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Diffstat (limited to 'arch/powerpc/cpu/mpc8220/pci.c')
-rw-r--r--arch/powerpc/cpu/mpc8220/pci.c191
1 files changed, 0 insertions, 191 deletions
diff --git a/arch/powerpc/cpu/mpc8220/pci.c b/arch/powerpc/cpu/mpc8220/pci.c
deleted file mode 100644
index 7ef43b72cd..0000000000
--- a/arch/powerpc/cpu/mpc8220/pci.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * Copyright 2004 Freescale Semiconductor.
- * Copyright (C) 2003 Motorola Inc.
- * Xianghua Xiao (x.xiao@motorola.com)
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * PCI Configuration space access support for MPC8220 PCI Bridge
- */
-#include <common.h>
-#include <mpc8220.h>
-#include <pci.h>
-#include <asm/io.h>
-
-#if defined(CONFIG_PCI)
-
-/* System RAM mapped over PCI */
-#define CONFIG_PCI_SYS_MEM_BUS CONFIG_SYS_SDRAM_BASE
-#define CONFIG_PCI_SYS_MEM_PHYS CONFIG_SYS_SDRAM_BASE
-#define CONFIG_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024)
-
-#define cfg_read(val, addr, type, op) *val = op((type)(addr));
-#define cfg_write(val, addr, type, op) op((type *)(addr), (val));
-
-#define PCI_OP(rw, size, type, op, mask) \
-int mpc8220_pci_##rw##_config_##size(struct pci_controller *hose, \
- pci_dev_t dev, int offset, type val) \
-{ \
- u32 addr = 0; \
- u16 cfg_type = 0; \
- addr = ((offset & 0xfc) | cfg_type | (dev) | 0x80000000); \
- out_be32(hose->cfg_addr, addr); \
- __asm__ __volatile__("sync"); \
- cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \
- out_be32(hose->cfg_addr, addr & 0x7fffffff); \
- __asm__ __volatile__("sync"); \
- return 0; \
-}
-
-PCI_OP(read, byte, u8 *, in_8, 3)
-PCI_OP(read, word, u16 *, in_le16, 2)
-PCI_OP(write, byte, u8, out_8, 3)
-PCI_OP(write, word, u16, out_le16, 2)
-PCI_OP(write, dword, u32, out_le32, 0)
-
-int mpc8220_pci_read_config_dword(struct pci_controller *hose, pci_dev_t dev,
- int offset, u32 *val)
-{
- u32 addr;
- u32 tmpv;
- u32 mask = 2; /* word access */
- /* Read lower 16 bits */
- addr = ((offset & 0xfc) | (dev) | 0x80000000);
- out_be32(hose->cfg_addr, addr);
- __asm__ __volatile__("sync");
- *val = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
- out_be32(hose->cfg_addr, addr & 0x7fffffff);
- __asm__ __volatile__("sync");
-
- /* Read upper 16 bits */
- offset += 2;
- addr = ((offset & 0xfc) | 1 | (dev) | 0x80000000);
- out_be32(hose->cfg_addr, addr);
- __asm__ __volatile__("sync");
- tmpv = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask)));
- out_be32(hose->cfg_addr, addr & 0x7fffffff);
- __asm__ __volatile__("sync");
-
- /* combine results into dword value */
- *val = (tmpv << 16) | *val;
-
- return 0;
-}
-
-void
-pci_mpc8220_init(struct pci_controller *hose)
-{
- u32 win0, win1, win2;
- volatile mpc8220_xcpci_t *xcpci =
- (volatile mpc8220_xcpci_t *) MMAP_XCPCI;
-
- volatile pcfg8220_t *portcfg = (volatile pcfg8220_t *) MMAP_PCFG;
