[ARM] Orion: distinguish between physical and virtual addresses

Hack up the Orion port to distinguish between virtual and physical
addresses of register windows.  This will allow moving virtual
mappings higher up in the address space, to free up more kernel
virtual address space.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

8 files changed, 57 insertions, 57 deletions

diff --git a/arch/arm/mach-orion/addr-map.c b/arch/arm/mach-orion/addr-map.c
index 488da3811a68..2e2fd63643c3 100644
--- a/arch/arm/mach-orion/addr-map.c
+++ b/arch/arm/mach-orion/addr-map.c
@@ -265,15 +265,15 @@ void __init orion_setup_cpu_wins(void)
         }
 
         /*
-         * Setup windows for PCI+PCIE IO+MAM space
+         * Setup windows for PCI+PCIe IO+MEM space.
          */
-        orion_setup_cpu_win(ORION_PCIE_IO, ORION_PCIE_IO_BASE,
-                                ORION_PCIE_IO_SIZE, ORION_PCIE_IO_REMAP);
-        orion_setup_cpu_win(ORION_PCI_IO, ORION_PCI_IO_BASE,
-                                ORION_PCI_IO_SIZE, ORION_PCI_IO_REMAP);
-        orion_setup_cpu_win(ORION_PCIE_MEM, ORION_PCIE_MEM_BASE,
+        orion_setup_cpu_win(ORION_PCIE_IO, ORION_PCIE_IO_PHYS_BASE,
+                                ORION_PCIE_IO_SIZE, ORION_PCIE_IO_BUS_BASE);
+        orion_setup_cpu_win(ORION_PCI_IO, ORION_PCI_IO_PHYS_BASE,
+                                ORION_PCI_IO_SIZE, ORION_PCI_IO_BUS_BASE);
+        orion_setup_cpu_win(ORION_PCIE_MEM, ORION_PCIE_MEM_PHYS_BASE,
                                 ORION_PCIE_MEM_SIZE, -1);
-        orion_setup_cpu_win(ORION_PCI_MEM, ORION_PCI_MEM_BASE,
+        orion_setup_cpu_win(ORION_PCI_MEM, ORION_PCI_MEM_PHYS_BASE,
                                 ORION_PCI_MEM_SIZE, -1);
 }
 
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c
index 5f41fc537fa5..5f0ee4b8a9b7 100644
--- a/arch/arm/mach-orion/common.c
+++ b/arch/arm/mach-orion/common.c
@@ -27,26 +27,26 @@
  ****************************************************************************/
 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
         },
@@ -63,8 +63,8 @@ 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,
         },
         {
@@ -73,8 +73,8 @@ 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,
         },
         {
@@ -86,8 +86,8 @@ 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,
@@ -95,8 +95,8 @@ 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,
@@ -122,8 +122,8 @@ 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,
         },
         {
@@ -135,8 +135,8 @@ 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,
         },
         {
@@ -177,8 +177,8 @@ 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,
+                .end    = ORION_ETH_PHYS_BASE + 0xffff,
                 .flags  = IORESOURCE_MEM,
         },
 };
@@ -227,8 +227,8 @@ static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
 static struct resource orion_i2c_resources[] = {
         {
                 .name   = "i2c base",
-                .start  = I2C_BASE,
-                .end    = I2C_BASE + 0x20 -1,
+                .start  = I2C_PHYS_BASE,
+                .end    = I2C_PHYS_BASE + 0x20 -1,
                 .flags  = IORESOURCE_MEM,
         },
         {
@@ -255,8 +255,8 @@ static struct platform_device orion_i2c = {
 static struct resource orion_sata_resources[] = {
         {
                 .name   = "sata base",
-                .start  = ORION_SATA_REG_BASE,
-                .end    = ORION_SATA_REG_BASE + 0x5000 - 1,
+                .start  = ORION_SATA_PHYS_BASE,
+                .end    = ORION_SATA_PHYS_BASE + 0x5000 - 1,
                 .flags  = IORESOURCE_MEM,
         },
         {
diff --git a/arch/arm/mach-orion/db88f5281-setup.c b/arch/arm/mach-orion/db88f5281-setup.c
index cb2a95ce5b57..5ef44e1a2d36 100644
--- a/arch/arm/mach-orion/db88f5281-setup.c
+++ b/arch/arm/mach-orion/db88f5281-setup.c
@@ -354,8 +354,8 @@ static void __init db88f5281_init(void)
 
