1 // SPDX-License-Identifier: GPL-2.0+
3 * Marubun MR-SHPC-01 PCMCIA controller device driver
5 * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
15 #if defined(CONFIG_CMD_PCMCIA)
19 #if defined(CONFIG_IDE)
23 #if defined(CONFIG_PCMCIA)
25 /* MR-SHPC-01 register */
26 #define MRSHPC_MODE (CONFIG_SYS_MARUBUN_MRSHPC + 4)
27 #define MRSHPC_OPTION (CONFIG_SYS_MARUBUN_MRSHPC + 6)
28 #define MRSHPC_CSR (CONFIG_SYS_MARUBUN_MRSHPC + 8)
29 #define MRSHPC_ISR (CONFIG_SYS_MARUBUN_MRSHPC + 10)
30 #define MRSHPC_ICR (CONFIG_SYS_MARUBUN_MRSHPC + 12)
31 #define MRSHPC_CPWCR (CONFIG_SYS_MARUBUN_MRSHPC + 14)
32 #define MRSHPC_MW0CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 16)
33 #define MRSHPC_MW1CR1 (CONFIG_SYS_MARUBUN_MRSHPC + 18)
34 #define MRSHPC_IOWCR1 (CONFIG_SYS_MARUBUN_MRSHPC + 20)
35 #define MRSHPC_MW0CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 22)
36 #define MRSHPC_MW1CR2 (CONFIG_SYS_MARUBUN_MRSHPC + 24)
37 #define MRSHPC_IOWCR2 (CONFIG_SYS_MARUBUN_MRSHPC + 26)
38 #define MRSHPC_CDCR (CONFIG_SYS_MARUBUN_MRSHPC + 28)
39 #define MRSHPC_PCIC_INFO (CONFIG_SYS_MARUBUN_MRSHPC + 30)
43 printf("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");
46 outw( 0x0000 , MRSHPC_MODE );
48 if ((inw(MRSHPC_CSR) & 0x000c) == 0){ /* if card detect is true */
49 if ((inw(MRSHPC_CSR) & 0x0080) == 0){
50 outw(0x0674 ,MRSHPC_CPWCR); /* Card Vcc is 3.3v? */
52 outw(0x0678 ,MRSHPC_CPWCR); /* Card Vcc is 5V */
54 udelay( 100000 ); /* wait for power on */
60 * flag == COMMON/ATTRIBUTE/IO
62 /* common window open */
63 outw(0x8a84,MRSHPC_MW0CR1); /* window 0xb8400000 */
64 if ((inw(MRSHPC_CSR) & 0x4000) != 0)
65 outw(0x0b00,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 1 */
67 outw(0x0300,MRSHPC_MW0CR2); /* common mode & bus width 16bit SWAP = 0 */
69 /* attribute window open */
70 outw(0x8a85,MRSHPC_MW1CR1); /* window 0xb8500000 */
71 if ((inw(MRSHPC_CSR) & 0x4000) != 0)
72 outw(0x0a00,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 1 */
74 outw(0x0200,MRSHPC_MW1CR2); /* attribute mode & bus width 16bit SWAP = 0 */
77 outw(0x8a86,MRSHPC_IOWCR1); /* I/O window 0xb8600000 */
78 outw(0x0008,MRSHPC_CDCR); /* I/O card mode */
79 if ((inw(MRSHPC_CSR) & 0x4000) != 0)
80 outw(0x0a00,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1 */
82 outw(0x0200,MRSHPC_IOWCR2); /* bus width 16bit SWAP = 0 */
84 outw(0x0000,MRSHPC_ISR);
85 outw(0x2000,MRSHPC_ICR);
86 outb(0x00,(CONFIG_SYS_MARUBUN_MW2 + 0x206));
87 outb(0x42,(CONFIG_SYS_MARUBUN_MW2 + 0x200));
94 printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n");
99 #endif /* CONFIG_PCMCIA */