Support for spc1920 board.

Patch by Markus Klotzbuecher, 12 Jul 2006

11 files changed, 856 insertions, 13 deletions

diff --git a/MAKEALL b/MAKEALL
index 0e80855..4de0158 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -34,7 +34,6 @@ LIST_5xxx="	\
 #########################################################################
 ## MPC8xx Systems
 #########################################################################
-
 LIST_8xx="	\
 	Adder87x	GENIETV		MBX860T		R360MPI		\
 	AdderII		GTH		MHPC		RBC823		\
@@ -44,16 +43,17 @@ LIST_8xx="	\
 	CCM		IP860		NETPHONE	RPXlite_DW	\
 	cogent_mpc8xx	IVML24		NETTA		RRvision	\
 	ELPT860		IVML24_128	NETTA2		SM850		\
-	EP88x		IVML24_256	NETTA_ISDN	SPD823TS	\
-	ESTEEM192E	IVMS8		NETVIA		svm_sc8xx	\
-	ETX094		IVMS8_128	NETVIA_V2	SXNI855T	\
-	FADS823		IVMS8_256	NX823		TOP860		\
-	FADS850SAR	KUP4K		pcu_e		TQM823L		\
-	FADS860T	KUP4X		QS823		TQM823L_LCD	\
-	FLAGADM		LANTEC		QS850		TQM850L		\
-	FPS850L		lwmon		QS860T		TQM855L		\
-	GEN860T		MBX		quantum		TQM860L		\
-	GEN860T_SC					uc100		\
+	EP88x		IVML24_256	NETTA_ISDN	spc1920		\
+	ESTEEM192E	IVMS8		NETVIA		SPD823TS	\
+	ETX094		IVMS8_128	NETVIA_V2	svm_sc8xx	\
+	FADS823		IVMS8_256	NX823		SXNI855T	\
+	FADS850SAR	KUP4K		pcu_e		TOP860		\
+	FADS860T	KUP4X		QS823		TQM823L		\
+	FLAGADM		LANTEC		QS850		TQM823L_LCD	\
+	FPS850L		lwmon		QS860T		TQM850L		\
+	GEN860T		MBX		quantum		TQM855L		\
+	GEN860T_SC					TQM860L		\
+							uc100		\
 							v37		\
 "
 
diff --git a/Makefile b/Makefile
index 48b53f0..efc5925 100644
--- a/Makefile
+++ b/Makefile
@@ -705,6 +705,9 @@ RRvision_LCD_config:	unconfig
 SM850_config	:	unconfig
 	@./mkconfig $(@:_config=) ppc mpc8xx tqm8xx
 
+spc1920_config:
+	@./mkconfig $(@:_config=) ppc mpc8xx spc1920
+
 SPD823TS_config:	unconfig
 	@./mkconfig $(@:_config=) ppc mpc8xx spd8xx
 
diff --git a/board/spc1920/Makefile b/board/spc1920/Makefile
new file mode 100644
index 0000000..47afef7
--- /dev/null
+++ b/board/spc1920/Makefile
@@ -0,0 +1,40 @@
+#
+# (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 $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/spc1920/config.mk b/board/spc1920/config.mk
new file mode 100644
index 0000000..e361694
--- /dev/null
+++ b/board/spc1920/config.mk
@@ -0,0 +1,35 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Modified by, Yuli Barcohen, Arabella Software Ltd., yuli@arabellasw.com
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# Motorola old MPC821/860ADS, MPC8xxFADS, new MPC866ADS, and
+# MPC885ADS boards
+#
+
+#TEXT_BASE = 0xFE000000
+TEXT_BASE = 0xFFF00000
+PLATFORM_CPPFLAGS += -I$(TOPDIR)/board/spc1920
+HOST_CFLAGS += -I$(TOPDIR)/board/spc1920
+HOST_ENVIRO_CFLAGS += -I$(TOPDIR)/board/spc1920
diff --git a/board/spc1920/pld.h b/board/spc1920/pld.h
new file mode 100644
index 0000000..3254f82
--- /dev/null
+++ b/board/spc1920/pld.h
@@ -0,0 +1,14 @@
+#ifndef __PLD_H__
+#define __PLD_H__
+
+typedef struct spc1920_pld {
+	uchar com1_en;
+	uchar dsp_reset;
+	uchar dsp_hpi_on;
+	uchar codec_dsp_power_en;
+	uchar clk2_en;
+	uchar clk3_select;
+	uchar clk4_select;
+} spc1920_pld_t;
+
+#endif /* __PLD_H__ */
diff --git a/board/spc1920/spc1920.c b/board/spc1920/spc1920.c
new file mode 100644
index 0000000..44ab4be
--- /dev/null
+++ b/board/spc1920/spc1920.c
@@ -0,0 +1,237 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Modified by, Yuli Barcohen, Arabella Software Ltd., yuli@arabellasw.com
+ *
+ * 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 <config.h>
+#include <common.h>
+#include <mpc8xx.h>
+#include "pld.h"
+
+#define	_NOT_USED_	0xFFFFFFFF
