mpc85xx: Add support for the MPC8536DS reference board
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
Signed-off-by: Dejan Minic <minic@freescale.com>
Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/freescale/mpc8536ds/Makefile b/board/freescale/mpc8536ds/Makefile
new file mode 100644
index 0000000..7fcbdaa
--- /dev/null
+++ b/board/freescale/mpc8536ds/Makefile
@@ -0,0 +1,54 @@
+#
+# Copyright 2008 Freescale Semiconductor.
+# (C) Copyright 2001-2006
+# 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
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS-y += $(BOARD).o
+COBJS-y += ddr.o
+COBJS-y += law.o
+COBJS-y += tlb.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS) $(SOBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/mpc8536ds/config.mk b/board/freescale/mpc8536ds/config.mk
new file mode 100644
index 0000000..9775ff4
--- /dev/null
+++ b/board/freescale/mpc8536ds/config.mk
@@ -0,0 +1,32 @@
+#
+# Copyright 2008 Freescale Semiconductor.
+#
+# 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
+#
+
+#
+# mpc8536ds board
+#
+ifndef TEXT_BASE
+TEXT_BASE = 0xeff80000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8536=1
diff --git a/board/freescale/mpc8536ds/ddr.c b/board/freescale/mpc8536ds/ddr.c
new file mode 100644
index 0000000..2e88c79
--- /dev/null
+++ b/board/freescale/mpc8536ds/ddr.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#include <common.h>
+#include <i2c.h>
+
+#include <asm/fsl_ddr_sdram.h>
+
+static void get_spd(ddr2_spd_eeprom_t *spd, unsigned char i2c_address)
+{
+ i2c_read(i2c_address, 0, 1, (uchar *)spd, sizeof(ddr2_spd_eeprom_t));
+}
+
+unsigned int fsl_ddr_get_mem_data_rate(void)
+{
+ return get_ddr_freq(0);
+}
+
+void fsl_ddr_get_spd(ddr2_spd_eeprom_t *ctrl_dimms_spd,
+ unsigned int ctrl_num)
+{
+ unsigned int i;
+
+ if (ctrl_num) {
+ printf("%s unexpected ctrl_num = %u\n", __FUNCTION__, ctrl_num);
+ return;
+ }
+
+ for (i = 0; i < CONFIG_DIMM_SLOTS_PER_CTLR; i++) {
+ get_spd(&(ctrl_dimms_spd[i]), SPD_EEPROM_ADDRESS);
+ }
+}
+
+void fsl_ddr_board_options(memctl_options_t *popts, unsigned int ctrl_num)
+{
+ /*
+ * Factors to consider for clock adjust:
+ * - number of chips on bus
+ * - position of slot
+ * - DDR1 vs. DDR2?
+ * - ???
+ *
+ * This needs to be determined on a board-by-board basis.
+ * 0110 3/4 cycle late
+ * 0111 7/8 cycle late
+ */
+ popts->clk_adjust = 7;
+
+ /*
+ * Factors to consider for CPO:
+ * - frequency
+ * - ddr1 vs. ddr2
+ */
+ popts->cpo_override = 10;
+
+ /*
+ * Factors to consider for write data delay:
+ * - number of DIMMs
+ *
+ * 1 = 1/4 clock delay
+ * 2 = 1/2 clock delay
+ * 3 = 3/4 clock delay
+ * 4 = 1 clock delay
+ * 5 = 5/4 clock delay
+ * 6 = 3/2 clock delay
+ */
+ popts->write_data_delay = 3;
+
+ /*
+ * Factors to consider for half-strength driver enable:
+ * - number of DIMMs installed
+ */
+ popts->half_strength_driver_enable = 0;
+}
diff --git a/board/freescale/mpc8536ds/law.c b/board/freescale/mpc8536ds/law.c
new file mode 100644
index 0000000..cdf5215
--- /dev/null
+++ b/board/freescale/mpc8536ds/law.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * 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 <common.h>
+#include <asm/fsl_law.h>
+#include <asm/mmu.h>
+
+struct law_entry law_table[] = {
+ SET_LAW(CFG_PCI1_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCI),
+ SET_LAW(CFG_PCI1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCI),
+ SET_LAW(CFG_FLASH_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+ SET_LAW(CFG_PCIE1_MEM_PHYS, LAWAR_SIZE_128M, LAW_TRGT_IF_PCIE_1),
+ SET_LAW(CFG_PCIE1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_1),
+ SET_LAW(CFG_PCIE2_MEM_PHYS, LAWAR_SIZE_128M, LAW_TRGT_IF_PCIE_2),
+ SET_LAW(CFG_PCIE2_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_2),
+ SET_LAW(CFG_PCIE3_MEM_PHYS, LAWAR_SIZE_512M, LAW_TRGT_IF_PCIE_3),
+ SET_LAW(CFG_PCIE3_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCIE_3),
+ SET_LAW(PIXIS_BASE, LAW_SIZE_4K, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/freescale/mpc8536ds/mpc8536ds.c b/board/freescale/mpc8536ds/mpc8536ds.c
new file mode 100644
index 0000000..8216c70
--- /dev/null
+++ b/board/freescale/mpc8536ds/mpc8536ds.c
@@ -0,0 +1,653 @@
+/*
+ * Copyright 2008 Freescale Semiconductor.
