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[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>
This commit is contained in:
Vitaly Bordug 2005-12-08 13:56:12 -02:00 committed by Dominik Brodowski
parent a94515fa1f
commit 1371d3be04
1 changed files with 91 additions and 6 deletions
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97
drivers/pcmcia/m8xx_pcmcia.c
View File

@ -10,6 +10,9 @@
* 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
* configured and positioned in the host address space and mapped to
@ -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
@ -374,10 +382,10 @@ 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);
out_be32((u32 *)BCSR1, in_be32((u32 *)BCSR1) | reg);
return 0;
}
@ -386,12 +394,89 @@ 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);
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);
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(bcsr_io, in_be32(bcsr_io) | reg);
iounmap(bcsr_io);
return 0;
}
#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
static void hardware_enable(int slot)
{
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)
{
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;
}