mirror of
https://github.com/drasko/open-ameba.git
synced 2024-11-24 23:14:17 +00:00
eeb7f808ae
Signed-off-by: Drasko DRASKOVIC <drasko.draskovic@gmail.com>
521 lines
17 KiB
C
521 lines
17 KiB
C
/*
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* flash_eep.c
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*
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* Created on: 19/01/2015
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* Port RTL87xx: 15/10/16
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* Author: pvvx
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*/
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#include <rtl8195a.h>
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//#include <FreeRTOS.h>
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//#include <queue.h>
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#include <osdep_api.h>
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#include <osdep_service.h>
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#include "device_lock.h"
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#include "flash_api.h"
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#include "flash_eep.h"
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//-----------------------------------------------------------------------------
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#ifdef CONFIG_DEBUG_LOG
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#define DEBUGSOO CONFIG_DEBUG_LOG
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#else
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#define DEBUGSOO 0
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#endif
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#define mMIN(a, b) ((a < b)? a : b)
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#define align(a) ((a + 3) & 0xFFFFFFFC)
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typedef union // заголовок объекта сохранения feep
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{
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struct {
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unsigned short size;
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unsigned short id;
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} __attribute__((packed)) n;
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unsigned int x;
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} __attribute__((packed)) fobj_head;
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#define fobj_head_size 4
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#define fobj_x_free 0xffffffff
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#define MAX_FOBJ_SIZE 512 // максимальный размер сохраняемых объeктов
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#define FMEM_ERROR_MAX 5
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//-----------------------------------------------------------------------------
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flash_t flash;
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//QueueHandle_t flash_mutex;
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//-----------------------------------------------------------------------------
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/*-------------------------------------------------------------------------------------
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Копирует данные из области align(4) (flash, registers, ...) в область align(1) (ram)
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--------------------------------------------------------------------------------------*/
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void FLASH_EEP_ATTR copy_align4_to_align1(unsigned char * pd, void * ps, unsigned int len)
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{
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union {
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unsigned char uc[4];
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unsigned int ud;
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}tmp;
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unsigned int *p = (unsigned int *)((unsigned int)ps & (~3));
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unsigned int xlen = (unsigned int)ps & 3;
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// unsigned int size = len;
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if(xlen) {
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tmp.ud = *p++;
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while (len) {
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len--;
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*pd++ = tmp.uc[xlen++];
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if(xlen & 4) break;
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}
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}
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xlen = len >> 2;
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while(xlen) {
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tmp.ud = *p++;
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*pd++ = tmp.uc[0];
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*pd++ = tmp.uc[1];
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*pd++ = tmp.uc[2];
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*pd++ = tmp.uc[3];
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xlen--;
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}
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if(len & 3) {
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tmp.ud = *p;
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pd[0] = tmp.uc[0];
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if(len & 2) {
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pd[1] = tmp.uc[1];
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if(len & 1) {
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pd[2] = tmp.uc[2];
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}
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}
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}
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// return size;
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}
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/*------------------------------------------------------------------------------------
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Копирует данные из области align(1) (ram) в область align(4) (flash, registers)
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--------------------------------------------------------------------------------------*/
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void FLASH_EEP_ATTR copy_align1_to_align4(void * pd, unsigned char * ps, unsigned int len)
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{
