From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import
---
firmware/av7110/Boot.S | 109 ++++++++++++++++++++++++++++++++++++++
firmware/av7110/bootcode.bin.ihex | 15 ++++++
2 files changed, 124 insertions(+)
create mode 100644 firmware/av7110/Boot.S
create mode 100644 firmware/av7110/bootcode.bin.ihex
(limited to 'firmware/av7110')
diff --git a/firmware/av7110/Boot.S b/firmware/av7110/Boot.S
new file mode 100644
index 000000000..d562fdc29
--- /dev/null
+++ b/firmware/av7110/Boot.S
@@ -0,0 +1,109 @@
+/*
+ Boot.S: boot loader for Siemens DVB-S card
+
+ Copyright (C) 2001 Convergence integrated media GmbH
+ Written by Ralph Metzler
+ <rjkm@convergence.de>
+ Copyright (C) 2006 Matthieu CASTET <castet.mattheiu@free.fr>
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+
+*/
+
+/*
+ check AV711x_3_1.pdf for some hardware infos
+ build it with :
+ $ cc -mbig-endian -c Boot.S
+ $ ld -Ttext 0x2c000000 -EB -o Boot Boot.o
+ $ objcopy -Obinary Boot
+*/
+
+ .text
+ .align
+ .globl _start
+_start:
+ b reset // reset vector
+ movs pc, r14 // undefined
+ subs pc, r14, #4 // SWI
+ subs pc, r14, #4 // prefetch abort
+ subs pc, r14, #8 // data abort
+ subs pc, r14, #4 // reserved
+ subs pc, r14, #4 // IRQ
+ subs pc, r14, #4 // FIQ
+
+ .word tbl // table needed by firmware ROM
+tbl: .word (endtbl - tbl)
+ .word 0
+ .word conf
+endtbl: .word 0
+conf: .word 0xa5a55a5a
+ .word 0x001f1555
+ .word 0x00000009
+
+reset: ldr r13, buffer
+ ldr r4, flag
+ mov r0, #0
+ str r0, [r4]
+ str r0, [r4, #4]
+
+ ldr r1, wait_address
+ ldr r2, flag_address
+ ldr r3, sram
+
+copycode: // copy the code HW Sram
+ ldmia r1!, {r5-r12}
+ stmia r3!, {r5-r12}
+ cmp r1, r2
+ ble copycode
+ ldr pc, sram // jump to the copied code
+
+wait: ldrh r1, [r4] // wait for flag!=0
+ cmp r1, #0
+ beq wait
+
+ mov r1, r13 // buffer address
+ ldr r3, [r4,#4] // destaddr
+
+ ldrh r2, [r4,#2] // get segment length
+ add r2, r2, #63 // round length to next 64 bytes
+ movs r2, r2, lsr #6 // and divide by 64
+ moveq r0, #2 // if 0, set flag to 2, else signal
+ strh r0, [r4] // that buffer is accepted by setting to 0
+ beq wait
+
+copyloop:
+ ldmia r1!, {r5-r12}
+ stmia r3!, {r5-r12}
+ ldmia r1!, {r5-r12}
+ stmia r3!, {r5-r12}
+ subs r2, r2, #1
+ bne copyloop
+
+ eor r13, r13, #0x1400 // switch to other buffer
+ b wait
+
+// flag is stored at 0x2c0003f8, length at 0x2c0003fa,
+// destaddr at 0x2c0003fc
+
+flag: .word 0x2c0003f8
+
+
+// buffer 1 is at 0x2c000400, buffer 2 at 0x2c001000
+
+buffer: .word 0x2c000400
+
+sram: .word 0x9e000800
+wait_address: .word wait
+flag_address: .word flag
diff --git a/firmware/av7110/bootcode.bin.ihex b/firmware/av7110/bootcode.bin.ihex
new file mode 100644
index 000000000..26a2993e0
--- /dev/null
+++ b/firmware/av7110/bootcode.bin.ihex
@@ -0,0 +1,15 @@
+:10000000EA00000EE1B0F00EE25EF004E25EF00401
+:10001000E25EF008E25EF004E25EF004E25EF0040C
+:100020002C0000240000000C000000002C00003414
+:1000300000000000A5A55A5A001F15550000000930
+:10004000E59FD07CE59F4074E3A00000E5840000BC
+:10005000E5840004E59F1070E59F2070E59F306403
+:10006000E8B11FE0E8A31FE0E1510002DAFFFFFB67
+:10007000E59FF050E1D410B0E35100000AFFFFFC0F
+:10008000E1A0100DE5943004E1D420B2E282203FDB
+:10009000E1B0232203A00002E1C400B00AFFFFF494
+:1000A000E8B11FE0E8A31FE0E8B11FE0E8A31FE00C
+:1000B000E25220011AFFFFF9E22DDB05EAFFFFEC17
+:1000C0002C0003F82C0004009E0008002C00007493
+:0400D0002C0000C040
+:00000001FF
--
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