diff options
Diffstat (limited to 'board/zipitz2')
| -rw-r--r-- | board/zipitz2/Makefile | 10 | ||||
| -rw-r--r-- | board/zipitz2/config.mk | 1 | ||||
| -rw-r--r-- | board/zipitz2/lowlevel_init.S | 40 | ||||
| -rw-r--r-- | board/zipitz2/zipitz2.c | 57 |
4 files changed, 33 insertions, 75 deletions
diff --git a/board/zipitz2/Makefile b/board/zipitz2/Makefile index 2673835..8d452de 100644 --- a/board/zipitz2/Makefile +++ b/board/zipitz2/Makefile @@ -29,17 +29,15 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a COBJS := zipitz2.o -SOBJS := lowlevel_init.o -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) clean: - rm -f $(SOBJS) $(OBJS) + rm -f $(OBJS) distclean: clean rm -f $(LIB) core *.bak $(obj).depend diff --git a/board/zipitz2/config.mk b/board/zipitz2/config.mk deleted file mode 100644 index 0f10662..0000000 --- a/board/zipitz2/config.mk +++ /dev/null @@ -1 +0,0 @@ -CONFIG_SYS_TEXT_BASE = 0xa1000000 diff --git a/board/zipitz2/lowlevel_init.S b/board/zipitz2/lowlevel_init.S deleted file mode 100644 index 82a52e8..0000000 --- a/board/zipitz2/lowlevel_init.S +++ /dev/null @@ -1,40 +0,0 @@ -/* - * 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/zipitz2.c b/board/zipitz2/zipitz2.c index 14d1d76..9e6a0d5 100644 --- a/board/zipitz2/zipitz2.c +++ b/board/zipitz2/zipitz2.c @@ -28,6 +28,7 @@ #include <serial.h> #include <asm/arch/hardware.h> #include <spi.h> +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -43,10 +44,11 @@ inline void lcd_start(void) {}; int board_init (void) { - /* memory and cpu-speed are setup before relocation */ - /* so we do _nothing_ here */ + /* We have RAM, disable cache */ + dcache_disable(); + icache_disable(); - /* arch number of Lubbock-Board */ + /* arch number of Z2 */ gd->bd->bi_arch_number = MACH_TYPE_ZIPIT2; /* adress of boot parameters */ @@ -58,24 +60,23 @@ int board_init (void) return 0; } -int board_late_init(void) +struct serial_device *default_serial_console (void) { - setenv("stdout", "serial"); - setenv("stderr", "serial"); - return 0; + return &serial_stuart_device; } -struct serial_device *default_serial_console (void) +extern void pxa_dram_init(void); +int dram_init(void) { - return &serial_stuart_device; + pxa_dram_init(); + gd->ram_size = PHYS_SDRAM_1_SIZE; + return 0; } -int dram_init (void) +void dram_init_banksize(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 @@ -129,24 +130,24 @@ void zipitz2_spi_sda(int set) { /* GPIO 13 */ if (set) - GPSR0 = (1 << 13); + writel((1 << 13), GPSR0); else - GPCR0 = (1 << 13); + writel((1 << 13), GPCR0); } void zipitz2_spi_scl(int set) { /* GPIO 22 */ if (set) - GPCR0 = (1 << 22); + writel((1 << 22), GPCR0); else - GPSR0 = (1 << 22); + writel((1 << 22), GPSR0); } unsigned char zipitz2_spi_read(void) { /* GPIO 40 */ - return !!(GPLR1 & (1 << 8)); + return !!(readl(GPLR1) & (1 << 8)); } int spi_cs_is_valid(unsigned int bus, unsigned int cs) @@ -158,13 +159,13 @@ int spi_cs_is_valid(unsigned int bus, unsigned int cs) void spi_cs_activate(struct spi_slave *slave) { /* GPIO 88 low */ - GPCR2 = (1 << 24); + writel((1 << 24), GPCR2); } void spi_cs_deactivate(struct spi_slave *slave) { /* GPIO 88 high */ - GPSR2 = (1 << 24); + writel((1 << 24), GPSR2); } @@ -176,20 +177,20 @@ void lcd_start(void) unsigned char dummy[3] = { 0, 0, 0 }; /* PWM2 AF */ - GAFR0_L |= 0x00800000; + writel(readl(GAFR0_L) | 0x00800000, GAFR0_L); /* Enable clock to all PWM */ - CKEN |= 0x3; + writel(readl(CKEN) | 0x3, CKEN); /* Configure PWM2 */ - PWM_CTRL2 = 0x4f; - PWM_PWDUTY2 = 0x2ff; - PWM_PERVAL2 = 792; + writel(0x4f, PWM_CTRL2); + writel(0x2ff, PWM_PWDUTY2); + writel(792, PWM_PERVAL2); /* Toggle the reset pin to reset the LCD */ - GPSR0 = (1 << 19); + writel((1 << 19), GPSR0); udelay(100000); - GPCR0 = (1 << 19); + writel((1 << 19), GPCR0); udelay(20000); - GPSR0 = (1 << 19); + writel((1 << 19), GPSR0); udelay(20000); /* Program the LCD init sequence */ @@ -208,6 +209,6 @@ void lcd_start(void) udelay(lcd_data[i].mdelay * 1000); } - GPSR0 = (1 << 11); + writel((1 << 11), GPSR0); } #endif |