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Diffstat (limited to 'arch/mips/au1000/mtx-1/board_setup.c')
-rw-r--r--arch/mips/au1000/mtx-1/board_setup.c63
1 files changed, 30 insertions, 33 deletions
diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c
index 5736354829c6..3f8079186cf2 100644
--- a/arch/mips/au1000/mtx-1/board_setup.c
+++ b/arch/mips/au1000/mtx-1/board_setup.c
@@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* 4G Systems MTX-1 board setup.
*
- * Copyright 2003 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
+ * Copyright 2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
* Bruno Randolf <bruno.randolf@4g-systems.biz>
*
* This program is free software; you can redistribute it and/or modify it
@@ -34,7 +33,7 @@
#include <asm/mach-au1x00/au1000.h>
extern int (*board_pci_idsel)(unsigned int devsel, int assert);
-int mtx1_pci_idsel(unsigned int devsel, int assert);
+int mtx1_pci_idsel(unsigned int devsel, int assert);
void board_reset(void)
{
@@ -45,36 +44,36 @@ void board_reset(void)
void __init board_setup(void)
{
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
- // enable USB power switch
- au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR );
- au_writel( 0x100000, GPIO2_OUTPUT );
+ /* Enable USB power switch */
+ au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR);
+ au_writel(0x100000, GPIO2_OUTPUT);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
#ifdef CONFIG_PCI
#if defined(__MIPSEB__)
- au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
+ au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
#else
au_writel(0xf, Au1500_PCI_CFG);
#endif
#endif
- // initialize sys_pinfunc:
- au_writel( SYS_PF_NI2, SYS_PINFUNC );
+ /* Initialize sys_pinfunc */
+ au_writel(SYS_PF_NI2, SYS_PINFUNC);
- // initialize GPIO
- au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR );
- au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF
- au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF
- au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON
- au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF
+ /* Initialize GPIO */
+ au_writel(0xFFFFFFFF, SYS_TRIOUTCLR);
+ au_writel(0x00000001, SYS_OUTPUTCLR); /* set M66EN (PCI 66MHz) to OFF */
+ au_writel(0x00000008, SYS_OUTPUTSET); /* set PCI CLKRUN# to OFF */
+ au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
+ au_writel(0x00000020, SYS_OUTPUTCLR); /* set eth PHY TX_ER to OFF */
- // enable LED and set it to green
- au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR );
- au_writel( 0x18000800, GPIO2_OUTPUT );
+ /* Enable LED and set it to green */
+ au_writel(au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR);
+ au_writel(0x18000800, GPIO2_OUTPUT);
board_pci_idsel = mtx1_pci_idsel;
- printk("4G Systems MTX-1 Board\n");
+ printk(KERN_INFO "4G Systems MTX-1 Board\n");
}
int
@@ -82,20 +81,18 @@ mtx1_pci_idsel(unsigned int devsel, int assert)
{
#define MTX_IDSEL_ONLY_0_AND_3 0
#if MTX_IDSEL_ONLY_0_AND_3
- if (devsel != 0 && devsel != 3) {
- printk("*** not 0 or 3\n");
- return 0;
- }
+ if (devsel != 0 && devsel != 3) {
+ printk(KERN_ERR "*** not 0 or 3\n");
+ return 0;
+ }
#endif
- if (assert && devsel != 0) {
- // suppress signal to cardbus
- au_writel( 0x00000002, SYS_OUTPUTCLR ); // set EXT_IO3 OFF
- }
- else {
- au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON
- }
- au_sync_udelay(1);
- return 1;
+ if (assert && devsel != 0)
+ /* Suppress signal to Cardbus */
+ au_writel(0x00000002, SYS_OUTPUTCLR); /* set EXT_IO3 OFF */
+ else
+ au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
+ au_sync_udelay(1);
+ return 1;
}