 MACHINE_START(DB88F5281, "Marvell Orion-2 Development Board")
         /* Maintainer: Tzachi Perelstein <tzachi@marvell.com> */
-        .phys_io        = ORION_REGS_BASE,
-        .io_pg_offst    = ((ORION_REGS_BASE) >> 18) & 0xfffc,
+        .phys_io        = ORION_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION_REGS_VIRT_BASE) >> 18) & 0xfffc,
         .boot_params    = 0x00000100,
         .init_machine   = db88f5281_init,
         .map_io         = orion_map_io,
diff --git a/arch/arm/mach-orion/dns323-setup.c b/arch/arm/mach-orion/dns323-setup.c
index c8a806f249c6..02b280c24820 100644
--- a/arch/arm/mach-orion/dns323-setup.c
+++ b/arch/arm/mach-orion/dns323-setup.c
@@ -259,8 +259,8 @@ static void __init dns323_init(void)
          *
          * Open a special address decode windows for the PCIE WA.
          */
-        orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
-        orion_write(ORION_REGS_BASE | 0x20070,
+        orion_write(ORION_REGS_VIRT_BASE | 0x20074, ORION_PCIE_WA_PHYS_BASE);
+        orion_write(ORION_REGS_VIRT_BASE | 0x20070,
                     (0x7941 | (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
 
         /* set MPP to 0 as D-Link's 2.6.12.6 kernel did */
@@ -312,8 +312,8 @@ static void __init dns323_init(void)
 /* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
 MACHINE_START(DNS323, "D-Link DNS-323")
         /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
-        .phys_io        = ORION_REGS_BASE,
-        .io_pg_offst    = ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+        .phys_io        = ORION_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION_REGS_VIRT_BASE) >> 18) & 0xFFFC,
         .boot_params    = 0x00000100,
         .init_machine   = dns323_init,
         .map_io         = orion_map_io,
diff --git a/arch/arm/mach-orion/kurobox_pro-setup.c b/arch/arm/mach-orion/kurobox_pro-setup.c
index 2d812ed6b5c7..9bdd987edbb6 100644
--- a/arch/arm/mach-orion/kurobox_pro-setup.c
+++ b/arch/arm/mach-orion/kurobox_pro-setup.c
@@ -192,8 +192,8 @@ static void __init kurobox_pro_init(void)
         /*
          * Open a special address decode windows for the PCIE WA.
          */
-        orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
-        orion_write(ORION_REGS_BASE | 0x20070, (0x7941 |
+        orion_write(ORION_REGS_VIRT_BASE | 0x20074, ORION_PCIE_WA_PHYS_BASE);
+        orion_write(ORION_REGS_VIRT_BASE | 0x20070, (0x7941 |
                 (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
 
         /*
@@ -224,8 +224,8 @@ static void __init kurobox_pro_init(void)
 
 MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro")
         /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
-        .phys_io        = ORION_REGS_BASE,
-        .io_pg_offst    = ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+        .phys_io        = ORION_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION_REGS_VIRT_BASE) >> 18) & 0xFFFC,
         .boot_params    = 0x00000100,
         .init_machine   = kurobox_pro_init,
         .map_io         = orion_map_io,
diff --git a/arch/arm/mach-orion/pci.c b/arch/arm/mach-orion/pci.c
index 0498d7c69b30..b109bb46681e 100644
--- a/arch/arm/mach-orion/pci.c
+++ b/arch/arm/mach-orion/pci.c
@@ -156,7 +156,7 @@ static int orion_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
         orion_pcie_id(&dev, &rev);
         if (dev == MV88F5181_DEV_ID || dev == MV88F5182_DEV_ID) {
                 /* extended register space */
-                pcie_addr = ORION_PCIE_WA_BASE;
+                pcie_addr = ORION_PCIE_WA_VIRT_BASE;
                 pcie_addr |= PCIE_CONF_BUS(bus->number) |
                         PCIE_CONF_DEV(PCI_SLOT(devfn)) |
                         PCIE_CONF_FUNC(PCI_FUNC(devfn)) |
@@ -241,7 +241,7 @@ static int orion_pcie_setup(struct pci_sys_data *sys)
          */
         res[0].name = "PCI-EX I/O Space";
         res[0].flags = IORESOURCE_IO;
-        res[0].start = ORION_PCIE_IO_REMAP;
+        res[0].start = ORION_PCIE_IO_BUS_BASE;
         res[0].end = res[0].start + ORION_PCIE_IO_SIZE - 1;
         if (request_resource(&ioport_resource, &res[0]))
                 panic("Request PCIE IO resource failed\n");
@@ -252,7 +252,7 @@ static int orion_pcie_setup(struct pci_sys_data *sys)
          */
         res[1].name = "PCI-EX Memory Space";
         res[1].flags = IORESOURCE_MEM;
-        res[1].start = ORION_PCIE_MEM_BASE;
+        res[1].start = ORION_PCIE_MEM_PHYS_BASE;
         res[1].end = res[1].start + ORION_PCIE_MEM_SIZE - 1;
         if (request_resource(&iomem_resource, &res[1]))
                 panic("Request PCIE Memory resource failed\n");
@@ -477,7 +477,7 @@ static int orion_pci_setup(struct pci_sys_data *sys)
          */
         res[0].name = "PCI I/O Space";
         res[0].flags = IORESOURCE_IO;
-        res[0].start = ORION_PCI_IO_REMAP;
+        res[0].start = ORION_PCI_IO_BUS_BASE;
         res[0].end = res[0].start + ORION_PCI_IO_SIZE - 1;
         if (request_resource(&ioport_resource, &res[0]))
                 panic("Request PCI IO resource failed\n");
@@ -488,7 +488,7 @@ static int orion_pci_setup(struct pci_sys_data *sys)
          */
         res[1].name = "PCI Memory Space";
         res[1].flags = IORESOURCE_MEM;
-        res[1].start = ORION_PCI_MEM_BASE;
+        res[1].start = ORION_PCI_MEM_PHYS_BASE;
         res[1].end = res[1].start + ORION_PCI_MEM_SIZE - 1;
         if (request_resource(&iomem_resource, &res[1]))
                 panic("Request PCI Memory resource failed\n");
diff --git a/arch/arm/mach-orion/rd88f5182-setup.c b/arch/arm/mach-orion/rd88f5182-setup.c
index 797c54c80c2b..e851b8ca5ac6 100644
--- a/arch/arm/mach-orion/rd88f5182-setup.c
+++ b/arch/arm/mach-orion/rd88f5182-setup.c
@@ -263,8 +263,8 @@ static void __init rd88f5182_init(void)
         /*
          * Open a special address decode windows for the PCIE WA.
          */
-        orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
-        orion_write(ORION_REGS_BASE | 0x20070, (0x7941 |
+        orion_write(ORION_REGS_VIRT_BASE | 0x20074, ORION_PCIE_WA_PHYS_BASE);
+        orion_write(ORION_REGS_VIRT_BASE | 0x20070, (0x7941 |
                 (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
 
         /*
@@ -305,8 +305,8 @@ static void __init rd88f5182_init(void)
 
 MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design")
         /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
-        .phys_io        = ORION_REGS_BASE,
-        .io_pg_offst    = ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+        .phys_io        = ORION_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION_REGS_VIRT_BASE) >> 18) & 0xFFFC,
         .boot_params    = 0x00000100,
         .init_machine   = rd88f5182_init,
         .map_io         = orion_map_io,
diff --git a/arch/arm/mach-orion/ts209-setup.c b/arch/arm/mach-orion/ts209-setup.c
index e3e930efd155..8edb2ac09662 100644
--- a/arch/arm/mach-orion/ts209-setup.c
+++ b/arch/arm/mach-orion/ts209-setup.c
@@ -244,7 +244,7 @@ static struct platform_device *qnap_ts209_devices[] __initdata = {
  * QNAP TS-[12]09 specific power off method via UART1-attached PIC
  */
 
-#define UART1_REG(x)  (UART1_BASE + ((UART_##x) << 2))
+#define UART1_REG(x)  (UART1_VIRT_BASE + ((UART_##x) << 2))
 
 static void qnap_ts209_power_off(void)
 {
@@ -282,8 +282,8 @@ static void __init qnap_ts209_init(void)
         /*
          * Open a special address decode windows for the PCIE WA.
          */
-        orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
-        orion_write(ORION_REGS_BASE | 0x20070, (0x7941 |
+        orion_write(ORION_REGS_VIRT_BASE | 0x20074, ORION_PCIE_WA_PHYS_BASE);
+        orion_write(ORION_REGS_VIRT_BASE | 0x20070, (0x7941 |
                 (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
 
         /*
@@ -325,8 +325,8 @@ static void __init qnap_ts209_init(void)
 
 MACHINE_START(TS209, "QNAP TS-109/TS-209")
         /* Maintainer:  Byron Bradley <byron.bbradley@gmail.com> */
-        .phys_io        = ORION_REGS_BASE,
-        .io_pg_offst    = ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+        .phys_io        = ORION_REGS_PHYS_BASE,
+        .io_pg_offst    = ((ORION_REGS_VIRT_BASE) >> 18) & 0xFFFC,
         .boot_params    = 0x00000100,
         .init_machine   = qnap_ts209_init,
         .map_io         = orion_map_io,