Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
[sfrench/cifs-2.6.git] / arch / arm / mach-orion / common.c
index ff34827f82a56eed99d4f1482f4d8865ca1fd30e..bbc2b4ec932ca8a407188a3810a3dcbcfd317840 100644 (file)
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/mv643xx_eth.h>
+#include <linux/mv643xx_i2c.h>
 #include <asm/page.h>
+#include <asm/setup.h>
 #include <asm/timex.h>
+#include <asm/mach/arch.h>
 #include <asm/mach/map.h>
-#include <asm/arch/orion.h>
+#include <asm/arch/hardware.h>
 #include "common.h"
 
 /*****************************************************************************
  ****************************************************************************/
 static struct map_desc orion_io_desc[] __initdata = {
        {
-               .virtual        = ORION_REGS_BASE,
-               .pfn            = __phys_to_pfn(ORION_REGS_BASE),
+               .virtual        = ORION_REGS_VIRT_BASE,
+               .pfn            = __phys_to_pfn(ORION_REGS_PHYS_BASE),
                .length         = ORION_REGS_SIZE,
                .type           = MT_DEVICE
        },
        {
-               .virtual        = ORION_PCIE_IO_BASE,
-               .pfn            = __phys_to_pfn(ORION_PCIE_IO_BASE),
+               .virtual        = ORION_PCIE_IO_VIRT_BASE,
+               .pfn            = __phys_to_pfn(ORION_PCIE_IO_PHYS_BASE),
                .length         = ORION_PCIE_IO_SIZE,
                .type           = MT_DEVICE
        },
        {
-               .virtual        = ORION_PCI_IO_BASE,
-               .pfn            = __phys_to_pfn(ORION_PCI_IO_BASE),
+               .virtual        = ORION_PCI_IO_VIRT_BASE,
+               .pfn            = __phys_to_pfn(ORION_PCI_IO_PHYS_BASE),
                .length         = ORION_PCI_IO_SIZE,
                .type           = MT_DEVICE
        },
        {
-               .virtual        = ORION_PCIE_WA_BASE,
-               .pfn            = __phys_to_pfn(ORION_PCIE_WA_BASE),
+               .virtual        = ORION_PCIE_WA_VIRT_BASE,
+               .pfn            = __phys_to_pfn(ORION_PCIE_WA_PHYS_BASE),
                .length         = ORION_PCIE_WA_SIZE,
                .type           = MT_DEVICE
        },
@@ -62,8 +65,8 @@ void __init orion_map_io(void)
 
 static struct resource orion_uart_resources[] = {
        {
-               .start          = UART0_BASE,
-               .end            = UART0_BASE + 0xff,
+               .start          = UART0_PHYS_BASE,
+               .end            = UART0_PHYS_BASE + 0xff,
                .flags          = IORESOURCE_MEM,
        },
        {
@@ -72,8 +75,8 @@ static struct resource orion_uart_resources[] = {
                .flags          = IORESOURCE_IRQ,
        },
        {
-               .start          = UART1_BASE,
-               .end            = UART1_BASE + 0xff,
+               .start          = UART1_PHYS_BASE,
+               .end            = UART1_PHYS_BASE + 0xff,
                .flags          = IORESOURCE_MEM,
        },
        {
@@ -85,8 +88,8 @@ static struct resource orion_uart_resources[] = {
 
 static struct plat_serial8250_port orion_uart_data[] = {
        {
-               .mapbase        = UART0_BASE,
-               .membase        = (char *)UART0_BASE,
+               .mapbase        = UART0_PHYS_BASE,
+               .membase        = (char *)UART0_VIRT_BASE,
                .irq            = IRQ_ORION_UART0,
                .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
                .iotype         = UPIO_MEM,
@@ -94,8 +97,8 @@ static struct plat_serial8250_port orion_uart_data[] = {
                .uartclk        = ORION_TCLK,
        },
        {
-               .mapbase        = UART1_BASE,
-               .membase        = (char *)UART1_BASE,
+               .mapbase        = UART1_PHYS_BASE,
+               .membase        = (char *)UART1_VIRT_BASE,
                .irq            = IRQ_ORION_UART1,
                .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
                .iotype         = UPIO_MEM,
@@ -121,8 +124,8 @@ static struct platform_device orion_uart = {
 
