PXA: ZipitZ2 support
This patch adds support for Aeronix Zipit Z2 handheld.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/board/zipitz2/Makefile b/board/zipitz2/Makefile
new file mode 100644
index 0000000..2673835
--- /dev/null
+++ b/board/zipitz2/Makefile
@@ -0,0 +1,54 @@
+
+#
+# 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).a
+
+COBJS := zipitz2.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/zipitz2/config.mk b/board/zipitz2/config.mk
new file mode 100644
index 0000000..1d650ac
--- /dev/null
+++ b/board/zipitz2/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0xa1000000
diff --git a/board/zipitz2/lowlevel_init.S b/board/zipitz2/lowlevel_init.S
new file mode 100644
index 0000000..82a52e8
--- /dev/null
+++ b/board/zipitz2/lowlevel_init.S
@@ -0,0 +1,40 @@
+/*
+ * Aeronix Zipit Z2 Lowlevel Hardware Initialization
+ *
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.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 <version.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/macro.h>
+
+.globl lowlevel_init
+lowlevel_init:
+ pxa_gpio_setup
+ pxa_wait_ticks 0x8000
+ pxa_mem_setup
+ pxa_wakeup
+ pxa_intr_setup
+ pxa_clock_setup
+
+ mov pc, lr
diff --git a/board/zipitz2/u-boot.lds b/board/zipitz2/u-boot.lds
new file mode 100644
index 0000000..fb4358b
--- /dev/null
+++ b/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/board/zipitz2/zipitz2.c b/board/zipitz2/zipitz2.c
new file mode 100644
index 0000000..14d1d76
--- /dev/null
+++ b/board/zipitz2/zipitz2.c
@@ -0,0 +1,213 @@
+/*
+ * 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>
+
+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)
+{
+ /* memory and cpu-speed are setup before relocation */
+ /* so we do _nothing_ here */
+
+ /* arch number of Lubbock-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_ZIPIT2;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0xa0000100;
+
+ /* Enable LCD */
+ lcd_start();
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ setenv("stdout", "serial");
+ setenv("stderr", "serial");
+ return 0;
+}
+
+struct serial_device *default_serial_console (void)
+{
+ return &serial_stuart_device;
+}
+
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
+
+#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)
+ GPSR0 = (1 << 13);
+ else
+ GPCR0 = (1 << 13);
+}
+
+void zipitz2_spi_scl(int set)
+{
+ /* GPIO 22 */
+ if (set)
+ GPCR0 = (1 << 22);
+ else
+ GPSR0 = (1 << 22);
+}
+
+unsigned char zipitz2_spi_read(void)
+{
+ /* GPIO 40 */
+ return !!(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 */
+ GPCR2 = (1 << 24);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ /* GPIO 88 high */
+ GPSR2 = (1 << 24);
+
+}
+
+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 */
+ GAFR0_L |= 0x00800000;
+ /* Enable clock to all PWM */
+ CKEN |= 0x3;
+ /* Configure PWM2 */
+ PWM_CTRL2 = 0x4f;
+ PWM_PWDUTY2 = 0x2ff;
+ PWM_PERVAL2 = 792;
+
+ /* Toggle the reset pin to reset the LCD */
+ GPSR0 = (1 << 19);
+ udelay(100000);
+ GPCR0 = (1 << 19);
+ udelay(20000);
+ GPSR0 = (1 << 19);
+ 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);
+ }
+
+ GPSR0 = (1 << 11);
+}
+#endif