Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / matrix_vision / mergerbox / pci.c
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 (file)
index 0000000..480f3ed
--- /dev/null
@@ -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);
+}