+ *
+ * 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/processor.h>
+#include <asm/mmu.h>
+#include <asm/immap_85xx.h>
+#include <asm/immap_fsl_pci.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/io.h>
+#include <spd.h>
+#include <miiphy.h>
+#include <libfdt.h>
+#include <spd_sdram.h>
+#include <fdt_support.h>
+
+#include "../common/pixis.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 fixed_sdram(void);
+
+int checkboard (void)
+{
+ printf ("Board: MPC8536DS, System ID: 0x%02x, "
+ "System Version: 0x%02x, FPGA Version: 0x%02x\n",
+ in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
+ in8(PIXIS_BASE + PIXIS_PVER));
+ return 0;
+}
+
+phys_size_t
+initdram(int board_type)
+{
+ phys_size_t dram_size = 0;
+
+ puts("Initializing....");
+
+#ifdef CONFIG_SPD_EEPROM
+ dram_size = fsl_ddr_sdram();
+
+ dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+
+ dram_size *= 0x100000;
+#else
+ dram_size = fixed_sdram();
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(dram_size);
+#endif
+ puts(" DDR: ");
+ return dram_size;
+}
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*
+ * Fixed sdram init -- doesn't use serial presence detect.
+ */
+
+phys_size_t fixed_sdram (void)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_ddr_t *ddr= &immap->im_ddr;
+ uint d_init;
+
+ ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+ ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+
+ ddr->timing_cfg_3 = CFG_DDR_TIMING_3;
+ ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
+ ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+ ddr->sdram_mode = CFG_DDR_MODE_1;
+ ddr->sdram_mode_2 = CFG_DDR_MODE_2;
+ ddr->sdram_interval = CFG_DDR_INTERVAL;
+ ddr->sdram_data_init = CFG_DDR_DATA_INIT;
+ ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
+ ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
+
+#if defined (CONFIG_DDR_ECC)
+ ddr->err_int_en = CFG_DDR_ERR_INT_EN;
+ ddr->err_disable = CFG_DDR_ERR_DIS;
+ ddr->err_sbe = CFG_DDR_SBE;
+#endif
+ asm("sync;isync");
+
+ udelay(500);
+
+ ddr->sdram_cfg = CFG_DDR_CONTROL;
+
+#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ d_init = 1;
+ debug("DDR - 1st controller: memory initializing\n");
+ /*
+ * Poll until memory is initialized.
+ * 512 Meg at 400 might hit this 200 times or so.