-
- win0 = (u32) CONFIG_PCI_MEM_PHYS;
- win1 = (u32) CONFIG_PCI_IO_PHYS;
- win2 = (u32) CONFIG_PCI_CFG_PHYS;
-
- /* Assert PCI reset */
- out_be32 (&xcpci->glb_stat_ctl, PCI_GLB_STAT_CTRL_PR);
-
- /* Disable prefetching but read-multiples will still prefetch */
- out_be32 (&xcpci->target_ctrl, 0x00000000);
-
- /* Initiator windows */
- out_be32 (&xcpci->init_win0, (win0 >> 16) | win0 | 0x003f0000);
- out_be32 (&xcpci->init_win1, ((win1 >> 16) | win1 ));
- out_be32 (&xcpci->init_win2, ((win2 >> 16) | win2 ));
-
- out_be32 (&xcpci->init_win_cfg,
- PCI_INIT_WIN_CFG_WIN0_CTRL_EN |
- PCI_INIT_WIN_CFG_WIN1_CTRL_EN | PCI_INIT_WIN_CFG_WIN1_CTRL_IO |
- PCI_INIT_WIN_CFG_WIN2_CTRL_EN | PCI_INIT_WIN_CFG_WIN2_CTRL_IO);
-
- out_be32 (&xcpci->init_ctrl, 0x00000000);
-
- /* Enable bus master and mem access */
- out_be32 (&xcpci->stat_cmd_reg, PCI_STAT_CMD_B | PCI_STAT_CMD_M);
-
- /* Cache line size and master latency */
- out_be32 (&xcpci->bist_htyp_lat_cshl, (0xf8 << PCI_CFG1_LT_SHIFT));
-
- out_be32 (&xcpci->base0, PCI_BASE_ADDR_REG0); /* 256MB - MBAR space */
- out_be32 (&xcpci->base1, PCI_BASE_ADDR_REG1); /* 1GB - SDRAM space */
-
- out_be32 (&xcpci->target_bar0,
- PCI_TARGET_BASE_ADDR_REG0 | PCI_TARGET_BASE_ADDR_EN);
- out_be32 (&xcpci->target_bar1,
- PCI_TARGET_BASE_ADDR_REG1 | PCI_TARGET_BASE_ADDR_EN);
-
- /* Deassert reset bit */
- out_be32 (&xcpci->glb_stat_ctl, 0x00000000);
-
- /* Enable PCI bus master support */
- /* Set PCIGNT1, PCIREQ1, PCIREQ0/PCIGNTIN, PCIGNT0/PCIREQOUT,
- PCIREQ2, PCIGNT2 */
- out_be32((volatile u32 *)&portcfg->pcfg3,
- (in_be32((volatile u32 *)&portcfg->pcfg3) & 0xFC3FCE7F));
- out_be32((volatile u32 *)&portcfg->pcfg3,
- (in_be32((volatile u32 *)&portcfg->pcfg3) | 0x01400180));
-
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- pci_set_region(hose->regions + 0,
- CONFIG_PCI_MEM_BUS,
- CONFIG_PCI_MEM_PHYS,
- CONFIG_PCI_MEM_SIZE,
- PCI_REGION_MEM);
-
- pci_set_region(hose->regions + 1,
- CONFIG_PCI_IO_BUS,
- CONFIG_PCI_IO_PHYS,
- CONFIG_PCI_IO_SIZE,
- PCI_REGION_IO);
-
- pci_set_region(hose->regions + 2,
- CONFIG_PCI_SYS_MEM_BUS,
- CONFIG_PCI_SYS_MEM_PHYS,
- CONFIG_PCI_SYS_MEM_SIZE,
- PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
- hose->region_count = 3;
-
- hose->cfg_addr = &(xcpci->cfg_adr);
- hose->cfg_data = (volatile unsigned char *)CONFIG_PCI_CFG_BUS;
-
- pci_set_ops(hose,
- mpc8220_pci_read_config_byte,
- mpc8220_pci_read_config_word,
- mpc8220_pci_read_config_dword,
- mpc8220_pci_write_config_byte,
- mpc8220_pci_write_config_word,
- mpc8220_pci_write_config_dword);
-
- /* Hose scan */
- pci_register_hose(hose);
- hose->last_busno = pci_hose_scan(hose);
-
- out_be32 (&xcpci->base0, PCI_BASE_ADDR_REG0); /* 256MB - MBAR space */
- out_be32 (&xcpci->base1, PCI_BASE_ADDR_REG1); /* 1GB - SDRAM space */
-}
-
-#endif /* CONFIG_PCI */
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