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Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +09001/*
2 * Marubun MR-SHPC-01 PCMCIA controller device driver
3 *
4 * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
5 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02006 * SPDX-License-Identifier: GPL-2.0+
Wolfgang Denk61fb15c52007-12-27 01:52:50 +01007 */
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +09008
9#include <common.h>
10#include <config.h>
11#include <pcmcia.h>
12#include <asm/io.h>
13
Nobuhiro Iwamatsuf91d7ae2008-01-15 17:48:13 +090014#undef CONFIG_PCMCIA
15
16#if defined(CONFIG_CMD_PCMCIA)
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090017#define CONFIG_PCMCIA
18#endif
19
Simon Glassfc843a02017-05-17 03:25:30 -060020#if defined(CONFIG_IDE)
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090021#define CONFIG_PCMCIA
22#endif
23
Jean-Christophe PLAGNIOL-VILLARDc9eff322008-05-18 19:09:50 +020024#if defined(CONFIG_PCMCIA)
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090025
26/* MR-SHPC-01 register */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020027#define MRSHPC_MODE (CONFIG_SYS_MARUBUN_MRSHPC + 4)
28#define MRSHPC_OPTION (CONFIG_SYS_MARUBUN_MRSHPC + 6)
29#define MRSHPC_CSR (CONFIG_SYS_MARUBUN_MRSHPC + 8)
30#define MRSHPC_ISR (CONFIG_SYS_MARUBUN_MRSHPC + 10)
31#define MRSHPC_ICR (CONFIG_SYS_MARUBUN_MRSHPC + 12)
32#define MRSHPC_CPWCR (CONFIG_SYS_MARUBUN_MRSHPC + 14)
33#define MRSHPC_MW0CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 16)
34#define MRSHPC_MW1CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 18)
35#define MRSHPC_IOWCR1 (CONFIG_SYS_MARUBUN_MRSHPC + 20)
36#define MRSHPC_MW0CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 22)
37#define MRSHPC_MW1CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 24)
38#define MRSHPC_IOWCR2 (CONFIG_SYS_MARUBUN_MRSHPC + 26)
39#define MRSHPC_CDCR (CONFIG_SYS_MARUBUN_MRSHPC + 28)
40#define MRSHPC_PCIC_INFO (CONFIG_SYS_MARUBUN_MRSHPC + 30)
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090041
42int pcmcia_on (void)
43{
44 printf("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");
45
46 /* Init */
47 outw( 0x0000 , MRSHPC_MODE );
48
49 if ((inw(MRSHPC_CSR) & 0x000c) == 0){ /* if card detect is true */
50 if ((inw(MRSHPC_CSR) & 0x0080) == 0){
51 outw(0x0674 ,MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
52 }else{
53 outw(0x0678 ,MRSHPC_CPWCR); /* Card Vcc is 5V */
54 }
55 udelay( 100000 ); /* wait for power on */
56 }else{
57 return 1;
58 }
59 /*
60 * PC-Card window open
61 * flag == COMMON/ATTRIBUTE/IO
62 */
63 /* common window open */
64 outw(0x8a84,MRSHPC_MW0CR1); /* window 0xb8400000 */
65 if ((inw(MRSHPC_CSR) & 0x4000) != 0)
66 outw(0x0b00,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 1 */
67 else
68 outw(0x0300,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 0 */
Wolfgang Denk61fb15c52007-12-27 01:52:50 +010069
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090070 /* attribute window open */
71 outw(0x8a85,MRSHPC_MW1CR1); /* window 0xb8500000 */
72 if ((inw(MRSHPC_CSR) & 0x4000) != 0)
73 outw(0x0a00,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 1 */
74 else
75 outw(0x0200,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 0 */
Wolfgang Denk61fb15c52007-12-27 01:52:50 +010076
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090077 /* I/O window open */
78 outw(0x8a86,MRSHPC_IOWCR1); /* I/O window 0xb8600000 */
79 outw(0x0008,MRSHPC_CDCR); /* I/O card mode */
80 if ((inw(MRSHPC_CSR) & 0x4000) != 0)
81 outw(0x0a00,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1 */
82 else
83 outw(0x0200,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0 */
Wolfgang Denk61fb15c52007-12-27 01:52:50 +010084
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090085 outw(0x0000,MRSHPC_ISR);
86 outw(0x2000,MRSHPC_ICR);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020087 outb(0x00,(CONFIG_SYS_MARUBUN_MW2 + 0x206));
88 outb(0x42,(CONFIG_SYS_MARUBUN_MW2 + 0x200));
Nobuhiro Iwamatsu33ecdc22007-11-25 02:39:31 +090089
90 return 0;
91}
92
93int pcmcia_off (void)
94{
95 printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n");
96
97 return 0;
98}
99
Jean-Christophe PLAGNIOL-VILLARDc9eff322008-05-18 19:09:50 +0200100#endif /* CONFIG_PCMCIA */