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union {
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unsigned char uc[4];
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unsigned int ud;
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}tmp;
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unsigned int *p = (unsigned int *)(((unsigned int)pd) & (~3));
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unsigned int xlen = (unsigned int)pd & 3;
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// unsigned int size = len;
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if(xlen) {
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tmp.ud = *p;
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while (len) {
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len--;
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tmp.uc[xlen++] = *ps++;
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if(xlen & 4) break;
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}
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*p++ = tmp.ud;
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}
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xlen = len >> 2;
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while(xlen) {
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tmp.uc[0] = *ps++;
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tmp.uc[1] = *ps++;
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tmp.uc[2] = *ps++;
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tmp.uc[3] = *ps++;
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*p++ = tmp.ud;
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xlen--;
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}
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if(len & 3) {
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tmp.ud = *p;
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tmp.uc[0] = ps[0];
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if(len & 2) {
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tmp.uc[1] = ps[1];
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if(len & 1) {
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tmp.uc[2] = ps[2];
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}
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}
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*p = tmp.ud;
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}
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// return size;
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}
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/*------------------------------------------------------------------------------------
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Запись байта в область align(4) (flash, registers)
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--------------------------------------------------------------------------------------*/
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void FLASH_EEP_ATTR write_align4_chr(unsigned char *pd, unsigned char c)
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{
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union {
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unsigned char uc[4];
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unsigned int ud;
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}tmp;
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unsigned int *p = (unsigned int *)((unsigned int)pd & (~3));
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unsigned int xlen = (unsigned int)pd & 3;
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tmp.ud = *p;
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tmp.uc[xlen] = c;
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*p = tmp.ud;
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}
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/*------------------------------------------------------------------------------------
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Чтение байта из области align(4) (flash, registers)
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--------------------------------------------------------------------------------------*/
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unsigned char FLASH_EEP_ATTR get_align4_chr(const unsigned char *ps)
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{
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return (*((unsigned int *)((unsigned int)ps & (~3))))>>(((unsigned int)ps & 3) << 3);
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}
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/*------------------------------------------------------------------------------------
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Сравнение данных в области align(4) (flash, registers, ...) с областью align(1) (ram)
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--------------------------------------------------------------------------------------*/
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int FLASH_EEP_ATTR cmp_align1_align4(unsigned char * pd, void * ps, unsigned int len)
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{
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union {
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unsigned char uc[4];
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unsigned int ud;
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}tmp;
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unsigned int *p = (unsigned int *)((unsigned int)ps & (~3));
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unsigned int xlen = (unsigned int)ps & 3;
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if(xlen) {
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tmp.ud = *p++;
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while (len) {
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len--;
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if(*pd++ != tmp.uc[xlen++]) return 1;
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if(xlen & 4) break;
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}
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}
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xlen = len >> 2;
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while(xlen) {
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tmp.uc[0] = *pd++;
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tmp.uc[1] = *pd++;
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tmp.uc[2] = *pd++;
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tmp.uc[3] = *pd++;
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if(*p++ != tmp.ud) return 1;
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xlen--;
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}
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if(len & 3) {
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tmp.ud = *p;
