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-rw-r--r--arch/powerpc/platforms/powermac/udbg_scc.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powermac/udbg_scc.c b/arch/powerpc/platforms/powermac/udbg_scc.c
index ce1a235855..379db05b00 100644
--- a/arch/powerpc/platforms/powermac/udbg_scc.c
+++ b/arch/powerpc/platforms/powermac/udbg_scc.c
@@ -111,8 +111,6 @@ void udbg_scc_init(int force_scc)
111 pmac_call_feature(PMAC_FTR_SCC_ENABLE, ch, 111 pmac_call_feature(PMAC_FTR_SCC_ENABLE, ch,
112 PMAC_SCC_ASYNC | PMAC_SCC_FLAG_XMON, 1); 112 PMAC_SCC_ASYNC | PMAC_SCC_FLAG_XMON, 1);
113 113
114
115 /* Setup for 57600 8N1 */
116 if (ch == ch_a) 114 if (ch == ch_a)
117 addr += 0x20; 115 addr += 0x20;
118 sccc = ioremap(addr & PAGE_MASK, PAGE_SIZE) ; 116 sccc = ioremap(addr & PAGE_MASK, PAGE_SIZE) ;
@@ -125,9 +123,21 @@ void udbg_scc_init(int force_scc)
125 x = in_8(sccc); 123 x = in_8(sccc);
126 out_8(sccc, 0x09); /* reset A or B side */ 124 out_8(sccc, 0x09); /* reset A or B side */
127 out_8(sccc, 0xc0); 125 out_8(sccc, 0xc0);
126
127 /* If SCC was the OF output port, read the BRG value, else
128 * Setup for 57600 8N1
129 */
130 if (ch_def != NULL) {
131 out_8(sccc, 13);
132 scc_inittab[1] = in_8(sccc);
133 out_8(sccc, 12);
134 scc_inittab[3] = in_8(sccc);
135 }
136
128 for (i = 0; i < sizeof(scc_inittab); ++i) 137 for (i = 0; i < sizeof(scc_inittab); ++i)
129 out_8(sccc, scc_inittab[i]); 138 out_8(sccc, scc_inittab[i]);
130 139
140
131 udbg_putc = udbg_scc_putc; 141 udbg_putc = udbg_scc_putc;
132 udbg_getc = udbg_scc_getc; 142 udbg_getc = udbg_scc_getc;
133 udbg_getc_poll = udbg_scc_getc_poll; 143 udbg_getc_poll = udbg_scc_getc_poll;