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Diffstat (limited to 'qemu/roms/u-boot/board/matrix_vision/mvblm7/pci.c')
-rw-r--r--qemu/roms/u-boot/board/matrix_vision/mvblm7/pci.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/matrix_vision/mvblm7/pci.c b/qemu/roms/u-boot/board/matrix_vision/mvblm7/pci.c
new file mode 100644
index 000000000..f14837ad4
--- /dev/null
+++ b/qemu/roms/u-boot/board/matrix_vision/mvblm7/pci.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) Freescale Semiconductor, Inc. 2006.
+ *
+ * (C) Copyright 2008
+ * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+#include <pci.h>
+#include <mpc83xx.h>
+#include <fpga.h>
+#include "mvblm7.h"
+#include "fpga.h"
+#include "../common/mv_common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct pci_region pci_regions[] = {
+ {
+ bus_start: CONFIG_SYS_PCI1_MEM_BASE,
+ phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
+ size: CONFIG_SYS_PCI1_MEM_SIZE,
+ flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
+ },
+ {
+ bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
+ phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
+ size: CONFIG_SYS_PCI1_MMIO_SIZE,
+ flags: PCI_REGION_MEM
+ },
+ {
+ bus_start: CONFIG_SYS_PCI1_IO_BASE,
+ phys_start: CONFIG_SYS_PCI1_IO_PHYS,
+ size: CONFIG_SYS_PCI1_IO_SIZE,
+ flags: PCI_REGION_IO
+ }
+};
+
+void pci_init_board(void)
+{
+ int i;
+ volatile immap_t *immr;
+ volatile pcictrl83xx_t *pci_ctrl;
+ volatile gpio83xx_t *gpio;
+ volatile clk83xx_t *clk;
+ volatile law83xx_t *pci_law;
+ struct pci_region *reg[] = { pci_regions };
+
+ immr = (immap_t *) CONFIG_SYS_IMMR;
+ clk = (clk83xx_t *) &immr->clk;
+ pci_ctrl = immr->pci_ctrl;
+ pci_law = immr->sysconf.pcilaw;
+ gpio = (volatile gpio83xx_t *)&immr->gpio[0];
+
+ gpio->dat = MV_GPIO_DAT;
+ gpio->odr = MV_GPIO_ODE;
+ gpio->dir = MV_GPIO_OUT;
+
+ printf("SICRH / SICRL : 0x%08x / 0x%08x\n", immr->sysconf.sicrh,
+ immr->sysconf.sicrl);
+
+ mvblm7_init_fpga();
+ mv_load_fpga();
+
+ gpio->dir = MV_GPIO_OUT & ~(FPGA_DIN|FPGA_CCLK);
+
+ /* Enable PCI_CLK_OUTPUTs 0 and 1 with 1:1 clocking */
+ clk->occr = 0xc0000000;
+
+ pci_ctrl[0].gcr = 0;
+ udelay(2000);
+ pci_ctrl[0].gcr = 1;
+
+ for (i = 0; i < 1000; ++i)
+ udelay(1000);
+
+ pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
+ pci_law[0].ar = LBLAWAR_EN | LBLAWAR_1GB;
+
+ pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
+ pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
+
+ mpc83xx_pci_init(1, reg);
+}