 static struct resource orion_ehci0_resources[] = {
        {
-               .start  = ORION_USB0_REG_BASE,
-               .end    = ORION_USB0_REG_BASE + SZ_4K,
+               .start  = ORION_USB0_PHYS_BASE,
+               .end    = ORION_USB0_PHYS_BASE + SZ_4K,
                .flags  = IORESOURCE_MEM,
        },
        {
@@ -134,8 +137,8 @@ static struct resource orion_ehci0_resources[] = {
 
 static struct resource orion_ehci1_resources[] = {
        {
-               .start  = ORION_USB1_REG_BASE,
-               .end    = ORION_USB1_REG_BASE + SZ_4K,
+               .start  = ORION_USB1_PHYS_BASE,
+               .end    = ORION_USB1_PHYS_BASE + SZ_4K,
                .flags  = IORESOURCE_MEM,
        },
        {
@@ -176,8 +179,8 @@ static struct platform_device orion_ehci1 = {
 
 static struct resource orion_eth_shared_resources[] = {
        {
-               .start  = ORION_ETH_REG_BASE,
-               .end    = ORION_ETH_REG_BASE + 0xffff,
+               .start  = ORION_ETH_PHYS_BASE + 0x2000,
+               .end    = ORION_ETH_PHYS_BASE + 0x3fff,
                .flags  = IORESOURCE_MEM,
        },
 };
@@ -212,6 +215,76 @@ void __init orion_eth_init(struct mv643xx_eth_platform_data *eth_data)
        platform_device_register(&orion_eth);
 }
 
+/*****************************************************************************
+ * I2C controller
+ * (The Orion and Discovery (MV643xx) families share the same I2C controller)
+ ****************************************************************************/
+
+static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
+       .freq_m         = 8, /* assumes 166 MHz TCLK */
+       .freq_n         = 3,
+       .timeout        = 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_resources[] = {
+       {
+               .name   = "i2c base",
+               .start  = I2C_PHYS_BASE,
+               .end    = I2C_PHYS_BASE + 0x20 -1,
+               .flags  = IORESOURCE_MEM,
+       },
+       {
+               .name   = "i2c irq",
+               .start  = IRQ_ORION_I2C,
+               .end    = IRQ_ORION_I2C,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device orion_i2c = {
+       .name           = MV64XXX_I2C_CTLR_NAME,
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(orion_i2c_resources),
+       .resource       = orion_i2c_resources,
+       .dev            = {
+               .platform_data = &orion_i2c_pdata,
+       },
+};
+
+/*****************************************************************************
+ * Sata port
+ ****************************************************************************/
+static struct resource orion_sata_resources[] = {
+        {
+                .name   = "sata base",
+                .start  = ORION_SATA_PHYS_BASE,
+                .end    = ORION_SATA_PHYS_BASE + 0x5000 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+       {
+                .name   = "sata irq",
+                .start  = IRQ_ORION_SATA,
+                .end    = IRQ_ORION_SATA,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device orion_sata = {
+       .name           = "sata_mv",
+       .id             = 0,
+       .dev            = {
+               .coherent_dma_mask      = 0xffffffff,
+       },
+       .num_resources  = ARRAY_SIZE(orion_sata_resources),
+       .resource       = orion_sata_resources,
+};
+
+void __init orion_sata_init(struct mv_sata_platform_data *sata_data)
+{
+       orion_sata.dev.platform_data = sata_data;
+       platform_device_register(&orion_sata);
+}
+
 /*****************************************************************************
  * General
  ****************************************************************************/
@@ -274,4 +347,23 @@ void __init orion_init(void)
        platform_device_register(&orion_ehci0);
        if (dev == MV88F5182_DEV_ID)
                platform_device_register(&orion_ehci1);
+       platform_device_register(&orion_i2c);
+}
+
+/*
+ * Many orion-based systems have buggy bootloader implementations.
+ * This is a common fixup for bogus memory tags.
+ */
+void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t,
+                           char **from, struct meminfo *meminfo)
+{
+       for (; t->hdr.size; t = tag_next(t))
+               if (t->hdr.tag == ATAG_MEM &&
+                   (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK ||
+                    t->u.mem.start & ~PAGE_MASK)) {
+                       printk(KERN_WARNING
+                              "Clearing invalid memory bank %dKB@0x%08x\n",
+                              t->u.mem.size / 1024, t->u.mem.start);
+                       t->hdr.tag = 0;
+               }
 }