/* * (C) Copyright 2012 * wangflord@allwinnertech.com * * * 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; * */ #include #include "types.h" #include "arch.h" #include "bsp.h" #include "boot0_v2.h" extern const boot0_file_head_t fes1_head; typedef struct __fes_aide_info{ __u32 dram_init_flag; /* Dram初始化完成标志 */ __u32 dram_update_flag; /* Dram 参数是否被修改标志 */ __u32 dram_paras[SUNXI_DRAM_PARA_MAX]; }fes_aide_info_t; /* ************************************************************************************ * note_dram_log * * Description: * ����ɱ�־ * Parameters: * void * Return value: * 0: success * !0: fail * History: * void ************************************************************************************ */ static void note_dram_log(void) { fes_aide_info_t *fes_aide = (fes_aide_info_t *)FES1_DRAM_RET_ADDR; memset(fes_aide, 0, sizeof(fes_aide_info_t)); fes_aide->dram_init_flag = SYS_PARA_LOG; fes_aide->dram_update_flag = 1; memcpy(fes_aide->dram_paras, fes1_head.prvt_head.dram_para, SUNXI_DRAM_PARA_MAX * 4); memcpy((void *)DRAM_PARA_STORE_ADDR, fes1_head.prvt_head.dram_para, SUNXI_DRAM_PARA_MAX * 4); } /* ************************************************************************************************************ * * function * * name : * * parmeters : * * return : * * note : * * ************************************************************************************************************ */ #pragma arm section code="fes1_section" void fes1_entry(void) { cpu_init_s(); timer_init(); UART_open( fes1_head.prvt_head.uart_port, (void *)fes1_head.prvt_head.uart_ctrl, 24*1000*1000 ); UART_printf2("begin init dram\n"); if(init_DRAM(0, (void *)fes1_head.prvt_head.dram_para)) { note_dram_log(); UART_printf2("init dram ok\n"); } else { UART_printf2("init dram fail\n"); } __msdelay(10); return; } #pragma arm section