XPedite5370 board support

Initial support for Extreme Engineering Solutions XPedite5370 -
a MPC8572-based 3U VPX single board computer with a PMC/XMC
site.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

4 files changed, 465 insertions, 0 deletions

diff --git a/board/xes/common/Makefile b/board/xes/common/Makefile
new file mode 100644
index 0000000000..c5cd6331ef
--- /dev/null
+++ b/board/xes/common/Makefile
@@ -0,0 +1,56 @@
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.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.
+#
+# 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 $(TOPDIR)/config.mk
+
+ifneq ($(OBJTREE),$(SRCTREE))
+$(shell mkdir -p $(obj)board/$(VENDOR)/common)
+endif
+
+LIB	= $(obj)lib$(VENDOR).a
+
+COBJS-$(CONFIG_MPC8572)		+= fsl_8572_clk.o
+COBJS-$(CONFIG_MPC85xx)		+= fsl_85xx_ddr.o
+COBJS-$(CONFIG_FSL_PCI_INIT)	+= fsl_85xx_pci.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/xes/common/fsl_8572_clk.c b/board/xes/common/fsl_8572_clk.c
new file mode 100644
index 0000000000..f5df2dae84
--- /dev/null
+++ b/board/xes/common/fsl_8572_clk.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, 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>
+
+/*
+ * Return SYSCLK input frequency - 50 MHz or 66 MHz depending on POR config
+ */
+unsigned long get_board_sys_clk(ulong dummy)
+{
+	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	u32 gpporcr = gur->gpporcr;
+
+	if (gpporcr & 0x10000)
+		return 66666666;
+	else
+		return 50000000;
+}
+
+/*
+ * Return DDR input clock - synchronous with SYSCLK or 66 MHz
+ */
+unsigned long get_board_ddr_clk(ulong dummy)
+{
+	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	u32 ddr_ratio = ((gur->porpllsr) & 0x00003e00) >> 9;
+
+	if (ddr_ratio == 0x7)
+		return get_board_sys_clk(dummy);
+
+	return 66666666;
+}
diff --git a/board/xes/common/fsl_85xx_ddr.c b/board/xes/common/fsl_85xx_ddr.c
new file mode 100644
index 0000000000..30b4767019
--- /dev/null
+++ b/board/xes/common/fsl_85xx_ddr.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, 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 <asm/fsl_ddr_sdram.h>
+#include <asm/mmu.h>
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+phys_size_t initdram(int board_type)
+{
+	phys_size_t dram_size = fsl_ddr_sdram();
+
+	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+
+	dram_size *= 0x100000;
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+	/* Initialize and enable DDR ECC */
+	ddr_enable_ecc(dram_size);
+#endif
+
+	return dram_size;
+}
+
+#if defined(CONFIG_DDR_ECC) || (CONFIG_NUM_DDR_CONTROLLERS > 1)
+void board_add_ram_info(int use_default)
+{
+#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
+	volatile ccsr_ddr_t *ddr1 = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
+#endif
+
+	puts(" (");
+
+#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
+	/* Print interleaving information */
+	if (ddr1->cs0_config & 0x20000000) {
+		switch ((ddr1->cs0_config >> 24) & 0xf) {
+		case 0:
+			puts("cache line");
+			break;
+		case 1:
+			puts("page");
+			break;
+		case 2:
+			puts("bank");
+			break;
+		case 3:
+			puts("super-bank");
+			break;
+		default:
+			puts("invalid");
+			break;
+		}
+	} else {
+		puts("no");
+	}
