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Diffstat (limited to 'arch/powerpc/mach-mpc5xxx/pci_mpc5200.c')
-rw-r--r--arch/powerpc/mach-mpc5xxx/pci_mpc5200.c180
1 files changed, 0 insertions, 180 deletions
diff --git a/arch/powerpc/mach-mpc5xxx/pci_mpc5200.c b/arch/powerpc/mach-mpc5xxx/pci_mpc5200.c
deleted file mode 100644
index a3d62a168d..0000000000
--- a/arch/powerpc/mach-mpc5xxx/pci_mpc5200.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 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.
- *
- */
-
-#include <common.h>
-
-#if defined(CONFIG_PCI) && defined(CONFIG_MPC5200)
-
-#include <asm/processor.h>
-#include <io.h>
-#include <pci.h>
-#include <mpc5xxx.h>
-
-/* System RAM mapped over PCI */
-#define CONFIG_PCI_MEMORY_BUS CFG_SDRAM_BASE
-#define CONFIG_PCI_MEMORY_PHYS CFG_SDRAM_BASE
-#define CONFIG_PCI_MEMORY_SIZE (1024 * 1024 * 1024)
-
-/* PCIIWCR bit fields */
-#define IWCR_MEM (0 << 3)
-#define IWCR_IO (1 << 3)
-#define IWCR_READ (0 << 1)
-#define IWCR_READLINE (1 << 1)
-#define IWCR_READMULT (2 << 1)
-#define IWCR_EN (1 << 0)
-
-static int mpc5200_read_config_dword(struct pci_controller *hose,
- pci_dev_t dev, int offset, u32* value)
-{
- *(volatile u32 *)MPC5XXX_PCI_CAR = (1 << 31) | dev | offset;
- eieio();
- udelay(10);
-#if (defined CONFIG_PF5200 || defined CONFIG_CPCI5200)
- if (dev & 0x00ff0000) {
- u32 val;
- val = in_le16((volatile u16 *)(CONFIG_PCI_IO_PHYS+2));
- udelay(10);
- val = val << 16;
- val |= in_le16((volatile u16 *)(CONFIG_PCI_IO_PHYS+0));
- *value = val;
- } else {
- *value = in_le32((volatile u32 *)CONFIG_PCI_IO_PHYS);
- }
- udelay(10);
-#else
- *value = in_le32((volatile u32 *)CONFIG_PCI_IO_PHYS);
-#endif
- eieio();
- *(volatile u32 *)MPC5XXX_PCI_CAR = 0;
- udelay(10);
- return 0;
-}
-
-static int mpc5200_write_config_dword(struct pci_controller *hose,
- pci_dev_t dev, int offset, u32 value)
-{
- *(volatile u32 *)MPC5XXX_PCI_CAR = (1 << 31) | dev | offset;
- eieio();
- udelay(10);
- out_le32((volatile u32 *)CONFIG_PCI_IO_PHYS, value);
- eieio();
- *(volatile u32 *)MPC5XXX_PCI_CAR = 0;
- udelay(10);
- return 0;
-}
-
-void pci_mpc5xxx_init (struct pci_controller *hose)
-{
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- /* System space */
- pci_set_region(hose->regions + 0,
- CONFIG_PCI_MEMORY_BUS,
- CONFIG_PCI_MEMORY_PHYS,
- CONFIG_PCI_MEMORY_SIZE,
- PCI_REGION_MEM | PCI_REGION_MEMORY);
-
- /* PCI memory space */
- pci_set_region(hose->regions + 1,
- CONFIG_PCI_MEM_BUS,
- CONFIG_PCI_MEM_PHYS,
- CONFIG_PCI_MEM_SIZE,
- PCI_REGION_MEM);
-
