+++ /dev/null
-/*
- * Marvell hostbridge routines
- *
- * Author: Mark A. Greer <source@mvista.com>
- *
- * 2004, 2005, 2007 (c) MontaVista Software, Inc. 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 <stdarg.h>
-#include <stddef.h>
-#include "types.h"
-#include "elf.h"
-#include "page.h"
-#include "string.h"
-#include "stdio.h"
-#include "io.h"
-#include "ops.h"
-#include "mv64x60.h"
-
-#define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
-
-#define MV64x60_CPU2MEM_WINDOWS 4
-#define MV64x60_CPU2MEM_0_BASE 0x0008
-#define MV64x60_CPU2MEM_0_SIZE 0x0010
-#define MV64x60_CPU2MEM_1_BASE 0x0208
-#define MV64x60_CPU2MEM_1_SIZE 0x0210
-#define MV64x60_CPU2MEM_2_BASE 0x0018
-#define MV64x60_CPU2MEM_2_SIZE 0x0020
-#define MV64x60_CPU2MEM_3_BASE 0x0218
-#define MV64x60_CPU2MEM_3_SIZE 0x0220
-
-#define MV64x60_ENET2MEM_BAR_ENABLE 0x2290
-#define MV64x60_ENET2MEM_0_BASE 0x2200
-#define MV64x60_ENET2MEM_0_SIZE 0x2204
-#define MV64x60_ENET2MEM_1_BASE 0x2208
-#define MV64x60_ENET2MEM_1_SIZE 0x220c
-#define MV64x60_ENET2MEM_2_BASE 0x2210
-#define MV64x60_ENET2MEM_2_SIZE 0x2214
-#define MV64x60_ENET2MEM_3_BASE 0x2218
-#define MV64x60_ENET2MEM_3_SIZE 0x221c
-#define MV64x60_ENET2MEM_4_BASE 0x2220
-#define MV64x60_ENET2MEM_4_SIZE 0x2224
-#define MV64x60_ENET2MEM_5_BASE 0x2228
-#define MV64x60_ENET2MEM_5_SIZE 0x222c
-#define MV64x60_ENET2MEM_ACC_PROT_0 0x2294
-#define MV64x60_ENET2MEM_ACC_PROT_1 0x2298
-#define MV64x60_ENET2MEM_ACC_PROT_2 0x229c
-
-#define MV64x60_MPSC2MEM_BAR_ENABLE 0xf250
-#define MV64x60_MPSC2MEM_0_BASE 0xf200
-#define MV64x60_MPSC2MEM_0_SIZE 0xf204
-#define MV64x60_MPSC2MEM_1_BASE 0xf208
-#define MV64x60_MPSC2MEM_1_SIZE 0xf20c
-#define MV64x60_MPSC2MEM_2_BASE 0xf210
-#define MV64x60_MPSC2MEM_2_SIZE 0xf214
-#define MV64x60_MPSC2MEM_3_BASE 0xf218
-#define MV64x60_MPSC2MEM_3_SIZE 0xf21c
-#define MV64x60_MPSC_0_REMAP 0xf240
-#define MV64x60_MPSC_1_REMAP 0xf244
-#define MV64x60_MPSC2MEM_ACC_PROT_0 0xf254
-#define MV64x60_MPSC2MEM_ACC_PROT_1 0xf258
-#define MV64x60_MPSC2REGS_BASE 0xf25c
-
-#define MV64x60_IDMA2MEM_BAR_ENABLE 0x0a80
-#define MV64x60_IDMA2MEM_0_BASE 0x0a00
-#define MV64x60_IDMA2MEM_0_SIZE 0x0a04
-#define MV64x60_IDMA2MEM_1_BASE 0x0a08
-#define MV64x60_IDMA2MEM_1_SIZE 0x0a0c
-#define MV64x60_IDMA2MEM_2_BASE 0x0a10
-#define MV64x60_IDMA2MEM_2_SIZE 0x0a14
-#define MV64x60_IDMA2MEM_3_BASE 0x0a18
-#define MV64x60_IDMA2MEM_3_SIZE 0x0a1c
-#define MV64x60_IDMA2MEM_4_BASE 0x0a20
