sh: reset hardware from early printk
Reset the transmitter and receiver when setting up early printk. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -167,6 +167,7 @@ static void scif_sercon_init(char *s)
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} while (!(status & SCxSR_TEND(port)));
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} while (!(status & SCxSR_TEND(port)));
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sci_out(port, SCSCR, 0); /* TE=0, RE=0 */
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sci_out(port, SCSCR, 0); /* TE=0, RE=0 */
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sci_out(port, SCFCR, SCFCR_RFRST | SCFCR_TFRST);
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sci_out(port, SCSMR, 0);
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sci_out(port, SCSMR, 0);
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/* Set baud rate */
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/* Set baud rate */
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@ -174,12 +175,11 @@ static void scif_sercon_init(char *s)
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(32 * baud) - 1);
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(32 * baud) - 1);
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udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */
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udelay((1000000+(baud-1)) / baud); /* Wait one bit interval */
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sci_out(port, SCFCR, 12);
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sci_out(port, SCFCR, 8);
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sci_out(port, SCSPTR, 0);
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sci_out(port, SCSPTR, 0);
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sci_out(port, SCxSR, 0x60);
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sci_out(port, SCxSR, 0x60);
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sci_out(port, SCLSR, 0);
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sci_out(port, SCLSR, 0);
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sci_out(port, SCFCR, 0);
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sci_out(port, SCSCR, 0x30); /* TE=1, RE=1 */
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sci_out(port, SCSCR, 0x30); /* TE=1, RE=1 */
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}
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}
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#endif /* defined(CONFIG_CPU_SUBTYPE_SH7720) */
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#endif /* defined(CONFIG_CPU_SUBTYPE_SH7720) */
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