+
+	puts(" interleaving");
+#endif
+
+#if (CONFIG_NUM_DDR_CONTROLLERS > 1) && defined(CONFIG_DDR_ECC)
+	puts(", ");
+#endif
+
+#if defined(CONFIG_DDR_ECC)
+	puts("ECC enabled");
+#endif
+
+	puts(")");
+}
+#endif /* CONFIG_DDR_ECC || CONFIG_NUM_DDR_CONTROLLERS > 1 */
diff --git a/board/xes/common/fsl_85xx_pci.c b/board/xes/common/fsl_85xx_pci.c
new file mode 100644
index 0000000000..b8e363ec96
--- /dev/null
+++ b/board/xes/common/fsl_85xx_pci.c
@@ -0,0 +1,265 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * Copyright 2007-2008 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 <pci.h>
+#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
+extern void fsl_pci_init(struct pci_controller *hose);
+
+int first_free_busno = 0;
+
+#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
+
+/* Correlate host/agent POR bits to usable info. Table 4-14 */
+struct host_agent_cfg_t {
+	uchar pcie_root[3];
+	uchar rio_host;
+} host_agent_cfg[8] = {
+	{{0, 0, 0}, 0},
+	{{0, 1, 1}, 1},
+	{{1, 0, 1}, 0},
+	{{1, 1, 0}, 1},
+	{{0, 0, 1}, 0},
+	{{0, 1, 0}, 1},
+	{{1, 0, 0}, 0},
+	{{1, 1, 1}, 1}
+};
+
+/* Correlate port width POR bits to usable info. Table 4-15 */
+struct io_port_cfg_t {
+	uchar pcie_width[3];
+	uchar rio_width;
+} io_port_cfg[16] = {
+	{{0, 0, 0}, 0},
+	{{0, 0, 0}, 0},
+	{{4, 0, 0}, 0},
+	{{4, 4, 0}, 0},
+	{{0, 0, 0}, 0},
+	{{0, 0, 0}, 0},
+	{{0, 0, 0}, 4},
+	{{4, 2, 2}, 0},
+	{{0, 0, 0}, 0},
+	{{0, 0, 0}, 0},
+	{{0, 0, 0}, 0},
+	{{4, 0, 0}, 4},
+	{{4, 0, 0}, 4},
+	{{0, 0, 0}, 4},
+	{{0, 0, 0}, 4},
+	{{8, 0, 0}, 0},
+};
+
+void pci_init_board(void)
+{
+	struct pci_controller *hose;
+	volatile ccsr_fsl_pci_t *pci;
+	int width;
+	int host;
+	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	uint devdisr = gur->devdisr;
+	uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+	uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+	struct pci_region *r;
+
+	debug("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
+			devdisr, io_sel, host_agent);
+
+#ifdef CONFIG_PCIE1
+	pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
+	hose = &pcie1_hose;
+	host = host_agent_cfg[host_agent].pcie_root[0];
+	width = io_port_cfg[io_sel].pcie_width[0];
+	r = hose->regions;
+
+	if (width && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
+		printf("\n    PCIE1 connected as %s (x%d)",
+			host ? "Root Complex" : "End Point", width);
+		if (pci->pme_msg_det) {
+			pci->pme_msg_det = 0xffffffff;
+			debug(" with errors.  Clearing.  Now 0x%08x",
+				pci->pme_msg_det);
+		}
+		printf("\n");
+
+		/* inbound */
+		r += fsl_pci_setup_inbound_windows(r);
+
+		/* outbound memory */
+		pci_set_region(r++,
+				CONFIG_SYS_PCIE1_MEM_BASE,
+				CONFIG_SYS_PCIE1_MEM_PHYS,
+				CONFIG_SYS_PCIE1_MEM_SIZE,
+				PCI_REGION_MEM);
+
+		/* outbound io */
+		pci_set_region(r++,
+				CONFIG_SYS_PCIE1_IO_BASE,
+				CONFIG_SYS_PCIE1_IO_PHYS,
+				CONFIG_SYS_PCIE1_IO_SIZE,
+				PCI_REGION_IO);
+
+		hose->region_count = r - hose->regions;
+
+		hose->first_busno = first_free_busno;
+		pci_setup_indirect(hose, (int)&pci->cfg_addr,
+					(int) &pci->cfg_data);
+
+		fsl_pci_init(hose);
+
+		first_free_busno = hose->last_busno+1;
+		printf("    PCIE1 on bus %02x - %02x\n",
+				hose->first_busno, hose->last_busno);