-#define MV64x60_IDMA2MEM_4_SIZE 0x0a24
-#define MV64x60_IDMA2MEM_5_BASE 0x0a28
-#define MV64x60_IDMA2MEM_5_SIZE 0x0a2c
-#define MV64x60_IDMA2MEM_6_BASE 0x0a30
-#define MV64x60_IDMA2MEM_6_SIZE 0x0a34
-#define MV64x60_IDMA2MEM_7_BASE 0x0a38
-#define MV64x60_IDMA2MEM_7_SIZE 0x0a3c
-#define MV64x60_IDMA2MEM_ACC_PROT_0 0x0a70
-#define MV64x60_IDMA2MEM_ACC_PROT_1 0x0a74
-#define MV64x60_IDMA2MEM_ACC_PROT_2 0x0a78
-#define MV64x60_IDMA2MEM_ACC_PROT_3 0x0a7c
-
-#define MV64x60_PCI_ACC_CNTL_WINDOWS 6
-#define MV64x60_PCI0_PCI_DECODE_CNTL 0x0d3c
-#define MV64x60_PCI1_PCI_DECODE_CNTL 0x0dbc
-
-#define MV64x60_PCI0_BAR_ENABLE 0x0c3c
-#define MV64x60_PCI02MEM_0_SIZE 0x0c08
-#define MV64x60_PCI0_ACC_CNTL_0_BASE_LO 0x1e00
-#define MV64x60_PCI0_ACC_CNTL_0_BASE_HI 0x1e04
-#define MV64x60_PCI0_ACC_CNTL_0_SIZE 0x1e08
-#define MV64x60_PCI0_ACC_CNTL_1_BASE_LO 0x1e10
-#define MV64x60_PCI0_ACC_CNTL_1_BASE_HI 0x1e14
-#define MV64x60_PCI0_ACC_CNTL_1_SIZE 0x1e18
-#define MV64x60_PCI0_ACC_CNTL_2_BASE_LO 0x1e20
-#define MV64x60_PCI0_ACC_CNTL_2_BASE_HI 0x1e24
-#define MV64x60_PCI0_ACC_CNTL_2_SIZE 0x1e28
-#define MV64x60_PCI0_ACC_CNTL_3_BASE_LO 0x1e30
-#define MV64x60_PCI0_ACC_CNTL_3_BASE_HI 0x1e34
-#define MV64x60_PCI0_ACC_CNTL_3_SIZE 0x1e38
-#define MV64x60_PCI0_ACC_CNTL_4_BASE_LO 0x1e40
-#define MV64x60_PCI0_ACC_CNTL_4_BASE_HI 0x1e44
-#define MV64x60_PCI0_ACC_CNTL_4_SIZE 0x1e48
-#define MV64x60_PCI0_ACC_CNTL_5_BASE_LO 0x1e50
-#define MV64x60_PCI0_ACC_CNTL_5_BASE_HI 0x1e54
-#define MV64x60_PCI0_ACC_CNTL_5_SIZE 0x1e58
-
-#define MV64x60_PCI1_BAR_ENABLE 0x0cbc
-#define MV64x60_PCI12MEM_0_SIZE 0x0c88
-#define MV64x60_PCI1_ACC_CNTL_0_BASE_LO 0x1e80
-#define MV64x60_PCI1_ACC_CNTL_0_BASE_HI 0x1e84
-#define MV64x60_PCI1_ACC_CNTL_0_SIZE 0x1e88
-#define MV64x60_PCI1_ACC_CNTL_1_BASE_LO 0x1e90
-#define MV64x60_PCI1_ACC_CNTL_1_BASE_HI 0x1e94
-#define MV64x60_PCI1_ACC_CNTL_1_SIZE 0x1e98
-#define MV64x60_PCI1_ACC_CNTL_2_BASE_LO 0x1ea0
-#define MV64x60_PCI1_ACC_CNTL_2_BASE_HI 0x1ea4
-#define MV64x60_PCI1_ACC_CNTL_2_SIZE 0x1ea8
-#define MV64x60_PCI1_ACC_CNTL_3_BASE_LO 0x1eb0
-#define MV64x60_PCI1_ACC_CNTL_3_BASE_HI 0x1eb4
-#define MV64x60_PCI1_ACC_CNTL_3_SIZE 0x1eb8
-#define MV64x60_PCI1_ACC_CNTL_4_BASE_LO 0x1ec0
-#define MV64x60_PCI1_ACC_CNTL_4_BASE_HI 0x1ec4
-#define MV64x60_PCI1_ACC_CNTL_4_SIZE 0x1ec8
-#define MV64x60_PCI1_ACC_CNTL_5_BASE_LO 0x1ed0
-#define MV64x60_PCI1_ACC_CNTL_5_BASE_HI 0x1ed4
-#define MV64x60_PCI1_ACC_CNTL_5_SIZE 0x1ed8
-
-#define MV64x60_CPU2PCI_SWAP_NONE 0x01000000