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if(pd[0] != tmp.uc[0]) return 1;
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if(len & 2) {
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if(pd[1] != tmp.uc[1]) return 1;
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if(len & 1) {
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if(pd[2] != tmp.uc[2]) return 1;
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}
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}
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}
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return 0;
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}
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//-----------------------------------------------------------------------------
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LOCAL void _fwrite_word(unsigned int addr, unsigned int dw)
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{
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//Write word
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HAL_WRITE32(SPI_FLASH_BASE, addr, dw);
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// Wait spic busy done
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SpicWaitBusyDoneRtl8195A();
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// Wait flash busy done (wip=0)
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if(flashobj.SpicInitPara.flashtype == FLASH_MICRON)
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SpicWaitOperationDoneRtl8195A(flashobj.SpicInitPara);
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else
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SpicWaitWipDoneRefinedRtl8195A(flashobj.SpicInitPara);
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}
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//-----------------------------------------------------------------------------
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// FunctionName : get_addr_bscfg
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// Опции:
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// false - поиск текушего сегмента
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// true - поиск нового сегмента для записи (pack)
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// Returns : новый адрес сегмента для записи
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// ret < FMEM_ERROR_MAX - ошибка
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//-----------------------------------------------------------------------------
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LOCAL FLASH_EEP_ATTR unsigned int get_addr_bscfg(bool flg)
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{
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unsigned int x1 = (flg)? 0 : 0xFFFFFFFF, x2;
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unsigned int faddr = FMEMORY_SCFG_BASE_ADDR;
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unsigned int reta = FMEMORY_SCFG_BASE_ADDR;
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do {
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x2 = HAL_READ32(SPI_FLASH_BASE, faddr); // if(flash_read(faddr, &x2, 4)) return -(FMEM_FLASH_ERR);
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if(flg) { // поиск нового сегмента для записи (pack)
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if(x2 > x1 || x2 == 0xFFFFFFFF) {
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x1 = x2;
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reta = faddr; // новый адрес сегмента для записи
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}
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}
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else if(x2 < x1) { // поиск текушего сегмента
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x1 = x2;
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reta = faddr; // новый адрес сегмента для записи
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};
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faddr += FMEMORY_SCFG_BANK_SIZE;
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} while(faddr < (FMEMORY_SCFG_BASE_ADDR + FMEMORY_SCFG_BANKS * FMEMORY_SCFG_BANK_SIZE));
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if((!flg)&&(x1 == 0xFFFFFFFF)&&(reta == FMEMORY_SCFG_BASE_ADDR)) {
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_fwrite_word(reta, --x1); // if(flash_write(reta, &x1, 4)) return -(FMEM_FLASH_ERR);
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}
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#if DEBUGSOO > 3
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DBG_FEEP_INFO("base seg: %p [%d]\n", reta, x2);
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#endif
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return reta;
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}
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//-----------------------------------------------------------------------------
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// FunctionName : get_addr_fobj
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// Опции:
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// false - Поиск последней записи объекта по id и size
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// true - Поиск присуствия записи объекта по id и size
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// Returns : адрес записи данных объекта
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// 0 - не найден
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// ret < FMEM_ERROR_MAX - ошибка
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//-----------------------------------------------------------------------------
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LOCAL FLASH_EEP_ATTR unsigned int get_addr_fobj(unsigned int base, fobj_head *obj, bool flg)
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{
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// if(base == 0) return 0;
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fobj_head fobj;
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unsigned int faddr = base + 4;
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unsigned int fend = base + FMEMORY_SCFG_BANK_SIZE - align(fobj_head_size);
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unsigned int reta = 0;
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do {
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fobj.x = HAL_READ32(SPI_FLASH_BASE, faddr); // if(flash_read(faddr, &fobj, fobj_head_size)) return -(FMEM_FLASH_ERR);
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if(fobj.x == fobj_x_free) break;
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if(fobj.n.size <= MAX_FOBJ_SIZE) {
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if(fobj.n.id == obj->n.id) {
