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ARM: Orion: Consolidate the address map setup

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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>
This commit is contained in:
Andrew Lunn
2011-12-07 21:48:05 +01:00
committed by Nicolas Pitre
parent 527ef0550d
commit b6d1c33a31
10 changed files with 385 additions and 365 deletions
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119
arch/arm/mach-dove/addr-map.c
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@@ -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 @@ static inline void __iomem *ddr_map_sc(int i)
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 @@ void __init dove_setup_cpu_mbus(void)
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.