diff options
| author | Jon Loeliger <jdl@freescale.com> | 2006-08-09 13:36:54 -0500 |
|---|---|---|
| committer | Jon Loeliger <jdl@freescale.com> | 2006-08-09 13:36:54 -0500 |
| commit | 281f69ede28cd3d8be5d62a96b5a0b73e6065858 (patch) | |
| tree | 8f1a0f42ce7d9c66d0ff2ecf93c9b069cbc68cc0 /board/fads/pcmcia.c | |
| parent | 870cbeaa45ccdbd6566882741da9f82433bd4a86 (diff) | |
| parent | 6587f7e1e98bfcb7910a47bae2eb51e9a5fbd4da (diff) | |
Merge branch 'wd'
Diffstat (limited to 'board/fads/pcmcia.c')
| -rw-r--r-- | board/fads/pcmcia.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/board/fads/pcmcia.c b/board/fads/pcmcia.c new file mode 100644 index 0000000..978c16b --- /dev/null +++ b/board/fads/pcmcia.c @@ -0,0 +1,84 @@ +#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 + +#ifdef CONFIG_PCMCIA + +#ifdef CONFIG_ADS +#define PCMCIA_BOARD_MSG "ADS" +#else +#define PCMCIA_BOARD_MSG "FADS" +#endif + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + u_long reg = 0; + + switch(vpp) { + case 0: reg = 0; break; + case 50: reg = 1; break; + case 120: reg = 2; break; + default: return 1; + } + + switch(vcc) { + case 0: reg = 0; break; +#ifdef CONFIG_ADS + case 50: reg = BCSR1_PCCVCCON; break; +#endif +#ifdef CONFIG_FADS + case 33: reg = BCSR1_PCCVCC0 | BCSR1_PCCVCC1; break; + case 50: reg = BCSR1_PCCVCC1; break; +#endif + default: return 1; + } + + /* first, turn off all power */ + +#ifdef CONFIG_ADS + *((uint *)BCSR1) |= BCSR1_PCCVCCON; +#endif +#ifdef CONFIG_FADS + *((uint *)BCSR1) &= ~(BCSR1_PCCVCC0 | BCSR1_PCCVCC1); +#endif + *((uint *)BCSR1) &= ~BCSR1_PCCVPP_MASK; + + /* enable new powersettings */ + +#ifdef CONFIG_ADS + *((uint *)BCSR1) &= ~reg; +#endif +#ifdef CONFIG_FADS + *((uint *)BCSR1) |= reg; +#endif + + *((uint *)BCSR1) |= reg << 20; + + return 0; +} + +int pcmcia_hardware_enable(int slot) +{ + *((uint *)BCSR1) &= ~BCSR1_PCCEN; + return 0; +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + *((uint *)BCSR1) &= ~BCSR1_PCCEN; + return 0; +} +#endif /* CFG_CMD_PCMCIA */ + +#endif /* CONFIG_PCMCIA */ |