mpc83xx: Add support for MergerBox board

Includes board config file, documentation, maintainer and boards.cfg
entries, and board specific files in vendor dir.

Signed-off-by: Andre Schwarz <andre.schwarz@matrix-vision.de>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

1 files changed, 134 insertions, 0 deletions

diff --git a/board/matrix_vision/mergerbox/pci.c b/board/matrix_vision/mergerbox/pci.c
new file mode 100644
index 000000000..8bc834270
--- /dev/null
+++ b/board/matrix_vision/mergerbox/pci.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
+ *
+ * Copyright (C) 2011 Matrix Vision GmbH
+ * Andre Schwarz <andre.schwarz@matrix-vision.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#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);
+}