Patches by Robert Schwebel, 14 Jun 2003:

- add support for Logotronic DL datalogger board
- cleanup serial line after kermit binary download
- add debugX macro (debug level support)
- update mach-types.h to latest arm.linux.org.uk master list.

CHANGELOG

@@ -2,6 +2,12 @@
 Changes since U-Boot 0.3.1:
 ======================================================================
 
+* Patches by Robert Schwebel, 14 Jun 2003:
+  - add support for Logotronic DL datalogger board
+  - cleanup serial line after kermit binary download
+  - add debugX macro (debug level support)
+  - update mach-types.h to latest arm.linux.org.uk master list.
+
 * Patches by David Mller, 12 Jun 2003:
   - rewrite of the S3C24X0 register definitions stuff
   - "driver" for the built-in S3C24X0 RTC

Makefile

@@ -737,6 +737,9 @@ innokom_config	:	unconfig
 lubbock_config	:	unconfig
 	@./mkconfig $(@:_config=) arm pxa lubbock
 
+logodl_config	:	unconfig
+	@./mkconfig $(@:_config=) arm pxa logodl
+
 wepep250_config	:	unconfig
 	@./mkconfig $(@:_config=) arm pxa wepep250
 

README

@@ -2651,6 +2651,14 @@ Unix, I recommend to use C-Kermit for general purpose use (and
 especially for kermit binary protocol download ("loadb" command), and
 use "cu" for S-Record download ("loads" command).
 
+Nevertheless, if you absolutely want to use it try adding this
+configuration to your "File transfer protocols" section:
+
+	   Name    Program                      Name U/D FullScr IO-Red. Multi
+	X  kermit  /usr/bin/kermit -i -l %l -s   Y    U    Y       N      N
+	Y  kermit  /usr/bin/kermit -i -l %l -r   N    D    Y       N      N
+
+
 NetBSD Notes:
 =============
 
@@ -3002,6 +3010,13 @@ it:
   We accept patches as plain text, MIME attachments or as uuencoded
   gzipped text.
 
+* If one logical set of modifications affects or creates several
+  files, all these changes shall be submitted in a SINGLE patch file.
+
+* Changesets that contain different, unrelated modifications shall be
+  submitted as SEPARATE patches, one patch per changeset.
+  
+
 Notes:
 
 * Before sending the patch, run the MAKEALL script on your patched

board/logodl/Makefile

+#
+# (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	:= logodl.o flash.o
+SOBJS	:= memsetup.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $^
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################

board/logodl/config.mk

+#
+# Linux-Kernel is expected to be at c000'8000, entry c000'8000
+#
+# we load ourself to c170'0000, the upper 1 MB of second bank
+#
+# download areas is c800'0000
+#
+
+#TEXT_BASE = 0
+
+# FIXME: armboot does only work correctly when being compiled
+# # for the addresses _after_ relocation to RAM!! Otherwhise the
+# # .bss segment is assumed in flash...
+# 
+TEXT_BASE = 0x083E0000

