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SubjectRe: 2.6.18-rc1 fails to boot on Ultra 5
From
From: Mikael Pettersson <mikpe@it.uu.se>
Date: Thu, 13 Jul 2006 14:18:33 +0200 (MEST)

> No actual problems, but I noticed some differences in the
> kernel log:

This should take care of all 4 issues. The typo in the sunsab
driver causing the first port to not show up was good for a
laugh. :)

Let me know if it works for you too.

diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 75684b5..c8e9dc9 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -551,9 +551,10 @@ setup_trap_table:
save %sp, -192, %sp

/* Force interrupts to be disabled. */
- rdpr %pstate, %o1
- andn %o1, PSTATE_IE, %o1
+ rdpr %pstate, %l0
+ andn %l0, PSTATE_IE, %o1
wrpr %o1, 0x0, %pstate
+ rdpr %pil, %l1
wrpr %g0, 15, %pil

/* Make the firmware call to jump over to the Linux trap table. */
@@ -622,11 +623,9 @@ setup_trap_table:
call init_irqwork_curcpu
nop

- /* Now we can turn interrupts back on. */
- rdpr %pstate, %o1
- or %o1, PSTATE_IE, %o1
- wrpr %o1, 0, %pstate
- wrpr %g0, 0x0, %pil
+ /* Now we can restore interrupt state. */
+ wrpr %l0, 0, %pstate
+ wrpr %l1, 0x0, %pil

ret
restore
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index b43de64..094d3e3 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -928,8 +928,6 @@ static void sparc64_start_timers(void)
__asm__ __volatile__("wrpr %0, 0x0, %%pstate"
: /* no outputs */
: "r" (pstate));
-
- local_irq_enable();
}

struct freq_table {
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 0dbd4df..979497f 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -1052,7 +1052,7 @@ static int __devinit sab_probe(struct of
if (err)
return err;

- err = sunsab_init_one(&up[0], op, 0,
+ err = sunsab_init_one(&up[1], op, 0,
(inst * 2) + 1);
if (err) {
of_iounmap(up[0].port.membase,
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 93bdaa3..d3a5aee 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1200,6 +1200,11 @@ static int __init sunsu_kbd_ms_init(stru
if (up->port.type == PORT_UNKNOWN)
return -ENODEV;

+ printk("%s: %s port at %lx, irq %u\n",
+ to_of_device(up->port.dev)->node->full_name,
+ (up->su_type == SU_PORT_KBD) ? "Keyboard" : "Mouse",
+ up->port.mapbase, up->port.irq);
+
#ifdef CONFIG_SERIO
serio = &up->serio;
serio->port_data = up;
-
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