patch-2.4.22 linux-2.4.22/arch/mips/au1000/xxs1500/board_setup.c

• Lines: 95
• Date: 2003-08-25 04:44:39.000000000 -0700
• Orig file: linux-2.4.21/arch/mips/au1000/xxs1500/board_setup.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/mips/au1000/xxs1500/board_setup.c linux-2.4.22/arch/mips/au1000/xxs1500/board_setup.c
@@ -0,0 +1,94 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	MyCable XXS1500 board setup.
+ *
+ * Copyright 2000-2003 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/keyboard.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/pgtable.h>
+#include <asm/au1000.h>
+
+extern struct rtc_ops no_rtc_ops;
+
+void __init board_setup(void)
+{
+	u32 pin_func;
+	
+	rtc_ops = &no_rtc_ops;
+
+	// set multiple use pins (UART3/GPIO) to UART (it's used as UART too)
+	pin_func = au_readl(SYS_PINFUNC) & (u32)(~SYS_PF_UR3);
+	pin_func |= SYS_PF_UR3;
+	au_writel(pin_func, SYS_PINFUNC);
+
+	// enable UART
+	au_writel(0x01, UART3_ADDR+UART_MOD_CNTRL); // clock enable (CE)
+	mdelay(10);
+	au_writel(0x03, UART3_ADDR+UART_MOD_CNTRL); // CE and "enable"
+	mdelay(10);
+
+	// enable DTR = USB power up
+	au_writel(0x01, UART3_ADDR+UART_MCR); //? UART_MCR_DTR is 0x01???
+
+#ifdef CONFIG_PCMCIA_XXS1500
+	/* setup pcmcia signals */
+	au_writel(0, SYS_PININPUTEN);
+
+	/* gpio 0, 1, and 4 are inputs */
+	au_writel(1 | (1<<1) | (1<<4), SYS_TRIOUTCLR);
+
+	/* enable GPIO2 if not already enabled */
+	au_writel(1, GPIO2_ENABLE);
+	/* gpio2 208/9/10/11 are inputs */
+	au_writel((1<<8) | (1<<9) | (1<<10) | (1<<11), GPIO2_DIR);
+	
+	/* turn off power */
+	au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), GPIO2_OUTPUT);
+#endif
+	
+
+#ifdef CONFIG_PCI
+#if defined(__MIPSEB__)
+	au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
+#else
+	au_writel(0xf, Au1500_PCI_CFG);
+#endif
+#endif
+}