From bf7c036fb48a6176635f2e7b749d7398728d4b7d Mon Sep 17 00:00:00 2001 From: Zhang Wei Date: Tue, 22 May 2007 11:38:26 +0800 Subject: [POWERPC] Remove PCI-e errata for MPC8641 silicon ver 1.0 Remove errata for PCI-e support of Rev 1.0 of MPC8641 since its considered obselete and is not production level silicon from Freescale. Signed-off-by: Zhang Wei Acked-by: Roy Zang Signed-off-by: Kumar Gala --- arch/powerpc/sysdev/fsl_pcie.c | 171 ----------------------------------------- 1 file changed, 171 deletions(-) delete mode 100644 arch/powerpc/sysdev/fsl_pcie.c (limited to 'arch/powerpc/sysdev/fsl_pcie.c') diff --git a/arch/powerpc/sysdev/fsl_pcie.c b/arch/powerpc/sysdev/fsl_pcie.c deleted file mode 100644 index ea3ec6bfd57..00000000000 --- a/arch/powerpc/sysdev/fsl_pcie.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Support for indirect PCI bridges. - * - * Copyright (C) 1998 Gabriel Paubert. - * - * 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. - * - * "Temporary" MPC8548 Errata file - - * The standard indirect_pci code should work with future silicon versions. - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#define PCI_CFG_OUT out_be32 - -/* ERRATA PCI-Ex 14 PCIE Controller timeout */ -#define PCIE_FIX out_be32(hose->cfg_addr+0x4, 0x0400ffff) - - -static int -indirect_read_config_pcie(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) -{ - struct pci_controller *hose = bus->sysdata; - volatile void __iomem *cfg_data; - u32 temp; - - if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) - return PCIBIOS_DEVICE_NOT_FOUND; - - /* Possible artifact of CDCpp50937 needs further investigation */ - if (devfn != 0x0 && bus->number == 0xff) - return PCIBIOS_DEVICE_NOT_FOUND; - - PCIE_FIX; - if (bus->number == 0xff) { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((offset & 0xf00) << 16) | - (bus->number<< 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } else { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000001 | ((offset & 0xf00) << 16) | - (bus->number<< 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } - - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - /* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */ - cfg_data = hose->cfg_data; - PCIE_FIX; - temp = in_le32(cfg_data); - switch (len) { - case 1: - *val = (temp >> (((offset & 3))*8)) & 0xff; - break; - case 2: - *val = (temp >> (((offset & 3))*8)) & 0xffff; - break; - default: - *val = temp; - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static int -indirect_write_config_pcie(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) -{ - struct pci_controller *hose = bus->sysdata; - volatile void __iomem *cfg_data; - u32 temp; - - if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) - return PCIBIOS_DEVICE_NOT_FOUND; - - /* Possible artifact of CDCpp50937 needs further investigation */ - if (devfn != 0x0 && bus->number == 0xff) - return PCIBIOS_DEVICE_NOT_FOUND; - - PCIE_FIX; - if (bus->number == 0xff) { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((offset & 0xf00) << 16) | - (bus->number << 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } else { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000001 | ((offset & 0xf00) << 16) | - (bus->number << 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } - - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - /* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */ - cfg_data = hose->cfg_data; - switch (len) { - case 1: - PCIE_FIX; - temp = in_le32(cfg_data); - temp = (temp & ~(0xff << ((offset & 3) * 8))) | - (val << ((offset & 3) * 8)); - PCIE_FIX; - out_le32(cfg_data, temp); - break; - case 2: - PCIE_FIX; - temp = in_le32(cfg_data); - temp = (temp & ~(0xffff << ((offset & 3) * 8))); - temp |= (val << ((offset & 3) * 8)) ; - PCIE_FIX; - out_le32(cfg_data, temp); - break; - default: - PCIE_FIX; - out_le32(cfg_data, val); - break; - } - PCIE_FIX; - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops indirect_pcie_ops = { - indirect_read_config_pcie, - indirect_write_config_pcie -}; - -void __init -setup_indirect_pcie_nomap(struct pci_controller* hose, void __iomem * cfg_addr, - void __iomem * cfg_data) -{ - hose->cfg_addr = cfg_addr; - hose->cfg_data = cfg_data; - hose->ops = &indirect_pcie_ops; -} - -void __init -setup_indirect_pcie(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data) -{ - unsigned long base = cfg_addr & PAGE_MASK; - void __iomem *mbase, *addr, *data; - - mbase = ioremap(base, PAGE_SIZE); - addr = mbase + (cfg_addr & ~PAGE_MASK); - if ((cfg_data & PAGE_MASK) != base) - mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE); - data = mbase + (cfg_data & ~PAGE_MASK); - setup_indirect_pcie_nomap(hose, addr, data); -} -- cgit v1.2.3