+ */
+ while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
+ udelay(1000);
+ }
+ debug("DDR: memory initialized\n\n");
+ asm("sync; isync");
+ udelay(500);
+#endif
+
+ return 512 * 1024 * 1024;
+}
+
+#endif
+
+#ifdef CONFIG_PCI1
+static struct pci_controller pci1_hose;
+#endif
+
+#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
+
+int first_free_busno=0;
+
+void
+pci_init_board(void)
+{
+ volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ uint devdisr = gur->devdisr;
+ uint sdrs2_io_sel =
+ (gur->pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> 27;
+ uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
+ uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
+
+ debug(" pci_init_board: devdisr=%x, sdrs2_io_sel=%x, io_sel=%x,\
+ host_agent=%x\n", devdisr, sdrs2_io_sel, io_sel, host_agent);
+
+ if (sdrs2_io_sel == 7)
+ printf(" Serdes2 disalbed\n");
+ else if (sdrs2_io_sel == 4) {
+ printf(" eTSEC1 is in sgmii mode.\n");
+ printf(" eTSEC3 is in sgmii mode.\n");
+ } else if (sdrs2_io_sel == 6)
+ printf(" eTSEC1 is in sgmii mode.\n");
+
+#ifdef CONFIG_PCIE3
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE3_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie3_hose;
+ int pcie_ep = (host_agent == 1);
+ int pcie_configured = (io_sel == 7);
+
+ if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("\n PCIE3 connected to Slot3 as %s (base address %x)",
+ pcie_ep ? "End Point" : "Root Complex",
+ (uint)pci);
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
+ }
+ printf ("\n");
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCIE3_MEM_BASE,
+ CFG_PCIE3_MEM_PHYS,
+ CFG_PCIE3_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCIE3_IO_BASE,
+ CFG_PCIE3_IO_PHYS,
+ CFG_PCIE3_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+
+ 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 {
+ printf (" PCIE3: disabled\n");
+ }
+
+ }
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
+#endif
+
+#ifdef CONFIG_PCIE1
+ {
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie1_hose;
+ int pcie_ep = (host_agent == 5);
+ int pcie_configured = (io_sel == 2 || io_sel == 3
+ || io_sel == 5 || io_sel == 7);
+
+ if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("\n PCIE1 connected to Slot1 as %s (base address %x)",
+ pcie_ep ? "End Point" : "Root Complex",
+ (uint)pci);
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
+ }
+ printf ("\n");
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCIE1_MEM_BASE,
+ CFG_PCIE1_MEM_PHYS,
+ CFG_PCIE1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCIE1_IO_BASE,
+ CFG_PCIE1_IO_PHYS,
+ CFG_PCIE1_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+#ifdef CFG_PCIE1_MEM_BASE2
+ /* outbound memory */
+ pci_set_region(hose->regions + 3,
+ CFG_PCIE1_MEM_BASE2,
+ CFG_PCIE1_MEM_PHYS2,
+ CFG_PCIE1_MEM_SIZE2,
+ PCI_REGION_MEM);
+ hose->region_count++;
+#endif
+ 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 {
+ printf (" PCIE1: disabled\n");
+ }
+
+ }
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
+#endif
+
+#ifdef CONFIG_PCIE2
+ {
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE2_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pcie2_hose;
+ int pcie_ep = (host_agent == 3);
+ int pcie_configured = (io_sel == 5 || io_sel == 7);
+
+ if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
+ printf ("\n PCIE2 connected to Slot 2 as %s (base address %x)",
+ pcie_ep ? "End Point" : "Root Complex",
+ (uint)pci);
+ if (pci->pme_msg_det) {
+ pci->pme_msg_det = 0xffffffff;
+ debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
+ }
+ printf ("\n");
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCIE2_MEM_BASE,
+ CFG_PCIE2_MEM_PHYS,
+ CFG_PCIE2_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCIE2_IO_BASE,
+ CFG_PCIE2_IO_PHYS,
+ CFG_PCIE2_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 3;
+#ifdef CFG_PCIE2_MEM_BASE2
+ /* outbound memory */
+ pci_set_region(hose->regions + 3,
+ CFG_PCIE2_MEM_BASE2,
+ CFG_PCIE2_MEM_PHYS2,
+ CFG_PCIE2_MEM_SIZE2,
+ PCI_REGION_MEM);
+ hose->region_count++;
+#endif
+ 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 {
+ printf (" PCIE2: disabled\n");
+ }
+
+ }
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
+#endif
+
+
+#ifdef CONFIG_PCI1
+{
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
+ extern void fsl_pci_init(struct pci_controller *hose);
+ struct pci_controller *hose = &pci1_hose;
+
+ uint pci_agent = (host_agent == 6);
+ uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
+ uint pci_32 = 1;
+ uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
+ uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
+
+
+ if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
+ printf ("\n PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
+ (pci_32) ? 32 : 64,
+ (pci_speed == 33333000) ? "33" :
+ (pci_speed == 66666000) ? "66" : "unknown",
+ pci_clk_sel ? "sync" : "async",
+ pci_agent ? "agent" : "host",
+ pci_arb ? "arbiter" : "external-arbiter",
+ (uint)pci
+ );
+
+ /* inbound */
+ pci_set_region(hose->regions + 0,
+ CFG_PCI_MEMORY_BUS,
+ CFG_PCI_MEMORY_PHYS,
+ CFG_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* outbound memory */
+ pci_set_region(hose->regions + 1,
+ CFG_PCI1_MEM_BASE,
+ CFG_PCI1_MEM_PHYS,
+ CFG_PCI1_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* outbound io */
+ pci_set_region(hose->regions + 2,
+ CFG_PCI1_IO_BASE,
+ CFG_PCI1_IO_PHYS,
+ CFG_PCI1_IO_SIZE,
+ PCI_REGION_IO);
+ hose->region_count = 3;
+#ifdef CFG_PCI1_MEM_BASE2
+ /* outbound memory */
+ pci_set_region(hose->regions + 3,
+ CFG_PCI1_MEM_BASE2,
+ CFG_PCI1_MEM_PHYS2,
+ CFG_PCI1_MEM_SIZE2,
+ PCI_REGION_MEM);
+ hose->region_count++;
+#endif
+ 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 ("PCI on bus %02x - %02x\n",
+ hose->first_busno,hose->last_busno);
+ } else {
+ printf (" PCI: disabled\n");
+ }
+}
+#else
+ gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
+#endif
+}
+
+
+int board_early_init_r(void)
+{
+ unsigned int i;
+ const unsigned int flashbase = CFG_FLASH_BASE;
+ const u8 flash_esel = 1;
+
+ /*
+ * Remap Boot flash + PROMJET region to caching-inhibited
+ * so that flash can be erased properly.
