summaryrefslogtreecommitdiff
path: root/board/xes/xpedite520x
diff options
context:
space:
mode:
Diffstat (limited to 'board/xes/xpedite520x')
-rw-r--r--board/xes/xpedite520x/Makefile55
-rw-r--r--board/xes/xpedite520x/ddr.c91
-rw-r--r--board/xes/xpedite520x/law.c51
-rw-r--r--board/xes/xpedite520x/tlb.c85
-rw-r--r--board/xes/xpedite520x/xpedite520x.c96
5 files changed, 378 insertions, 0 deletions
diff --git a/board/xes/xpedite520x/Makefile b/board/xes/xpedite520x/Makefile
new file mode 100644
index 0000000..02fe8fc
--- /dev/null
+++ b/board/xes/xpedite520x/Makefile
@@ -0,0 +1,55 @@
+#
+# Copyright 2008 Extreme Engineering Solutions, Inc.
+# Copyright 2004 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-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS-y))
+
+$(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/xes/xpedite520x/ddr.c b/board/xes/xpedite520x/ddr.c
new file mode 100644
index 0000000..c5616d5
--- /dev/null
+++ b/board/xes/xpedite520x/ddr.c
@@ -0,0 +1,91 @@
+/*
+ * 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>
+#include <asm/fsl_ddr_dimm_params.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));
+
+ /* We use soldered memory, but use an SPD EEPROM to describe it.
+ * The SPD has an unspecified dimm type, but the DDR2 initialization
+ * code requires a specific type to be specified. This sets the type
+ * as a standard unregistered SO-DIMM. */
+ if (spd->dimm_type == 0) {
+ spd->dimm_type = 0x4;
+ ((uchar *)spd)[63] += 0x4;
+ }
+}
+
+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: invalid ctrl_num = %d\n", __func__, 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,
+ dimm_params_t *pdimm,
+ 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 = 9;
+
+ /*
+ * 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/xes/xpedite520x/law.c b/board/xes/xpedite520x/law.c
new file mode 100644
index 0000000..bbfcb9d
--- /dev/null
+++ b/board/xes/xpedite520x/law.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * 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>
+
+/*
+ * Notes:
+ * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
+ * If flash is 8M at default position (last 8M), no LAW needed.
+ */
+
+struct law_entry law_table[] = {
+ /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+ SET_LAW(CONFIG_SYS_FLASH_BASE2, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+ SET_LAW(CONFIG_SYS_NAND_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
+#if CONFIG_SYS_PCI1_MEM_PHYS
+ SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_1G, LAW_TRGT_IF_PCI_1),
+ SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCI_1),
+#endif
+#if CONFIG_SYS_PCI2_MEM_PHYS
+ SET_LAW(CONFIG_SYS_PCI2_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCI_2),
+ SET_LAW(CONFIG_SYS_PCI2_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCI_2),
+#endif
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/xes/xpedite520x/tlb.c b/board/xes/xpedite520x/tlb.c
new file mode 100644
index 0000000..bd7bff8
--- /dev/null
+++ b/board/xes/xpedite520x/tlb.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * 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, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
+ CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
+ CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
+ CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
+ MAS3_SX|MAS3_SW|MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+
+ /* W**G* - NOR flashes */
+ /* This will be changed to *I*G* after relocation to RAM. */
+ SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE2, CONFIG_SYS_FLASH_BASE2,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_256M, 1),
+
+ SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 1, BOOKE_PAGESZ_1M, 1),
+
+ /* *I*G* - NAND flash */
+ SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 2, BOOKE_PAGESZ_1M, 1),
+
+#if CONFIG_PCI1
+ /* *I*G* - PCI MEM */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS, CONFIG_SYS_PCI1_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 3, BOOKE_PAGESZ_1G, 1),
+#endif
+
+#if CONFIG_PCI2
+ /* *I*G* - PCI MEM */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCI2_MEM_PHYS, CONFIG_SYS_PCI2_MEM_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 4, BOOKE_PAGESZ_256M, 1),
+#endif
+
+#if defined(CONFIG_PCI1) || defined(CONFIG_PCI2)
+ /* *I*G* - PCI IO */
+ SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_PHYS, CONFIG_SYS_PCI1_IO_PHYS,
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 5, BOOKE_PAGESZ_16M, 1),
+#endif
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/board/xes/xpedite520x/xpedite520x.c b/board/xes/xpedite520x/xpedite520x.c
new file mode 100644
index 0000000..dc5c965
--- /dev/null
+++ b/board/xes/xpedite520x/xpedite520x.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * Copyright 2004, 2007 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/processor.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_pci.h>
+#include <asm/io.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <pca953x.h>
+
+extern void ft_board_pci_setup(void *blob, bd_t *bd);
+
+static void flash_cs_fixup(void)
+{
+ int flash_sel;
+
+ /*
+ * Print boot dev and swap flash flash chip selects if booted from 2nd
+ * flash. Swapping chip selects presents user with a common memory
+ * map regardless of which flash was booted from.
+ */
+ flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
+ CONFIG_SYS_PCA953X_FLASH_PASS_CS));
+ printf("FLASH: Executed from FLASH%d\n", flash_sel ? 2 : 1);
+
+ if (flash_sel) {
+ set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
+ set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
+
+ set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
+ set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
+ }
+}
+
+int board_early_init_r(void)
+{
+ /* Initialize PCA9557 devices */
+ pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
+ pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
+
+ /*
+ * Remap NOR flash region to caching-inhibited
+ * so that flash can be erased/programmed properly.
+ */
+
+ /* Flush d-cache and invalidate i-cache of any FLASH data */
+ flush_dcache();
+ invalidate_icache();
+
+ /* Invalidate existing TLB entry for NOR flash */
+ disable_tlb(0);
+ set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
+ (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
+ MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+ 0, 0, BOOKE_PAGESZ_256M, 1);
+
+ flash_cs_fixup();
+
+ return 0;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+#ifdef CONFIG_PCI
+ ft_board_pci_setup(blob, bd);
+#endif
+ ft_cpu_setup(blob, bd);
+}
+#endif