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Diffstat (limited to 'arch/mips/alchemy/db1x00/board_setup.c')
-rw-r--r--arch/mips/alchemy/db1x00/board_setup.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/arch/mips/alchemy/db1x00/board_setup.c b/arch/mips/alchemy/db1x00/board_setup.c
new file mode 100644
index 000000000000..9e5ccbbfcedd
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+++ b/arch/mips/alchemy/db1x00/board_setup.c
@@ -0,0 +1,108 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * Alchemy Db1x00 board setup.
+ *
+ * Copyright 2000, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <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/init.h>
+
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-db1x00/db1x00.h>
+
+static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
+
+void board_reset(void)
+{
+ /* Hit BCSR.SW_RESET[RESET] */
+ bcsr->swreset = 0x0000;
+}
+
+void __init board_setup(void)
+{
+ u32 pin_func = 0;
+
+ /* Not valid for Au1550 */
+#if defined(CONFIG_IRDA) && \
+ (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
+ /* Set IRFIRSEL instead of GPIO15 */
+ pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;
+ 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
+ bcsr->pcmcia = 0x0000; /* 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 GPIOs */
+ au_writel(~(1 << 20), SYS_TRIOUTCLR);
+
+ /* Set GPIO[210:208] instead of SSI_0 */
+ pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
+
+ /* Set GPIO[215:211] for LEDs */
+ pin_func |= 5 << 2;
+
+ /* Set GPIO[214:213] for more LEDs */
+ pin_func |= 5 << 12;
+
+ /* Set GPIO[207:200] instead of PCMCIA/LCD */
+ pin_func |= SYS_PF_LCD | SYS_PF_PC;
+ 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(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1500
+ printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1100
+ printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
+#endif
+#ifdef CONFIG_MIPS_BOSPORUS
+ printk(KERN_INFO "AMD Alchemy Bosporus Board\n");
+#endif
+#ifdef CONFIG_MIPS_MIRAGE
+ printk(KERN_INFO "AMD Alchemy Mirage Board\n");
+#endif
+#ifdef CONFIG_MIPS_DB1550
+ printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n");
+#endif
+}