ARM: Orion: Consolidate the address map setup
Compile tested on Dove, orion5x, mv78xx0. Boot tested on Kirkwood.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Michael Walle <michael@walle.cc>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
diff --git a/arch/arm/mach-dove/addr-map.c b/arch/arm/mach-dove/addr-map.c
index 00be4fc..1584726 100644
--- a/arch/arm/mach-dove/addr-map.c
+++ b/arch/arm/mach-dove/addr-map.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <asm/mach/arch.h>
#include <asm/setup.h>
+#include <plat/addr-map.h>
#include "common.h"
/*
@@ -34,14 +35,6 @@
#define ATTR_PCIE_MEM 0xe8
#define ATTR_SCRATCHPAD 0x0
-/*
- * CPU Address Decode Windows registers
- */
-#define WIN_CTRL(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x0)
-#define WIN_BASE(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x4)
-#define WIN_REMAP_LO(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0x8)
-#define WIN_REMAP_HI(n) (BRIDGE_VIRT_BASE + ((n) << 4) + 0xc)
-
struct mbus_dram_target_info dove_mbus_dram_info;
static inline void __iomem *ddr_map_sc(int i)
@@ -49,31 +42,52 @@
return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4));
}
-static int cpu_win_can_remap(int win)
-{
- if (win < 4)
- return 1;
+/*
+ * Description of the windows needed by the platform code
+ */
+static struct __initdata orion_addr_map_cfg addr_map_cfg = {
+ .num_wins = 8,
+ .remappable_wins = 4,
+ .bridge_virt_base = BRIDGE_VIRT_BASE,
+};
- return 0;
-}
-
-static void __init setup_cpu_win(int win, u32 base, u32 size,
- u8 target, u8 attr, int remap)
-{
- u32 ctrl;
-
- base &= 0xffff0000;
- ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;
-
- writel(base, WIN_BASE(win));
- writel(ctrl, WIN_CTRL(win));
- if (cpu_win_can_remap(win)) {
- if (remap < 0)
- remap = base;
- writel(remap & 0xffff0000, WIN_REMAP_LO(win));
- writel(0, WIN_REMAP_HI(win));
- }
-}
+static const struct __initdata orion_addr_map_info addr_map_info[] = {
+ /*
+ * Windows for PCIe IO+MEM space.
+ */
+ { 0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE,
+ TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE
+ },
+ { 1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE,
+ TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE
+ },
+ { 2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE,
+ TARGET_PCIE0, ATTR_PCIE_MEM, -1
+ },
+ { 3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE,
+ TARGET_PCIE1, ATTR_PCIE_MEM, -1
+ },
+ /*
+ * Window for CESA engine.
+ */
+ { 4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE,
+ TARGET_CESA, ATTR_CESA, -1
+ },
+ /*
+ * Window to the BootROM for Standby and Sleep Resume
+ */
+ { 5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE,
+ TARGET_BOOTROM, ATTR_BOOTROM, -1
+ },
+ /*
+ * Window to the PMU Scratch Pad space
+ */
+ { 6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE,
+ TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1
+ },
+ /* End marker */
+ { -1, 0, 0, 0, 0, 0 }
+};
void __init dove_setup_cpu_mbus(void)
{
@@ -81,46 +95,9 @@
int cs;
/*
- * First, disable and clear windows.
+ * Disable, clear and configure windows.
*/
- for (i = 0; i < 8; i++) {
- writel(0, WIN_BASE(i));
- writel(0, WIN_CTRL(i));
- if (cpu_win_can_remap(i)) {
- writel(0, WIN_REMAP_LO(i));
- writel(0, WIN_REMAP_HI(i));
- }
- }
-
- /*
- * Setup windows for PCIe IO+MEM space.
- */
- setup_cpu_win(0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE,
- TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE);
- setup_cpu_win(1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE,
- TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE);
- setup_cpu_win(2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE,
- TARGET_PCIE0, ATTR_PCIE_MEM, -1);
- setup_cpu_win(3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE,
- TARGET_PCIE1, ATTR_PCIE_MEM, -1);
-
- /*
- * Setup window for CESA engine.
- */
- setup_cpu_win(4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE,
- TARGET_CESA, ATTR_CESA, -1);
-
- /*
- * Setup the Window to the BootROM for Standby and Sleep Resume
- */
- setup_cpu_win(5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE,
- TARGET_BOOTROM, ATTR_BOOTROM, -1);
-
- /*
- * Setup the Window to the PMU Scratch Pad space
- */
- setup_cpu_win(6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE,
- TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1);
+ orion_config_wins(&addr_map_cfg, addr_map_info);
/*
* Setup MBUS dram target info.