board/logodl/logodl.c

+/*
+ * (C) 2002 Kyle Harris <kharris@nexus-tech.net>, Nexus Technologies, Inc.
+ * (C) 2002 Marius Groeger <mgroeger@sysgo.de>, Sysgo GmbH
+ * (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix 
+ *
+ * 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/arch/pxa-regs.h>
+
+/**
+ * board_init: - setup some data structures
+ *
+ * @return: 0 in case of success
+ */
+
+int board_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* memory and cpu-speed are setup before relocation */
+	/* so we do _nothing_ here */
+
+	gd->bd->bi_arch_number = MACH_TYPE_LOGODL;
+	gd->bd->bi_boot_params = 0x08000100;
+	gd->bd->bi_baudrate = CONFIG_BAUDRATE;
+
+	(*((volatile short*)0x14800000)) = 0xff; /* power on eth0 */
+	(*((volatile short*)0x14000000)) = 0xff; /* power on uart */
+
+	return 0;
+}
+
+
+/**
+ * dram_init: - setup dynamic RAM
+ *
+ * @return: 0 in case of success
+ */
+
+int dram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+        return 0;
+}
+
+
+/** 
+ * logodl_set_led: - switch LEDs on or off
+ *
+ * @param led:   LED to switch (0,1)
+ * @param state: switch on (1) or off (0)
+ */
+
+void logodl_set_led(int led, int state)
+{
+	switch(led) {
+
+	case 0: 
+		if (state==1) { 
+			CFG_LED_A_CR = CFG_LED_A_BIT;
+		} else if (state==0) {
+			CFG_LED_A_SR = CFG_LED_A_BIT;
+		}
+		break;
+
+	case 1: 
+		if (state==1) {
+			CFG_LED_B_CR = CFG_LED_B_BIT;
+		} else if (state==0) {
+			CFG_LED_B_SR = CFG_LED_B_BIT;
+		}
+		break;
+	}
+	
+	return;
+}
+
+
+/**
+ * show_boot_progress: - indicate state of the boot process
+ *
+ * @param status: Status number - see README for details. 
+ *
+ * The LOGOTRONIC does only have 2 LEDs, so we switch them on at the most 
+ * important states (1, 5, 15).
+ */
+
+void show_boot_progress (int status)
+{
+	/*
+	  switch(status) {
+	  case  1: logodl_set_led(0,1); break;
+	  case  5: logodl_set_led(1,1); break;
+	  case 15: logodl_set_led(2,1); break;
+	  }
+	*/
+	logodl_set_led(0, (status & 1)==1);
+	logodl_set_led(1, (status & 2)==2);
+
+	return;
+}