-
-#define MV64x60_CPU2PCI0_IO_BASE 0x0048
-#define MV64x60_CPU2PCI0_IO_SIZE 0x0050
-#define MV64x60_CPU2PCI0_IO_REMAP 0x00f0
-#define MV64x60_CPU2PCI0_MEM_0_BASE 0x0058
-#define MV64x60_CPU2PCI0_MEM_0_SIZE 0x0060
-#define MV64x60_CPU2PCI0_MEM_0_REMAP_LO 0x00f8
-#define MV64x60_CPU2PCI0_MEM_0_REMAP_HI 0x0320
-
-#define MV64x60_CPU2PCI1_IO_BASE 0x0090
-#define MV64x60_CPU2PCI1_IO_SIZE 0x0098
-#define MV64x60_CPU2PCI1_IO_REMAP 0x0108
-#define MV64x60_CPU2PCI1_MEM_0_BASE 0x00a0
-#define MV64x60_CPU2PCI1_MEM_0_SIZE 0x00a8
-#define MV64x60_CPU2PCI1_MEM_0_REMAP_LO 0x0110
-#define MV64x60_CPU2PCI1_MEM_0_REMAP_HI 0x0340
-
-struct mv64x60_mem_win {
- u32 hi;
- u32 lo;
- u32 size;
-};
-
-struct mv64x60_pci_win {
- u32 fcn;
- u32 hi;
- u32 lo;
- u32 size;
-};
-
-/* PCI config access routines */
-struct {
- u32 addr;
- u32 data;
-} static mv64x60_pci_cfgio[2] = {
- { /* hose 0 */
- .addr = 0xcf8,
- .data = 0xcfc,
- },
- { /* hose 1 */
- .addr = 0xc78,
- .data = 0xc7c,
- }
-};
-
-u32 mv64x60_cfg_read(u8 *bridge_base, u8 hose, u8 bus, u8 devfn, u8 offset)
-{
- out_le32((u32 *)(bridge_base + mv64x60_pci_cfgio[hose].addr),
- (1 << 31) | (bus << 16) | (devfn << 8) | offset);
- return in_le32((u32 *)(bridge_base + mv64x60_pci_cfgio[hose].data));
-}
-
-void mv64x60_cfg_write(u8 *bridge_base, u8 hose, u8 bus, u8 devfn, u8 offset,
- u32 val)
-{
- out_le32((u32 *)(bridge_base + mv64x60_pci_cfgio[hose].addr),
- (1 << 31) | (bus << 16) | (devfn << 8) | offset);
- out_le32((u32 *)(bridge_base + mv64x60_pci_cfgio[hose].data), val);
-}
-
-/* I/O ctlr -> system memory setup */
-static struct mv64x60_mem_win mv64x60_cpu2mem[MV64x60_CPU2MEM_WINDOWS] = {
- {
- .lo = MV64x60_CPU2MEM_0_BASE,
- .size = MV64x60_CPU2MEM_0_SIZE,
- },
- {
- .lo = MV64x60_CPU2MEM_1_BASE,
- .size = MV64x60_CPU2MEM_1_SIZE,
- },
- {
- .lo = MV64x60_CPU2MEM_2_BASE,
- .size = MV64x60_CPU2MEM_2_SIZE,
- },
- {
- .lo = MV64x60_CPU2MEM_3_BASE,
- .size = MV64x60_CPU2MEM_3_SIZE,
- },
-};
-
-static struct mv64x60_mem_win mv64x60_enet2mem[MV64x60_CPU2MEM_WINDOWS] = {
- {
- .lo = MV64x60_ENET2MEM_0_BASE,
- .size = MV64x60_ENET2MEM_0_SIZE,
- },
- {
- .lo = MV64x60_ENET2MEM_1_BASE,
- .size = MV64x60_ENET2MEM_1_SIZE,
- },
- {
- .lo = MV64x60_ENET2MEM_2_BASE,
- .size = MV64x60_ENET2MEM_2_SIZE,
- },
- {
- .lo = MV64x60_ENET2MEM_3_BASE,
- .size = MV64x60_ENET2MEM_3_SIZE,
- },
-};
-
-static struct mv64x60_mem_win mv64x60_mpsc2mem[MV64x60_CPU2MEM_WINDOWS] = {
- {
