URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [pcmcia/] [sa1100_jornada720.c] - Blame information for rev 1774

Go to most recent revision | Details | Compare with Previous | View Log


/*
 * drivers/pcmcia/sa1100_jornada720.c
 *
 * Jornada720 PCMCIA specific routines
 *
 */
#include <linux/kernel.h>
#include <linux/sched.h>
 
#include <asm/hardware.h>
 
#include "sa1100_generic.h"
#include "sa1111_generic.h"
 
#define SOCKET0_POWER   GPIO_GPIO0
#define SOCKET0_3V      GPIO_GPIO2
#define SOCKET1_POWER   (GPIO_GPIO1 | GPIO_GPIO3)
#warning *** Does SOCKET1_3V actually do anything?
#define SOCKET1_3V      GPIO_GPIO3
 
static int jornada720_pcmcia_init(struct pcmcia_init *init)
{
  /*
   * What is all this crap for?
   */
  GRER |= 0x00000002;
  /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */
  PA_DDR = 0;
  PA_DWR = 0;
  PA_SDR = 0;
  PA_SSR = 0;
 
  PB_DDR = 0;
  PB_DWR = 0x01;
  PB_SDR = 0;
  PB_SSR = 0;
 
  PC_DDR = 0x88;
  PC_DWR = 0x20;
  PC_SDR = 0;
  PC_SSR = 0;
 
  return sa1111_pcmcia_init(init);
}
 
static int
jornada720_pcmcia_configure_socket(const struct pcmcia_configure *conf)
{
  unsigned int pa_dwr_mask, pa_dwr_set;
  int ret;
 
printk("%s(): config socket %d vcc %d vpp %d\n", __FUNCTION__,
               conf->sock, conf->vcc, conf->vpp);
 
  switch (conf->sock) {
  case 0:
    pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V;
 
    switch (conf->vcc) {
    default:
    case 0:      pa_dwr_set = 0;                                  break;
    case 33:    pa_dwr_set = SOCKET0_POWER | SOCKET0_3V;        break;
    case 50:    pa_dwr_set = SOCKET0_POWER;                     break;
    }
    break;
 
  case 1:
    pa_dwr_mask = SOCKET1_POWER;
 
    switch (conf->vcc) {
    default:
    case 0:      pa_dwr_set = 0;                                  break;
    case 33:    pa_dwr_set = SOCKET1_POWER;                     break;
    case 50:    pa_dwr_set = SOCKET1_POWER;                     break;
    }
    break;
  }
 
  if (conf->vpp != conf->vcc && conf->vpp != 0) {
    printk(KERN_ERR "%s(): slot cannot support VPP %u\n",
           __FUNCTION__, conf->vpp);
    return -1;
  }
 
  ret = sa1111_pcmcia_configure_socket(conf);
  if (ret == 0) {
    unsigned long flags;
 
    local_irq_save(flags);
    PA_DWR = (PA_DWR & ~pa_dwr_mask) | pa_dwr_set;
    locla_irq_restore(flags);
  }
 
  return ret;
}
 
struct pcmcia_low_level jornada720_pcmcia_ops = {
  init:                 jornada720_pcmcia_init,
  shutdown:             sa1111_pcmcia_shutdown,
  socket_state:         sa1111_pcmcia_socket_state,
  get_irq_info:         sa1111_pcmcia_get_irq_info,
  configure_socket:     jornada720_pcmcia_configure_socket,
 
  socket_init:          sa1111_pcmcia_socket_init,
  socket_suspend:       sa1111_pcmcia_socket_suspend,
};
 

