aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/au1000/db1x00/board_setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/au1000/db1x00/board_setup.c')
-rw-r--r--arch/mips/au1000/db1x00/board_setup.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/mips/au1000/db1x00/board_setup.c b/arch/mips/au1000/db1x00/board_setup.c
new file mode 100644
index 00000000000..ac05ba0ff63
--- /dev/null
+++ b/arch/mips/au1000/db1x00/board_setup.c
@@ -0,0 +1,127 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * Alchemy Db1x00 board setup.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ * ppopov@mvista.com or source@mvista.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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+#include <linux/mc146818rtc.h>
+#include <linux/delay.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/pgtable.h>
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-db1x00/db1x00.h>
+
+/* not correct for db1550 */
+static BCSR * const bcsr = (BCSR *)0xAE000000;
+
+void board_reset (void)
+{
+ /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
+ au_writel(0x00000000, 0xAE00001C);
+}
+
+void __init board_setup(void)
+{
+ u32 pin_func;
+
+ pin_func = 0;
+ /* not valid for 1550 */
+#ifdef CONFIG_AU1X00_USB_DEVICE
+ // 2nd USB port is USB device
+ pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
+ au_writel(pin_func, SYS_PINFUNC);
+#endif
+
+#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
+ /* set IRFIRSEL instead of GPIO15 */
+ pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
+ au_writel(pin_func, SYS_PINFUNC);
+ /* power off until the driver is in use */
+ bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
+ bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF;
+ au_sync();
+#endif
+ au_writel(0, 0xAE000010); /* turn off pcmcia power */
+
+#ifdef CONFIG_MIPS_MIRAGE
+ /* enable GPIO[31:0] inputs */
+ au_writel(0, SYS_PININPUTEN);
+
+ /* GPIO[20] is output, tristate the other input primary GPIO's */
+ au_writel((u32)(~(1<<20)), SYS_TRIOUTCLR);
+
+ /* set GPIO[210:208] instead of SSI_0 */
+ pin_func = au_readl(SYS_PINFUNC) | (u32)(1);
+
+ /* set GPIO[215:211] for LED's */
+ pin_func |= (u32)((5<<2));
+
+ /* set GPIO[214:213] for more LED's */
+ pin_func |= (u32)((5<<12));
+
+ /* set GPIO[207:200] instead of PCMCIA/LCD */
+ pin_func |= (u32)((3<<17));
+ au_writel(pin_func, SYS_PINFUNC);
+
+ /* Enable speaker amplifier. This should
+ * be part of the audio driver.
+ */
+ au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
+ au_writel(0x02000200, GPIO2_OUTPUT);
+#endif
+
+ au_sync();
+
+#ifdef CONFIG_MIPS_DB1000
+ printk("AMD Alchemy Au1000/Db1000 Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1500
+ printk("AMD Alchemy Au1500/Db1500 Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1100
+ printk("AMD Alchemy Au1100/Db1100 Board\n");
+#endif
+#ifdef CONFIG_MIPS_BOSPORUS
+ printk("AMD Alchemy Bosporus Board\n");
+#endif
+#ifdef CONFIG_MIPS_MIRAGE
+ printk("AMD Alchemy Mirage Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1550
+ printk("AMD Alchemy Au1550/Db1550 Board\n");
+#endif
+}