diff options
Diffstat (limited to 'arch/mips/au1000/mtx-1/board_setup.c')
| -rw-r--r-- | arch/mips/au1000/mtx-1/board_setup.c | 33 |
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; +} + |