[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/addr-map.c b/arch/arm/mach-orion/addr-map.c
index 488da38..2e2fd63 100644
--- a/arch/arm/mach-orion/addr-map.c
+++ b/arch/arm/mach-orion/addr-map.c
@@ -265,15 +265,15 @@
}
/*
- * 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 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,
},
{
diff --git a/arch/arm/mach-orion/db88f5281-setup.c b/arch/arm/mach-orion/db88f5281-setup.c
index cb2a95c..5ef44e1 100644
--- a/arch/arm/mach-orion/db88f5281-setup.c
+++ b/arch/arm/mach-orion/db88f5281-setup.c
@@ -354,8 +354,8 @@
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 c8a806f..02b280c 100644
--- a/arch/arm/mach-orion/dns323-setup.c
+++ b/arch/arm/mach-orion/dns323-setup.c
@@ -259,8 +259,8 @@
*
* 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 @@
/* 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 2d812ed..9bdd987 100644
--- a/arch/arm/mach-orion/kurobox_pro-setup.c
+++ b/arch/arm/mach-orion/kurobox_pro-setup.c
@@ -192,8 +192,8 @@
/*
* 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 @@
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 0498d7c..b109bb4 100644
--- a/arch/arm/mach-orion/pci.c
+++ b/arch/arm/mach-orion/pci.c
@@ -156,7 +156,7 @@
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 @@
*/
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 @@
*/
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 @@
*/
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 @@
*/
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 797c54c..e851b8c 100644
--- a/arch/arm/mach-orion/rd88f5182-setup.c
+++ b/arch/arm/mach-orion/rd88f5182-setup.c
@@ -263,8 +263,8 @@
/*
* 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 @@
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 e3e930e..8edb2ac 100644
--- a/arch/arm/mach-orion/ts209-setup.c
+++ b/arch/arm/mach-orion/ts209-setup.c
@@ -244,7 +244,7 @@
* 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 @@
/*
* 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 @@
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,