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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.c33
1 files changed, 30 insertions, 3 deletions
diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c
index 13f9bf5f91a..7bc5af8917d 100644
--- a/arch/mips/au1000/mtx-1/board_setup.c
+++ b/arch/mips/au1000/mtx-1/board_setup.c
@@ -43,6 +43,9 @@
#include <asm/pgtable.h>
#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);
+
void board_reset (void)
{
/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
@@ -66,19 +69,43 @@ void __init board_setup(void)
#endif
// initialize sys_pinfunc:
- // disable second ethernet port (SYS_PF_NI2)
- // set U3/GPIO23 to GPIO23 (SYS_PF_U3)
- au_writel( SYS_PF_NI2 | SYS_PF_U3, 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
// 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");
}
+
+int
+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;
+ }
+#endif
+
+ if (assert && devsel != 0) {
+ // supress 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;
+}
+