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Diffstat (limited to 'arch/mips/au1000/db1x00/board_setup.c')
-rw-r--r--arch/mips/au1000/db1x00/board_setup.c61
1 files changed, 30 insertions, 31 deletions
diff --git a/arch/mips/au1000/db1x00/board_setup.c b/arch/mips/au1000/db1x00/board_setup.c
index b7dcbad5c58..9e5ccbbfced 100644
--- a/arch/mips/au1000/db1x00/board_setup.c
+++ b/arch/mips/au1000/db1x00/board_setup.c
@@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* Alchemy Db1x00 board setup.
*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
+ * 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
@@ -37,49 +36,49 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
void board_reset(void)
{
- /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
+ /* Hit BCSR.SW_RESET[RESET] */
bcsr->swreset = 0x0000;
}
void __init board_setup(void)
{
- u32 pin_func;
+ u32 pin_func = 0;
- pin_func = 0;
- /* not valid for 1550 */
-
-#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));
+ /* 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 */
+ /* Power off until the driver is in use */
bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK;
- bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF;
+ 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 */
+ /* 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);
+ /* 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) | (u32)(1);
+ /* Set GPIO[210:208] instead of SSI_0 */
+ pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
- /* set GPIO[215:211] for LED's */
- pin_func |= (u32)((5<<2));
+ /* Set GPIO[215:211] for LEDs */
+ pin_func |= 5 << 2;
- /* set GPIO[214:213] for more LED's */
- pin_func |= (u32)((5<<12));
+ /* Set GPIO[214:213] for more LEDs */
+ pin_func |= 5 << 12;
- /* set GPIO[207:200] instead of PCMCIA/LCD */
- pin_func |= (u32)((3<<17));
+ /* 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
+ /*
+ * Enable speaker amplifier. This should
* be part of the audio driver.
*/
au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
@@ -89,21 +88,21 @@ void __init board_setup(void)
au_sync();
#ifdef CONFIG_MIPS_DB1000
- printk("AMD Alchemy Au1000/Db1000 Board\n");
+ printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1500
- printk("AMD Alchemy Au1500/Db1500 Board\n");
+ printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1100
- printk("AMD Alchemy Au1100/Db1100 Board\n");
+ printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n");
#endif
#ifdef CONFIG_MIPS_BOSPORUS
- printk("AMD Alchemy Bosporus Board\n");
+ printk(KERN_INFO "AMD Alchemy Bosporus Board\n");
#endif
#ifdef CONFIG_MIPS_MIRAGE
- printk("AMD Alchemy Mirage Board\n");
+ printk(KERN_INFO "AMD Alchemy Mirage Board\n");
#endif
#ifdef CONFIG_MIPS_DB1550
- printk("AMD Alchemy Au1550/Db1550 Board\n");
+ printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n");
#endif
}