+/* #define debug(fmt,args...)     printf (fmt ,##args) */
+
+static long int dram_size (long int, long int *, long int);
+
+const uint sdram_table[] = {
+	/*
+	 * Single Read. (Offset 0 in UPMB RAM)
+	 */
+	0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00,
+	0x1FF77C47, /* last */
+	/*
+	 * SDRAM Initialization (offset 5 in UPMB RAM)
+	 *
+	 * This is no UPM entry point. The following definition uses
+	 * the remaining space to establish an initialization
+	 * sequence, which is executed by a RUN command.
+	 *
+	 */
+	0x1FF77C34, 0xEFEABC34, 0x1FB57C35, /* last */
+	/*
+	 * Burst Read. (Offset 8 in UPMB RAM)
+	 */
+	0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00,
+	0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Single Write. (Offset 18 in UPMB RAM)
+	 */
+	0x1F07FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPMB RAM)
+	 */
+	0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00,
+	0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */
+	_NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPMB RAM)
+	 */
+	0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
+	0xFFFFFC84, 0xFFFFFC07, /* last */
+	_NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPMB RAM)
+	 */
+	0x7FFFFC07, /* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immr->im_memctl;
+	/* volatile spc1920_pld_t *pld = (spc1920_pld_t *) CFG_SPC1920_PLD_BASE; */
+
+	long int size_b0;
+	long int size8, size9;
+	int i;
+
+	/*
+	 * Configure UPMB for SDRAM
+	 */
+	upmconfig (UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+	udelay(100);
+
+	memctl->memc_mptpr = CFG_MPTPR;
+
+	/* burst length=4, burst type=sequential, CAS latency=2 */
+	memctl->memc_mar = CFG_MAR;
+
+	/*
+	 * Map controller bank 1 to the SDRAM bank at preliminary address.
+	 */
+	memctl->memc_or1 = CFG_OR1_PRELIM;
+	memctl->memc_br1 = CFG_BR1_PRELIM;
+
+	/* initialize memory address register */
+	memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */
+
+	/* mode initialization (offset 5) */
+	udelay (200);				/* 0x80006105 */
+	memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS1 | MCR_MLCF (1) | MCR_MAD (0x05);
+
+	/* run 2 refresh sequence with 4-beat refresh burst (offset 0x30) */
+	udelay (1);				/* 0x80006130 */
+	memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS1 | MCR_MLCF (1) | MCR_MAD (0x30);
+	udelay (1);				/* 0x80006130 */
+	memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS1 | MCR_MLCF (1) | MCR_MAD (0x30);
+	udelay (1);				/* 0x80006106 */
+	memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS1 | MCR_MLCF (1) | MCR_MAD (0x06);
+
+	memctl->memc_mbmr |= MBMR_PTBE;	/* refresh enabled */
+
+	udelay (200);
+
+	/* Need at least 10 DRAM accesses to stabilize */
+	for (i = 0; i < 10; ++i) {
+		volatile unsigned long *addr =
+			(volatile unsigned long *) CFG_SDRAM_BASE;
+		unsigned long val;
+
+		val = *(addr + i);
+		*(addr + i) = val;
+	}
+
+	/*
+	 * Check Bank 0 Memory Size for re-configuration
+	 *
+	 * try 8 column mode
+	 */
+	size8 = dram_size (CFG_MBMR_8COL, (long *)CFG_SDRAM_BASE, SDRAM_MAX_SIZE);
+
+	udelay (1000);
+
+	/*
+	 * try 9 column mode
+	 */
+	size9 = dram_size (CFG_MBMR_9COL, (long *)CFG_SDRAM_BASE, SDRAM_MAX_SIZE);
+
+	if (size8 < size9) {		/* leave configuration at 9 columns */
+		size_b0 = size9;
+		memctl->memc_mbmr = CFG_MBMR_9COL | MBMR_PTBE;
+		udelay (500);
+	} else {			/* back to 8 columns            */
+		size_b0 = size8;
+		memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE;
+		udelay (500);
+	}
+
+	/*
+	 * Final mapping:
+	 */
+