+	}
+#else
+	gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+#endif /* CONFIG_PCIE1 */
+
+#ifdef CONFIG_PCIE2
+	pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
+	hose = &pcie2_hose;
+	host = host_agent_cfg[host_agent].pcie_root[1];
+	width = io_port_cfg[io_sel].pcie_width[1];
+	r = hose->regions;
+
+	if (width && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
+		printf("\n    PCIE2 connected as %s (x%d)",
+			host ? "Root Complex" : "End Point", width);
+		if (pci->pme_msg_det) {
+			pci->pme_msg_det = 0xffffffff;
+			debug(" with errors.  Clearing.  Now 0x%08x",
+				pci->pme_msg_det);
+		}
+		printf("\n");
+
+		/* inbound */
+		r += fsl_pci_setup_inbound_windows(r);
+
+		/* outbound memory */
+		pci_set_region(r++,
+				CONFIG_SYS_PCIE2_MEM_BASE,
+				CONFIG_SYS_PCIE2_MEM_PHYS,
+				CONFIG_SYS_PCIE2_MEM_SIZE,
+				PCI_REGION_MEM);
+
+		/* outbound io */
+		pci_set_region(r++,
+				CONFIG_SYS_PCIE2_IO_BASE,
+				CONFIG_SYS_PCIE2_IO_PHYS,
+				CONFIG_SYS_PCIE2_IO_SIZE,
+				PCI_REGION_IO);
+
+		hose->region_count = r - hose->regions;
+
+		hose->first_busno = first_free_busno;
+		pci_setup_indirect(hose, (int)&pci->cfg_addr,
+					(int)&pci->cfg_data);
+
+		fsl_pci_init(hose);
+		first_free_busno = hose->last_busno+1;
+		printf("    PCIE2 on bus %02x - %02x\n",
+				hose->first_busno, hose->last_busno);
+
+	}
+#else
+	gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
+#endif /* CONFIG_PCIE2 */
+
+#ifdef CONFIG_PCIE3
+	pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
+	hose = &pcie3_hose;
+	host = host_agent_cfg[host_agent].pcie_root[2];
+	width = io_port_cfg[io_sel].pcie_width[2];
+	r = hose->regions;
+
+	if (width && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
+		printf("\n    PCIE3 connected as %s (x%d)",
+			host ? "Root Complex" : "End Point", width);
+		if (pci->pme_msg_det) {
+			pci->pme_msg_det = 0xffffffff;
+			debug(" with errors.  Clearing.  Now 0x%08x",
+				pci->pme_msg_det);
+		}
+		printf("\n");
+
+		/* inbound */
+		r += fsl_pci_setup_inbound_windows(r);
+
+		/* outbound memory */
+		pci_set_region(r++,
+				CONFIG_SYS_PCIE3_MEM_BASE,
+				CONFIG_SYS_PCIE3_MEM_PHYS,
+				CONFIG_SYS_PCIE3_MEM_SIZE,
+				PCI_REGION_MEM);
+
+		/* outbound io */
+		pci_set_region(r++,
+				CONFIG_SYS_PCIE3_IO_BASE,
+				CONFIG_SYS_PCIE3_IO_PHYS,
+				CONFIG_SYS_PCIE3_IO_SIZE,
+				PCI_REGION_IO);
+
+		hose->region_count = r - hose->regions;
+
+		hose->first_busno = first_free_busno;
+		pci_setup_indirect(hose, (int)&pci->cfg_addr,
+					(int)&pci->cfg_data);
+
+		fsl_pci_init(hose);
+		first_free_busno = hose->last_busno+1;
+		printf("    PCIE3 on bus %02x - %02x\n",
+				hose->first_busno, hose->last_busno);
+	}
+#else
+	gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
+#endif /* CONFIG_PCIE3 */
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
+				struct pci_controller *hose);
+
+void ft_board_pci_setup(void *blob, bd_t *bd)
+{
+#ifdef CONFIG_PCIE1
+	ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
+#endif
+#ifdef CONFIG_PCIE2
+	ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
+#endif
+#ifdef CONFIG_PCIE3
+	ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
+#endif
+}
+#endif /* CONFIG_OF_BOARD_SETUP */