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[PATCH] m32r: Update m32r_cfc.[ch] to support Mappi-III platform
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This patch is for the M32R CF/PCMCIA drivers to support a new platform,
Mappi-III evaluation board.

Signed-off-by: Mamoru Sakugawa <sakugawa@linux-m32r.org>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@htakata
htakata authored and Linus Torvalds committed Jun 22, 2005
1 parent 6f973b0 commit 934bb7f
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Showing 3 changed files with 33 additions and 38 deletions.
6 changes: 4 additions & 2 deletions drivers/pcmcia/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -171,19 +171,21 @@ config PCMCIA_PROBE
config M32R_PCC
bool "M32R PCMCIA I/F"
depends on M32R && CHIP_M32700 && PCMCIA
select PCCARD_NONSTATIC
help
Say Y here to use the M32R PCMCIA controller.

config M32R_CFC
bool "M32R CF I/F Controller"
depends on M32R && (PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_OPSPUT)
depends on M32R && (PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_MAPPI3 || PLAT_OPSPUT)
select PCCARD_NONSTATIC
help
Say Y here to use the M32R CompactFlash controller.

config M32R_CFC_NUM
int "M32R CF I/F number"
depends on M32R_CFC
default "1" if PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_OPSPUT
default "1" if PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_MAPPI3 || PLAT_OPSPUT
help
Set the number of M32R CF slots.

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57 changes: 23 additions & 34 deletions drivers/pcmcia/m32r_cfc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,9 +24,9 @@
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/device.h>
#include <linux/bitops.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/bitops.h>
#include <asm/system.h>

#include <pcmcia/version.h>
Expand Down Expand Up @@ -444,26 +444,31 @@ static int _pcc_get_status(u_short sock, u_int *value)
debug(3, "m32r_cfc: _pcc_get_status: "
"power off (CPCR=0x%08x)\n", status);
}
#elif defined(CONFIG_PLAT_MAPPI2)
#elif defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
if ( status ) {
status = pcc_get(sock, (unsigned int)PLD_CPCR);
if (status == 0) { /* power off */
pcc_set(sock, (unsigned int)PLD_CPCR, 1);
pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); /* force buffer off for ZA-36 */
udelay(50);
}
status = pcc_get(sock, (unsigned int)PLD_CFBUFCR);
if (status != 0) { /* buffer off */
pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);
udelay(50);
pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0101);
udelay(25); /* for IDE reset */
pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0100);
mdelay(2); /* for IDE reset */
} else {
*value |= SS_POWERON;
*value |= SS_READY;
}
*value |= SS_POWERON;

pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);
udelay(50);
pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0101);
udelay(25); /* for IDE reset */
pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0100);
mdelay(2); /* for IDE reset */

*value |= SS_READY;
*value |= SS_3VCARD;
} else {
/* disable CF power */
pcc_set(sock, (unsigned int)PLD_CPCR, 0);
udelay(100);
debug(3, "m32r_cfc: _pcc_get_status: "
"power off (CPCR=0x%08x)\n", status);
}
#else
#error no platform configuration
Expand All @@ -479,14 +484,13 @@ static int _pcc_get_socket(u_short sock, socket_state_t *state)
{
// pcc_socket_t *t = &socket[sock];

#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
state->flags = 0;
state->csc_mask = SS_DETECT;
state->csc_mask |= SS_READY;
state->io_irq = 0;
state->Vcc = 33; /* 3.3V fixed */
state->Vpp = 33;
#endif

debug(3, "m32r_cfc: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, "
"io_irq %d, csc_mask %#2.2x\n", sock, state->flags,
state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
Expand All @@ -497,32 +501,17 @@ static int _pcc_get_socket(u_short sock, socket_state_t *state)

static int _pcc_set_socket(u_short sock, socket_state_t *state)
{
#if defined(CONFIG_PLAT_MAPPI2)
u_long reg = 0;
#endif
debug(3, "m32r_cfc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
"io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
state->Vcc, state->Vpp, state->io_irq, state->csc_mask);

#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT)
#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) || defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
if (state->Vcc) {
if ((state->Vcc != 50) && (state->Vcc != 33))
return -EINVAL;
/* accept 5V and 3.3V */
}
#elif defined(CONFIG_PLAT_MAPPI2)
if (state->Vcc) {
/*
* 5V only
*/
if (state->Vcc == 50) {
reg |= PCCSIGCR_VEN;
} else {
return -EINVAL;
}
}
#endif

if (state->flags & SS_RESET) {
debug(3, ":RESET\n");
pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x101);
Expand Down Expand Up @@ -788,7 +777,7 @@ static int __init init_m32r_pcc(void)
return ret;
}

#if defined(CONFIG_PLAT_MAPPI2)
#if defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3)
pcc_set(0, (unsigned int)PLD_CFCR0, 0x0f0f);
pcc_set(0, (unsigned int)PLD_CFCR1, 0x0200);
#endif
Expand Down Expand Up @@ -825,7 +814,7 @@ static int __init init_m32r_pcc(void)
for (i = 0 ; i < pcc_sockets ; i++) {
socket[i].socket.dev.dev = &pcc_device.dev;
socket[i].socket.ops = &pcc_operations;
socket[i].socket.resource_ops = &pccard_static_ops;
socket[i].socket.resource_ops = &pccard_nonstatic_ops;
socket[i].socket.owner = THIS_MODULE;
socket[i].number = i;
ret = pcmcia_register_socket(&socket[i].socket);
Expand Down
8 changes: 6 additions & 2 deletions drivers/pcmcia/m32r_cfc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -71,11 +71,15 @@

#define CFC_IOPORT_BASE 0x1000

#if !defined(CONFIG_PLAT_USRV)
#if defined(CONFIG_PLAT_MAPPI3)
#define CFC_ATTR_MAPBASE 0x14014000
#define CFC_IO_MAPBASE_BYTE 0xb4012000
#define CFC_IO_MAPBASE_WORD 0xb4002000
#elif !defined(CONFIG_PLAT_USRV)
#define CFC_ATTR_MAPBASE 0x0c014000
#define CFC_IO_MAPBASE_BYTE 0xac012000
#define CFC_IO_MAPBASE_WORD 0xac002000
#else /* CONFIG_PLAT_USRV */
#else
#define CFC_ATTR_MAPBASE 0x04014000
#define CFC_IO_MAPBASE_BYTE 0xa4012000
#define CFC_IO_MAPBASE_WORD 0xa4002000
Expand Down

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