- .lo = MV64x60_MPSC2MEM_0_BASE,
- .size = MV64x60_MPSC2MEM_0_SIZE,
- },
- {
- .lo = MV64x60_MPSC2MEM_1_BASE,
- .size = MV64x60_MPSC2MEM_1_SIZE,
- },
- {
- .lo = MV64x60_MPSC2MEM_2_BASE,
- .size = MV64x60_MPSC2MEM_2_SIZE,
- },
- {
- .lo = MV64x60_MPSC2MEM_3_BASE,
- .size = MV64x60_MPSC2MEM_3_SIZE,
- },
-};
-
-static struct mv64x60_mem_win mv64x60_idma2mem[MV64x60_CPU2MEM_WINDOWS] = {
- {
- .lo = MV64x60_IDMA2MEM_0_BASE,
- .size = MV64x60_IDMA2MEM_0_SIZE,
- },
- {
- .lo = MV64x60_IDMA2MEM_1_BASE,
- .size = MV64x60_IDMA2MEM_1_SIZE,
- },
- {
- .lo = MV64x60_IDMA2MEM_2_BASE,
- .size = MV64x60_IDMA2MEM_2_SIZE,
- },
- {
- .lo = MV64x60_IDMA2MEM_3_BASE,
- .size = MV64x60_IDMA2MEM_3_SIZE,
- },
-};
-
-static u32 mv64x60_dram_selects[MV64x60_CPU2MEM_WINDOWS] = {0xe,0xd,0xb,0x7};
-
-/*
- * ENET, MPSC, and IDMA ctlrs on the MV64x60 have separate windows that
- * must be set up so that the respective ctlr can access system memory.
- * Configure them to be same as cpu->memory windows.
- */
-void mv64x60_config_ctlr_windows(u8 *bridge_base, u8 *bridge_pbase,
- u8 is_coherent)
-{
- u32 i, base, size, enables, prot = 0, snoop_bits = 0;
-
- /* Disable ctlr->mem windows */
- out_le32((u32 *)(bridge_base + MV64x60_ENET2MEM_BAR_ENABLE), 0x3f);
- out_le32((u32 *)(bridge_base + MV64x60_MPSC2MEM_BAR_ENABLE), 0xf);
- out_le32((u32 *)(bridge_base + MV64x60_ENET2MEM_BAR_ENABLE), 0xff);
-
- if (is_coherent)
- snoop_bits = 0x2 << 12; /* Writeback */
-
- enables = in_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE)) & 0xf;
-
- for (i=0; i<MV64x60_CPU2MEM_WINDOWS; i++) {
- if (enables & (1 << i)) /* Set means disabled */
- continue;
-
- base = in_le32((u32 *)(bridge_base + mv64x60_cpu2mem[i].lo))
- << 16;
- base |= snoop_bits | (mv64x60_dram_selects[i] << 8);
- size = in_le32((u32 *)(bridge_base + mv64x60_cpu2mem[i].size))
- << 16;
- prot |= (0x3 << (i << 1)); /* RW access */
-
- out_le32((u32 *)(bridge_base + mv64x60_enet2mem[i].lo), base);
- out_le32((u32 *)(bridge_base + mv64x60_enet2mem[i].size), size);
- out_le32((u32 *)(bridge_base + mv64x60_mpsc2mem[i].lo), base);
- out_le32((u32 *)(bridge_base + mv64x60_mpsc2mem[i].size), size);
- out_le32((u32 *)(bridge_base + mv64x60_idma2mem[i].lo), base);
- out_le32((u32 *)(bridge_base + mv64x60_idma2mem[i].size), size);
- }
-
- out_le32((u32 *)(bridge_base + MV64x60_ENET2MEM_ACC_PROT_0), prot);
- out_le32((u32 *)(bridge_base + MV64x60_ENET2MEM_ACC_PROT_1), prot);