+	memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) |
+			OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING;
+	memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V;
+	udelay (1000);
+
+
+	/* PLD Setup */
+	memctl->memc_or5 = CFG_OR5_PRELIM;
+	memctl->memc_br5 = CFG_BR5_PRELIM;
+	udelay(1000);
+
+	return (size_b0);
+}
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+static long int dram_size (long int mbmr_value, long int *base,
+			   long int maxsize)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	memctl->memc_mbmr = mbmr_value;
+
+	return (get_ram_size (base, maxsize));
+}
+
+
+/************* other stuff ******************/
+
+
+int board_early_init_f(void)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+
+	/* Turn on LED PD9 */
+	immap->im_ioport.iop_pdpar &= ~(0x0040);
+	immap->im_ioport.iop_pddir |= 0x0040;
+	immap->im_ioport.iop_pddat |= 0x0040;
+
+	/* Enable PD10 (COM2_EN) */
+	immap->im_ioport.iop_pdpar &= ~0x0020;
+	immap->im_ioport.iop_pddir &= ~0x4000;
+	immap->im_ioport.iop_pddir |= 0x0020;
+	immap->im_ioport.iop_pddat |= 0x0020;
+
+
+#ifdef CFG_SMC1_PLD_CLK4 /* SMC1 uses CLK4 from PLD */
+	immap->im_cpm.cp_simode |= 0x7000;
+	immap->im_cpm.cp_simode &= ~(0x8000);
+#endif
+
+	return 0;
+}
+
+
+int checkboard (void)
+{
+	puts("Board: SPC1920\n");
+	return 0;
+}
diff --git a/board/spc1920/u-boot.lds b/board/spc1920/u-boot.lds
new file mode 100644
index 0000000..d526d1d
--- /dev/null
+++ b/board/spc1920/u-boot.lds
@@ -0,0 +1,144 @@
+/*
+ * (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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+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      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/mpc8xx/start.o		(.text)
+    cpu/mpc8xx/traps.o		(.text)
+    common/dlmalloc.o		(.text)
+    lib_ppc/ppcstring.o		(.text)
+    lib_generic/vsprintf.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_generic/zlib.o		(.text)
+    lib_ppc/cache.o		(.text)
+    lib_ppc/time.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o	(.ppcenv)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .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 = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/cpu/mpc8xx/cpu_init.c b/cpu/mpc8xx/cpu_init.c
index 1a7111f..c79e578 100644
--- a/cpu/mpc8xx/cpu_init.c
+++ b/cpu/mpc8xx/cpu_init.c
@@ -161,6 +161,7 @@ void cpu_init_f (volatile immap_t * immr)
     defined(CONFIG_RMU)		|| \
     defined(CONFIG_RPXCLASSIC)	|| \
     defined(CONFIG_RPXLITE)	|| \
+    defined(CONFIG_SPC1920)	|| \
     defined(CONFIG_SPD823TS)
 
 	memctl->memc_br0 = CFG_BR0_PRELIM;
diff --git a/cpu/mpc8xx/fec.c b/cpu/mpc8xx/fec.c
index 6006478..21c9070 100644
--- a/cpu/mpc8xx/fec.c
+++ b/cpu/mpc8xx/fec.c
@@ -822,6 +822,7 @@ static void fec_halt(struct eth_device* dev)
 #define PHY_ID_LSI80225		0x0016f870	/* LSI 80225 */
 #define PHY_ID_LSI80225B	0x0016f880	/* LSI 80225/B */
 #define PHY_ID_DM9161		0x0181B880	/* Davicom DM9161 */
+#define PHY_ID_KSM8995M		0x00221450	/* MICREL KS8995MA */
 
 /* send command to phy using mii, wait for result */
 static uint
@@ -907,6 +908,9 @@ static int mii_discover_phy(struct eth_device *dev)
 				case PHY_ID_DM9161:
 					printf("Davicom DM9161\n");
 					break;
+				case PHY_ID_KSM8995M:
+					printf("MICREL KS8995M\n");
+					break;
 				default:
 					printf("0x%08x\n", phytype);
 					break;
diff --git a/cpu/mpc8xx/serial.c b/cpu/mpc8xx/serial.c
index 26a82cc..8ae584f 100644
--- a/cpu/mpc8xx/serial.c
+++ b/cpu/mpc8xx/serial.c
