enable lp core of bl808 and change example name to triplecore

bsp/board/bl808dk/bl808_flash_lp.ld

@@ -33,9 +33,9 @@ MEMORY
 
 SECTIONS
 {
-    .fw_header0 :
+    .fw_header :
     {
-        KEEP(*(.fw_header0))
+        KEEP(*(.fw_header))
     } > fw_header_memory0
 
     .text :

bsp/board/bl808dk/board.c

@@ -203,8 +203,9 @@ static void console_init()
     bflb_gpio_init(gpio, GPIO_PIN_16, 21 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
     bflb_gpio_init(gpio, GPIO_PIN_17, 21 | GPIO_ALTERNATE | GPIO_PULLUP | GPIO_SMT_EN | GPIO_DRV_1);
 #elif defined(CPU_LP)
-    bflb_gpio_uart_init(gpio, GPIO_PIN_16, GPIO_UART_FUNC_UART1_TX);
+    /* map GPIO_PIN_18 and GPIO_PIN_19 as UART for LP core */
-    bflb_gpio_uart_init(gpio, GPIO_PIN_17, GPIO_UART_FUNC_UART1_RX);
+    bflb_gpio_uart_init(gpio, GPIO_PIN_18, GPIO_UART_FUNC_UART1_TX);
+    bflb_gpio_uart_init(gpio, GPIO_PIN_19, GPIO_UART_FUNC_UART1_RX);
 #endif
     struct bflb_uart_config_s cfg;
     cfg.baudrate = 2000000;
@@ -277,6 +278,12 @@ void board_init(void)
     /* D0 image offset on flash is CONFIG_D0_FLASH_ADDR+0x1000(header) */
     bflb_sf_ctrl_set_flash_image_offset(CONFIG_D0_FLASH_ADDR + 0x1000, 1, SF_CTRL_FLASH_BANK0);
 
+    Tzc_Sec_Set_CPU_Group(GLB_CORE_ID_LP, 2);
+    /* LP boot from 0x58020000 */
+    GLB_Set_CPU_Reset_Address(GLB_CORE_ID_LP, 0x58020000);
+    /* LP image offset on flash is CONFIG_LP_FLASH_ADDR+0x1000(header) */
+    bflb_sf_ctrl_set_flash_image_offset(CONFIG_LP_FLASH_ADDR + 0x1000, 2, SF_CTRL_FLASH_BANK1);
+
     bflb_irq_restore(flag);
 
     GLB_Release_CPU(GLB_CORE_ID_D0);

drivers/lhal/CMakeLists.txt

@@ -128,7 +128,7 @@ string(TOUPPER ${CPU_ID} CPU_ID_NAME)
 sdk_add_compile_definitions(-DCPU_${CPU_ID_NAME})
 endif()
 
-if(NOT ("${CPU_ID}" STREQUAL "d0"))
+if((NOT ("${CPU_ID}" STREQUAL "d0")) AND (NOT ("${CPU_ID}" STREQUAL "lp")))
 sdk_add_static_library(src/pka/libpka.a)
 endif()
 # add_subdirectory(src/pka)

examples/bl808_triplecore/Makefile

@@ -1,5 +1,6 @@
 build_dirs += helloworld_m0
 build_dirs += helloworld_d0
+build_dirs += helloworld_lp
 
 all: $(build_dirs)
 

examples/bl808_triplecore/helloworld_d0/README.md

@@ -1,4 +1,4 @@
-# bl808_dualcore
+# bl808_triplecore
 
 
 ## Support CHIP

examples/bl808_triplecore/helloworld_lp/Makefile

@@ -0,0 +1,14 @@
+SDK_DEMO_PATH ?= .
+BL_SDK_BASE ?= $(SDK_DEMO_PATH)/../../..
+
+export BL_SDK_BASE
+
+CHIP ?= bl808
+BOARD ?= bl808dk
+CPU_ID ?= lp 
+CROSS_COMPILE ?= riscv64-unknown-elf-
+
+# add custom cmake definition
+#cmake_definition+=-Dxxx=sss
+
+include $(BL_SDK_BASE)/project.build

examples/bl808_triplecore/helloworld_lp/README.md

@@ -0,0 +1,28 @@
+# bl808_triplecore
+
+
+## Support CHIP
+
+|      CHIP        | Remark |
+|:----------------:|:------:|
+|BL808             |  Only for LP CPU      |
+
+## Compile
+
+- BL808
+
+```
+make CHIP=bl808 BOARD=bl808dk CPU_ID=lp
+```
+
+## Flash
+
+```
+make flash CHIP=chip_name COMX=xxx # xxx is your com name
+```
+
+## UART of LP
+
+It's defined in 'console_init' of bl808dk/board.c.
+- GPIO 18 : TX
+- GPIO 19 : RX

examples/bl808_triplecore/helloworld_lp/flash_prog_cfg.ini

@@ -0,0 +1,12 @@
+[cfg]
+# 0: no erase, 1:programmed section erase, 2: chip erase
+erase = 1
+# skip mode set first para is skip addr, second para is skip len, multi-segment region with ; separated
+skip_mode = 0x0, 0x0
+# 0: not use isp mode, #1: isp mode
+boot2_isp_mode = 0
+
+[FW]
+filedir = ./build/build_out/helloworld*_$(CHIPNAME).bin
+# since LP is boot by M0，this address should consistent with m0's board_init in board.c
+address = 0x20000

examples/bl808_triplecore/helloworld_lp/main.c

@@ -0,0 +1,19 @@
+#include "bflb_mtimer.h"
+#include "board.h"
+
+#define DBG_TAG "MAIN"
+#include "log.h"
+
+int main(void)
+{
+    board_init();
+    while (1) {
+        LOG_F("hello world lp\r\n");
+        LOG_E("hello world lp\r\n");
+        LOG_W("hello world lp\r\n");
+        LOG_I("hello world lp\r\n");
+        LOG_D("hello world lp\r\n");
+        LOG_T("hello world lp\r\n");
+        bflb_mtimer_delay_ms(1000);
+    }
+}

examples/bl808_triplecore/helloworld_lp/proj.conf

@@ -0,0 +1,2 @@
+set(CONFIG_BFLOG 0)
+set(CONFIG_PSRAM 1)

examples/bl808_triplecore/helloworld_m0/CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.15)
+
+include(proj.conf)
+
+find_package(bouffalo_sdk REQUIRED HINTS $ENV{BL_SDK_BASE})
+
+sdk_set_main_file(main.c)
+
+project(helloworld)

examples/bl808_triplecore/helloworld_m0/README.md

@@ -1,4 +1,4 @@
-# bl808_dualcore
+# bl808_triplecore
 
 
 ## Support CHIP