[PATCH] 8xx PCMCIA: support for MPC885ADS and MPC866ADS

This adds PCMCIA support for both MPC885ADS and MPC866ADS.

This is established not together with FADS, because 885 does not have
io_block_mapping() for BCSR area.
Also, some cleanups done both for 885ADS and MBX.

Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 91 insertions, 6 deletions

diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c
index ddaab13d21bd..0e07d9535116 100644
--- a/drivers/pcmcia/m8xx_pcmcia.c
+++ b/drivers/pcmcia/m8xx_pcmcia.c
@@ -9,6 +9,9 @@
  *     <oliver.kurth@cyclades.de>
  * Further fixes, v2.6 kernel port
  *     <marcelo.tosatti@cyclades.com>
+ * 
+ * Some fixes, additions (C) 2005 Montavista Software, Inc. 
+ *     <vbordug@ru.mvista.com>
  *
  * "The ExCA standard specifies that socket controllers should provide
  * two IO and five memory windows per socket, which can be independently
@@ -97,6 +100,11 @@ MODULE_LICENSE("Dual MPL/GPL");
 #endif
 #endif
 
+#if defined(CONFIG_MPC885ADS)
+#define CONFIG_PCMCIA_SLOT_A
+#define PCMCIA_GLITCHY_CD
+#endif
+
 /* Cyclades ACS uses both slots */
 #ifdef CONFIG_PRxK
 #define CONFIG_PCMCIA_SLOT_A
@@ -374,11 +382,80 @@ static int voltage_set(int slot, int vcc, int vpp)
         }
 
         /* first, turn off all power */
-        out_be32(&((u32 *)BCSR1), in_be32(&((u32 *)BCSR1)) & ~(BCSR1_PCCVCC_MASK | BCSR1_PCCVPP_MASK));
+        out_be32((u32 *)BCSR1, in_be32((u32 *)BCSR1) & ~(BCSR1_PCCVCC_MASK | BCSR1_PCCVPP_MASK));
+
+        /* enable new powersettings */
+        out_be32((u32 *)BCSR1, in_be32((u32 *)BCSR1) | reg);
+
+        return 0;
+}
+
+#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
+
+static void hardware_enable(int slot)
+{
+        out_be32((u32 *)BCSR1, in_be32((u32 *)BCSR1) & ~BCSR1_PCCEN);
+}
+
+static void hardware_disable(int slot)
+{
+        out_be32((u32 *)BCSR1, in_be32((u32 *)BCSR1) |  BCSR1_PCCEN);
+}
+
+#endif
+
+/* MPC885ADS Boards */
+
+#if defined(CONFIG_MPC885ADS)
+
+#define PCMCIA_BOARD_MSG "MPC885ADS"
+
+static int voltage_set(int slot, int vcc, int vpp)
+{
+        u32 reg = 0;
+        unsigned *bcsr_io;
+
+        bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+
+        switch(vcc) {
+                case 0:
+                        break;
+                case 33:
+                        reg |= BCSR1_PCCVCC0;
+                        break;
+                case 50:
+                        reg |= BCSR1_PCCVCC1;
+                        break;
+                default:
+                        return 1;
+        }
+
+        switch(vpp) {
+                case 0:
+                        break;
+                case 33:
+                case 50:
+                        if(vcc == vpp)
+                                reg |= BCSR1_PCCVPP1;
+                        else
+                                return 1;
+                        break;
+                case 120:
+                        if ((vcc == 33) || (vcc == 50))
+                                reg |= BCSR1_PCCVPP0;
+                        else
+                                return 1;
+                default:
+                        return 1;
+        }
+
+        /* first, turn off all power */
+        out_be32(bcsr_io, in_be32(bcsr_io) & ~(BCSR1_PCCVCC_MASK | BCSR1_PCCVPP_MASK));
 
         /* enable new powersettings */
-        out_be32(&((u32 *)BCSR1), in_be32(&((u32 *)BCSR1)) | reg);
+        out_be32(bcsr_io, in_be32(bcsr_io) | reg);
 
+        iounmap(bcsr_io);
         return 0;
 }
 
@@ -386,12 +463,20 @@ static int voltage_set(int slot, int vcc, int vpp)
 
 static void hardware_enable(int slot)
 {
-        out_be32(&((u32 *)BCSR1), in_be32(&((u32 *)BCSR1)) & ~BCSR1_PCCEN);
+        unsigned *bcsr_io;
+
+        bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+        out_be32(bcsr_io, in_be32(bcsr_io) & ~BCSR1_PCCEN);
+        iounmap(bcsr_io);
 }
 
 static void hardware_disable(int slot)
 {
-        out_be32(&((u32 *)BCSR1), in_be32(&((u32 *)BCSR1)) |  BCSR1_PCCEN);
+        unsigned *bcsr_io;
+
+        bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+        out_be32(bcsr_io, in_be32(bcsr_io) |  BCSR1_PCCEN);
+        iounmap(bcsr_io);
 }
 
 #endif
@@ -440,10 +525,10 @@ static int voltage_set(int slot, int vcc, int vpp)
         }
 
         /* first, turn off all power */
-        out_8(&((u8 *)MBX_CSR2_ADDR), in_8(&((u8 *)MBX_CSR2_ADDR)) & ~(CSR2_VCC_MASK | CSR2_VPP_MASK));
+        out_8((u8 *)MBX_CSR2_ADDR, in_8((u8 *)MBX_CSR2_ADDR) & ~(CSR2_VCC_MASK | CSR2_VPP_MASK));
 
         /* enable new powersettings */
-        out_8(&((u8 *)MBX_CSR2_ADDR), in_8(&((u8 *)MBX_CSR2_ADDR)) | reg);
+        out_8((u8 *)MBX_CSR2_ADDR, in_8((u8 *)MBX_CSR2_ADDR) | reg);
 
         return 0;
 }