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Diffstat (limited to 'cpu/mpc86xx/pcie_indirect.c')
-rw-r--r--cpu/mpc86xx/pcie_indirect.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/cpu/mpc86xx/pcie_indirect.c b/cpu/mpc86xx/pcie_indirect.c
deleted file mode 100644
index b00ad76..0000000
--- a/cpu/mpc86xx/pcie_indirect.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * Support for indirect PCI bridges.
- *
- * Copyright (c) Freescale Semiconductor, Inc.
- * 2006. All rights reserved.
- *
- * Jason Jin <Jason.jin@freescale.com>
- *
- * 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.
- *
- * partly derived from
- * arch/powerpc/platforms/86xx/mpc86xx_pcie.c
- */
-
-#include <common.h>
-
-#ifdef CONFIG_PCI
-
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <pci.h>
-
-#define PCI_CFG_OUT out_be32
-#define PEX_FIX out_be32(hose->cfg_addr+0x4, 0x0400ffff)
-
-static int
-indirect_read_config_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- int len,
- u32 *val)
-{
- int bus = PCI_BUS(dev);
-
- volatile unsigned char *cfg_data;
- u32 temp;
-
- PEX_FIX;
- if (bus == 0xff) {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000001);
- } else {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000000);
- }
- /*
- * 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;
- PEX_FIX;
- temp = in_le32((u32 *) 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 0;
-}
-
-static int
-indirect_write_config_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- int len,
- u32 val)
-{
- int bus = PCI_BUS(dev);
- volatile unsigned char *cfg_data;
- u32 temp;
-
- PEX_FIX;
- if (bus == 0xff) {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000001);
- } else {
- PCI_CFG_OUT(hose->cfg_addr,
- dev | (offset & 0xfc) | 0x80000000);
- }
-
- /*
- * 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:
- PEX_FIX;
- temp = in_le32((u32 *) cfg_data);
- temp = (temp & ~(0xff << ((offset & 3) * 8))) |
- (val << ((offset & 3) * 8));
- PEX_FIX;
- out_le32((u32 *) cfg_data, temp);
- break;
- case 2:
- PEX_FIX;
- temp = in_le32((u32 *) cfg_data);
- temp = (temp & ~(0xffff << ((offset & 3) * 8)));
- temp |= (val << ((offset & 3) * 8));
- PEX_FIX;
- out_le32((u32 *) cfg_data, temp);
- break;
- default:
- PEX_FIX;
- out_le32((u32 *) cfg_data, val);
- break;
- }
- PEX_FIX;
- return 0;
-}
-
-static int
-indirect_read_config_byte_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u8 *val)
-{
- u32 val32;
- indirect_read_config_pcie(hose, dev, offset, 1, &val32);
- *val = (u8) val32;
- return 0;
-}
-
-static int
-indirect_read_config_word_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u16 *val)
-{
- u32 val32;
- indirect_read_config_pcie(hose, dev, offset, 2, &val32);
- *val = (u16) val32;
- return 0;
-}
-
-static int
-indirect_read_config_dword_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u32 *val)
-{
- return indirect_read_config_pcie(hose, dev, offset, 4, val);
-}
-
-static int
-indirect_write_config_byte_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u8 val)
-{
- return indirect_write_config_pcie(hose, dev, offset, 1, (u32) val);
-}
-
-static int
-indirect_write_config_word_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- unsigned short val)
-{
- return indirect_write_config_pcie(hose, dev, offset, 2, (u32) val);
-}
-
-static int
-indirect_write_config_dword_pcie(struct pci_controller *hose,
- pci_dev_t dev,
- int offset,
- u32 val)
-{
- return indirect_write_config_pcie(hose, dev, offset, 4, val);
-}
-
-void
-pcie_setup_indirect(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
-{
- pci_set_ops(hose,
- indirect_read_config_byte_pcie,
- indirect_read_config_word_pcie,
- indirect_read_config_dword_pcie,
- indirect_write_config_byte_pcie,
- indirect_write_config_word_pcie,
- indirect_write_config_dword_pcie);
-
- hose->cfg_addr = (unsigned int *)cfg_addr;
- hose->cfg_data = (unsigned char *)cfg_data;
-}
-
-#endif /* CONFIG_PCI */