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if(flg) {
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return faddr;
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}
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obj->n.size = fobj.n.size;
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reta = faddr;
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}
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faddr += align(fobj.n.size + fobj_head_size);
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}
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else faddr += align(MAX_FOBJ_SIZE + fobj_head_size);
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}
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while(faddr < fend);
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return reta;
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}
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//-----------------------------------------------------------------------------
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// FunctionName : get_addr_fend
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// Поиск последнего адреса в сегменте для записи объекта
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// Returns : адрес для записи объекта
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// ret < FMEM_ERROR_MAX - ошибка
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// ret = 0 - не влезет, на pack
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//-----------------------------------------------------------------------------
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LOCAL FLASH_EEP_ATTR unsigned int get_addr_fobj_save(unsigned int base, fobj_head obj)
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{
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fobj_head fobj;
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unsigned int faddr = base + 4;
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unsigned int fend = base + FMEMORY_SCFG_BANK_SIZE - align(obj.n.size + fobj_head_size);
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do {
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fobj.x = HAL_READ32(SPI_FLASH_BASE, faddr); // if(flash_read(faddr, &fobj, fobj_head_size)) return -(FMEM_FLASH_ERR);
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if(fobj.x == fobj_x_free) {
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if(faddr < fend) {
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return faddr;
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}
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return 0; // не влезет, на pack
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}
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if(fobj.n.size <= MAX_FOBJ_SIZE) {
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faddr += align(fobj.n.size + fobj_head_size);
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}
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else faddr += align(MAX_FOBJ_SIZE + fobj_head_size);
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}
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while(faddr < fend);
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return 0; // не влезет, на pack
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}
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//=============================================================================
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// FunctionName : pack_cfg_fmem
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// Returns : адрес для записи объекта
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//-----------------------------------------------------------------------------
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LOCAL FLASH_EEP_ATTR unsigned int pack_cfg_fmem(fobj_head obj)
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{
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fobj_head fobj;
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unsigned int fnewseg = get_addr_bscfg(true); // поиск нового сегмента для записи (pack)
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if(fnewseg < FMEM_ERROR_MAX) return fnewseg; // error
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unsigned int foldseg = get_addr_bscfg(false); // поиск текушего сегмента
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if(foldseg < FMEM_ERROR_MAX) return fnewseg; // error
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unsigned int faddr = foldseg;
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unsigned int rdaddr, wraddr;
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unsigned short len;
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unsigned int * pbuf = (unsigned int *) malloc(align(MAX_FOBJ_SIZE + fobj_head_size) >> 2);
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if(pbuf == NULL) {
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#if DEBUGSOO > 1
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DBG_FEEP_ERR("pack malloc error!\n");
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#endif
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return -(FMEM_MEM_ERR);
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}
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#if DEBUGSOO > 3
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DBG_FEEP_INFO("repack base to new seg: %p\n", fnewseg);
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#endif
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SpicSectorEraseFlashRtl8195A(fnewseg); // if(flash_erase_sector(fnewseg)) return -(FMEM_FLASH_ERR);
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faddr += 4;
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wraddr = fnewseg + 4;
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do {
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fobj.x = HAL_READ32(SPI_FLASH_BASE, faddr); //if(flash_read(faddr, &fobj, fobj_head_size)) return -(FMEM_FLASH_ERR); // последовательное чтение id из старого сегмента
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if(fobj.x == fobj_x_free) break;
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if(fobj.n.size > MAX_FOBJ_SIZE) len = align(MAX_FOBJ_SIZE + fobj_head_size);
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else len = align(fobj.n.size + fobj_head_size);
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if(fobj.n.id != obj.n.id && fobj.n.size <= MAX_FOBJ_SIZE) { // объект валидный
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if(get_addr_fobj(fnewseg, &fobj, true) == 0) { // найдем, сохранили ли мы его уже? нет
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rdaddr = get_addr_fobj(foldseg, &fobj, false); // найдем последнее сохранение объекта в старом сенгменте, size изменен
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if(rdaddr < FMEM_ERROR_MAX) return rdaddr; // ???
