[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/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,