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-rw-r--r--arch/powerpc/platforms/iseries/exception.S25
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 5369653dcf6a..fba5bf915073 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -43,17 +43,14 @@ system_reset_iSeries:
43 LOAD_REG_ADDR(r23, alpaca) 43 LOAD_REG_ADDR(r23, alpaca)
44 li r0,ALPACA_SIZE 44 li r0,ALPACA_SIZE
45 sub r23,r13,r23 45 sub r23,r13,r23
46 divdu r23,r23,r0 /* r23 has cpu number */ 46 divdu r24,r23,r0 /* r24 has cpu number */
47 LOAD_REG_ADDR(r13, paca)
48 mulli r0,r23,PACA_SIZE
49 add r13,r13,r0
50 mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
51 mfmsr r24
52 ori r24,r24,MSR_RI
53 mtmsrd r24 /* RI on */
54 mr r24,r23
55 cmpwi 0,r24,0 /* Are we processor 0? */ 47 cmpwi 0,r24,0 /* Are we processor 0? */
56 bne 1f 48 bne 1f
49 LOAD_REG_ADDR(r13, boot_paca)
50 mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
51 mfmsr r23
52 ori r23,r23,MSR_RI
53 mtmsrd r23 /* RI on */
57 b .__start_initialization_iSeries /* Start up the first processor */ 54 b .__start_initialization_iSeries /* Start up the first processor */
581: mfspr r4,SPRN_CTRLF 551: mfspr r4,SPRN_CTRLF
59 li r5,CTRL_RUNLATCH /* Turn off the run light */ 56 li r5,CTRL_RUNLATCH /* Turn off the run light */
@@ -86,6 +83,16 @@ system_reset_iSeries:
86#endif 83#endif
87 84
882: 852:
86 /* Load our paca now that it's been allocated */
87 LOAD_REG_ADDR(r13, paca)
88 ld r13,0(r13)
89 mulli r0,r24,PACA_SIZE
90 add r13,r13,r0
91 mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
92 mfmsr r23
93 ori r23,r23,MSR_RI
94 mtmsrd r23 /* RI on */
95
89 HMT_LOW 96 HMT_LOW
90#ifdef CONFIG_SMP 97#ifdef CONFIG_SMP
91 lbz r23,PACAPROCSTART(r13) /* Test if this processor 98 lbz r23,PACAPROCSTART(r13) /* Test if this processor