summaryrefslogtreecommitdiff
path: root/arch/arm/mach-loki/addr-map.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-loki/addr-map.c')
-rw-r--r--arch/arm/mach-loki/addr-map.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/arm/mach-loki/addr-map.c b/arch/arm/mach-loki/addr-map.c
deleted file mode 100644
index b9537c97beb..00000000000
--- a/arch/arm/mach-loki/addr-map.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * arch/arm/mach-loki/addr-map.c
- *
- * Address map functions for Marvell Loki (88RC8480) SoCs
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mbus.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include "common.h"
-
-/*
- * Generic Address Decode Windows bit settings
- */
-#define TARGET_DDR 0
-#define TARGET_DEV_BUS 1
-#define TARGET_PCIE0 3
-#define TARGET_PCIE1 4
-#define ATTR_DEV_BOOT 0x0f
-#define ATTR_DEV_CS2 0x1b
-#define ATTR_DEV_CS1 0x1d
-#define ATTR_DEV_CS0 0x1e
-#define ATTR_PCIE_IO 0x51
-#define ATTR_PCIE_MEM 0x59
-
-/*
- * Helpers to get DDR bank info
- */
-#define DDR_SIZE_CS(n) DDR_REG(0x1500 + ((n) << 3))
-#define DDR_BASE_CS(n) DDR_REG(0x1504 + ((n) << 3))
-
-/*
- * CPU Address Decode Windows registers
- */
-#define BRIDGE_REG(x) (BRIDGE_VIRT_BASE | (x))
-#define CPU_WIN_CTRL(n) BRIDGE_REG(0x000 | ((n) << 4))
-#define CPU_WIN_BASE(n) BRIDGE_REG(0x004 | ((n) << 4))
-#define CPU_WIN_REMAP_LO(n) BRIDGE_REG(0x008 | ((n) << 4))
-#define CPU_WIN_REMAP_HI(n) BRIDGE_REG(0x00c | ((n) << 4))
-
-
-struct mbus_dram_target_info loki_mbus_dram_info;
-
-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) | (1 << 5) | target;
-
- writel(base, CPU_WIN_BASE(win));
- writel(ctrl, CPU_WIN_CTRL(win));
- if (win < 2) {
- if (remap < 0)
- remap = base;
-
- writel(remap & 0xffff0000, CPU_WIN_REMAP_LO(win));
- writel(0, CPU_WIN_REMAP_HI(win));
- }
-}
-
-void __init loki_setup_cpu_mbus(void)
-{
- int i;
- int cs;
-
- /*
- * First, disable and clear windows.
- */
- for (i = 0; i < 8; i++) {
- writel(0, CPU_WIN_BASE(i));
- writel(0, CPU_WIN_CTRL(i));
- if (i < 2) {
- writel(0, CPU_WIN_REMAP_LO(i));
- writel(0, CPU_WIN_REMAP_HI(i));
- }
- }
-
- /*
- * Setup windows for PCIe IO+MEM space.
- */
- setup_cpu_win(2, LOKI_PCIE0_MEM_PHYS_BASE, LOKI_PCIE0_MEM_SIZE,
- TARGET_PCIE0, ATTR_PCIE_MEM, -1);
- setup_cpu_win(3, LOKI_PCIE1_MEM_PHYS_BASE, LOKI_PCIE1_MEM_SIZE,
- TARGET_PCIE1, ATTR_PCIE_MEM, -1);
-
- /*
- * Setup MBUS dram target info.
- */
- loki_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
-
- for (i = 0, cs = 0; i < 4; i++) {
- u32 base = readl(DDR_BASE_CS(i));
- u32 size = readl(DDR_SIZE_CS(i));
-
- /*
- * Chip select enabled?
- */
- if (size & 1) {
- struct mbus_dram_window *w;
-
- w = &loki_mbus_dram_info.cs[cs++];
- w->cs_index = i;
- w->mbus_attr = 0xf & ~(1 << i);
- w->base = base & 0xffff0000;
- w->size = (size | 0x0000ffff) + 1;
- }
- }
- loki_mbus_dram_info.num_cs = cs;
-}
-
-void __init loki_setup_dev_boot_win(u32 base, u32 size)
-{
- setup_cpu_win(4, base, size, TARGET_DEV_BUS, ATTR_DEV_BOOT, -1);
-}