diff options
Diffstat (limited to 'arch/mips/tx4927/common/smsc_fdc37m81x.c')
| -rw-r--r-- | arch/mips/tx4927/common/smsc_fdc37m81x.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/arch/mips/tx4927/common/smsc_fdc37m81x.c b/arch/mips/tx4927/common/smsc_fdc37m81x.c deleted file mode 100644 index 33f517bc9a0..00000000000 --- a/arch/mips/tx4927/common/smsc_fdc37m81x.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Interface for smsc fdc48m81x Super IO chip - * - * Author: MontaVista Software, Inc. source@mvista.com - * - * 2001-2003 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Copyright 2004 (c) MontaVista Software, Inc. - */ -#include <linux/init.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/tx4927/smsc_fdc37m81x.h> - -#define DEBUG - -/* Common Registers */ -#define SMSC_FDC37M81X_CONFIG_INDEX 0x00 -#define SMSC_FDC37M81X_CONFIG_DATA 0x01 -#define SMSC_FDC37M81X_CONF 0x02 -#define SMSC_FDC37M81X_INDEX 0x03 -#define SMSC_FDC37M81X_DNUM 0x07 -#define SMSC_FDC37M81X_DID 0x20 -#define SMSC_FDC37M81X_DREV 0x21 -#define SMSC_FDC37M81X_PCNT 0x22 -#define SMSC_FDC37M81X_PMGT 0x23 -#define SMSC_FDC37M81X_OSC 0x24 -#define SMSC_FDC37M81X_CONFPA0 0x26 -#define SMSC_FDC37M81X_CONFPA1 0x27 -#define SMSC_FDC37M81X_TEST4 0x2B -#define SMSC_FDC37M81X_TEST5 0x2C -#define SMSC_FDC37M81X_TEST1 0x2D -#define SMSC_FDC37M81X_TEST2 0x2E -#define SMSC_FDC37M81X_TEST3 0x2F - -/* Logical device numbers */ -#define SMSC_FDC37M81X_FDD 0x00 -#define SMSC_FDC37M81X_SERIAL1 0x04 -#define SMSC_FDC37M81X_SERIAL2 0x05 -#define SMSC_FDC37M81X_KBD 0x07 - -/* Logical device Config Registers */ -#define SMSC_FDC37M81X_ACTIVE 0x30 -#define SMSC_FDC37M81X_BASEADDR0 0x60 -#define SMSC_FDC37M81X_BASEADDR1 0x61 -#define SMSC_FDC37M81X_INT 0x70 -#define SMSC_FDC37M81X_INT2 0x72 -#define SMSC_FDC37M81X_MODE 0xF0 - -/* Chip Config Values */ -#define SMSC_FDC37M81X_CONFIG_ENTER 0x55 -#define SMSC_FDC37M81X_CONFIG_EXIT 0xaa -#define SMSC_FDC37M81X_CHIP_ID 0x4d - -static unsigned long g_smsc_fdc37m81x_base = 0; - -static inline unsigned char smsc_fdc37m81x_rd(unsigned char index) -{ - outb(index, g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX); - - return inb(g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_DATA); -} - -static inline void smsc_dc37m81x_wr(unsigned char index, unsigned char data) -{ - outb(index, g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX); - outb(data, g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_DATA); -} - -void smsc_fdc37m81x_config_beg(void) -{ - if (g_smsc_fdc37m81x_base) { - outb(SMSC_FDC37M81X_CONFIG_ENTER, - g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX); - } -} - -void smsc_fdc37m81x_config_end(void) -{ - if (g_smsc_fdc37m81x_base) - outb(SMSC_FDC37M81X_CONFIG_EXIT, - g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX); -} - -u8 smsc_fdc37m81x_config_get(u8 reg) -{ - u8 val = 0; - - if (g_smsc_fdc37m81x_base) - val = smsc_fdc37m81x_rd(reg); - - return val; -} - -void smsc_fdc37m81x_config_set(u8 reg, u8 val) -{ - if (g_smsc_fdc37m81x_base) - smsc_dc37m81x_wr(reg, val); -} - -unsigned long __init smsc_fdc37m81x_init(unsigned long port) -{ - const int field = sizeof(unsigned long) * 2; - u8 chip_id; - - if (g_smsc_fdc37m81x_base) - printk("smsc_fdc37m81x_init() stepping on old base=0x%0*lx\n", - field, g_smsc_fdc37m81x_base); - - g_smsc_fdc37m81x_base = port; - - smsc_fdc37m81x_config_beg(); - - chip_id = smsc_fdc37m81x_rd(SMSC_FDC37M81X_DID); - if (chip_id == SMSC_FDC37M81X_CHIP_ID) - smsc_fdc37m81x_config_end(); - else { - printk("smsc_fdc37m81x_init() unknow chip id 0x%02x\n", - chip_id); - g_smsc_fdc37m81x_base = 0; - } - - return g_smsc_fdc37m81x_base; -} - -#ifdef DEBUG -void smsc_fdc37m81x_config_dump_one(char *key, u8 dev, u8 reg) -{ - printk("%s: dev=0x%02x reg=0x%02x val=0x%02x\n", key, dev, reg, - smsc_fdc37m81x_rd(reg)); -} - -void smsc_fdc37m81x_config_dump(void) -{ - u8 orig; - char *fname = "smsc_fdc37m81x_config_dump()"; - - smsc_fdc37m81x_config_beg(); - - orig = smsc_fdc37m81x_rd(SMSC_FDC37M81X_DNUM); - - printk("%s: common\n", fname); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE, - SMSC_FDC37M81X_DNUM); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE, - SMSC_FDC37M81X_DID); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE, - SMSC_FDC37M81X_DREV); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE, - SMSC_FDC37M81X_PCNT); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE, - SMSC_FDC37M81X_PMGT); - - printk("%s: keyboard\n", fname); - smsc_dc37m81x_wr(SMSC_FDC37M81X_DNUM, SMSC_FDC37M81X_KBD); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD, - SMSC_FDC37M81X_ACTIVE); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD, - SMSC_FDC37M81X_INT); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD, - SMSC_FDC37M81X_INT2); - smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD, - SMSC_FDC37M81X_LDCR_F0); - - smsc_dc37m81x_wr(SMSC_FDC37M81X_DNUM, orig); - - smsc_fdc37m81x_config_end(); -} -#endif |