- out_le32((u32 *)(bridge_base + MV64x60_ENET2MEM_ACC_PROT_2), prot);
- out_le32((u32 *)(bridge_base + MV64x60_MPSC2MEM_ACC_PROT_0), prot);
- out_le32((u32 *)(bridge_base + MV64x60_MPSC2MEM_ACC_PROT_1), prot);
- out_le32((u32 *)(bridge_base + MV64x60_IDMA2MEM_ACC_PROT_0), prot);
- out_le32((u32 *)(bridge_base + MV64x60_IDMA2MEM_ACC_PROT_1), prot);
- out_le32((u32 *)(bridge_base + MV64x60_IDMA2MEM_ACC_PROT_2), prot);
- out_le32((u32 *)(bridge_base + MV64x60_IDMA2MEM_ACC_PROT_3), prot);
-
- /* Set mpsc->bridge's reg window to the bridge's internal registers. */
- out_le32((u32 *)(bridge_base + MV64x60_MPSC2REGS_BASE),
- (u32)bridge_pbase);
-
- out_le32((u32 *)(bridge_base + MV64x60_ENET2MEM_BAR_ENABLE), enables);
- out_le32((u32 *)(bridge_base + MV64x60_MPSC2MEM_BAR_ENABLE), enables);
- out_le32((u32 *)(bridge_base + MV64x60_IDMA2MEM_BAR_ENABLE), enables);
-}
-
-/* PCI MEM -> system memory, et. al. setup */
-static struct mv64x60_pci_win mv64x60_pci2mem[2] = {
- { /* hose 0 */
- .fcn = 0,
- .hi = 0x14,
- .lo = 0x10,
- .size = MV64x60_PCI02MEM_0_SIZE,
- },
- { /* hose 1 */
- .fcn = 0,
- .hi = 0x94,
- .lo = 0x90,
- .size = MV64x60_PCI12MEM_0_SIZE,
- },
-};
-
-static struct
-mv64x60_mem_win mv64x60_pci_acc[2][MV64x60_PCI_ACC_CNTL_WINDOWS] = {
- { /* hose 0 */
- {
- .hi = MV64x60_PCI0_ACC_CNTL_0_BASE_HI,
- .lo = MV64x60_PCI0_ACC_CNTL_0_BASE_LO,
- .size = MV64x60_PCI0_ACC_CNTL_0_SIZE,
- },
- {
- .hi = MV64x60_PCI0_ACC_CNTL_1_BASE_HI,
- .lo = MV64x60_PCI0_ACC_CNTL_1_BASE_LO,
- .size = MV64x60_PCI0_ACC_CNTL_1_SIZE,
- },
- {
- .hi = MV64x60_PCI0_ACC_CNTL_2_BASE_HI,
- .lo = MV64x60_PCI0_ACC_CNTL_2_BASE_LO,
- .size = MV64x60_PCI0_ACC_CNTL_2_SIZE,
- },
- {
- .hi = MV64x60_PCI0_ACC_CNTL_3_BASE_HI,
- .lo = MV64x60_PCI0_ACC_CNTL_3_BASE_LO,
- .size = MV64x60_PCI0_ACC_CNTL_3_SIZE,
- },
- },
- { /* hose 1 */
- {
- .hi = MV64x60_PCI1_ACC_CNTL_0_BASE_HI,
- .lo = MV64x60_PCI1_ACC_CNTL_0_BASE_LO,
- .size = MV64x60_PCI1_ACC_CNTL_0_SIZE,
- },
- {
- .hi = MV64x60_PCI1_ACC_CNTL_1_BASE_HI,
- .lo = MV64x60_PCI1_ACC_CNTL_1_BASE_LO,
- .size = MV64x60_PCI1_ACC_CNTL_1_SIZE,
- },
- {
- .hi = MV64x60_PCI1_ACC_CNTL_2_BASE_HI,
- .lo = MV64x60_PCI1_ACC_CNTL_2_BASE_LO,
- .size = MV64x60_PCI1_ACC_CNTL_2_SIZE,
- },
- {
- .hi = MV64x60_PCI1_ACC_CNTL_3_BASE_HI,
- .lo = MV64x60_PCI1_ACC_CNTL_3_BASE_LO,
- .size = MV64x60_PCI1_ACC_CNTL_3_SIZE,
- },
- },
-};
-
-static struct mv64x60_mem_win mv64x60_pci2reg[2] = {
- {
- .hi = 0x24,
- .lo = 0x20,
- .size = 0,
- },
- {
- .hi = 0xa4,
