powerpc/p4080: Add support for the P4080DS board

Add support for the P4080DS board, with the following features:

* 36-bit only
* Boots from NOR flash
* FMAN drivers NOT supported
* SPD DDR initialization

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Ashish Kalra <Ashish.Kalra@freescale.com>
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Lan Chunhe-B25806 <b25806@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/board/freescale/corenet_ds/pci.c b/board/freescale/corenet_ds/pci.c
new file mode 100644
index 0000000000..2994e366c2
--- /dev/null
+++ b/board/freescale/corenet_ds/pci.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2007-2010 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <pci.h>
+#include <asm/fsl_pci.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <asm/fsl_serdes.h>
+
+#ifdef CONFIG_PCIE1
+static struct pci_controller pcie1_hose;
+#endif
+
+#ifdef CONFIG_PCIE2
+static struct pci_controller pcie2_hose;
+#endif
+
+#ifdef CONFIG_PCIE3
+static struct pci_controller pcie3_hose;
+#endif
+
+void pci_init_board(void)
+{
+	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	struct fsl_pci_info pci_info[3];
+	u32 devdisr;
+	int first_free_busno = 0;
+	int num = 0;
+
+	int pcie_ep, pcie_configured;
+
+	devdisr = in_be32(&gur->devdisr);
+
+	debug ("   pci_init_board: devdisr=%x\n", devdisr);
+
+#ifdef CONFIG_PCIE1
+	pcie_configured = is_serdes_configured(PCIE1);
+
+	if (pcie_configured && !(devdisr & FSL_CORENET_DEVDISR_PCIE1)) {
+		set_next_law(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M,
+				LAW_TRGT_IF_PCIE_1);
+		set_next_law(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_64K,
+				LAW_TRGT_IF_PCIE_1);
+		SET_STD_PCIE_INFO(pci_info[num], 1);
+		pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
+		printf("    PCIE1 connected to Slot 1 as %s (base addr %lx)\n",
+				pcie_ep ? "End Point" : "Root Complex",
+				pci_info[num].regs);
+		first_free_busno = fsl_pci_init_port(&pci_info[num++],
+				&pcie1_hose, first_free_busno);
+	} else {
+		printf ("    PCIE1: disabled\n");
+	}
+#else
+	setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE1); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE2
+	pcie_configured = is_serdes_configured(PCIE2);
+
+	if (pcie_configured && !(devdisr & FSL_CORENET_DEVDISR_PCIE2)) {
+		set_next_law(CONFIG_SYS_PCIE2_MEM_PHYS, LAW_SIZE_512M,
+				LAW_TRGT_IF_PCIE_2);
+		set_next_law(CONFIG_SYS_PCIE2_IO_PHYS, LAW_SIZE_64K,
+				LAW_TRGT_IF_PCIE_2);
+		SET_STD_PCIE_INFO(pci_info[num], 2);
+		pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
+		printf("    PCIE2 connected to Slot 3 as %s (base addr %lx)\n",
+				pcie_ep ? "End Point" : "Root Complex",
+				pci_info[num].regs);
+		first_free_busno = fsl_pci_init_port(&pci_info[num++],
+				&pcie2_hose, first_free_busno);
+	} else {
+		printf ("    PCIE2: disabled\n");
+	}
+#else
+	setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE2); /* disable */
+#endif
+
+#ifdef CONFIG_PCIE3
+	pcie_configured = is_serdes_configured(PCIE3);
+
+	if (pcie_configured && !(devdisr & FSL_CORENET_DEVDISR_PCIE3)) {
+		set_next_law(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_512M,
+				LAW_TRGT_IF_PCIE_3);
+		set_next_law(CONFIG_SYS_PCIE3_IO_PHYS, LAW_SIZE_64K,
+				LAW_TRGT_IF_PCIE_3);
+		SET_STD_PCIE_INFO(pci_info[num], 3);
+		pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs);
+		printf("    PCIE3 connected to Slot 2 as %s (base addr %lx)\n",
+				pcie_ep ? "End Point" : "Root Complex",
+				pci_info[num].regs);
+		first_free_busno = fsl_pci_init_port(&pci_info[num++],
+				&pcie3_hose, first_free_busno);
+	} else {
+		printf ("    PCIE3: disabled\n");
+	}
+#else
+	setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_PCIE3); /* disable */
+#endif
+}
+
+void pci_of_setup(void *blob, bd_t *bd)
+{
+	FT_FSL_PCI_SETUP;
+}