Merge branch 'sh-latest' of git://github.com/pmundt/linux-sh

[pandora-kernel.git] / arch / arm / mach-u300 / core.c

diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 2f5929b..ac0791e 100644 (file)
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -27,6 +27,7 @@
 #include <linux/mtd/fsmc.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/pinctrl/pinmux.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -39,6 +40,7 @@
 #include <mach/hardware.h>
 #include <mach/syscon.h>
 #include <mach/dma_channels.h>
+#include <mach/gpio-u300.h>
 
 #include "clock.h"
 #include "mmc.h"
@@ -70,30 +72,13 @@ static struct map_desc u300_io_desc[] __initdata = {
                .length         = SZ_32K,
                .type           = MT_DEVICE,
        },
-       {
-               .virtual        = 0xffff2000, /* TCM memory */
-               .pfn            = __phys_to_pfn(0xffff2000),
-               .length         = SZ_16K,
-               .type           = MT_DEVICE,
-       },
-
-       /*
-        * This overlaps with the IRQ vectors etc at 0xffff0000, so these
-        * may have to be moved to 0x00000000 in order to use the ROM.
-        */
-       /*
-       {
-               .virtual        = U300_BOOTROM_VIRT_BASE,
-               .pfn            = __phys_to_pfn(U300_BOOTROM_PHYS_BASE),
-               .length         = SZ_64K,
-               .type           = MT_ROM,
-       },
-       */
 };
 
 void __init u300_map_io(void)
 {
        iotable_init(u300_io_desc, ARRAY_SIZE(u300_io_desc));
+       /* We enable a real big DMA buffer if need be. */
+       init_consistent_dma_size(SZ_4M);
 }
 
 /*
@@ -241,7 +226,7 @@ static struct resource gpio_resources[] = {
                .end   = IRQ_U300_GPIO_PORT2,
                .flags = IORESOURCE_IRQ,
        },
-#ifdef U300_COH901571_3
+#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335)
        {
                .name  = "gpio3",
                .start = IRQ_U300_GPIO_PORT3,
@@ -254,6 +239,7 @@ static struct resource gpio_resources[] = {
                .end   = IRQ_U300_GPIO_PORT4,
                .flags = IORESOURCE_IRQ,
        },
+#endif
 #ifdef CONFIG_MACH_U300_BS335
        {
                .name  = "gpio5",
@@ -268,7 +254,6 @@ static struct resource gpio_resources[] = {
                .flags = IORESOURCE_IRQ,
        },
 #endif /* CONFIG_MACH_U300_BS335 */
-#endif /* U300_COH901571_3 */
 };
 
 static struct resource keypad_resources[] = {
@@ -363,51 +348,6 @@ static struct resource wdog_resources[] = {
        }
 };
 
-/* TODO: These should be protected by suitable #ifdef's */
-static struct resource ave_resources[] = {
-       {
-               .name  = "AVE3e I/O Area",
-               .start = U300_VIDEOENC_BASE,
-               .end   = U300_VIDEOENC_BASE + SZ_512K - 1,
-               .flags = IORESOURCE_MEM,
-       },
-       {
-               .name  = "AVE3e IRQ0",
-               .start = IRQ_U300_VIDEO_ENC_0,
-               .end   = IRQ_U300_VIDEO_ENC_0,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name  = "AVE3e IRQ1",
-               .start = IRQ_U300_VIDEO_ENC_1,
-               .end   = IRQ_U300_VIDEO_ENC_1,
-               .flags = IORESOURCE_IRQ,
-       },
-       {
-               .name  = "AVE3e Physmem Area",
-               .start = 0, /* 0 will be remapped to reserved memory */
-               .end   = SZ_1M - 1,
-               .flags = IORESOURCE_MEM,
-       },
-       /*
-        * The AVE3e requires two regions of 256MB that it considers
-        * "invisible". The hardware will not be able to access these
-        * addresses, so they should never point to system RAM.
-        */
-       {
-               .name  = "AVE3e Reserved 0",
-               .start = 0xd0000000,
-               .end   = 0xd0000000 + SZ_256M - 1,
-               .flags = IORESOURCE_MEM,
-       },
-       {
-               .name  = "AVE3e Reserved 1",
-               .start = 0xe0000000,
-               .end   = 0xe0000000 + SZ_256M - 1,
-               .flags = IORESOURCE_MEM,
-       },
-};
-
 static struct resource dma_resource[] = {
        {
                .start = U300_DMAC_BASE,
@@ -1566,11 +1506,35 @@ static struct platform_device i2c1_device = {
        .resource = i2c1_resources,
 };
 
+/*
+ * The different variants have a few different versions of the
+ * GPIO block, with different number of ports.
+ */
+static struct u300_gpio_platform u300_gpio_plat = {
+#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
+       .variant = U300_GPIO_COH901335,
+       .ports = 3,
+#endif
+#ifdef CONFIG_MACH_U300_BS335
+       .variant = U300_GPIO_COH901571_3_BS335,
+       .ports = 7,
+#endif
+#ifdef CONFIG_MACH_U300_BS365
+       .variant = U300_GPIO_COH901571_3_BS365,
+       .ports = 5,
+#endif
+       .gpio_base = 0,
+       .gpio_irq_base = IRQ_U300_GPIO_BASE,
+};
+
 static struct platform_device gpio_device = {
        .name = "u300-gpio",
        .id = -1,
        .num_resources = ARRAY_SIZE(gpio_resources),
        .resource = gpio_resources,
+       .dev = {
+               .platform_data = &u300_gpio_plat,
+       },
 };
 
 static struct platform_device keypad_device = {
@@ -1622,13 +1586,6 @@ static struct platform_device nand_device = {
        },
 };
 
-static struct platform_device ave_device = {
-       .name = "video_enc",
-       .id = -1,
-       .num_resources = ARRAY_SIZE(ave_resources),
-       .resource = ave_resources,
-};
-
 static struct platform_device dma_device = {
        .name           = "coh901318",
        .id             = -1,
@@ -1719,7 +1676,6 @@ static struct platform_device *platform_devs[] __initdata = {
        &gpio_device,
        &nand_device,
        &wdog_device,
-       &ave_device,
        &pinmux_device,
 };
 
@@ -1742,7 +1698,7 @@ void __init u300_init_irq(void)
        BUG_ON(IS_ERR(clk));
        clk_enable(clk);
 
-       for (i = 0; i < NR_IRQS; i++)
+       for (i = 0; i < U300_VIC_IRQS_END; i++)
                set_bit(i, (unsigned long *) &mask[0]);
        vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]);
        vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]);
@@ -1917,17 +1873,10 @@ void __init u300_init_devices(void)
        /* Register subdevices on the SPI bus */
        u300_spi_register_board_devices();
 
-#ifndef CONFIG_MACH_U300_SEMI_IS_SHARED
-       /*
-        * Enable SEMI self refresh. Self-refresh of the SDRAM is entered when
-        * both subsystems are requesting this mode.
-        * If we not share the Acc SDRAM, this is never the case. Therefore
-        * enable it here from the App side.
-        */
+       /* Enable SEMI self refresh */
        val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) |
                U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE;
        writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);
-#endif /* CONFIG_MACH_U300_SEMI_IS_SHARED */
 }
 
 static int core_module_init(void)