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Diffstat (limited to 'arch/i386/cpu/sc520/sc520_ssi.c')
-rw-r--r--arch/i386/cpu/sc520/sc520_ssi.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/arch/i386/cpu/sc520/sc520_ssi.c b/arch/i386/cpu/sc520/sc520_ssi.c
index 8dbe17aa60..6e5e346303 100644
--- a/arch/i386/cpu/sc520/sc520_ssi.c
+++ b/arch/i386/cpu/sc520/sc520_ssi.c
@@ -24,6 +24,7 @@
/* stuff specific for the sc520, but independent of implementation */
#include <common.h>
+#include <asm/io.h>
#include <asm/ic/ssi.h>
#include <asm/ic/sc520.h>
@@ -61,34 +62,34 @@ int ssi_set_interface(int freq, int lsb_first, int inv_clock, int inv_phase)
temp |= PHS_INV_ENB;
}
- sc520_mmcr->ssictl = temp;
+ writeb(temp, &sc520_mmcr->ssictl);
return 0;
}
u8 ssi_txrx_byte(u8 data)
{
- sc520_mmcr->ssixmit = data;
- while (sc520_mmcr->ssista & SSISTA_BSY);
- sc520_mmcr->ssicmd = SSICMD_CMD_SEL_XMITRCV;
- while (sc520_mmcr->ssista & SSISTA_BSY);
+ writeb(data, &sc520_mmcr->ssixmit);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ writeb(SSICMD_CMD_SEL_XMITRCV, &sc520_mmcr->ssicmd);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
- return sc520_mmcr->ssircv;
+ return readb(&sc520_mmcr->ssircv);
}
void ssi_tx_byte(u8 data)
{
- sc520_mmcr->ssixmit = data;
- while (sc520_mmcr->ssista & SSISTA_BSY);
- sc520_mmcr->ssicmd = SSICMD_CMD_SEL_XMIT;
+ writeb(data, &sc520_mmcr->ssixmit);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ writeb(SSICMD_CMD_SEL_XMIT, &sc520_mmcr->ssicmd);
}
u8 ssi_rx_byte(void)
{
- while (sc520_mmcr->ssista & SSISTA_BSY);
- sc520_mmcr->ssicmd = SSICMD_CMD_SEL_RCV;
- while (sc520_mmcr->ssista & SSISTA_BSY);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ writeb(SSICMD_CMD_SEL_RCV, &sc520_mmcr->ssicmd);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
- return sc520_mmcr->ssircv;
+ return readb(&sc520_mmcr->ssircv);
}
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