board/logodl/memsetup.S

+/*
+ * Most of this taken from Redboot hal_platform_setup.h with cleanup
+ *
+ * NOTE: I haven't clean this up considerably, just enough to get it
+ * running. See hal_platform_setup.h for the source. See
+ * board/cradle/memsetup.S for another PXA250 setup that is
+ * much cleaner.
+ *
+ * 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 <version.h>
+#include <asm/arch/pxa-regs.h>
+
+DRAM_SIZE:  .long   CFG_DRAM_SIZE
+
+/* wait for coprocessor write complete */
+   .macro CPWAIT reg
+   mrc  p15,0,\reg,c2,c0,0
+   mov  \reg,\reg
+   sub  pc,pc,#4
+   .endm
+
+_TEXT_BASE:
+	.word	TEXT_BASE
+
+
+/*
+ * 	Memory setup
+ */
+
+.globl memsetup
+memsetup:
+
+    mov      r10, lr
+
+	/* Set up GPIO pins first ----------------------------------------- */
+
+	ldr		r0,	=GPSR0
+	ldr		r1,	=CFG_GPSR0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPSR1
+	ldr		r1,	=CFG_GPSR1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPSR2
+	ldr		r1,	=CFG_GPSR2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPCR0
+	ldr		r1,	=CFG_GPCR0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPCR1
+	ldr		r1,	=CFG_GPCR1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPCR2
+	ldr		r1,	=CFG_GPCR2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPDR0
+	ldr		r1,	=CFG_GPDR0_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPDR1
+	ldr		r1,	=CFG_GPDR1_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GPDR2
+	ldr		r1,	=CFG_GPDR2_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR0_L
+	ldr		r1,	=CFG_GAFR0_L_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR0_U
+	ldr		r1,	=CFG_GAFR0_U_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR1_L
+	ldr		r1,	=CFG_GAFR1_L_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR1_U
+	ldr		r1,	=CFG_GAFR1_U_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR2_L
+	ldr		r1,	=CFG_GAFR2_L_VAL
+	str		r1,   [r0]
+
+	ldr		r0,	=GAFR2_U
+	ldr		r1,	=CFG_GAFR2_U_VAL
+	str		r1,   [r0]
+
+	ldr	r0,	=PSSR		/* enable GPIO pins */
+	ldr		r1,	=CFG_PSSR_VAL
+	str		r1,   [r0]
+
+/*	ldr	r3,	=MSC1		/  low - bank 2 Lubbock Registers / SRAM */
+/*	ldr	r2,	=CFG_MSC1_VAL	/  high - bank 3 Ethernet Controller */
+/*	str	r2,	[r3]		/  need to set MSC1 before trying to write to the HEX LEDs */
+/*	ldr	r2,	[r3]		/  need to read it back to make sure the value latches (see MSC section of manual) */
+/* */
+/*	ldr	r1,	=LED_BLANK */
+/*	mov	r0,	#0xFF */
+/*	str	r0,	[r1]		/  turn on hex leds */
+/* */
+/*loop: */
+/* */
+/*   ldr	r0, =0xB0070001 */
+/*   ldr    	r1, =_LED */
+/*   str    	r0, [r1]		/  hex display */
+
+
+	/* ---------------------------------------------------------------- */
+	/* Enable memory interface                                          */
+	/*                                                                  */
+	/* The sequence below is based on the recommended init steps        */
+	/* detailed in the Intel PXA250 Operating Systems Developers Guide, */
+	/* Chapter 10.                                                      */
+	/* ---------------------------------------------------------------- */
+
+	/* ---------------------------------------------------------------- */
+	/* Step 1: Wait for at least 200 microsedonds to allow internal     */
+	/*         clocks to settle. Only necessary after hard reset...     */
+	/*         FIXME: can be optimized later                            */
+	/* ---------------------------------------------------------------- */
+
+	ldr r3, =OSCR			/* reset the OS Timer Count to zero */
+	mov r2, #0
+	str r2, [r3]
+	ldr r4, =0x300			/* really 0x2E1 is about 200usec,   */
+					/* so 0x300 should be plenty        */
+1:
+	ldr r2, [r3]
+	cmp r4, r2
+	bgt 1b
+
+mem_init:
+
+        ldr     r1,  =MEMC_BASE		/* get memory controller base addr. */
+
+	/* ---------------------------------------------------------------- */
