PXA: Palm Tungsten|C Support

This patch adds support for the Palm Tungsten|C PXA255 board. The support
includes:
- LCD
- MMC
- UART
- NOR

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>

8 files changed, 454 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 4db587a..18cc687 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -809,6 +809,10 @@ Greg Ungerer <greg.ungerer@opengear.com>
 	cm4116		ks8695p
 	cm4148		ks8695p
 
+Marek Vasut <marek.vasut@gmail.com>
+
+	palmtc		xscale
+
 Hugo Villeneuve <hugo.villeneuve@lyrtech.com>
 
 	SFFSDR		ARM926EJS
diff --git a/board/palmtc/Makefile b/board/palmtc/Makefile
new file mode 100644
index 0000000..20ac4e1
--- /dev/null
+++ b/board/palmtc/Makefile
@@ -0,0 +1,49 @@
+#
+# Palm Tungsten|C Support
+#
+# Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
+#
+# 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	:= palmtc.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/palmtc/config.mk b/board/palmtc/config.mk
new file mode 100644
index 0000000..1d650ac
--- /dev/null
+++ b/board/palmtc/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0xa1000000
diff --git a/board/palmtc/lowlevel_init.S b/board/palmtc/lowlevel_init.S
new file mode 100644
index 0000000..74050dc
--- /dev/null
+++ b/board/palmtc/lowlevel_init.S
@@ -0,0 +1,39 @@
+/*
+ * Palm Tungsten|C 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/palmtc/palmtc.c b/board/palmtc/palmtc.c
new file mode 100644
index 0000000..04cb33e
--- /dev/null
+++ b/board/palmtc/palmtc.c
@@ -0,0 +1,59 @@
+/*
+ * Palm Tungsten|C Support
+ *
+ * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * 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/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init(void)
+{
+	/* Arch number of Palm Tungsten|C */
+	gd->bd->bi_arch_number = MACH_TYPE_PALMTC;
+
+	/* Adress of boot parameters */
+	gd->bd->bi_boot_params = 0xa0000100;
+
+	/* Set PWM for LCD */
+	writel(0x5f, PWM_CTRL1);
+	writel(0x3ff, PWM_PERVAL1);
+	writel(892, PWM_PWDUTY1);
+
+	return 0;
+}
+
+struct serial_device *default_serial_console(void)
+{
+	return &serial_ffuart_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;
+}
diff --git a/board/palmtc/u-boot.lds b/board/palmtc/u-boot.lds
new file mode 100644
index 0000000..fb4358b
--- /dev/null
+++ b/board/palmtc/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/boards.cfg b/boards.cfg
index 1145bc8..7b863db 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -59,6 +59,7 @@ csb226		arm	pxa
 delta		arm	pxa
 innokom		arm	pxa
 lubbock		arm	pxa
+palmtc		arm	pxa
 pleb2		arm	pxa
 xaeniax		arm	pxa
 xm250		arm	pxa
diff --git a/include/configs/palmtc.h b/include/configs/palmtc.h
new file mode 100644
index 0000000..f4fc9cd
--- /dev/null
+++ b/include/configs/palmtc.h
@@ -0,0 +1,245 @@
+/*
+ * Palm Tungsten|C configuration file
+ *
+ * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * 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	__CONFIG_H
+#define	__CONFIG_H
+
+#include <asm/arch/pxa-regs.h>
