Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=baa545fddd752f46ced034bc3d95778649b67c2d
Commit:     baa545fddd752f46ced034bc3d95778649b67c2d
Parent:     6fff989157aa0506520637277ec4653306689c25
Author:     Florian Fainelli <[EMAIL PROTECTED]>
AuthorDate: Fri Mar 2 22:07:48 2007 +0100
Committer:  Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Sun Mar 4 19:02:44 2007 +0000

    [MIPS] MTX1: add idsel cardbus ressources
    
    Adds cardbus ressources for MTX1 boards which have a PCMCIA controller.
    
    Signed-off-by: Florian Fainelli <[EMAIL PROTECTED]>
    Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
 arch/mips/au1000/mtx-1/board_setup.c |   29 +++++++++++++++++++++++++++++
 arch/mips/au1000/mtx-1/irqmap.c      |    2 +-
 2 files changed, 30 insertions(+), 1 deletions(-)

diff --git a/arch/mips/au1000/mtx-1/board_setup.c 
b/arch/mips/au1000/mtx-1/board_setup.c
index 7a3cf72..7bc5af8 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] */
@@ -72,11 +75,37 @@ void __init board_setup(void)
        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;
+}
+
diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/au1000/mtx-1/irqmap.c
index 4693a4e..a4fa0f2 100644
--- a/arch/mips/au1000/mtx-1/irqmap.c
+++ b/arch/mips/au1000/mtx-1/irqmap.c
@@ -48,7 +48,7 @@
 #include <asm/mach-au1x00/au1000.h>
 
 char irq_tab_alchemy[][5] __initdata = {
- [0] = { -1, INTA, INTB, INTX, INTX},   /* IDSEL 00 - AdapterA-Slot0 (top)    
*/
+ [0] = { -1, INTA, INTA, INTX, INTX},   /* IDSEL 00 - AdapterA-Slot0 (top)    
*/
  [1] = { -1, INTB, INTA, INTX, INTX},   /* IDSEL 01 - AdapterA-Slot1 (bottom) 
*/
  [2] = { -1, INTC, INTD, INTX, INTX},   /* IDSEL 02 - AdapterB-Slot0 (top)    
*/
  [3] = { -1, INTD, INTC, INTX, INTX},   /* IDSEL 03 - AdapterB-Slot1 (bottom) 
*/
-
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