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ramips: lzma-loader: Refactor loader
* Delete unused lantiq makefile * Delete redundant makefiles and unify them into the main makefile * Refactor and unify board code into a single file * Add support and review subtarget specific board support Signed-off-by: Antonio Vázquez <antoniovazquezblanco@gmail.com>
This commit is contained in:
Antonio Vázquez
Hauke Mehrtens
parent
e4c7703d2a
commit
c31319b669
@ -43,6 +43,7 @@ define Build/loader-common
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BOARD="$(BOARDNAME)" PLATFORM="$(LOADER_PLATFORM)" \
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LZMA_TEXT_START=$(LZMA_TEXT_START) \
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LOADADDR=$(LOADADDR) \
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SUBTARGET=$(SUBTARGET) \
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$(1) compile loader.$(LOADER_TYPE)
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mv "$@.$(LOADER_TYPE)" "$@"
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rm -rf $@.src
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@ -18,6 +18,8 @@ FLASH_OFFS :=
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FLASH_MAX :=
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BOARD :=
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PLATFORM :=
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SUBTARGET :=
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CACHE_FLAGS := -DCONFIG_CACHELINE_SIZE=32
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ifeq ($(TARGET_DIR),)
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TARGET_DIR := $(KDIR)
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@ -46,6 +48,8 @@ loader-compile: $(PKG_BUILD_DIR)/.prepared
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FLASH_MAX=$(FLASH_MAX) \
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BOARD="$(BOARD)" \
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PLATFORM="$(PLATFORM)" \
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SUBTARGET="$(SUBTARGET)" \
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CACHE_FLAGS="$(CACHE_FLAGS)" \
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clean all
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loader.gz: $(PKG_BUILD_DIR)/loader.bin
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@ -23,6 +23,7 @@ FLASH_START :=
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FLASH_OFFS :=
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FLASH_MAX :=
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PLATFORM :=
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SUBTARGET :=
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CACHE_FLAGS :=
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CC := $(CROSS_COMPILE)gcc
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@ -31,8 +32,6 @@ OBJCOPY := $(CROSS_COMPILE)objcopy
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OBJDUMP := $(CROSS_COMPILE)objdump
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include $(PLATFORM).mk
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BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug \
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-R .MIPS.abiflags -S
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@ -54,7 +53,27 @@ LDFLAGS += -flto -fwhole-program -Wl,-z,max-page-size=4096
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O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32)
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OBJECTS := head.o loader.o cache.o board-$(PLATFORM).o printf.o LzmaDecode.o
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OBJECTS := head.o loader.o cache.o board.o printf.o LzmaDecode.o
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ifeq ($(strip $(SUBTARGET)),)
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$(error "Please specify a SUBTARGET!")
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endif
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ifeq ($(strip $(SUBTARGET)),mt7620)
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CFLAGS += -DSOC_MT7620
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endif
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ifeq ($(strip $(SUBTARGET)),mt7621)
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CFLAGS += -DSOC_MT7621
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endif
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ifeq ($(strip $(SUBTARGET)),rt305x)
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CFLAGS += -DSOC_RT305X
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endif
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ifeq ($(strip $(SUBTARGET)),rt3883)
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CFLAGS += -DSOC_RT3883
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endif
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ifneq ($(strip $(LOADER_DATA)),)
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OBJECTS += data.o
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@ -1,39 +0,0 @@
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/*
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* Arch specific code for mt7621 based boards, based on code for Ralink boards
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*
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* Copyright (C) 2018 Tobias Schramm <tobleminer@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include "config.h"
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#define READREG(r) *(volatile uint32_t *)(r)
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#define WRITEREG(r,v) *(volatile uint32_t *)(r) = v
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#define KSEG1ADDR(_x) (((_x) & 0x1fffffff) | 0xa0000000)
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#define UART_BASE 0xBE000C00
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#define UART_TBR_OFFSET 0x00
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#define UART_LSR_OFFSET 0x14
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#define UART_LSR_TEMT (1 << 6)
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#define UART_READ(r) READREG(UART_BASE + (r))
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#define UART_WRITE(r,v) WRITEREG(UART_BASE + (r), (v))
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void board_putc(int ch)
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{
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while (((UART_READ(UART_LSR_OFFSET)) & UART_LSR_TEMT) == 0);
