XPedite5200 board support cleanup

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

9 files changed, 654 insertions, 3 deletions

diff --git a/board/xes/common/actl_nand.c b/board/xes/common/actl_nand.c
new file mode 100644
index 0000000000..465aeb0991
--- /dev/null
+++ b/board/xes/common/actl_nand.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ *
+ * This driver support NAND devices which have address lines
+ * connected as ALE and CLE inputs.
+ *
+ * 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 <nand.h>
+#include <asm/io.h>
+
+/*
+ * Hardware specific access to control-lines
+ */
+static void nand_addr_hwcontrol(struct mtd_info *mtd, int cmd, uint ctrl)
+{
+	struct nand_chip *this = mtd->priv;
+	ulong IO_ADDR_W;
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+		IO_ADDR_W = (ulong)this->IO_ADDR_W;
+
+		IO_ADDR_W &= ~(CONFIG_SYS_NAND_ACTL_CLE |
+				CONFIG_SYS_NAND_ACTL_ALE |
+				CONFIG_SYS_NAND_ACTL_NCE);
+		if (ctrl & NAND_CLE)
+			IO_ADDR_W |= CONFIG_SYS_NAND_ACTL_CLE;
+		if (ctrl & NAND_ALE)
+			IO_ADDR_W |= CONFIG_SYS_NAND_ACTL_ALE;
+		if (ctrl & NAND_NCE)
+			IO_ADDR_W |= CONFIG_SYS_NAND_ACTL_NCE;
+
+		this->IO_ADDR_W = (void *)IO_ADDR_W;
+	}
+
+	if (cmd != NAND_CMD_NONE)
+		writeb(cmd, this->IO_ADDR_W);
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+	nand->ecc.mode = NAND_ECC_SOFT;
+	nand->cmd_ctrl = nand_addr_hwcontrol;
+	nand->chip_delay = CONFIG_SYS_NAND_ACTL_DELAY;
+
+	return 0;
+}
diff --git a/board/xes/common/fsl_85xx_pci.c b/board/xes/common/fsl_85xx_pci.c
index 56f3447958..cd65a7341e 100644
--- a/board/xes/common/fsl_85xx_pci.c
+++ b/board/xes/common/fsl_85xx_pci.c
@@ -179,7 +179,7 @@ void pci_init_board(void)
 
 		fsl_pci_init(hose);
 
-		first_free_busno = hose->last_busno+1;
+		first_free_busno = hose->last_busno + 1;
 		printf("    PCI1 on bus %02x - %02x\n",
 			hose->first_busno, hose->last_busno);
 	} else {
@@ -289,7 +289,7 @@ void pci_init_board(void)
 		if (!host)
 			fsl_pci_config_unlock(hose);
 
-		first_free_busno = hose->last_busno+1;
+		first_free_busno = hose->last_busno + 1;
 		printf("    PCIE2 on bus %02x - %02x\n",
 				hose->first_busno, hose->last_busno);
 	}
@@ -343,7 +343,7 @@ void pci_init_board(void)
 		if (!host)
 			fsl_pci_config_unlock(hose);
 
-		first_free_busno = hose->last_busno+1;
+		first_free_busno = hose->last_busno + 1;
 		printf("    PCIE3 on bus %02x - %02x\n",
 				hose->first_busno, hose->last_busno);
 	}
diff --git a/board/xes/xpedite5200/Makefile b/board/xes/xpedite5200/Makefile
new file mode 100644
index 0000000000..02fe8fcd2d
--- /dev/null
+++ b/board/xes/xpedite5200/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/xpedite5200/config.mk b/board/xes/xpedite5200/config.mk
new file mode 100644
index 0000000000..be5a5c32c0
--- /dev/null
+++ b/board/xes/xpedite5200/config.mk
@@ -0,0 +1,34 @@
+#
+# Copyright 2008 Extreme Engineering Solutions, Inc.
+# Copyright 2004, 2007 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
+#
+
+#
+# xpedite5200 board
+#
+ifndef TEXT_BASE
+TEXT_BASE = 0xfff80000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1
+PLATFORM_CPPFLAGS += -mrelocatable
diff --git a/board/xes/xpedite5200/ddr.c b/board/xes/xpedite5200/ddr.c
new file mode 100644
index 0000000000..c5616d546b
--- /dev/null
+++ b/board/xes/xpedite5200/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/xpedite5200/law.c b/board/xes/xpedite5200/law.c
new file mode 100644
index 0000000000..386f9c5873
--- /dev/null
+++ b/board/xes/xpedite5200/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, LAWAR_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/xpedite5200/tlb.c b/board/xes/xpedite5200/tlb.c
new file mode 100644
index 0000000000..bd7bff820b
--- /dev/null
+++ b/board/xes/xpedite5200/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/xpedite5200/u-boot.lds b/board/xes/xpedite5200/u-boot.lds
new file mode 100644
index 0000000000..bd952d20fa
--- /dev/null
+++ b/board/xes/xpedite5200/u-boot.lds
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * Copyright 2004, 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
+ */
+
+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)
+    *(.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 = .);
+}
diff --git a/board/xes/xpedite5200/xpedite5200.c b/board/xes/xpedite5200/xpedite5200.c
new file mode 100644
index 0000000000..e266d1dd83
--- /dev/null
+++ b/board/xes/xpedite5200/xpedite5200.c
@@ -0,0 +1,125 @@
+/*
+ * 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/immap_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);
+
+int checkboard(void)
+{
+	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+	volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
+
+	char *s;
+
+	printf("Board: X-ES %s PMC\n", CONFIG_SYS_BOARD_NAME);
+	printf("       ");
+	s = getenv("board_rev");
+	if (s)
+		printf("Rev %s, ", s);
+	s = getenv("serial#");
+	if (s)
+		printf("Serial# %s, ", s);
+	s = getenv("board_cfg");
+	if (s)
+		printf("Cfg %s", s);
+	printf("\n");
+
+	lbc->ltesr = 0xffffffff;	/* Clear LBC error interrupts */
+	lbc->lteir = 0xffffffff;	/* Enable LBC error interrupts */
+	ecm->eedr = 0xffffffff;		/* Clear ecm errors */
+	ecm->eeer = 0xffffffff;		/* Enable ecm errors */
+
+	return 0;
+}
+
+static void flash_cs_fixup(void)
+{
+	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
+	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) {
+		lbc->br0 = CONFIG_SYS_BR1_PRELIM;
+		lbc->or0 = CONFIG_SYS_OR1_PRELIM;
+
+		lbc->br1 = CONFIG_SYS_BR0_PRELIM;
+		lbc->or1 = 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