+
+/*
+ * High Level Board Configuration Options
+ */
+#define	CONFIG_PXA250			1	/* Intel PXA255 CPU */
+#define	CONFIG_PALMTC			1	/* Palm Tungsten|C board */
+
+/*
+ * Environment settings
+ */
+#define	CONFIG_ENV_OVERWRITE
+#define	CONFIG_SYS_MALLOC_LEN		(128*1024)
+#define	CONFIG_SYS_GBL_DATA_SIZE	128
+
+#define	CONFIG_BOOTCOMMAND						\
+	"if mmc init && fatload mmc 0 0xa0000000 uboot.script ; then "	\
+		"source 0xa0000000; "					\
+	"else "								\
+		"bootm 0x80000; "					\
+	"fi; "
+#define	CONFIG_BOOTARGS							\
+	"console=tty0 console=ttyS0,115200"
+#define	CONFIG_TIMESTAMP
+#define	CONFIG_BOOTDELAY		2	/* Autoboot delay */
+#define	CONFIG_CMDLINE_TAG
+#define	CONFIG_SETUP_MEMORY_TAGS
+
+#define	CONFIG_LZMA			/* LZMA compression support */
+
+/*
+ * Serial Console Configuration
+ * STUART - the lower serial port on Colibri board
+ */
+#define	CONFIG_PXA_SERIAL
+#define	CONFIG_FFUART			1
+#define	CONFIG_BAUDRATE			115200
+#define	CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Bootloader Components Configuration
+ */
+#include <config_cmd_default.h>
+
+#undef	CONFIG_CMD_NET
+#define	CONFIG_CMD_ENV
+#define	CONFIG_CMD_MMC
+#define	CONFIG_LCD
+
+/*
+ * MMC Card Configuration
+ */
+#ifdef	CONFIG_CMD_MMC
+#define	CONFIG_MMC
+#define	CONFIG_PXA_MMC
+#define	CONFIG_SYS_MMC_BASE		0xF0000000
+#define	CONFIG_CMD_FAT
+#define	CONFIG_CMD_EXT2
+#define	CONFIG_DOS_PARTITION
+#endif
+
+/*
+ * LCD
+ */
+#ifdef	CONFIG_LCD
+#define	CONFIG_ACX517AKN
+#define	CONFIG_VIDEO_LOGO
+#define	CONFIG_CMD_BMP
+#define	CONFIG_SPLASH_SCREEN
+#define	CONFIG_SPLASH_SCREEN_ALIGN
+#define	CONFIG_VIDEO_BMP_GZIP
+#define	CONFIG_VIDEO_BMP_RLE8
+#define	CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(2 << 20)
+#endif
+
+/*
+ * KGDB
+ */
+#ifdef	CONFIG_CMD_KGDB
+#define	CONFIG_KGDB_BAUDRATE		230400	/* kgdb serial port speed */
+#define	CONFIG_KGDB_SER_INDEX		2	/* which serial port to use */
+#endif
+
+/*
+ * HUSH Shell Configuration
+ */
+#define	CONFIG_SYS_HUSH_PARSER		1
+#define	CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+
+#define	CONFIG_SYS_LONGHELP
+#ifdef	CONFIG_SYS_HUSH_PARSER
+#define	CONFIG_SYS_PROMPT		"$ "
+#else
+#define	CONFIG_SYS_PROMPT		"=> "
+#endif
+#define	CONFIG_SYS_CBSIZE		256
+#define	CONFIG_SYS_PBSIZE		\
+	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
+#define	CONFIG_SYS_MAXARGS		16
+#define	CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+#define	CONFIG_SYS_DEVICE_NULLDEV	1
+
+/*
+ * Clock Configuration
+ */
+#undef	CONFIG_SYS_CLKS_IN_HZ
+#define	CONFIG_SYS_HZ			3686400		/* Timer @ 3686400 Hz */
+#define	CONFIG_SYS_CPUSPEED		0x161		/* 400MHz;L=1 M=3 T=1 */
+
+/*
+ * Stack sizes
+ */
+#define	CONFIG_STACKSIZE		(128*1024)	/* regular stack */
+#ifdef	CONFIG_USE_IRQ
+#define	CONFIG_STACKSIZE_IRQ		(4*1024)	/* IRQ stack */
+#define	CONFIG_STACKSIZE_FIQ		(4*1024)	/* FIQ stack */
+#endif
+
+/*
+ * DRAM Map
+ */
+#define	CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
+#define	PHYS_SDRAM_1			0xa0000000	/* SDRAM Bank #1 */