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UART_WRITE(UART_TBR_OFFSET, ch);
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while (((UART_READ(UART_LSR_OFFSET)) & UART_LSR_TEMT) == 0);
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}
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void board_init(void)
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{
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}
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@ -1,42 +0,0 @@
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/*
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* Arch specific code for Ralink based boards
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*
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* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <stddef.h>
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#include "config.h"
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#define READREG(r) *(volatile unsigned int *)(r)
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#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
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#define KSEG1ADDR(_x) (((_x) & 0x1fffffff) | 0xa0000000)
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#ifdef CONFIG_SOC_RT288X
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#define UART_BASE 0xb0300c00
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#else
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#define UART_BASE 0xb0000c00
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#endif
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#define UART_TX 1
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#define UART_LSR 7
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#define UART_LSR_THRE 0x20
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#define UART_READ(r) READREG(UART_BASE + 4 * (r))
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#define UART_WRITE(r,v) WRITEREG(UART_BASE + 4 * (r), (v))
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void board_putc(int ch)
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{
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while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
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UART_WRITE(UART_TX, ch);
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while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
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}
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void board_init(void)
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{
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}
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48
target/linux/ramips/image/lzma-loader/src/board.c
Normal file
48
target/linux/ramips/image/lzma-loader/src/board.c
Normal file
@ -0,0 +1,48 @@
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/*
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* Arch specific code for ramips based boards
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*
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* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
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* Copyright (C) 2018 Tobias Schramm <tobleminer@gmail.com>
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* Copyright (C) 2023 Antonio Vázquez <antoniovazquezblanco@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <stdint.h>
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#if defined(SOC_MT7620) || defined(SOC_RT3883)
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#define UART_BASE 0xb0000c00
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#define UART_THR (UART_BASE + 0x04)
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#define UART_LSR (UART_BASE + 0x1c)
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#define UART_LSR_THRE_MASK 0x40
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#elif defined(SOC_MT7621)
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#define UART_BASE 0xbe000c00
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#define UART_THR (UART_BASE + 0x00)
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#define UART_LSR (UART_BASE + 0x14)
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#define UART_LSR_THRE_MASK 0x20
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#elif defined(SOC_RT305X)
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#define UART_BASE 0x10000500
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#define UART_THR (UART_BASE + 0x04)
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#define UART_LSR (UART_BASE + 0x1c)
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#define UART_LSR_THRE_MASK 0x20
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#else
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#error "Unsupported SOC..."
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#endif
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// Helper functions
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#define READREG(r) (*(volatile uint32_t *)(r))
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#define WRITEREG(r,v) (*(volatile uint32_t *)(r)) = v
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void board_init(void)
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{
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}
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void board_putc(int ch)
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{
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while ((READREG(UART_LSR) & UART_LSR_THRE_MASK) == 0);
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WRITEREG(UART_THR, ch);
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while ((READREG(UART_LSR) & UART_LSR_THRE_MASK) == 0);
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}
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@ -1 +0,0 @@
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CACHE_FLAGS+=-DCONFIG_ICACHE_SIZE="(32 * 1024)" -DCONFIG_DCACHE_SIZE="(32 * 1024)" -DCONFIG_CACHELINE_SIZE=32
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@ -1 +0,0 @@
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CACHE_FLAGS+=-DCONFIG_ICACHE_SIZE="(32 * 1024)" -DCONFIG_DCACHE_SIZE="(16 * 1024)" -DCONFIG_CACHELINE_SIZE=32
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@ -1 +0,0 @@
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CACHE_FLAGS+=-DCONFIG_ICACHE_SIZE="(32 * 1024)" -DCONFIG_DCACHE_SIZE="(16 * 1024)" -DCONFIG_CACHELINE_SIZE=32
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