+ */
+
+ /* Invalidate any remaining lines of the flash from caches. */
+ for (i = 0; i < 256*1024*1024; i+=32) {
+ asm volatile ("dcbi %0,%1": : "b" (flashbase), "r" (i));
+ asm volatile ("icbi %0,%1": : "b" (flashbase), "r" (i));
+ }
+
+ /* invalidate existing TLB entry for flash + promjet */
+ disable_tlb(flash_esel);
+
+ set_tlb(1, flashbase, flashbase, /* tlb, epn, rpn */
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
+ 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */
+
+ return 0;
+}
+
+#ifdef CONFIG_GET_CLK_FROM_ICS307
+/* decode S[0-2] to Output Divider (OD) */
+static unsigned char
+ics307_S_to_OD[] = {
+ 10, 2, 8, 4, 5, 7, 3, 6
+};
+
+/* Calculate frequency being generated by ICS307-02 clock chip based upon
+ * the control bytes being programmed into it. */
+/* XXX: This function should probably go into a common library */
+static unsigned long
+ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2)
+{
+ const unsigned long long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
+ unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
+ unsigned long RDW = cw2 & 0x7F;
+ unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
+ unsigned long freq;
+
+ /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */
+
+ /* cw0: C1 C0 TTL F1 F0 S2 S1 S0
+ * cw1: V8 V7 V6 V5 V4 V3 V2 V1
+ * cw2: V0 R6 R5 R4 R3 R2 R1 R0
+ *
+ * R6:R0 = Reference Divider Word (RDW)
+ * V8:V0 = VCO Divider Word (VDW)
+ * S2:S0 = Output Divider Select (OD)
+ * F1:F0 = Function of CLK2 Output
+ * TTL = duty cycle
+ * C1:C0 = internal load capacitance for cyrstal
+ */
+
+ /* Adding 1 to get a "nicely" rounded number, but this needs
+ * more tweaking to get a "properly" rounded number. */
+
+ freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));
+
+ debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2,
+ freq);
+ return freq;
+}
+
+unsigned long
+get_board_sys_clk(ulong dummy)
+{
+ return ics307_clk_freq (
+ in8(PIXIS_BASE + PIXIS_VSYSCLK0),
+ in8(PIXIS_BASE + PIXIS_VSYSCLK1),
+ in8(PIXIS_BASE + PIXIS_VSYSCLK2)
+ );
+}
+
+unsigned long
+get_board_ddr_clk(ulong dummy)
+{
+ return ics307_clk_freq (
+ in8(PIXIS_BASE + PIXIS_VDDRCLK0),
+ in8(PIXIS_BASE + PIXIS_VDDRCLK1),
+ in8(PIXIS_BASE + PIXIS_VDDRCLK2)
+ );
+}
+#else
+unsigned long
+get_board_sys_clk(ulong dummy)
+{
+ u8 i;
+ ulong val = 0;
+
+ i = in8(PIXIS_BASE + PIXIS_SPD);
+ i &= 0x07;
+
+ switch (i) {
+ case 0:
+ val = 33333333;
+ break;
+ case 1:
+ val = 40000000;
+ break;
+ case 2:
+ val = 50000000;
+ break;
+ case 3:
+ val = 66666666;
+ break;
+ case 4:
+ val = 83333333;
+ break;
+ case 5:
+ val = 100000000;
+ break;
+ case 6:
+ val = 133333333;
+ break;
+ case 7:
+ val = 166666666;
+ break;
+ }
+
+ return val;
+}
+
+unsigned long
+get_board_ddr_clk(ulong dummy)
+{
+ u8 i;
+ ulong val = 0;
+
+ i = in8(PIXIS_BASE + PIXIS_SPD);
+ i &= 0x38;
+ i >>= 3;
+
+ switch (i) {
+ case 0:
+ val = 33333333;
+ break;
+ case 1:
+ val = 40000000;
+ break;
+ case 2:
+ val = 50000000;
+ break;
+ case 3:
+ val = 66666666;
+ break;
+ case 4:
+ val = 83333333;
+ break;
+ case 5:
+ val = 100000000;
+ break;
+ case 6:
+ val = 133333333;
+ break;
+ case 7:
+ val = 166666666;
+ break;
+ }
+ return val;
+}
+#endif
