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[src/trunk]: src/sys/arch/evbarm/imx31 Informative comments instead of useles...



details:   https://anonhg.NetBSD.org/src/rev/9359385b6fdb
branches:  trunk
changeset: 748796:9359385b6fdb
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Thu Nov 05 16:28:09 2009 +0000

description:
Informative comments instead of useless blank lines.

diffstat:

 sys/arch/evbarm/imx31/imx31lk_start.S |  15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diffs (51 lines):

diff -r 42196cc8b72e -r 9359385b6fdb sys/arch/evbarm/imx31/imx31lk_start.S
--- a/sys/arch/evbarm/imx31/imx31lk_start.S     Thu Nov 05 16:15:51 2009 +0000
+++ b/sys/arch/evbarm/imx31/imx31lk_start.S     Thu Nov 05 16:28:09 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: imx31lk_start.S,v 1.2 2008/04/27 18:58:46 matt Exp $   */
+/*     $NetBSD: imx31lk_start.S,v 1.3 2009/11/05 16:28:09 uebayasi Exp $       */
 
 #include <machine/asm.h>
 #include <arm/armreg.h>
@@ -22,9 +22,12 @@
 #define SDRAM_START 0x80000000
 #endif
 
-#define IXM31_DCACHE_SIZE 0x4000       /* 16KB L1 */
+#define IMX31_DCACHE_SIZE 0x4000       /* 16KB L1 */
 
-
+/*
+ * L1 == "Level One" == "first-level"
+ * L2 == "Level Two" == "second-level"
+ */
 
        .text
 
@@ -44,7 +47,7 @@
         * Firmware already mapped SDRAM VA == PA. at 0x800..
         * now map SDRAM also at VA 0x800...
         */
-       mrc     p15, 0, r0, c2, c0, 0           /* L1 addr into r0 */
+       mrc     p15, 0, r0, c2, c0, 0           /* L1 table addr into r0 */
        add     r0, r0, #(0x800 * 4)            /* offset to 0x80000000 */
 
        mov     r3, #SDRAM_START                /* map to 0x800.. */
@@ -64,7 +67,7 @@
         * Map an L1 section for each device to make this easy.
         */
        /* UART1 */
-       mrc     p15, 0, r0, c2, c0, 0           /* Get L1 */
+       mrc     p15, 0, r0, c2, c0, 0           /* L1 table addr into r0 */
        add     r0, r0, #(0xfd0 * 4)            /* offset to 0xfd000000 */
 
        mov     r3,     #0x43000000     
@@ -88,7 +91,7 @@
         *
         * XXX: should this take into account the XScale cache clean bug?
         */
-       mov     r3, #(IXM31_DCACHE_SIZE)
+       mov     r3, #(IMX31_DCACHE_SIZE)
        subs    r3, r3, #32
 1:
        mcr     p15, 0, r3, c7, c10, 2



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