- .lo = 0xa0,
- .size = 0,
- },
-};
-
-/* Only need to use 1 window (per hose) to get access to all of system memory */
-void mv64x60_config_pci_windows(u8 *bridge_base, u8 *bridge_pbase, u8 hose,
- u8 bus, u32 mem_size, u32 acc_bits)
-{
- u32 i, offset, bar_enable, enables;
-
- /* Disable all windows but PCI MEM -> Bridge's regs window */
- enables = ~(1 << 9);
- bar_enable = hose ? MV64x60_PCI1_BAR_ENABLE : MV64x60_PCI0_BAR_ENABLE;
- out_le32((u32 *)(bridge_base + bar_enable), enables);
-
- for (i=0; i<MV64x60_PCI_ACC_CNTL_WINDOWS; i++)
- out_le32((u32 *)(bridge_base + mv64x60_pci_acc[hose][i].lo), 0);
-
- /* If mem_size is 0, leave windows disabled */
- if (mem_size == 0)
- return;
-
- /* Cause automatic updates of PCI remap regs */
- offset = hose ?
- MV64x60_PCI1_PCI_DECODE_CNTL : MV64x60_PCI0_PCI_DECODE_CNTL;
- i = in_le32((u32 *)(bridge_base + offset));
- out_le32((u32 *)(bridge_base + offset), i & ~0x1);
-
- mem_size = (mem_size - 1) & 0xfffff000;
-
- /* Map PCI MEM addr 0 -> System Mem addr 0 */
- mv64x60_cfg_write(bridge_base, hose, bus,
- PCI_DEVFN(0, mv64x60_pci2mem[hose].fcn),
- mv64x60_pci2mem[hose].hi, 0);
- mv64x60_cfg_write(bridge_base, hose, bus,
- PCI_DEVFN(0, mv64x60_pci2mem[hose].fcn),
- mv64x60_pci2mem[hose].lo, 0);
- out_le32((u32 *)(bridge_base + mv64x60_pci2mem[hose].size),mem_size);
-
- acc_bits |= MV64x60_PCI_ACC_CNTL_ENABLE;
- out_le32((u32 *)(bridge_base + mv64x60_pci_acc[hose][0].hi), 0);
- out_le32((u32 *)(bridge_base + mv64x60_pci_acc[hose][0].lo), acc_bits);
- out_le32((u32 *)(bridge_base + mv64x60_pci_acc[hose][0].size),mem_size);
-
- /* Set PCI MEM->bridge's reg window to where they are in CPU mem map */
- i = (u32)bridge_base;
- i &= 0xffff0000;
- i |= (0x2 << 1);
- mv64x60_cfg_write(bridge_base, hose, bus, PCI_DEVFN(0,0),
- mv64x60_pci2reg[hose].hi, 0);
- mv64x60_cfg_write(bridge_base, hose, bus, PCI_DEVFN(0,0),
- mv64x60_pci2reg[hose].lo, i);
-
- enables &= ~0x1; /* Enable PCI MEM -> System Mem window 0 */
- out_le32((u32 *)(bridge_base + bar_enable), enables);
-}
-
-/* CPU -> PCI I/O & MEM setup */
-struct mv64x60_cpu2pci_win mv64x60_cpu2pci_io[2] = {
- { /* hose 0 */
- .lo = MV64x60_CPU2PCI0_IO_BASE,
- .size = MV64x60_CPU2PCI0_IO_SIZE,
- .remap_hi = 0,
- .remap_lo = MV64x60_CPU2PCI0_IO_REMAP,
- },
- { /* hose 1 */
- .lo = MV64x60_CPU2PCI1_IO_BASE,
- .size = MV64x60_CPU2PCI1_IO_SIZE,
- .remap_hi = 0,
- .remap_lo = MV64x60_CPU2PCI1_IO_REMAP,
- },
-};
-
-struct mv64x60_cpu2pci_win mv64x60_cpu2pci_mem[2] = {