@@ -227,9 +227,12 @@ static int smc_init (void)
 	sp->smc_smcm = 0;
 	sp->smc_smce = 0xff;
 
-	/* Set up the baud rate generator.
-	*/
+#ifdef CFG_SPC1920_SMC1_CLK4 /* clock source is PLD */
+	*((volatile uchar *) CFG_SPC1920_PLD_BASE+6) = 0xff;
+#else
+	/* Set up the baud rate generator */
 	smc_setbrg ();
+#endif
 
 	/* Make the first buffer the only buffer.
 	*/
diff --git a/include/configs/spc1920.h b/include/configs/spc1920.h
new file mode 100644
index 0000000..9d3609a
--- /dev/null
+++ b/include/configs/spc1920.h
@@ -0,0 +1,362 @@
+/*
+ * (C) Copyright 2006
+ * Markus Klotzbuecher, DENX Software Engineering, mk@denx.de
+ *
+ * Configuation settings for the SPC1920 board.
+ *
+ * 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
+ */
+
+#ifndef __H
+#define __CONFIG_H
+
+#define CONFIG_SPC1920			1	/* SPC1920 board */
+#define CONFIG_MPC885			1	/* MPC885 CPU */
+
+#define	CONFIG_8xx_CONS_SMC1		/* Console is on SMC1 */
+#undef	CONFIG_8xx_CONS_SMC2
+#undef	CONFIG_8xx_CONS_NONE
+
+#define CONFIG_MII
+/* #define MII_DEBUG */
+/* #define CONFIG_FEC_ENET */
+#undef CONFIG_ETHER_ON_FEC1
+#define CONFIG_ETHER_ON_FEC2
+#define FEC_ENET
+/* #define CONFIG_FEC2_PHY_NORXERR */
+/* #define CFG_DISCOVER_PHY */
+/* #define CONFIG_PHY_ADDR		0x1 */
+#define CONFIG_FEC2_PHY		1
+
+#define CONFIG_BAUDRATE		19200
+
+/* use PLD CLK4 instead of brg */
+#undef CFG_SPC1920_SMC1_CLK4
+
+#define CONFIG_8xx_OSCLK		10000000 /* 10 MHz oscillator on EXTCLK  */
+#define CONFIG_8xx_CPUCLK_DEFAULT	50000000
+#define CFG_8xx_CPUCLK_MIN		40000000
+#define CFG_8xx_CPUCLK_MAX		133000000
+
+#define CFG_RESET_ADDRESS		0xf8000000
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+
+#if 1
+#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
+#else
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
+#endif
+
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_NFSBOOTCOMMAND							\
+    "dhcp;"									\
+    "setenv bootargs root=/dev/nfs rw nfsroot=$rootpath "			\
+    "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;"		\
+    "bootm"
+
+#define CONFIG_BOOTCOMMAND							\
+    "setenv bootargs root=/dev/mtdblock2 rw mtdparts=phys:1280K(ROM)ro,-(root) "\
+    "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;"		\
+    "bootm fe080000"
+
+#undef CONFIG_BOOTARGS
+
+#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
+#define CONFIG_BZIP2	 /* include support for bzip2 compressed images */
+
+#ifndef CONFIG_COMMANDS
+#define CONFIG_COMMANDS	(CONFIG_CMD_DFL   \
+			 | CFG_CMD_ASKENV \
+			 | CFG_CMD_ECHO   \
+			 | CFG_CMD_IMMAP  \
+			 | CFG_CMD_JFFS2 \
+			 | CFG_CMD_PING \
+			 | CFG_CMD_DHCP \
+			 | CFG_CMD_IMMAP \
+			 | CFG_CMD_MII)
+			/* & ~( CFG_CMD_NET)) */
+
+
+#endif /* !CONFIG_COMMANDS */
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define	CFG_LONGHELP				/* undef to save memory		*/
+#define	CFG_PROMPT		"=>"		/* Monitor Command Prompt	*/
+#define CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2	"> "
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define	CFG_CBSIZE		1024		/* Console I/O Buffer Size	*/
+#else
+#define	CFG_CBSIZE		256		/* Console I/O Buffer Size	*/
+#endif
+
+#define	CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* Print Buffer Size	*/
+#define	CFG_MAXARGS		16		/* max number of command args	*/
+#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size	*/
+
+#define CFG_LOAD_ADDR		0x00100000
+
+#define	CFG_HZ		        1000	/* decrementer freq: 1 ms ticks */
+
+#define CFG_BAUDRATE_TABLE	{ 2400, 4800, 9600, 19200 }
