FreeCalypso > hg > freecalypso-sw

annotate target-utils/compalstage/compalstage.S @ 487:f612f9c3fe77

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gsm-fw/gpf/conf: GSM and GPRS stack configurations imported from Leonardo
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 29 Jun 2014 20:13:43 +0000
parents 48c08499cede
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
314
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 .text
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 .org 0
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 #if THUMB_ENTRY
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 .code 16
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 bx pc
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 nop
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 #endif
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 .code 32
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 /* delay loop like OsmocomBB does */
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 mov r1, #0xa0000
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13 1: subs r1, r1, #1
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 bne 1b
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 /* enable the Calypso boot ROM */
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 ldr r1, reg_addr
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17 mov r2, #0x0100
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 strh r2, [r1]
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 /* jump to it! */
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 mov pc, #0
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 reg_addr:
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 .word 0xFFFFFB10
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 #if PAD_TO_1003
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 .org 0x3be0
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 .ascii "1003"
48c08499cede compalstage binaries built
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 #endif