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path: root/packages/u-boot/u-boot-1.1.4/at32stk1000/atstk1000-spi-support.patch
blob: b9cdba16ff1d079c7cb7829d314a8a2ff103555c (plain)
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diff -uprN u-boot-orig/board/atstk1000/spi.c u-boot/board/atstk1000/spi.c
--- u-boot-orig/board/atstk1000/spi.c	1970-01-01 01:00:00.000000000 +0100
+++ u-boot/board/atstk1000/spi.c	2007-01-03 08:46:36.000000000 +0100
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * 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 <spi.h>
+#include <asm/io.h>
+#include <atmel_spi.h>
+
+extern void ltv350qv_init(void);
+
+static struct spi_options_t cs0 = {
+	.reg		= 0,
+	.baudrate	= 200000,
+	.bits		= 8,
+	.spck_delay	= 0,
+	.trans_delay	= 0,
+	.stay_act	= 1,
+	.spi_mode	= 3,
+};
+static struct spi_options_t cs1 = {
+	.reg		= 1,
+	.baudrate	= 1500000,
+	.bits		= 8,
+	.spck_delay	= 0,
+	.trans_delay	= 0,
+	.stay_act	= 1,
+	.spi_mode	= 3,
+};
+
+void spi_chipsel_dac(int cs)
+{
+	if (cs) spi_select_chip(0);
+	else spi_unselect_chip(0);
+}
+
+void spi_chipsel_lcd(int cs)
+{
+	if (cs) spi_select_chip(1);
+	else spi_unselect_chip(1);
+}
+
+spi_chipsel_type spi_chipsel[] = {
+	spi_chipsel_dac,
+	spi_chipsel_lcd,
+};
+int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]);
+
+void board_init_spi(void)
+{
+	int ret;
+
+	spi_init();
+
+	ret = spi_setup_chip_reg(&cs0, 45000000); /* TODO: get APBA speed */
+	if (ret)
+		return;
+	ret = spi_setup_chip_reg(&cs1, 45000000); /* TODO: get APBA speed */
+	if (ret)
+		return;
+
+	spi_enable();
+
+	ltv350qv_init();
+}
diff -uprN u-boot-orig/board/atstk1000/Makefile u-boot/board/atstk1000/Makefile
--- u-boot-orig/board/atstk1000/Makefile	2007-01-01 19:26:46.000000000 +0100
+++ u-boot/board/atstk1000/Makefile	2007-01-01 16:23:12.000000000 +0100
@@ -31,6 +31,7 @@ endif
 LIB		:= lib$(BOARD).a
 
 SRC		:= $(BOARD).c $(DAUGHTERBOARD).c eth.c flash.c
+SRC		+= spi.c
 OBJS		:= $(addsuffix .o,$(basename $(SRC)))
 
 .PHONY: all