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`* drivers/pcmcia/sa1100_jornada720.c`
3			`*`
4			`* Jornada720 PCMCIA specific routines`
5			`*`
6			`*/`
7			`#include <linux/kernel.h>`
8			`#include <linux/sched.h>`
9
10			`#include <asm/hardware.h>`
11
12			`#include "sa1100_generic.h"`
13			`#include "sa1111_generic.h"`
14
15			`#define SOCKET0_POWER GPIO_GPIO0`
16			`#define SOCKET0_3V GPIO_GPIO2`
17			`#define SOCKET1_POWER (GPIO_GPIO1 \| GPIO_GPIO3)`
18			`#warning *** Does SOCKET1_3V actually do anything?`
19			`#define SOCKET1_3V GPIO_GPIO3`
20
21			`static int jornada720_pcmcia_init(struct pcmcia_init *init)`
22			`{`
23			`/*`
24			`* What is all this crap for?`
25			`*/`
26			`GRER \|= 0x00000002;`
27			`/* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */`
28			`PA_DDR = 0;`
29			`PA_DWR = 0;`
30			`PA_SDR = 0;`
31			`PA_SSR = 0;`
32
33			`PB_DDR = 0;`
34			`PB_DWR = 0x01;`
35			`PB_SDR = 0;`
36			`PB_SSR = 0;`
37
38			`PC_DDR = 0x88;`
39			`PC_DWR = 0x20;`
40			`PC_SDR = 0;`
41			`PC_SSR = 0;`
42
43			`return sa1111_pcmcia_init(init);`
44			`}`
45
46			`static int`
47			`jornada720_pcmcia_configure_socket(const struct pcmcia_configure *conf)`
48			`{`
49			`unsigned int pa_dwr_mask, pa_dwr_set;`
50			`int ret;`
51
52			`printk("%s(): config socket %d vcc %d vpp %d\n", __FUNCTION__,`
53			`conf->sock, conf->vcc, conf->vpp);`
54
55			`switch (conf->sock) {`
56			`case 0:`
57			`pa_dwr_mask = SOCKET0_POWER \| SOCKET0_3V;`
58
59			`switch (conf->vcc) {`
60			`default:`
61			`case 0: pa_dwr_set = 0; break;`
62			`case 33: pa_dwr_set = SOCKET0_POWER \| SOCKET0_3V; break;`
63			`case 50: pa_dwr_set = SOCKET0_POWER; break;`
64			`}`
65			`break;`
66
67			`case 1:`
68			`pa_dwr_mask = SOCKET1_POWER;`
69
70			`switch (conf->vcc) {`
71			`default:`
72			`case 0: pa_dwr_set = 0; break;`
73			`case 33: pa_dwr_set = SOCKET1_POWER; break;`
74			`case 50: pa_dwr_set = SOCKET1_POWER; break;`
75			`}`
76			`break;`
77			`}`
78
79			`if (conf->vpp != conf->vcc && conf->vpp != 0) {`
80			`printk(KERN_ERR "%s(): slot cannot support VPP %u\n",`
81			`__FUNCTION__, conf->vpp);`
82			`return -1;`
83			`}`
84
85			`ret = sa1111_pcmcia_configure_socket(conf);`
86			`if (ret == 0) {`
87			`unsigned long flags;`
88
89			`local_irq_save(flags);`
90			`PA_DWR = (PA_DWR & ~pa_dwr_mask) \| pa_dwr_set;`
91			`locla_irq_restore(flags);`
92			`}`
93
94			`return ret;`
95			`}`
96
97			`struct pcmcia_low_level jornada720_pcmcia_ops = {`
98			`init: jornada720_pcmcia_init,`
99			`shutdown: sa1111_pcmcia_shutdown,`
100			`socket_state: sa1111_pcmcia_socket_state,`
101			`get_irq_info: sa1111_pcmcia_get_irq_info,`
102			`configure_socket: jornada720_pcmcia_configure_socket,`
103
104			`socket_init: sa1111_pcmcia_socket_init,`
105			`socket_suspend: sa1111_pcmcia_socket_suspend,`
106			`};`
107

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [pcmcia/] [sa1100_jornada720.c] - Blame information for rev 1774