- /* PCI IO space */
- pci_set_region(hose->regions + 2,
- CONFIG_PCI_IO_BUS,
- CONFIG_PCI_IO_PHYS,
- CONFIG_PCI_IO_SIZE,
- PCI_REGION_IO);
-
- hose->region_count = 3;
-
- pci_register_hose(hose);
-
- /* GPIO Multiplexing - enable PCI */
- *(vu_long *)MPC5XXX_GPS_PORT_CONFIG &= ~(1 << 15);
-
- /* Set host bridge as pci master and enable memory decoding */
- *(vu_long *)MPC5XXX_PCI_CMD |=
- PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
-
- /* Set maximum latency timer */
- *(vu_long *)MPC5XXX_PCI_CFG |= (0xf800);
-
- /* Set cache line size */
- *(vu_long *)MPC5XXX_PCI_CFG = (*(vu_long *)MPC5XXX_PCI_CFG & ~0xff) |
- (CACHELINE_SIZE / 4);
-
- /* Map MBAR to PCI space */
- *(vu_long *)MPC5XXX_PCI_BAR0 = CFG_MBAR;
- *(vu_long *)MPC5XXX_PCI_TBATR0 = CFG_MBAR | 1;
-
- /* Map RAM to PCI space */
- *(vu_long *)MPC5XXX_PCI_BAR1 = CONFIG_PCI_MEMORY_BUS | (1 << 3);
- *(vu_long *)MPC5XXX_PCI_TBATR1 = CONFIG_PCI_MEMORY_PHYS | 1;
-
- /* Park XLB on PCI */
- *(vu_long *)(MPC5XXX_XLBARB + 0x40) &= ~((7 << 8) | (3 << 5));
- *(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (3 << 8) | (3 << 5);
-
- /* Disable interrupts from PCI controller */
- *(vu_long *)MPC5XXX_PCI_GSCR &= ~(7 << 12);
- *(vu_long *)MPC5XXX_PCI_ICR &= ~(7 << 24);
-
- /* Set PCI retry counter to 0 = infinite retry. */
- /* The default of 255 is too short for slow devices. */
- *(vu_long *)MPC5XXX_PCI_ICR &= 0xFFFFFF00;
-
- /* Disable initiator windows */
- *(vu_long *)MPC5XXX_PCI_IWCR = 0;
-
- /* Map PCI memory to physical space */
- *(vu_long *)MPC5XXX_PCI_IW0BTAR = CONFIG_PCI_MEM_PHYS |
- (((CONFIG_PCI_MEM_SIZE - 1) >> 8) & 0x00ff0000) |
- (CONFIG_PCI_MEM_BUS >> 16);
- *(vu_long *)MPC5XXX_PCI_IWCR |= (IWCR_MEM | IWCR_READ | IWCR_EN) << 24;
-
- /* Map PCI I/O to physical space */
- *(vu_long *)MPC5XXX_PCI_IW1BTAR = CONFIG_PCI_IO_PHYS |
- (((CONFIG_PCI_IO_SIZE - 1) >> 8) & 0x00ff0000) |
- (CONFIG_PCI_IO_BUS >> 16);
- *(vu_long *)MPC5XXX_PCI_IWCR |= (IWCR_IO | IWCR_READ | IWCR_EN) << 16;
-
- /* Reset the PCI bus */
- *(vu_long *)MPC5XXX_PCI_GSCR |= 1;
- udelay(1000);
- *(vu_long *)MPC5XXX_PCI_GSCR &= ~1;
- udelay(1000);
-
- pci_set_ops(hose,
- pci_hose_read_config_byte_via_dword,
- pci_hose_read_config_word_via_dword,
- mpc5200_read_config_dword,
- pci_hose_write_config_byte_via_dword,
- pci_hose_write_config_word_via_dword,
- mpc5200_write_config_dword);
-
- udelay(1000);
-
-#ifdef CONFIG_PCI_SCAN_SHOW
- printf("PCI: Bus Dev VenId DevId Class Int\n");
-#endif
-
- hose->last_busno = pci_hose_scan(hose);
-}
-#endif /* CONFIG_PCI && CONFIG_MPC5200 */