)     {
+        case PXA2XX_UDC_CMD_CONNECT:
+                GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
+                break;
+        case PXA2XX_UDC_CMD_DISCONNECT:
+                GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
+                break;
+        }
+}
+
+static struct pxa2xx_udc_mach_info udc_info __initdata = {
+        /* no connect GPIO; poodle can't tell connection status */
+        .udc_command            = poodle_udc_command,
+};
+
+
 /* PXAFB device */
 static struct pxafb_mach_info poodle_fb_info __initdata = {
         .pixclock       = 144700,
@@ -126,6 +205,15 @@ static void __init poodle_init(void)
 {
         int ret = 0;
 
+        /* setup sleep mode values */
+        PWER  = 0x00000002;
+        PFER  = 0x00000000;
+        PRER  = 0x00000002;
+        PGSR0 = 0x00008000;
+        PGSR1 = 0x003F0202;
+        PGSR2 = 0x0001C000;
+        PCFR |= PCFR_OPDE;
+
         /* cpu initialize */
         /* Pgsr Register */
         PGSR0 = 0x0146dd80;
@@ -155,6 +243,9 @@ static void __init poodle_init(void)
         GPSR2 = 0x00000000;
 
         set_pxa_fb_info(&poodle_fb_info);
+        pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
+        pxa_set_udc_info(&udc_info);
+        pxa_set_mci_info(&poodle_mci_platform_data);
 
         scoop_num = 1;
         scoop_devs = &poodle_pcmcia_scoop[0];
@@ -171,32 +262,12 @@ static void __init fixup_poodle(struct machine_desc *desc,
         sharpsl_save_param();
 }
 
-static struct map_desc poodle_io_desc[] __initdata = {
- /* virtual     physical    length                   */
-  { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */
-};
-
-static void __init poodle_map_io(void)
-{
-        pxa_map_io();
-        iotable_init(poodle_io_desc, ARRAY_SIZE(poodle_io_desc));
-
-        /* setup sleep mode values */
-        PWER  = 0x00000002;
-        PFER  = 0x00000000;
-        PRER  = 0x00000002;
-        PGSR0 = 0x00008000;
-        PGSR1 = 0x003F0202;
-        PGSR2 = 0x0001C000;
-        PCFR |= PCFR_OPDE;
-}
-
 MACHINE_START(POODLE, "SHARP Poodle")
         .phys_ram       = 0xa0000000,
         .phys_io        = 0x40000000,
         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
         .fixup          = fixup_poodle,
-        .map_io         = poodle_map_io,
+        .map_io         = pxa_map_io,
         .init_irq       = pxa_init_irq,
         .timer          = &pxa_timer,
         .init_machine   = poodle_init,
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 568afe3d6e1a..d0ab428c2d7d 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -36,7 +36,6 @@
 #include <asm/arch/irq.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
-#include <asm/arch/ohci.h>
 #include <asm/arch/pxafb.h>
 #include <asm/arch/akita.h>
 #include <asm/arch/spitz.h>
@@ -304,7 +303,6 @@ static struct platform_device *devices[] __initdata = {
         &spitzkbd_device,
         &spitzts_device,
         &spitzbl_device,
-        &spitzbattery_device,
 };
 
 static void __init common_init(void)
@@ -328,7 +326,7 @@ static void __init common_init(void)
 
         platform_add_devices(devices, ARRAY_SIZE(devices));
         pxa_set_mci_info(&spitz_mci_platform_data);
-        pxafb_device.dev.parent = &spitzssp_device.dev;
+        set_pxa_fb_parent(&spitzssp_device.dev);
         set_pxa_fb_info(&spitz_pxafb_info);
 }