2 * drivers/pcmcia/sa1100_adsbitsy.c
4 * PCMCIA implementation routines for ADS Bitsy
7 * Fixed wrong PCMCIA voltage setting
9 * 7/5/01 Woojung Huh <whuh@applieddata.net>
12 #include <linux/kernel.h>
13 #include <linux/sched.h>
15 #include <asm/hardware.h>
17 #include "sa1100_generic.h"
18 #include "sa1111_generic.h"
20 static int adsbitsy_pcmcia_init(struct pcmcia_init *init)
22 /* Set GPIO_A<3:0> to be outputs for PCMCIA/CF power controller: */
23 PA_DDR &= ~(GPIO_GPIO0 | GPIO_GPIO1 | GPIO_GPIO2 | GPIO_GPIO3);
25 /* Disable Power 3.3V/5V for PCMCIA/CF */
26 PA_DWR |= GPIO_GPIO0 | GPIO_GPIO1 | GPIO_GPIO2 | GPIO_GPIO3;
31 return sa1111_pcmcia_init(init);
35 adsbitsy_pcmcia_configure_socket(const struct pcmcia_configure *conf)
37 unsigned int pa_dwr_mask, pa_dwr_set;
42 pa_dwr_mask = GPIO_GPIO0 | GPIO_GPIO1;
46 case 0: pa_dwr_set = GPIO_GPIO0 | GPIO_GPIO1; break;
47 case 33: pa_dwr_set = GPIO_GPIO1; break;
48 case 50: pa_dwr_set = GPIO_GPIO0; break;
53 pa_dwr_mask = GPIO_GPIO2 | GPIO_GPIO3;
57 case 0: pa_dwr_set = 0; break;
58 case 33: pa_dwr_set = GPIO_GPIO2; break;
59 case 50: pa_dwr_set = GPIO_GPIO3; break;
66 if (conf->vpp != conf->vcc && conf->vpp != 0) {
67 printk(KERN_ERR "%s(): CF slot cannot support VPP %u\n",
68 __FUNCTION__, conf->vpp);
72 ret = sa1111_pcmcia_configure_socket(conf);
76 local_irq_save(flags);
77 PA_DWR = (PA_DWR & ~pa_dwr_mask) | pa_dwr_set;
78 local_irq_restore(flags);
84 struct pcmcia_low_level adsbitsy_pcmcia_ops = {
85 init: adsbitsy_pcmcia_init,
86 shutdown: sa1111_pcmcia_shutdown,
87 socket_state: sa1111_pcmcia_socket_state,
88 get_irq_info: sa1111_pcmcia_get_irq_info,
89 configure_socket: adsbitsy_pcmcia_configure_socket,
91 socket_init: sa1111_pcmcia_socket_init,
92 socket_suspend: sa1111_pcmcia_socket_suspend,