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR		0xF0000000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR	CFG_IMMR
+#define	CFG_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
+#define	CFG_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define	CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_MEMTEST_START	0x0400000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define	CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux	*/
+
+#define CFG_MONITOR_BASE	TEXT_BASE
+#define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 KB for monitor	*/
+
+#ifdef CONFIG_BZIP2
+#define	CFG_MALLOC_LEN		(2500 << 10)	/* Reserve ~2.5 MB for malloc()	*/
+#else
+#define	CFG_MALLOC_LEN		(384 << 10)	/* Reserve 384 kB for malloc()	*/
+#endif /* CONFIG_BZIP2 */
+
+#define	CFG_ALLOC_DPRAM		1	/* use allocation routines	*/
+
+/*
+ * Flash
+ */
+/*-----------------------------------------------------------------------
+ * Flash organisation
+ */
+#define CFG_FLASH_BASE          0xFE000000
+#define CFG_FLASH_CFI                           /* The flash is CFI compatible  */
+#define CFG_FLASH_CFI_DRIVER                    /* Use common CFI driver        */
+#define CFG_MAX_FLASH_BANKS     1               /* Max number of flash banks    */
+#define CFG_MAX_FLASH_SECT      128             /* Max num of sects on one chip */
+
+/* Environment is in flash */
+#define CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_SECT_SIZE       0x40000         /* We use one complete sector   */
+#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+
+#define CONFIG_ENV_OVERWRITE
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
+#define CFG_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
+
+/*-----------------------------------------------------------------------
+ * I2C configuration
+ */
+#if (CONFIG_COMMANDS & CFG_CMD_I2C)
+#define CONFIG_HARD_I2C		1	/* I2C with hardware support */
+#define CFG_I2C_SPEED		400000	/* I2C speed and slave address defaults */
+#define CFG_I2C_SLAVE		0x7F
+#endif
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control				11-9
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
+ */
+#if defined(CONFIG_WATCHDOG)
+#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
+			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
+#else
+#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration				11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#define CFG_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control				11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control		11-31
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
+ */
+#define CFG_PISCR	(PISCR_PS | PISCR_PITF)
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock and reset Control Register		15-27
+ *-----------------------------------------------------------------------
+ * Set clock output, timebase and RTC source and divider,
+ * power management and some other internal clocks
+ */
+#define SCCR_MASK	SCCR_EBDF11
+/* #define CFG_SCCR	SCCR_TBS */
+#define CFG_SCCR	(SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
+			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
+			 SCCR_DFALCD00)
+
+/*-----------------------------------------------------------------------
+ * DER - Debug Enable Register
+ *-----------------------------------------------------------------------
+ * Set to zero to prevent the processor from entering debug mode
+ */
+#define CFG_DER		 0
+
+
+/* Because of the way the 860 starts up and assigns CS0 the entire
+ * address space, we have to set the memory controller differently.
