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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/board/zipitz2
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'u-boot/board/zipitz2')
-rw-r--r--u-boot/board/zipitz2/Makefile52
-rw-r--r--u-boot/board/zipitz2/u-boot.lds56
-rw-r--r--u-boot/board/zipitz2/zipitz2.c214
3 files changed, 322 insertions, 0 deletions
diff --git a/u-boot/board/zipitz2/Makefile b/u-boot/board/zipitz2/Makefile
new file mode 100644
index 0000000..16eea07
--- /dev/null
+++ b/u-boot/board/zipitz2/Makefile
@@ -0,0 +1,52 @@
+
+#
+# Copyright (C) 2009
+# Marek Vasut <marek.vasut@gmail.com>
+#
+# Heavily based on pxa255_idp platform
+#
+# 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).o
+
+COBJS := zipitz2.o
+
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+clean:
+ rm -f $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/board/zipitz2/u-boot.lds b/u-boot/board/zipitz2/u-boot.lds
new file mode 100644
index 0000000..fb4358b
--- /dev/null
+++ b/u-boot/board/zipitz2/u-boot.lds
@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2000-2005
+ * 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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/pxa/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
+ _end = .;
+}
diff --git a/u-boot/board/zipitz2/zipitz2.c b/u-boot/board/zipitz2/zipitz2.c
new file mode 100644
index 0000000..9e6a0d5
--- /dev/null
+++ b/u-boot/board/zipitz2/zipitz2.c
@@ -0,0 +1,214 @@
+/*
+ * Copyright (C) 2009
+ * Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Heavily based on pxa255_idp platform
+ *
+ * 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 <serial.h>
+#include <asm/arch/hardware.h>
+#include <spi.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_CMD_SPI
+void lcd_start(void);
+#else
+inline void lcd_start(void) {};
+#endif
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ /* We have RAM, disable cache */
+ dcache_disable();
+ icache_disable();
+
+ /* arch number of Z2 */
+ gd->bd->bi_arch_number = MACH_TYPE_ZIPIT2;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0xa0000100;
+
+ /* Enable LCD */
+ lcd_start();
+
+ return 0;
+}
+
+struct serial_device *default_serial_console (void)
+{
+ return &serial_stuart_device;
+}
+
+extern void pxa_dram_init(void);
+int dram_init(void)
+{
+ pxa_dram_init();
+ gd->ram_size = PHYS_SDRAM_1_SIZE;
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+}
+
+#ifdef CONFIG_CMD_SPI
+
+struct {
+ unsigned char reg;
+ unsigned short data;
+ unsigned char mdelay;
+} lcd_data[] = {
+ { 0x07, 0x0000, 0 },
+ { 0x13, 0x0000, 10 },
+ { 0x11, 0x3004, 0 },
+ { 0x14, 0x200F, 0 },
+ { 0x10, 0x1a20, 0 },
+ { 0x13, 0x0040, 50 },
+ { 0x13, 0x0060, 0 },
+ { 0x13, 0x0070, 200 },
+ { 0x01, 0x0127, 0 },
+ { 0x02, 0x0700, 0 },
+ { 0x03, 0x1030, 0 },
+ { 0x08, 0x0208, 0 },
+ { 0x0B, 0x0620, 0 },
+ { 0x0C, 0x0110, 0 },
+ { 0x30, 0x0120, 0 },
+ { 0x31, 0x0127, 0 },
+ { 0x32, 0x0000, 0 },
+ { 0x33, 0x0503, 0 },
+ { 0x34, 0x0727, 0 },
+ { 0x35, 0x0124, 0 },
+ { 0x36, 0x0706, 0 },
+ { 0x37, 0x0701, 0 },
+ { 0x38, 0x0F00, 0 },
+ { 0x39, 0x0F00, 0 },
+ { 0x40, 0x0000, 0 },
+ { 0x41, 0x0000, 0 },
+ { 0x42, 0x013f, 0 },
+ { 0x43, 0x0000, 0 },
+ { 0x44, 0x013f, 0 },
+ { 0x45, 0x0000, 0 },
+ { 0x46, 0xef00, 0 },
+ { 0x47, 0x013f, 0 },
+ { 0x48, 0x0000, 0 },
+ { 0x07, 0x0015, 30 },
+ { 0x07, 0x0017, 0 },
+ { 0x20, 0x0000, 0 },
+ { 0x21, 0x0000, 0 },
+ { 0x22, 0x0000, 0 },
+};
+
+void zipitz2_spi_sda(int set)
+{
+ /* GPIO 13 */
+ if (set)
+ writel((1 << 13), GPSR0);
+ else
+ writel((1 << 13), GPCR0);
+}
+
+void zipitz2_spi_scl(int set)
+{
+ /* GPIO 22 */
+ if (set)
+ writel((1 << 22), GPCR0);
+ else
+ writel((1 << 22), GPSR0);
+}
+
+unsigned char zipitz2_spi_read(void)
+{
+ /* GPIO 40 */
+ return !!(readl(GPLR1) & (1 << 8));
+}
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ /* Always valid */
+ return 1;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ /* GPIO 88 low */
+ writel((1 << 24), GPCR2);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ /* GPIO 88 high */
+ writel((1 << 24), GPSR2);
+
+}
+
+void lcd_start(void)
+{
+ int i;
+ unsigned char reg[3] = { 0x74, 0x00, 0 };
+ unsigned char data[3] = { 0x76, 0, 0 };
+ unsigned char dummy[3] = { 0, 0, 0 };
+
+ /* PWM2 AF */
+ writel(readl(GAFR0_L) | 0x00800000, GAFR0_L);
+ /* Enable clock to all PWM */
+ writel(readl(CKEN) | 0x3, CKEN);
+ /* Configure PWM2 */
+ writel(0x4f, PWM_CTRL2);
+ writel(0x2ff, PWM_PWDUTY2);
+ writel(792, PWM_PERVAL2);
+
+ /* Toggle the reset pin to reset the LCD */
+ writel((1 << 19), GPSR0);
+ udelay(100000);
+ writel((1 << 19), GPCR0);
+ udelay(20000);
+ writel((1 << 19), GPSR0);
+ udelay(20000);
+
+ /* Program the LCD init sequence */
+ for (i = 0; i < sizeof(lcd_data) / sizeof(lcd_data[0]); i++) {
+ reg[0] = 0x74;
+ reg[1] = 0x0;
+ reg[2] = lcd_data[i].reg;
+ spi_xfer(NULL, 24, reg, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
+
+ data[0] = 0x76;
+ data[1] = lcd_data[i].data >> 8;
+ data[2] = lcd_data[i].data & 0xff;
+ spi_xfer(NULL, 24, data, dummy, SPI_XFER_BEGIN | SPI_XFER_END);
+
+ if (lcd_data[i].mdelay)
+ udelay(lcd_data[i].mdelay * 1000);
+ }
+
+ writel((1 << 11), GPSR0);
+}
+#endif