+#define	PHYS_SDRAM_1_SIZE		0x04000000	/* 64 MB */
+
+#define	CONFIG_SYS_DRAM_BASE		0xa0000000	/* CS0 */
+#define	CONFIG_SYS_DRAM_SIZE		0x04000000	/* 64 MB DRAM */
+
+#define	CONFIG_SYS_MEMTEST_START	0xa0400000	/* memtest works on */
+#define	CONFIG_SYS_MEMTEST_END		0xa0800000	/* 4 ... 8 MB in DRAM */
+
+#define	CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_DRAM_BASE
+
+/*
+ * NOR FLASH
+ */
+#ifdef	CONFIG_CMD_FLASH
+#define	PHYS_FLASH_1			0x00000000	/* Flash Bank #1 */
+#define	PHYS_FLASH_SIZE			0x01000000	/* 16 MB */
+#define	CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
+
+#define	CONFIG_SYS_FLASH_CFI
+#define	CONFIG_FLASH_CFI_DRIVER		1
+#define	CONFIG_SYS_FLASH_CFI_WIDTH      FLASH_CFI_32BIT
+
+#define	CONFIG_SYS_MAX_FLASH_BANKS	1
+#define	CONFIG_SYS_MAX_FLASH_SECT	64
+
+#define	CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
+
+#define	CONFIG_SYS_FLASH_ERASE_TOUT	(2*CONFIG_SYS_HZ)
+#define	CONFIG_SYS_FLASH_WRITE_TOUT	(2*CONFIG_SYS_HZ)
+#define	CONFIG_SYS_FLASH_LOCK_TOUT	(2*CONFIG_SYS_HZ)
+#define	CONFIG_SYS_FLASH_UNLOCK_TOUT	(2*CONFIG_SYS_HZ)
+#define	CONFIG_SYS_FLASH_PROTECTION
+
+#define	CONFIG_ENV_IS_IN_FLASH		1
+#define	CONFIG_ENV_SECT_SIZE		0x40000
+#else
+#define	CONFIG_SYS_NO_FLASH
+#define	CONFIG_ENV_IS_NOWHERE
+#endif
+
+#define	CONFIG_SYS_MONITOR_BASE		0x0
+#define	CONFIG_SYS_MONITOR_LEN		0x40000
+
+#define	CONFIG_ENV_SIZE			0x4000
+#define	CONFIG_ENV_ADDR			0x40000
+
+/*
+ * GPIO settings
+ */
+#define	CONFIG_SYS_GAFR0_L_VAL	0x00011004
+#define	CONFIG_SYS_GAFR0_U_VAL	0xa5000008
+#define	CONFIG_SYS_GAFR1_L_VAL	0x60888050
+#define	CONFIG_SYS_GAFR1_U_VAL	0xaaa50aaa
+#define	CONFIG_SYS_GAFR2_L_VAL	0x0aaaaaaa
+#define	CONFIG_SYS_GAFR2_U_VAL	0x00000000
+#define	CONFIG_SYS_GPCR0_VAL	0x0
+#define	CONFIG_SYS_GPCR1_VAL	0x0
+#define	CONFIG_SYS_GPCR2_VAL	0x0
+#define	CONFIG_SYS_GPDR0_VAL	0xcfff8140
+#define	CONFIG_SYS_GPDR1_VAL	0xfcbfbef3
+#define	CONFIG_SYS_GPDR2_VAL	0x0001ffff
+#define	CONFIG_SYS_GPSR0_VAL	0x00010f8f
+#define	CONFIG_SYS_GPSR1_VAL	0x00bf5de5
+#define	CONFIG_SYS_GPSR2_VAL	0x03fe0800
+
+#define	CONFIG_SYS_PSSR_VAL	PSSR_RDH
+
+/* Clock setup:
+ * CKEN[1] - PWM1 ; CKEN[6] - FFUART
+ * CKEN[12] - MMC ; CKEN[16] - LCD
+ */
+#define	CONFIG_SYS_CKEN		0x00011042
+#define	CONFIG_SYS_CCCR		0x00000161
+
+/*
+ * Memory settings
+ */
+#define	CONFIG_SYS_MSC0_VAL	0x800092c2
+#define	CONFIG_SYS_MSC1_VAL	0x80008000
+#define	CONFIG_SYS_MSC2_VAL	0x80008000
+#define	CONFIG_SYS_MDCNFG_VAL	0x00001ac9
+#define	CONFIG_SYS_MDREFR_VAL	0x00118018
+#define	CONFIG_SYS_MDMRS_VAL	0x00220032
+#define	CONFIG_SYS_FLYCNFG_VAL	0x01fe01fe
+#define	CONFIG_SYS_SXCNFG_VAL	0x00000000
+
+/*
+ * PCMCIA and CF Interfaces
+ */
+#define	CONFIG_SYS_MECR_VAL	0x00000000
+#define	CONFIG_SYS_MCMEM0_VAL	0x00010504
+#define	CONFIG_SYS_MCMEM1_VAL	0x00010504
+#define	CONFIG_SYS_MCATT0_VAL	0x00010504
+#define	CONFIG_SYS_MCATT1_VAL	0x00010504
+#define	CONFIG_SYS_MCIO0_VAL	0x00010e04
+#define	CONFIG_SYS_MCIO1_VAL	0x00010e04
+
+#endif	/* __CONFIG_H */