diff options
Diffstat (limited to 'cpu/i386/sc520/sc520_ssi.c')
-rw-r--r-- | cpu/i386/sc520/sc520_ssi.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/cpu/i386/sc520/sc520_ssi.c b/cpu/i386/sc520/sc520_ssi.c index dd667ca..8dbe17a 100644 --- a/cpu/i386/sc520/sc520_ssi.c +++ b/cpu/i386/sc520/sc520_ssi.c @@ -61,32 +61,34 @@ int ssi_set_interface(int freq, int lsb_first, int inv_clock, int inv_phase) temp |= PHS_INV_ENB; } - write_mmcr_byte(SC520_SSICTL, temp); + sc520_mmcr->ssictl = temp; return 0; } u8 ssi_txrx_byte(u8 data) { - write_mmcr_byte(SC520_SSIXMIT, data); - while ((read_mmcr_byte(SC520_SSISTA)) & SSISTA_BSY); - write_mmcr_byte(SC520_SSICMD, SSICMD_CMD_SEL_XMITRCV); - while ((read_mmcr_byte(SC520_SSISTA)) & SSISTA_BSY); - return read_mmcr_byte(SC520_SSIRCV); + sc520_mmcr->ssixmit = data; + while (sc520_mmcr->ssista & SSISTA_BSY); + sc520_mmcr->ssicmd = SSICMD_CMD_SEL_XMITRCV; + while (sc520_mmcr->ssista & SSISTA_BSY); + + return sc520_mmcr->ssircv; } void ssi_tx_byte(u8 data) { - write_mmcr_byte(SC520_SSIXMIT, data); - while ((read_mmcr_byte(SC520_SSISTA)) & SSISTA_BSY); - write_mmcr_byte(SC520_SSICMD, SSICMD_CMD_SEL_XMIT); + sc520_mmcr->ssixmit = data; + while (sc520_mmcr->ssista & SSISTA_BSY); + sc520_mmcr->ssicmd = SSICMD_CMD_SEL_XMIT; } u8 ssi_rx_byte(void) { - while ((read_mmcr_byte(SC520_SSISTA)) & SSISTA_BSY); - write_mmcr_byte(SC520_SSICMD, SSICMD_CMD_SEL_RCV); - while ((read_mmcr_byte(SC520_SSISTA)) & SSISTA_BSY); - return read_mmcr_byte(SC520_SSIRCV); + while (sc520_mmcr->ssista & SSISTA_BSY); + sc520_mmcr->ssicmd = SSICMD_CMD_SEL_RCV; + while (sc520_mmcr->ssista & SSISTA_BSY); + + return sc520_mmcr->ssircv; } |