mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 06:08:08 +00:00
bcm63xx: lzma-loader: rely on CHIP_ID for UART address
lzma-loader uart output wasn't working on BCM3380/BCM6362 because these SoCs have the same processor ID. Let's use CHIP_ID for establishing the UART base address. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
parent
8e8920c92f
commit
c93cdf536a
@ -17,7 +17,8 @@ LOADER_MAKEOPTS= \
|
||||
KDIR=$(KDIR) \
|
||||
LOADADDR=$(KERNEL_LOADADDR) \
|
||||
RAMSIZE=$(RAMSIZE) \
|
||||
LZMA_TEXT_START=$(LZMA_TEXT_START)
|
||||
LZMA_TEXT_START=$(LZMA_TEXT_START) \
|
||||
CHIP_ID=$(CHIP_ID)
|
||||
|
||||
RELOCATE_MAKEOPTS= \
|
||||
CACHELINE_SIZE=16 \
|
||||
|
||||
@ -1,4 +1,6 @@
|
||||
#
|
||||
# Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
# Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>
|
||||
# Copyright (C) 2011 OpenWrt.org
|
||||
# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
|
||||
#
|
||||
@ -14,6 +16,25 @@ LOADER_NAME := $(basename $(notdir $(LOADER)))
|
||||
LOADER_DATA :=
|
||||
TARGET_DIR :=
|
||||
|
||||
UART_BASE_3329 := 0xb0000100
|
||||
UART_BASE_3368 := 0xfff8c100
|
||||
UART_BASE_3380 := 0xb4e00200
|
||||
UART_BASE_3383 := 0xb4e00500
|
||||
UART_BASE_3384 := 0xb4e00500
|
||||
UART_BASE_6318 := 0xb0000100
|
||||
UART_BASE_6328 := 0xb0000100
|
||||
UART_BASE_6338 := 0xfffe0300
|
||||
UART_BASE_6345 := 0xfffe0300
|
||||
UART_BASE_6348 := 0xfffe0300
|
||||
UART_BASE_6358 := 0xfffe0100
|
||||
UART_BASE_6362 := 0xb0000100
|
||||
UART_BASE_6368 := 0xb0000100
|
||||
UART_BASE_63268 := 0xb0000180
|
||||
UART_BASE_6816 := 0xb0000100
|
||||
UART_BASE_6818 := 0xb0000100
|
||||
UART_BASE_6828 := 0xb0000180
|
||||
UART_BASE := $(if $(UART_BASE_$(CHIP_ID)),$(UART_BASE_$(CHIP_ID)),0)
|
||||
|
||||
ifeq ($(TARGET_DIR),)
|
||||
TARGET_DIR := $(KDIR)
|
||||
endif
|
||||
@ -35,6 +56,7 @@ loader-compile: $(PKG_BUILD_DIR)/.prepared
|
||||
$(MAKE) -C $(PKG_BUILD_DIR) CROSS_COMPILE="$(TARGET_CROSS)" \
|
||||
LZMA_TEXT_START=$(LZMA_TEXT_START) \
|
||||
LOADER_DATA=$(LOADER_DATA) \
|
||||
UART_BASE=$(UART_BASE) \
|
||||
clean all
|
||||
|
||||
loader.elf: $(PKG_BUILD_DIR)/loader.elf
|
||||
|
||||
@ -2,6 +2,8 @@
|
||||
# Makefile for the LZMA compressed kernel loader for
|
||||
# Atheros AR7XXX/AR9XXX based boards
|
||||
#
|
||||
# Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
# Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>
|
||||
# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
|
||||
#
|
||||
# Some parts of this file was based on the OpenWrt specific lzma-loader
|
||||
@ -34,6 +36,7 @@ CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
|
||||
-mabi=32 -march=mips32 \
|
||||
-Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap
|
||||
CFLAGS += -D_LZMA_PROB32
|
||||
CFLAGS += -DUART_BASE=$(UART_BASE)
|
||||
|
||||
ASFLAGS = $(CFLAGS) -D__ASSEMBLY__
|
||||
|
||||
@ -82,6 +85,3 @@ mrproper: clean
|
||||
|
||||
clean:
|
||||
rm -f loader *.elf *.bin *.o
|
||||
|
||||
|
||||
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
/*
|
||||
* BCM63XX specific implementation parts
|
||||
*
|
||||
* Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
|
||||
* Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
@ -10,7 +11,6 @@
|
||||
|
||||
#include <stddef.h>
|
||||
#include "config.h"
|
||||
#include "cp0regdef.h"
|
||||
|
||||
