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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/matrix_vision/mergerbox/pci.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.c128
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);
+}