[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>
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c
index 5f41fc5..5f0ee4b 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 @@
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 @@
.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 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 @@
.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 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_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 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 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 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,
},
{