diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/matrix_vision/mergerbox/pci.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/matrix_vision/mergerbox/pci.c')
-rw-r--r-- | qemu/roms/u-boot/board/matrix_vision/mergerbox/pci.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/matrix_vision/mergerbox/pci.c b/qemu/roms/u-boot/board/matrix_vision/mergerbox/pci.c new file mode 100644 index 000000000..480f3ed38 --- /dev/null +++ b/qemu/roms/u-boot/board/matrix_vision/mergerbox/pci.c @@ -0,0 +1,128 @@ +/* + * Copyright (C) 2006-2009 Freescale Semiconductor, Inc. + * + * Copyright (C) 2011 Matrix Vision GmbH + * Andre Schwarz <andre.schwarz@matrix-vision.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mpc83xx.h> +#include <pci.h> +#include <asm/io.h> +#include <asm/fsl_mpc83xx_serdes.h> +#include "mergerbox.h" +#include "fpga.h" +#include "../common/mv_common.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 = (immap_t *)CONFIG_SYS_IMMR; + volatile sysconf83xx_t *sysconf = &immr->sysconf; + volatile clk83xx_t *clk = (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, }; + + volatile gpio83xx_t *gpio; + gpio = (gpio83xx_t *)&immr->gpio[0]; + + gpio->dat = MV_GPIO1_DAT; + gpio->odr = MV_GPIO1_ODE; + gpio->dir = MV_GPIO1_OUT; + + gpio = (gpio83xx_t *)&immr->gpio[1]; + + gpio->dat = MV_GPIO2_DAT; + gpio->odr = MV_GPIO2_ODE; + gpio->dir = MV_GPIO2_OUT; + + printf("SICRH / SICRL : 0x%08x / 0x%08x\n", immr->sysconf.sicrh, + immr->sysconf.sicrl); + + /* Enable PCI_CLK[0:1] */ + clk->occr |= 0xc0000000; + udelay(2000); + + mergerbox_init_fpga(); + mv_load_fpga(); + + mergerbox_tft_dim(0); + + /* 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; + + udelay(2000); + + mpc83xx_pci_init(1, reg); + + /* Deassert the resets in the control register */ + out_be32(&sysconf->pecr1, 0xE0008000); + out_be32(&sysconf->pecr2, 0xE0008000); + udelay(2000); + + 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); +} |