diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mpc837xerdb/pci.c')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc837xerdb/pci.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mpc837xerdb/pci.c b/qemu/roms/u-boot/board/freescale/mpc837xerdb/pci.c deleted file mode 100644 index 8f50c9366..000000000 --- a/qemu/roms/u-boot/board/freescale/mpc837xerdb/pci.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright (C) 2006-2009 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc83xx.h> -#include <pci.h> -#include <asm/io.h> - -static struct pci_region pci_regions[] = { - { - bus_start: CONFIG_SYS_PCI_MEM_BASE, - phys_start: CONFIG_SYS_PCI_MEM_PHYS, - size: CONFIG_SYS_PCI_MEM_SIZE, - flags: PCI_REGION_MEM | PCI_REGION_PREFETCH - }, - { - bus_start: CONFIG_SYS_PCI_MMIO_BASE, - phys_start: CONFIG_SYS_PCI_MMIO_PHYS, - size: CONFIG_SYS_PCI_MMIO_SIZE, - flags: PCI_REGION_MEM - }, - { - bus_start: CONFIG_SYS_PCI_IO_BASE, - phys_start: CONFIG_SYS_PCI_IO_PHYS, - size: CONFIG_SYS_PCI_IO_SIZE, - flags: PCI_REGION_IO - } -}; - -static struct pci_region pcie_regions_0[] = { - { - .bus_start = CONFIG_SYS_PCIE1_MEM_BASE, - .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, - .size = CONFIG_SYS_PCIE1_MEM_SIZE, - .flags = PCI_REGION_MEM, - }, - { - .bus_start = CONFIG_SYS_PCIE1_IO_BASE, - .phys_start = CONFIG_SYS_PCIE1_IO_PHYS, - .size = CONFIG_SYS_PCIE1_IO_SIZE, - .flags = PCI_REGION_IO, - }, -}; - -static struct pci_region pcie_regions_1[] = { - { - .bus_start = CONFIG_SYS_PCIE2_MEM_BASE, - .phys_start = CONFIG_SYS_PCIE2_MEM_PHYS, - .size = CONFIG_SYS_PCIE2_MEM_SIZE, - .flags = PCI_REGION_MEM, - }, - { - .bus_start = CONFIG_SYS_PCIE2_IO_BASE, - .phys_start = CONFIG_SYS_PCIE2_IO_PHYS, - .size = CONFIG_SYS_PCIE2_IO_SIZE, - .flags = PCI_REGION_IO, - }, -}; - -void pci_init_board(void) -{ - volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; - volatile sysconf83xx_t *sysconf = &immr->sysconf; - volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; - volatile law83xx_t *pci_law = immr->sysconf.pcilaw; - volatile law83xx_t *pcie_law = sysconf->pcielaw; - struct pci_region *reg[] = { pci_regions }; - struct pci_region *pcie_reg[] = { pcie_regions_0, pcie_regions_1, }; - u32 spridr = in_be32(&immr->sysconf.spridr); - - /* Enable all 5 PCI_CLK_OUTPUTS */ - clk->occr |= 0xf8000000; - udelay(2000); - - /* Configure PCI Local Access Windows */ - pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR; - pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; - - pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR; - pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; - - mpc83xx_pci_init(1, reg); - - /* There is no PEX in MPC8379 parts. */ - if (PARTID_NO_E(spridr) == SPR_8379) - return; - - /* Configure the clock for PCIE controller */ - clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM | SCCR_PCIEXP2CM, - SCCR_PCIEXP1CM_1 | SCCR_PCIEXP2CM_1); - - /* Deassert the resets in the control register */ - out_be32(&sysconf->pecr1, 0xE0008000); - out_be32(&sysconf->pecr2, 0xE0008000); - udelay(2000); - - /* Configure PCI Express Local Access Windows */ - out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); - out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); - - out_be32(&pcie_law[1].bar, CONFIG_SYS_PCIE2_BASE & LAWBAR_BAR); - out_be32(&pcie_law[1].ar, LBLAWAR_EN | LBLAWAR_512MB); - - mpc83xx_pcie_init(2, pcie_reg); -} |