+	/* Step 2a: Initialize Asynchronous static memory controller        */
+	/* ---------------------------------------------------------------- */
+
+	/* MSC registers: timing, bus width, mem type                       */
+
+        /* MSC0: nCS(0,1)                                                   */
+        ldr     r2,   =CFG_MSC0_VAL
+        str     r2,   [r1, #MSC0_OFFSET]
+        ldr     r2,   [r1, #MSC0_OFFSET]	/* read back to ensure      */
+						/* that data latches        */
+        /* MSC1: nCS(2,3)                                                   */
+        ldr     r2,  =CFG_MSC1_VAL
+        str     r2,  [r1, #MSC1_OFFSET]
+        ldr     r2,  [r1, #MSC1_OFFSET]
+
+	/* MSC2: nCS(4,5)                                                   */
+        ldr     r2,  =CFG_MSC2_VAL
+        str     r2,  [r1, #MSC2_OFFSET]
+        ldr     r2,  [r1, #MSC2_OFFSET]
+
+	/* ---------------------------------------------------------------- */
+	/* Step 2b: Initialize Card Interface                               */
+	/* ---------------------------------------------------------------- */
+
+	/* MECR: Memory Expansion Card Register                             */
+        ldr     r2,  =CFG_MECR_VAL
+        str     r2,  [r1, #MECR_OFFSET]
+	ldr	r2,	[r1, #MECR_OFFSET]
+
+	/* MCMEM0: Card Interface slot 0 timing                             */
+        ldr     r2,  =CFG_MCMEM0_VAL
+        str     r2,  [r1, #MCMEM0_OFFSET]
+	ldr	r2,	[r1, #MCMEM0_OFFSET]
+
+        /* MCMEM1: Card Interface slot 1 timing                             */
+        ldr     r2,  =CFG_MCMEM1_VAL
+        str     r2,  [r1, #MCMEM1_OFFSET]
+	ldr	r2,	[r1, #MCMEM1_OFFSET]
+
+	/* MCATT0: Card Interface Attribute Space Timing, slot 0            */
+        ldr     r2,  =CFG_MCATT0_VAL
+        str     r2,  [r1, #MCATT0_OFFSET]
+	ldr	r2,	[r1, #MCATT0_OFFSET]
+
+	/* MCATT1: Card Interface Attribute Space Timing, slot 1            */
+        ldr     r2,  =CFG_MCATT1_VAL
+        str     r2,  [r1, #MCATT1_OFFSET]
+	ldr	r2,	[r1, #MCATT1_OFFSET]
+
+	/* MCIO0: Card Interface I/O Space Timing, slot 0                   */
+        ldr     r2,  =CFG_MCIO0_VAL
+        str     r2,  [r1, #MCIO0_OFFSET]
+	ldr	r2,	[r1, #MCIO0_OFFSET]
+
+	/* MCIO1: Card Interface I/O Space Timing, slot 1                   */
+        ldr     r2,  =CFG_MCIO1_VAL
+        str     r2,  [r1, #MCIO1_OFFSET]
+	ldr	r2,	[r1, #MCIO1_OFFSET]
+
+	/* ---------------------------------------------------------------- */
+        /* Step 2c: Write FLYCNFG  FIXME: what's that???                    */
+        /* ---------------------------------------------------------------- */
+
+        /* test if we run from flash or RAM - RAM/BDI: don't setup RAM      */
+	adr	r3, mem_init		/* r0 <- current position of code   */
+	ldr	r2, =mem_init
+	cmp	r3, r2			/* skip init if in place            */
+	beq	initirqs
+
+
+	/* ---------------------------------------------------------------- */
+        /* Step 2d: Initialize Timing for Sync Memory (SDCLK0)              */
+        /* ---------------------------------------------------------------- */
+
+	/* Before accessing MDREFR we need a valid DRI field, so we set     */
+	/* this to power on defaults + DRI field.                           */
+
+	ldr 	r3, 	=CFG_MDREFR_VAL
+	ldr	r2,	=0xFFF
+	and	r3,	r3, r2
+	ldr	r4,	=0x03ca4000
+	orr	r4,	r4,  r3
+
+	str	r4,	[r1, #MDREFR_OFFSET]	/* write back MDREFR        */
+        ldr     r4,	[r1, #MDREFR_OFFSET]
+
+
+	/* ---------------------------------------------------------------- */
+	/* Step 3: Initialize Synchronous Static Memory (Flash/Peripherals) */
+	/* ---------------------------------------------------------------- */
+
+	/* Initialize SXCNFG register. Assert the enable bits               */
+
+	/* Write SXMRS to cause an MRS command to all enabled banks of      */
+	/* synchronous static memory. Note that SXLCR need not be written   */