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if(wraddr + len >= fnewseg + FMEMORY_SCFG_BANK_SIZE) {
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#if DEBUGSOO > 1
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DBG_FEEP_ERR("pack segment overflow!\n");
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#endif
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return -(FMEM_OVR_ERR);
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};
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#if 0
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copy_align4_to_align1((uint8 *)pbuf, rdaddr, len);
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#else
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SpicUserReadFourByteRtl8195A(len, rdaddr, (unsigned int *)pbuf, flashobj.SpicInitPara.Mode.BitMode);
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#endif
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int i = 0;
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int size4b = len >> 2;
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// перепишем данные obj в новый сектор
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while(size4b--) {
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_fwrite_word(wraddr, pbuf[i++]); // if(flash_write(wraddr, &pbuf[i++], 4)) return -(FMEM_FLASH_ERR);
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};
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};
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};
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faddr += len;
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} while(faddr < (foldseg + FMEMORY_SCFG_BANK_SIZE - align(fobj_head_size+1)));
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free(pbuf);
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// обратный счетчик стираний/записей секторов как id
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_fwrite_word(fnewseg, HAL_READ32(SPI_FLASH_BASE, foldseg) - 1); // if(flash_write(fnewseg, &foldseg + SPI_FLASH_BASE, 4)) return -(FMEM_FLASH_ERR);
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#if DEBUGSOO > 3
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DBG_FEEP_INFO("free: %d\n", FMEMORY_SCFG_BANK_SIZE - (faddr & (FMEMORY_SCFG_BANK_SIZE-1)));
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#endif
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return get_addr_fobj_save(fnewseg, obj); // адрес для записи объекта;
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}
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//-----------------------------------------------------------------------------
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LOCAL signed short FLASH_EEP_ATTR _flash_write_cfg(void *ptr, unsigned short id, unsigned short size)
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{
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fobj_head fobj;
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fobj.n.id = id;
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fobj.n.size = size;
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bool retb = false;
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unsigned int faddr = get_addr_bscfg(false);
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if(faddr >= FMEM_ERROR_MAX) {
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unsigned int xfaddr = get_addr_fobj(faddr, &fobj, false);
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if(xfaddr > FMEM_ERROR_MAX && size == fobj.n.size) {
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if(size == 0
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|| cmp_align1_align4(ptr, (void *)SPI_FLASH_BASE + xfaddr + fobj_head_size, size) == 0) {
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#if DEBUGSOO > 3
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DBG_FEEP_INFO("write obj is identical, id: %04x [%d]\n", id, size);
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#endif
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return size; // уже записано то-же самое
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}
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#if DEBUGSOO > 100
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else {
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int i;
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uint8 * p = (uint8 *)(SPI_FLASH_BASE + xfaddr + fobj_head_size);
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uint8 * r = (uint8 *) ptr;
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for(i=0; i < size; i+=8) {
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DBG_8195A("buf[%d]\t%02X %02X %02X %02X %02X %02X %02X %02X\n",
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i, r[i], r[i+1], r[i+2], r[i+3], r[i+4], r[i+5], r[i+6], r[i+7]);
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DBG_8195A("obj[%d]\t%02X %02X %02X %02X %02X %02X %02X %02X\n",
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i, p[i], p[i+1], p[i+2], p[i+3], p[i+4], p[i+5], p[i+6], p[i+7]);
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}
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}
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#endif