+ * Normally, you write the option register first, and then enable the
+ * chip select by writing the base register.  For CS0, you must write
+ * the base register first, followed by the option register.
+ */
+
+
+/*
+ * Init Memory Controller:
+ */
+
+/* BR0 and OR0 (FLASH) */
+#define FLASH_BASE0_PRELIM	CFG_FLASH_BASE	/* FLASH bank #0 */
+
+
+/* used to re-map FLASH both when starting from SRAM or FLASH:
+ * restrict access enough to keep SRAM working (if any)
+ * but not too much to meddle with FLASH accesses
+ */
+#define CFG_REMAP_OR_AM		0x80000000	/* OR addr mask */
+#define CFG_PRELIM_OR_AM	0xE0000000	/* OR addr mask */
+
+/*
+ * FLASH timing:
+ */
+#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
+				 OR_SCY_3_CLK | OR_EHTR | OR_BI)
+
+#define CFG_OR0_REMAP	(CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)
+#define CFG_OR0_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
+
+
+/*
+ * SDRAM CS1 UPMB
+ */
+#define	CFG_SDRAM_BASE	0x00000000
+#define CFG_SDRAM_BASE_PRELIM CFG_SDRAM_BASE
+#define SDRAM_MAX_SIZE	0x4000000 /* max 64 MB */
+
+#define CFG_PRELIM_OR1_AM	0xF0000000
+/* #define CFG_OR1_TIMING  OR_CSNT_SAM/\*  | OR_G5LS /\\* *\\/ *\/ */
+#define SDRAM_TIMING	OR_SCY_0_CLK	/* SDRAM-Timing */
+
+#define CFG_OR1_PRELIM	(CFG_PRELIM_OR1_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING)
+#define CFG_BR1_PRELIM  ((CFG_SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V)
+
+/* #define CFG_OR1_FINAL   ((CFG_OR1_AM & OR_AM_MSK) | CFG_OR1_TIMING) */
+/* #define CFG_BR1_FINAL   ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) */
+
+#define CFG_PTB_PER_CLK	((4096 * 16 * 1000) / (4 * 64))
+#define CFG_PTA_PER_CLK 195
+#define CFG_MBMR_PTB	195
+#define CFG_MPTPR	MPTPR_PTP_DIV16
+#define CFG_MAR		0x88
+
+#define CFG_MBMR_8COL  ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
+			MBMR_AMB_TYPE_0 | \
+			MBMR_G0CLB_A10 | \
+			MBMR_DSB_1_CYCL | \
+			MBMR_RLFB_1X | \
+			MBMR_WLFB_1X | \
+			MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
+
+#define CFG_MBMR_9COL  ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
+			MBMR_AMB_TYPE_1 | \
+			MBMR_G0CLB_A10 | \
+			MBMR_DSB_1_CYCL | \
+			MBMR_RLFB_1X | \
+			MBMR_WLFB_1X | \
+			MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
+
+
+/* PLD CS5 */
+#define CFG_SPC1920_PLD_BASE	0x80000000
+#define CFG_PRELIM_OR5_AM	0xffff8000
+
+#define CFG_OR5_PRELIM		(CFG_PRELIM_OR5_AM | \
+					OR_CSNT_SAM | \
+					OR_ACS_DIV1 | \
+					OR_BI | \
+					OR_SCY_0_CLK | \
+					OR_TRLX)
+
+#define CFG_BR5_PRELIM ((CFG_SPC1920_PLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
+
+/* #define CFG_PLD_BASE   0x30000000 */
+/* #define CFG_OR5_PRELIM 0xffff1110 */
+/* #define CFG_BR5_PRELIM 0x30000401 */
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM	0x02		/* Software reboot			*/
+
+/* Machine type
+*/
+#define _MACH_8xx (_MACH_fads)
+
+#endif	/* __CONFIG_H */