diff options
Diffstat (limited to 'arch/mn10300/proc-mn103e010')
-rw-r--r-- | arch/mn10300/proc-mn103e010/Makefile | 5 | ||||
-rw-r--r-- | arch/mn10300/proc-mn103e010/proc-init.c | 75 |
2 files changed, 80 insertions, 0 deletions
diff --git a/arch/mn10300/proc-mn103e010/Makefile b/arch/mn10300/proc-mn103e010/Makefile new file mode 100644 index 000000000000..ac2c9784cd21 --- /dev/null +++ b/arch/mn10300/proc-mn103e010/Makefile | |||
@@ -0,0 +1,5 @@ | |||
1 | # | ||
2 | # Makefile for the MN103E010 processor chip specific code | ||
3 | # | ||
4 | obj-y := proc-init.o | ||
5 | |||
diff --git a/arch/mn10300/proc-mn103e010/proc-init.c b/arch/mn10300/proc-mn103e010/proc-init.c new file mode 100644 index 000000000000..9a482efafa82 --- /dev/null +++ b/arch/mn10300/proc-mn103e010/proc-init.c | |||
@@ -0,0 +1,75 @@ | |||
1 | /* MN103E010 Processor initialisation | ||
2 | * | ||
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | #include <linux/kernel.h> | ||
12 | #include <asm/rtc.h> | ||
13 | |||
14 | /* | ||
15 | * initialise the on-silicon processor peripherals | ||
16 | */ | ||
17 | asmlinkage void __init processor_init(void) | ||
18 | { | ||
19 | int loop; | ||
20 | |||
21 | /* set up the exception table first */ | ||
22 | for (loop = 0x000; loop < 0x400; loop += 8) | ||
23 | __set_intr_stub(loop, __common_exception); | ||
24 | |||
25 | __set_intr_stub(EXCEP_ITLBMISS, itlb_miss); | ||
26 | __set_intr_stub(EXCEP_DTLBMISS, dtlb_miss); | ||
27 | __set_intr_stub(EXCEP_IAERROR, itlb_aerror); | ||
28 | __set_intr_stub(EXCEP_DAERROR, dtlb_aerror); | ||
29 | __set_intr_stub(EXCEP_BUSERROR, raw_bus_error); | ||
30 | __set_intr_stub(EXCEP_DOUBLE_FAULT, double_fault); | ||
31 | __set_intr_stub(EXCEP_SYSCALL0, system_call); | ||
32 | |||
33 | __set_intr_stub(EXCEP_NMI, nmi_handler); | ||
34 | __set_intr_stub(EXCEP_WDT, nmi_handler); | ||
35 | __set_intr_stub(EXCEP_IRQ_LEVEL0, irq_handler); | ||
36 | __set_intr_stub(EXCEP_IRQ_LEVEL1, irq_handler); | ||
37 | __set_intr_stub(EXCEP_IRQ_LEVEL2, irq_handler); | ||
38 | __set_intr_stub(EXCEP_IRQ_LEVEL3, irq_handler); | ||
39 | __set_intr_stub(EXCEP_IRQ_LEVEL4, irq_handler); | ||
40 | __set_intr_stub(EXCEP_IRQ_LEVEL5, irq_handler); | ||
41 | __set_intr_stub(EXCEP_IRQ_LEVEL6, irq_handler); | ||
42 | |||
43 | IVAR0 = EXCEP_IRQ_LEVEL0; | ||
44 | IVAR1 = EXCEP_IRQ_LEVEL1; | ||
45 | IVAR2 = EXCEP_IRQ_LEVEL2; | ||
46 | IVAR3 = EXCEP_IRQ_LEVEL3; | ||
47 | IVAR4 = EXCEP_IRQ_LEVEL4; | ||
48 | IVAR5 = EXCEP_IRQ_LEVEL5; | ||
49 | IVAR6 = EXCEP_IRQ_LEVEL6; | ||
50 | |||
51 | mn10300_dcache_flush_inv(); | ||
52 | mn10300_icache_inv(); | ||
53 | |||
54 | /* disable all interrupts and set to priority 6 (lowest) */ | ||
55 | for (loop = 0; loop < NR_IRQS; loop++) | ||
56 | GxICR(loop) = GxICR_LEVEL_6 | GxICR_DETECT; | ||
57 | |||
58 | /* clear the timers */ | ||
59 | TM0MD = 0; | ||
60 | TM1MD = 0; | ||
61 | TM2MD = 0; | ||
62 | TM3MD = 0; | ||
63 | TM4MD = 0; | ||
64 | TM5MD = 0; | ||
65 | TM6MD = 0; | ||
66 | TM6MDA = 0; | ||
67 | TM6MDB = 0; | ||
68 | TM7MD = 0; | ||
69 | TM8MD = 0; | ||
70 | TM9MD = 0; | ||
71 | TM10MD = 0; | ||
72 | TM11MD = 0; | ||
73 | |||
74 | calibrate_clock(); | ||
75 | } | ||