#define READREG(r) *(volatile unsigned int *)(r)
|
||||
#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
|
||||
@ -18,14 +18,12 @@
|
||||
#define UART_IR_REG 0x10
|
||||
#define UART_FIFO_REG 0x14
|
||||
|
||||
unsigned long uart_base;
|
||||
|
||||
static void wait_xfered(void)
|
||||
{
|
||||
unsigned int val;
|
||||
|
||||
do {
|
||||
val = READREG(uart_base + UART_IR_REG);
|
||||
val = READREG(UART_BASE + UART_IR_REG);
|
||||
if (val & (1 << 5))
|
||||
break;
|
||||
} while (1);
|
||||
@ -33,79 +31,10 @@ static void wait_xfered(void)
|
||||
|
||||
void board_putc(int ch)
|
||||
{
|
||||
if (!uart_base)
|
||||
if (!UART_BASE)
|
||||
return;
|
||||
|
||||
wait_xfered();
|
||||
WRITEREG(uart_base + UART_FIFO_REG, ch);
|
||||
WRITEREG(UART_BASE + UART_FIFO_REG, ch);
|
||||
wait_xfered();
|
||||
}
|
||||
|
||||
#define PRID_IMP_BMIPS32_REV4 0x4000
|
||||
#define PRID_IMP_BMIPS32_REV8 0x8000
|
||||
#define PRID_IMP_BMIPS3300 0x9000
|
||||
#define PRID_IMP_BMIPS3300_ALT 0x9100
|
||||
#define PRID_IMP_BMIPS3300_BUG 0x0000
|
||||
#define PRID_IMP_BMIPS43XX 0xa000
|
||||
|
||||
void board_init(void)
|
||||
{
|
||||
unsigned long prid, chipid, chipid_reg;
|
||||
|
||||
prid = read_32bit_c0_register($15, 0);
|
||||
|
||||
switch (prid & 0xff00) {
|
||||
case PRID_IMP_BMIPS32_REV4:
|
||||
case PRID_IMP_BMIPS32_REV8:
|
||||
case PRID_IMP_BMIPS3300_ALT:
|
||||
case PRID_IMP_BMIPS3300_BUG:
|
||||
chipid_reg = 0xfffe0000;
|
||||
break;
|
||||
case PRID_IMP_BMIPS3300:
|
||||
if ((prid & 0xff) >= 0x33)
|
||||
chipid_reg = 0xb0000000;
|
||||
else
|
||||
chipid_reg = 0xfffe0000;
|
||||
break;
|
||||
case PRID_IMP_BMIPS43XX:
|
||||
if ((prid & 0xff) == 0x04)
|
||||
chipid_reg = 0xfff8c000;
|
||||
else if ((prid & 0xff) == 0x70)
|
||||
return; /* FIXME: 0002a070 can be 6362 and 3380 */
|
||||
else if ((prid & 0xff) >= 0x30)
|
||||
chipid_reg = 0xb0000000;
|
||||
else
|
||||
chipid_reg = 0xfffe0000;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
||||
chipid = READREG(chipid_reg);
|
||||
|
||||
switch (chipid >> 16) {
|
||||
case 0x3368:
|
||||
case 0x6318:
|
||||
case 0x6328:
|
||||
case 0x6358:
|
||||
case 0x6362:
|
||||
case 0x6368:
|
||||
case 0x6369:
|
||||
uart_base = chipid_reg + 0x100;
|
||||
break;
|
||||
case 0x6316:
|
||||
case 0x6326:
|
||||
uart_base = chipid_reg + 0x180;
|
||||
break;
|
||||
case 0x3380:
|
||||
uart_base = chipid_reg + 0x200;
|
||||
break;
|
||||
case 0x6338:
|
||||
case 0x6345:
|
||||
case 0x6348:
|
||||
uart_base = chipid_reg + 0x300;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
@ -44,8 +44,6 @@
|
||||
extern unsigned char workspace[];
|
||||
|
||||
|
||||
extern void board_init(void);
|
||||
|
||||
static CLzmaDecoderState lzma_state;
|
||||
static unsigned char *lzma_data;
|
||||
static unsigned long lzma_datasize;
|
||||
@ -135,11 +133,10 @@ void loader_main(unsigned long reg_a0, unsigned long reg_a1,
|
||||
unsigned long);
|
||||
int res;
|
||||
|
||||
board_init();
|
||||
|
||||
printf("\n\nOpenWrt kernel loader for BCM63XX\n");
|
||||
printf("Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>\n");
|
||||
printf("Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>\n");
|
||||
printf("Copyright (C) 2020 Alvaro Fernandez Rojas <noltari@gmail.com>\n");
|
||||
|
||||
lzma_init_data();
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user