diff options
Diffstat (limited to 'arch/arm/mach-loki/addr-map.c')
-rw-r--r-- | arch/arm/mach-loki/addr-map.c | 122 |
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); -} |