From 65ae089853ddd9652103b4052af4b351d66f2374 Mon Sep 17 00:00:00 2001
From: Kenneth Johansson <kenneth@southpole.se>
Date: Wed, 28 Dec 2016 16:56:21 +0100
Subject: [PATCH] Set led to red when executing from internal SRAM.
then set it to yellow/orange when executing from DRAM.
---
Makefile | 14 ++++++--
board/inteno/ex400/jtag/ex400_led.cmm | 15 ++++++++
board/inteno/ex400/led.c | 2 +-
inteno_led.S | 50 ++++++++++++++++++++++++++
mt7621_stage_L2.bin | Bin 19896 -> 19896 bytes
5 files changed, 78 insertions(+), 3 deletions(-)
create mode 100644 board/inteno/ex400/jtag/ex400_led.cmm
create mode 100644 inteno_led.S
diff --git a/Makefile b/Makefile
index 68acf1096a5..497a13d29ae 100644
--- a/Makefile
+++ b/Makefile
@@ -848,7 +848,8 @@ endif
DDR_CHIP=DEFAULT_DDR3_2048M
CFG_ENV_IS=IN_NAND
-PHONY += mt7621_ram_init
+PHONY += mt7621_ram_init inteno_led_hack
+
mt7621_ram_init: u-boot.bin
cp mt7621_stage_L2.bin nand.bin
@@ -864,7 +865,16 @@ mt7621_ram_init: u-boot.bin
seek=$(shell echo "(($(shell stat -c %s mt7621_stage_L2.bin)+4095)/4096)*4096-64" | bc) \
conv=notrunc
-uboot.img: mt7621_ram_init
+inteno_led_hack: mt7621_ram_init
+ $(CC) $(c_flags) -c inteno_led.S -o inteno_led-elf.o
+ $(LD) -EL -static -n -nostdlib -e_start -pie -Bstatic --gc-sections -Texamples/standalone/mips.lds -Ttext=0x89004ec0 inteno_led-elf.o -o inteno_led.o
+ $(OBJCOPY) -O binary -j .text inteno_led.o inteno_led.bin
+ dd if=inteno_led.bin of=nand.bin bs=1 count=$(shell stat -c %s u-boot.bin) \
+ seek=$(shell echo "(($(shell stat -c %s mt7621_stage_L2.bin)+4095)/4096)*4096-64-256" | bc) \
+ conv=notrunc
+
+
+uboot.img: inteno_led_hack
./tools/mkimage_mediatek -A mips -T standalone -C none \
-a 0xA0200000 -e 0xa0200000 \
-n "NAND Flash Image" \
diff --git a/board/inteno/ex400/jtag/ex400_led.cmm b/board/inteno/ex400/jtag/ex400_led.cmm
new file mode 100644
index 00000000000..0d9315c8b21
--- /dev/null
+++ b/board/inteno/ex400/jtag/ex400_led.cmm
@@ -0,0 +1,15 @@
+///////////////////////////////////////////////////////////////////////////////
+// basic cpu config for lauterbach
+//
+B::RES
+B::SYS.CPU MIPS1004KMT
+B::sys.jc 25.mhz
+//B::sys.jc 75.mhz
+//enddo
+B::SYS.M UP
+go
+wait 500.ms
+break
+//B::B::R.S PC 0x89000148
+
+enddo
diff --git a/board/inteno/ex400/led.c b/board/inteno/ex400/led.c
index 3ced143f086..358ac29dddd 100644
--- a/board/inteno/ex400/led.c
+++ b/board/inteno/ex400/led.c
@@ -16,7 +16,7 @@ void ex400_init_leds( void )
/* set led status_g on and rest to off */
set_led(LED_STATUS_G, LED_STATE_ON);
- set_led(LED_STATUS_R, LED_STATE_OFF);
+ set_led(LED_STATUS_R, LED_STATE_ON);
set_led(LED_WPS, LED_STATE_OFF);
}
diff --git a/inteno_led.S b/inteno_led.S
new file mode 100644
index 00000000000..90097e1edb4
--- /dev/null
+++ b/inteno_led.S
@@ -0,0 +1,50 @@
+ .set noreorder
+ .globl _start
+ .section .text
+
+_start:
+ nop
+1:
+ // uncomment this to be able to attach jtag debugger.
+// b 1b
+ nop
+
+ /* setup gpio pinmux
+
+ led status green, gpio 8 as gpio function
+
+ RALINK_REG(0xbe000060) &= ~(3 << 3); //clear bit 3 & 4
+ RALINK_REG(0xbe000060) |= (1 << 3); //set bit 3
+
+ led status red, gpio 11 as gpio function
+ led wps (green), gpio 12 as gpio function
+
+ RALINK_REG(0xbe000060) &= ~(3 << 5); //clear bit 5 & 6
+ RALINK_REG(0xbe000060) |= (1 << 5); //set bit 5
+
+ */
+
+ li $11, 0xbe000060
+ lw $12, 0($11)
+ and $12, 0xffffff87 /* (3 << 3) | (3 << 5) */
+ or $12, 0x00000028 /* (1 << 3) | (1 << 5) */
+ sw $12, 0($11)
+
+
+ /* set gpio 8,11,12 to output */
+ li $11, 0xbe000600
+ lw $12, 0($11)
+ or $12, 0x00001900 /* 1<<8 | 1<<11 | 1<<12 */
+ sw $12, 0($11)
+
+ /* set status to red, bit 11 -> 1(on) 12&8 -> 1(off)*/
+ li $11, 0xbe000620
+ lw $12, 0($11)
+ or $12, 0x1900 /* 1<<11 1<<8 1<<12 */
+ sw $12, 0($11)
+
+/* jump back to 0x89000140 */
+ li $11, 0x89000140
+ j $11
+ nop
+
diff --git a/mt7621_stage_L2.bin b/mt7621_stage_L2.bin
index 71a616d92f61004e8b31906286c28af182a232ec..fdbd4e64b75abaa8c97e61c80cbc37334f68b3b0 100755
GIT binary patch
delta 27
gcmdlnn{mf%Mu82&4qOZj3=Ewhf+2umqreJZ0A(EpRR910
delta 27
gcmdlnn{mf%Mu7kZ2QCH%28K=$!Qi`NqreJZ0AIQWmjD0&
--
GitLab