summaryrefslogtreecommitdiff
path: root/board/zipitz2
diff options
context:
space:
mode:
Diffstat (limited to 'board/zipitz2')
-rw-r--r--board/zipitz2/Makefile10
-rw-r--r--board/zipitz2/config.mk1
-rw-r--r--board/zipitz2/lowlevel_init.S40
-rw-r--r--board/zipitz2/zipitz2.c57
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