+	/* at this time.                                                    */
+
+	/* FIXME: we use async mode for now                                 */
+
+
+        /* ---------------------------------------------------------------- */
+        /* Step 4: Initialize SDRAM                                         */
+        /* ---------------------------------------------------------------- */
+
+	/* Step 4a: assert MDREFR:K?RUN and configure                       */
+	/*          MDREFR:K1DB2 and MDREFR:K2DB2 as desired.               */
+
+	ldr	r4,	=CFG_MDREFR_VAL
+	str	r4,	[r1, #MDREFR_OFFSET]	/* write back MDREFR        */
+	ldr	r4,	[r1, #MDREFR_OFFSET]
+
+	/* Step 4b: de-assert MDREFR:SLFRSH.                                */
+
+	bic	r4,	r4, #(MDREFR_SLFRSH)
+
+        str     r4,     [r1, #MDREFR_OFFSET]    /* write back MDREFR        */
+        ldr     r4,     [r1, #MDREFR_OFFSET]
+
+
+	/* Step 4c: assert MDREFR:E1PIN and E0PIO                           */
+
+	orr	r4,	r4,	#(MDREFR_E1PIN|MDREFR_E0PIN)
+
+        str     r4,     [r1, #MDREFR_OFFSET]    /* write back MDREFR        */
+        ldr     r4,     [r1, #MDREFR_OFFSET]
+
+
+	/* Step 4d: write MDCNFG with MDCNFG:DEx deasserted (set to 0), to  */
+	/*          configure but not enable each SDRAM partition pair.     */
+
+	ldr	r4,	=CFG_MDCNFG_VAL
+	bic	r4,	r4,	#(MDCNFG_DE0|MDCNFG_DE1)
+
+        str     r4,     [r1, #MDCNFG_OFFSET]	/* write back MDCNFG        */
+        ldr     r4,     [r1, #MDCNFG_OFFSET]
+
+
+	/* Step 4e: Wait for the clock to the SDRAMs to stabilize,          */
+	/*          100..200 sec.                                          */
+
+	ldr r3, =OSCR			/* reset the OS Timer Count to zero */
+	mov r2, #0
+	str r2, [r3]
+	ldr r4, =0x300			/* really 0x2E1 is about 200usec,   */
+					/* so 0x300 should be plenty        */
+1:
+	ldr r2, [r3]
+	cmp r4, r2
+	bgt 1b
+
+
+	/* Step 4f: Trigger a number (usually 8) refresh cycles by          */
+	/*          attempting non-burst read or write accesses to disabled */
+	/*          SDRAM, as commonly specified in the power up sequence   */
+	/*          documented in SDRAM data sheets. The address(es) used   */
+	/*          for this purpose must not be cacheable.                 */
+
+	/*          There should 9 writes, since the first write doesn't    */
+	/*          trigger a refresh cycle on PXA250. See Intel PXA250 and */
+	/*          PXA210 Processors Specification Update,                 */
+	/*          Jan 2003, Errata #116, page 30.                         */
+
+
+	ldr	r3,	=CFG_DRAM_BASE
+	str	r2, [r3]
+	str	r2, [r3]
+	str	r2, [r3]
+	str	r2, [r3]
+	str	r2, [r3]
+	str	r2, [r3]
+	str	r2, [r3]
+	str	r2, [r3]
+	str	r2, [r3]
+
+	/* Step 4g: Write MDCNFG with enable bits asserted                  */
+	/*          (MDCNFG:DEx set to 1).                                  */
+
+	ldr	r3, [r1, #MDCNFG_OFFSET]
+	orr	r3,	r3,	#(MDCNFG_DE0|MDCNFG_DE1)
+	str	r3, [r1, #MDCNFG_OFFSET]
+
+	/* Step 4h: Write MDMRS.                                            */
+
+        ldr     r2,  =CFG_MDMRS_VAL
+        str     r2,  [r1, #MDMRS_OFFSET]
+
+
+	/* We are finished with Intel's memory controller initialisation    */
+
+	/* ---------------------------------------------------------------- */
+	/* Disable (mask) all interrupts at interrupt controller            */
+	/* ---------------------------------------------------------------- */
+
+initirqs:
+
+        mov     r1, #0		/* clear int. level register (IRQ, not FIQ) */
+        ldr     r2,  =ICLR
+        str     r1,  [r2]
+
+        ldr     r2,  =ICMR	/* mask all interrupts at the controller    */
+        str     r1,  [r2]
+
+
+        /* ---------------------------------------------------------------- */
+	/* Clock initialisation                                             */
+        /* ---------------------------------------------------------------- */
+
+initclks:
+
+	/*</