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@@ -1,167 +0,0 @@
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-/*
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- * (C) Copyright 2004 Tundra Semiconductor Corp.
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- * Alex Bounine <alexandreb@tundra.com>
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- *
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- * SPDX-License-Identifier: GPL-2.0+
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- */
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-
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-/*
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- * PCI initialisation for the Tsi108 EMU board.
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- */
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-
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-#include <config.h>
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-
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-#include <common.h>
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-#include <pci.h>
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-#include <asm/io.h>
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-#include <tsi108.h>
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-#if defined(CONFIG_OF_LIBFDT)
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-#include <libfdt.h>
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-#include <fdt_support.h>
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-#endif
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-
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-struct pci_controller local_hose;
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-
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-void tsi108_clear_pci_error (void)
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-{
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- u32 err_stat, err_addr, pci_stat;
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-
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- /*
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- * Quietly clear errors signalled as result of PCI/X configuration read
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- * requests.
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- */
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- /* Read PB Error Log Registers */
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- err_stat = *(volatile u32 *)(CONFIG_SYS_TSI108_CSR_BASE +
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- TSI108_PB_REG_OFFSET + PB_ERRCS);
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- err_addr = *(volatile u32 *)(CONFIG_SYS_TSI108_CSR_BASE +
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- TSI108_PB_REG_OFFSET + PB_AERR);
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- if (err_stat & PB_ERRCS_ES) {
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- /* Clear PCI/X bus errors if applicable */
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- if ((err_addr & 0xFF000000) == CONFIG_SYS_PCI_CFG_BASE) {
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- /* Clear error flag */
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- *(u32 *) (CONFIG_SYS_TSI108_CSR_BASE +
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- TSI108_PB_REG_OFFSET + PB_ERRCS) =
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- PB_ERRCS_ES;
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-
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- /* Clear read error reported in PB_ISR */
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- *(u32 *) (CONFIG_SYS_TSI108_CSR_BASE +
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- TSI108_PB_REG_OFFSET + PB_ISR) =
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- PB_ISR_PBS_RD_ERR;
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-
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- /* Clear errors reported by PCI CSR (Normally Master Abort) */
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- pci_stat = *(volatile u32 *)(CONFIG_SYS_TSI108_CSR_BASE +
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- TSI108_PCI_REG_OFFSET +
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- PCI_CSR);
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- *(volatile u32 *)(CONFIG_SYS_TSI108_CSR_BASE +
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- TSI108_PCI_REG_OFFSET + PCI_CSR) =
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- pci_stat;
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-
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- *(volatile u32 *)(CONFIG_SYS_TSI108_CSR_BASE +
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- TSI108_PCI_REG_OFFSET +
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- PCI_IRP_STAT) = PCI_IRP_STAT_P_CSR;
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- }
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- }
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-
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- return;
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-}
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-
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-unsigned int __get_pci_config_dword (u32 addr)
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-{
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- unsigned int retval;
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-
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- __asm__ __volatile__ (" lwbrx %0,0,%1\n"
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- "1: eieio\n"
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- "2:\n"
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- ".section .fixup,\"ax\"\n"
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- "3: li %0,-1\n"
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- " b 2b\n"
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- ".section __ex_table,\"a\"\n"
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- " .align 2\n"
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- " .long 1b,3b\n"
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- ".section .text.__get_pci_config_dword"
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- : "=r"(retval) : "r"(addr));
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-
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- return (retval);
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-}
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-
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-static int tsi108_read_config_dword (struct pci_controller *hose,
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- pci_dev_t dev, int offset, u32 * value)
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-{
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- dev &= (CONFIG_SYS_PCI_CFG_SIZE - 1);
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- dev |= (CONFIG_SYS_PCI_CFG_BASE | (offset & 0xfc));
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- *value = __get_pci_config_dword(dev);
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- if (0xFFFFFFFF == *value)
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- tsi108_clear_pci_error ();
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- return 0;
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-}
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-
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-static int tsi108_write_config_dword (struct pci_controller *hose,
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- pci_dev_t dev, int offset, u32 value)
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-{
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- dev &= (CONFIG_SYS_PCI_CFG_SIZE - 1);
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- dev |= (CONFIG_SYS_PCI_CFG_BASE | (offset & 0xfc));
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-
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- out_le32 ((volatile unsigned *)dev, value);
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-
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- return 0;
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-}
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-
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-void pci_init_board (void)
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-{
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- struct pci_controller *hose = (struct pci_controller *)&local_hose;
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-
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- hose->first_busno = 0;
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- hose->last_busno = 0xff;
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-
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- pci_set_region (hose->regions + 0,
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- CONFIG_SYS_PCI_MEMORY_BUS,
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- CONFIG_SYS_PCI_MEMORY_PHYS,
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- CONFIG_SYS_PCI_MEMORY_SIZE, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
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-
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- /* PCI memory space */
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- pci_set_region (hose->regions + 1,
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- CONFIG_SYS_PCI_MEM_BUS,
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- CONFIG_SYS_PCI_MEM_PHYS, CONFIG_SYS_PCI_MEM_SIZE, PCI_REGION_MEM);
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-
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- /* PCI I/O space */
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- pci_set_region (hose->regions + 2,
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- CONFIG_SYS_PCI_IO_BUS,
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- CONFIG_SYS_PCI_IO_PHYS, CONFIG_SYS_PCI_IO_SIZE, PCI_REGION_IO);
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-
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- hose->region_count = 3;
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-
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- pci_set_ops (hose,
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- pci_hose_read_config_byte_via_dword,
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- pci_hose_read_config_word_via_dword,
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- tsi108_read_config_dword,
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- pci_hose_write_config_byte_via_dword,
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- pci_hose_write_config_word_via_dword,
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- tsi108_write_config_dword);
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-
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- pci_register_hose (hose);
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-
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- hose->last_busno = pci_hose_scan (hose);
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-
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- debug ("Done PCI initialization\n");
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- return;
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-}
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-
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-#if defined(CONFIG_OF_LIBFDT)
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-void ft_pci_setup(void *blob, bd_t *bd)
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-{
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- int nodeoffset;
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- int tmp[2];
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- const char *path;
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-
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- nodeoffset = fdt_path_offset(blob, "/aliases");
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- if (nodeoffset >= 0) {
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- path = fdt_getprop(blob, nodeoffset, "pci", NULL);
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- if (path) {
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- tmp[0] = cpu_to_be32(local_hose.first_busno);
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- tmp[1] = cpu_to_be32(local_hose.last_busno);
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- do_fixup_by_path(blob, path, "bus-range",
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- &tmp, sizeof(tmp), 1);
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- }
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- }
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-}
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-#endif /* CONFIG_OF_LIBFDT */
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