1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Marubun MR-SHPC-01 PCMCIA controller device driver
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <common.h>
10*4882a593Smuzhiyun #include <config.h>
11*4882a593Smuzhiyun #include <pcmcia.h>
12*4882a593Smuzhiyun #include <asm/io.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #undef CONFIG_PCMCIA
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #if defined(CONFIG_CMD_PCMCIA)
17*4882a593Smuzhiyun #define CONFIG_PCMCIA
18*4882a593Smuzhiyun #endif
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #if defined(CONFIG_IDE)
21*4882a593Smuzhiyun #define CONFIG_PCMCIA
22*4882a593Smuzhiyun #endif
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #if defined(CONFIG_PCMCIA)
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /* MR-SHPC-01 register */
27*4882a593Smuzhiyun #define MRSHPC_MODE (CONFIG_SYS_MARUBUN_MRSHPC + 4)
28*4882a593Smuzhiyun #define MRSHPC_OPTION (CONFIG_SYS_MARUBUN_MRSHPC + 6)
29*4882a593Smuzhiyun #define MRSHPC_CSR (CONFIG_SYS_MARUBUN_MRSHPC + 8)
30*4882a593Smuzhiyun #define MRSHPC_ISR (CONFIG_SYS_MARUBUN_MRSHPC + 10)
31*4882a593Smuzhiyun #define MRSHPC_ICR (CONFIG_SYS_MARUBUN_MRSHPC + 12)
32*4882a593Smuzhiyun #define MRSHPC_CPWCR (CONFIG_SYS_MARUBUN_MRSHPC + 14)
33*4882a593Smuzhiyun #define MRSHPC_MW0CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 16)
34*4882a593Smuzhiyun #define MRSHPC_MW1CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 18)
35*4882a593Smuzhiyun #define MRSHPC_IOWCR1 (CONFIG_SYS_MARUBUN_MRSHPC + 20)
36*4882a593Smuzhiyun #define MRSHPC_MW0CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 22)
37*4882a593Smuzhiyun #define MRSHPC_MW1CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 24)
38*4882a593Smuzhiyun #define MRSHPC_IOWCR2 (CONFIG_SYS_MARUBUN_MRSHPC + 26)
39*4882a593Smuzhiyun #define MRSHPC_CDCR (CONFIG_SYS_MARUBUN_MRSHPC + 28)
40*4882a593Smuzhiyun #define MRSHPC_PCIC_INFO (CONFIG_SYS_MARUBUN_MRSHPC + 30)
41*4882a593Smuzhiyun
pcmcia_on(void)42*4882a593Smuzhiyun int pcmcia_on (void)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun printf("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun /* Init */
47*4882a593Smuzhiyun outw( 0x0000 , MRSHPC_MODE );
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun if ((inw(MRSHPC_CSR) & 0x000c) == 0){ /* if card detect is true */
50*4882a593Smuzhiyun if ((inw(MRSHPC_CSR) & 0x0080) == 0){
51*4882a593Smuzhiyun outw(0x0674 ,MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
52*4882a593Smuzhiyun }else{
53*4882a593Smuzhiyun outw(0x0678 ,MRSHPC_CPWCR); /* Card Vcc is 5V */
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun udelay( 100000 ); /* wait for power on */
56*4882a593Smuzhiyun }else{
57*4882a593Smuzhiyun return 1;
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun /*
60*4882a593Smuzhiyun * PC-Card window open
61*4882a593Smuzhiyun * flag == COMMON/ATTRIBUTE/IO
62*4882a593Smuzhiyun */
63*4882a593Smuzhiyun /* common window open */
64*4882a593Smuzhiyun outw(0x8a84,MRSHPC_MW0CR1); /* window 0xb8400000 */
65*4882a593Smuzhiyun if ((inw(MRSHPC_CSR) & 0x4000) != 0)
66*4882a593Smuzhiyun outw(0x0b00,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 1 */
67*4882a593Smuzhiyun else
68*4882a593Smuzhiyun outw(0x0300,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 0 */
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun /* attribute window open */
71*4882a593Smuzhiyun outw(0x8a85,MRSHPC_MW1CR1); /* window 0xb8500000 */
72*4882a593Smuzhiyun if ((inw(MRSHPC_CSR) & 0x4000) != 0)
73*4882a593Smuzhiyun outw(0x0a00,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 1 */
74*4882a593Smuzhiyun else
75*4882a593Smuzhiyun outw(0x0200,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 0 */
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun /* I/O window open */
78*4882a593Smuzhiyun outw(0x8a86,MRSHPC_IOWCR1); /* I/O window 0xb8600000 */
79*4882a593Smuzhiyun outw(0x0008,MRSHPC_CDCR); /* I/O card mode */
80*4882a593Smuzhiyun if ((inw(MRSHPC_CSR) & 0x4000) != 0)
81*4882a593Smuzhiyun outw(0x0a00,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1 */
82*4882a593Smuzhiyun else
83*4882a593Smuzhiyun outw(0x0200,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0 */
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun outw(0x0000,MRSHPC_ISR);
86*4882a593Smuzhiyun outw(0x2000,MRSHPC_ICR);
87*4882a593Smuzhiyun outb(0x00,(CONFIG_SYS_MARUBUN_MW2 + 0x206));
88*4882a593Smuzhiyun outb(0x42,(CONFIG_SYS_MARUBUN_MW2 + 0x200));
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun return 0;
91*4882a593Smuzhiyun }
92*4882a593Smuzhiyun
pcmcia_off(void)93*4882a593Smuzhiyun int pcmcia_off (void)
94*4882a593Smuzhiyun {
95*4882a593Smuzhiyun printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n");
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun return 0;
98*4882a593Smuzhiyun }
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun #endif /* CONFIG_PCMCIA */
101