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ int node, tmp[2];
+ const char *path;
+
+ ft_cpu_setup(blob, bd);
+
+ node = fdt_path_offset(blob, "/aliases");
+ tmp[0] = 0;
+ if (node >= 0) {
+#ifdef CONFIG_PCI1
+ path = fdt_getprop(blob, node, "pci0", NULL);
+ if (path) {
+ tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+#ifdef CONFIG_PCIE2
+ path = fdt_getprop(blob, node, "pci1", NULL);
+ if (path) {
+ tmp[1] = pcie2_hose.last_busno - pcie2_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+#ifdef CONFIG_PCIE1
+ path = fdt_getprop(blob, node, "pci2", NULL);
+ if (path) {
+ tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+#ifdef CONFIG_PCIE3
+ path = fdt_getprop(blob, node, "pci3", NULL);
+ if (path) {
+ tmp[1] = pcie3_hose.last_busno - pcie3_hose.first_busno;
+ do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
+ }
+#endif
+ }
+}
+#endif
diff --git a/board/freescale/mpc8536ds/tlb.c b/board/freescale/mpc8536ds/tlb.c
new file mode 100644
index 0000000..28a9fa8
--- /dev/null
+++ b/board/freescale/mpc8536ds/tlb.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * 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 <common.h>
+#include <asm/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+ /* TLB 0 - for temp stack in cache */
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 4 * 1024 , CFG_INIT_RAM_ADDR + 4 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 8 * 1024 , CFG_INIT_RAM_ADDR + 8 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 12 * 1024 , CFG_INIT_RAM_ADDR + 12 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+
+ SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+
+ /* TLB 1 */
+ /* *I*G* - CCSRBAR */
+ SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_1M, 1),
+
+ /* W**G* - Flash/promjet, localbus */
+ /* This will be changed to *I*G* after relocation to RAM. */
+ SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_256M, 1),
+
+ /* *I*G* - PCI */
+ SET_TLB_ENTRY(1, CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_1G, 1),
+
+ /* *I*G* - PCI I/O */
+ SET_TLB_ENTRY(1, CFG_PCI1_IO_PHYS, CFG_PCI1_IO_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_256K, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/board/freescale/mpc8536ds/u-boot.lds b/board/freescale/mpc8536ds/u-boot.lds
new file mode 100644
index 0000000..901f633
--- /dev/null
+++ b/board/freescale/mpc8536ds/u-boot.lds
@@ -0,0 +1,145 @@
+/*
+ * Copyright 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
+ */
+
+OUTPUT_ARCH(powerpc)
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+PHDRS
+{
+ text PT_LOAD;
+ bss PT_LOAD;
+}
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ } :text
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ *(.eh_frame)
+ } :text
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+ __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ .bootpg ADDR(.text) + 0x7f000 :
+ {
+ cpu/mpc85xx/start.o (.bootpg)
+ } :text = 0xffff
+
+ .resetvec ADDR(.text) + 0x7fffc :
+ {
+ *(.resetvec)
+ } :text = 0xffff
+
+ . = ADDR(.text) + 0x80000;
+
+ __bss_start = .;
+ .bss (NOLOAD) :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ } :bss
+
+ . = ALIGN(4);
+ _end = . ;
+ PROVIDE (end = .);
+}