- { /* hose 0 */
- .lo = MV64x60_CPU2PCI0_MEM_0_BASE,
- .size = MV64x60_CPU2PCI0_MEM_0_SIZE,
- .remap_hi = MV64x60_CPU2PCI0_MEM_0_REMAP_HI,
- .remap_lo = MV64x60_CPU2PCI0_MEM_0_REMAP_LO,
- },
- { /* hose 1 */
- .lo = MV64x60_CPU2PCI1_MEM_0_BASE,
- .size = MV64x60_CPU2PCI1_MEM_0_SIZE,
- .remap_hi = MV64x60_CPU2PCI1_MEM_0_REMAP_HI,
- .remap_lo = MV64x60_CPU2PCI1_MEM_0_REMAP_LO,
- },
-};
-
-/* Only need to set up 1 window to pci mem space */
-void mv64x60_config_cpu2pci_window(u8 *bridge_base, u8 hose, u32 pci_base_hi,
- u32 pci_base_lo, u32 cpu_base, u32 size,
- struct mv64x60_cpu2pci_win *offset_tbl)
-{
- cpu_base >>= 16;
- cpu_base |= MV64x60_CPU2PCI_SWAP_NONE;
- out_le32((u32 *)(bridge_base + offset_tbl[hose].lo), cpu_base);
-
- if (offset_tbl[hose].remap_hi != 0)
- out_le32((u32 *)(bridge_base + offset_tbl[hose].remap_hi),
- pci_base_hi);
- out_le32((u32 *)(bridge_base + offset_tbl[hose].remap_lo),
- pci_base_lo >> 16);
-
- size = (size - 1) >> 16;
- out_le32((u32 *)(bridge_base + offset_tbl[hose].size), size);
-}
-
-/* Read mem ctlr to get the amount of mem in system */
-u32 mv64x60_get_mem_size(u8 *bridge_base)
-{
- u32 enables, i, v;
- u32 mem = 0;
-
- enables = in_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE)) & 0xf;
-
- for (i=0; i<MV64x60_CPU2MEM_WINDOWS; i++)
- if (!(enables & (1<<i))) {
- v = in_le32((u32*)(bridge_base
- + mv64x60_cpu2mem[i].size));
- v = ((v & 0xffff) + 1) << 16;
- mem += v;
- }
-
- return mem;
-}
-
-/* Get physical address of bridge's registers */
-u8 *mv64x60_get_bridge_pbase(void)
-{
- u32 v[2];
- void *devp;
-
- devp = find_node_by_compatible(NULL, "marvell,mv64360");
- if (devp == NULL)
- goto err_out;
- if (getprop(devp, "reg", v, sizeof(v)) != sizeof(v))
- goto err_out;
-
- return (u8 *)v[0];
-
-err_out:
- return 0;
-}
-
-/* Get virtual address of bridge's registers */
-u8 *mv64x60_get_bridge_base(void)
-{
- u32 v;
- void *devp;
-
- devp = find_node_by_compatible(NULL, "marvell,mv64360");
- if (devp == NULL)
- goto err_out;
- if (getprop(devp, "virtual-reg", &v, sizeof(v)) != sizeof(v))
- goto err_out;
-
- return (u8 *)v;
-
-err_out:
- return 0;
-}
-
-u8 mv64x60_is_coherent(void)
-{
- u32 v;
- void *devp;
-
- devp = finddevice("/");
- if (devp == NULL)
- return 1; /* Assume coherency on */
-
- if (getprop(devp, "coherency-off", &v, sizeof(v)) < 0)
- return 1; /* Coherency on */
- else
- return 0;
-}
projects / linux-2.6-block.git / commitdiff