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}
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}
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#if DEBUGSOO > 2
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DBG_FEEP_INFO("write obj id: %04x [%d]\n", id, size);
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#endif
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fobj.n.size = size;
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faddr = get_addr_fobj_save(faddr, fobj);
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if(faddr == 0) {
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faddr = pack_cfg_fmem(fobj);
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if(faddr == 0) return FMEM_NOT_FOUND;
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}
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else if(faddr < FMEM_ERROR_MAX) return - faddr - 1; // error
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#if DEBUGSOO > 3
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DBG_FEEP_INFO("write obj to faddr %p\n", faddr);
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#endif
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_fwrite_word(faddr, fobj.x); // if(flash_write(faddr, &fobj.x, 4)) return FMEM_FLASH_ERR;
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faddr+=4;
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union {
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unsigned char uc[4];
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unsigned int ud;
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}tmp;
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#if 0
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u32 len = (size + 3) & (~3);
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if(len) SpicUserProgramRtl8195A((u8 *)ptr, 1, faddr, len);
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#else
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u32 len = (size + 3) >> 2;
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uint8 * ps = ptr;
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while(len--) {
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||
tmp.uc[0] = *ps++;
|
||
tmp.uc[1] = *ps++;
|
||
tmp.uc[2] = *ps++;
|
||
tmp.uc[3] = *ps++;
|
||
_fwrite_word(faddr, tmp.ud); // if(flash_write(faddr, &tmp.ud, 4)) return FMEM_FLASH_ERR;
|
||
faddr += 4;
|
||
}
|
||
#endif
|
||
return size;
|
||
}
|
||
//=============================================================================
|
||
//- Сохранить объект в flash --------------------------------------------------
|
||
// Returns : false/true
|
||
//-----------------------------------------------------------------------------
|
||
bool FLASH_EEP_ATTR flash_write_cfg(void *ptr, unsigned short id, unsigned short size)
|
||
{
|
||
if(size > MAX_FOBJ_SIZE) return false;
|
||
bool retb = false;
|
||
device_mutex_lock(RT_DEV_LOCK_FLASH);
|
||
// SPIC Init
|
||
flash_turnon();
|
||
if(fspic_isinit == 0) flash_init(&flashobj);
|
||
if(_flash_write_cfg(ptr, id, size) >= 0) {
|
||
#if DEBUGSOO > 3
|
||
DBG_FEEP_INFO("saved ok\n");
|
||
#endif
|
||
retb = true;
|
||
}
|
||
SpicDisableRtl8195A();
|
||
device_mutex_unlock(RT_DEV_LOCK_FLASH);
|
||
return retb;
|
||
}
|
||
//=============================================================================
|
||
//- Прочитать объект из flash -------------------------------------------------
|
||
// Параметры:
|
||
// prt - указатель, куда сохранить
|
||
// id - идентификатор искомого объекта
|
||
// maxsize - сколько байт сохранить максимум из найденного объекта, по ptr
|
||
// Returns:
|
||
// -3 - error
|
||
// -2 - flash rd/wr/clr error
|
||
// -1 - не найден
|
||
// 0..MAX_FOBJ_SIZE - ok, сохраненный размер объекта
|
||
//-----------------------------------------------------------------------------
|
||
signed short FLASH_EEP_ATTR flash_read_cfg(void *ptr, unsigned short id, unsigned short maxsize)
|
||
{
|
||
signed short rets = FMEM_ERROR;
|
||
if (maxsize <= MAX_FOBJ_SIZE) {
|
||
device_mutex_lock(RT_DEV_LOCK_FLASH);
|
||
fobj_head fobj;
|
||
fobj.n.id = id;
|
||
fobj.n.size = 0;
|
||
#if DEBUGSOO > 2
|
||
DBG_FEEP_INFO("read obj id: %04x[%d]\n", id, maxsize);
|
||
#endif
|
||
// SPIC Init
|
||
flash_turnon();
|
||
if(fspic_isinit == 0) flash_init(&flashobj);
|
||
unsigned int faddr = get_addr_bscfg(false);
|
||
if(faddr >= FMEM_ERROR_MAX) {
|
||
faddr = get_addr_fobj(faddr, &fobj, false);
|
||
if(faddr >= FMEM_ERROR_MAX) {
|
||
#if 0
|
||
if(maxsize != 0 && ptr != NULL)
|
||
copy_align4_to_align1(ptr, SPI_FLASH_BASE + faddr + fobj_head_size, mMIN(fobj.n.size, maxsize));
|
||
#else
|
||
if(maxsize != 0 && ptr != NULL)
|
||
SpicUserReadRtl8195A(mMIN(fobj.n.size, maxsize), faddr + fobj_head_size, ptr, flashobj.SpicInitPara.Mode.BitMode);
|
||
#endif
|
||
#if DEBUGSOO > 3
|
||
DBG_FEEP_INFO("read ok, faddr: %p, size: %d\n", faddr, fobj.n.size);
|
||
#endif
|
||
rets = fobj.n.size;
|
||
}
|
||
else {
|
||
#if DEBUGSOO > 3
|
||
DBG_FEEP_INFO("obj not found\n");
|
||
#endif
|
||
rets = -faddr-1;
|
||
}
|
||
}
|
||
else rets = -faddr-1;
|
||
SpicDisableRtl8195A();
|
||
device_mutex_unlock(RT_DEV_LOCK_FLASH);
|
||
}
|
||
return rets;
|
||
}
|
||
//=============================================================================
|