diff options
Diffstat (limited to 'drivers/rpx_pcmcia.c')
| -rw-r--r-- | drivers/rpx_pcmcia.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/rpx_pcmcia.c b/drivers/rpx_pcmcia.c new file mode 100644 index 0000000..01ff1d4 --- /dev/null +++ b/drivers/rpx_pcmcia.c @@ -0,0 +1,71 @@ +/* -------------------------------------------------------------------- */ +/* RPX Boards from Embedded Planet */ +/* -------------------------------------------------------------------- */ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if CONFIG_COMMANDS & CFG_CMD_PCMCIA +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#if defined(CONFIG_PCMCIA) \ + && (defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE)) + +#define PCMCIA_BOARD_MSG "RPX CLASSIC or RPX LITE" + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + u_long reg = 0; + + switch(vcc) { + case 0: break; + case 33: reg |= BCSR1_PCVCTL4; break; + case 50: reg |= BCSR1_PCVCTL5; break; + default: return 1; + } + + switch(vpp) { + case 0: break; + case 33: + case 50: + if(vcc == vpp) + reg |= BCSR1_PCVCTL6; + else + return 1; + break; + case 120: + reg |= BCSR1_PCVCTL7; + default: return 1; + } + + /* first, turn off all power */ + *((uint *)RPX_CSR_ADDR) &= ~(BCSR1_PCVCTL4 | BCSR1_PCVCTL5 + | BCSR1_PCVCTL6 | BCSR1_PCVCTL7); + + /* enable new powersettings */ + *((uint *)RPX_CSR_ADDR) |= reg; + + return 0; +} + +int pcmcia_hardware_enable (int slot) +{ + return 0; /* No hardware to enable */ +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int pcmcia_hardware_disable(int slot) +{ + return 0; /* No hardware to disable */ +} +#endif /* CONFIG_COMMANDS & CFG_CMD_PCMCIA */ + + +#endif /* CONFIG_PCMCIA && (CONFIG_RPXCLASSIC || CONFIG_RPXLITE) */ |