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nand: add idb read function for drmboot.ko for read idb data.

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This commit is contained in:
Zhaoyifeng
2015-01-16 09:30:07 +08:00
parent 3694b65f17
commit 4648d6a167
1 changed files with 18 additions and 11 deletions
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29
arch/arm/mach-rockchip/rknandbase.c
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@@ -61,27 +61,31 @@ int rknand_get_part_info(char **s)
}
EXPORT_SYMBOL(rknand_get_part_info);
static char sn_data[512];
static char vendor0[512];
static char nand_idb_data[2048];
char GetSNSectorInfo(char * pbuf)
{
memcpy(pbuf,sn_data,0x200);
memcpy(pbuf,&nand_idb_data[0x600],0x200);
return 0;
}
char GetSNSectorInfoBeforeNandInit(char * pbuf)
{
memcpy(pbuf,sn_data,0x200);
memcpy(pbuf,&nand_idb_data[0x600],0x200);
return 0;
}
char GetVendor0InfoBeforeNandInit(char * pbuf)
{
memcpy(pbuf,vendor0 + 8,504);
memcpy(pbuf,&nand_idb_data[0x400+8],504);
return 0;
}
char* rknand_get_idb_data(void)
{
return nand_idb_data;
}
EXPORT_SYMBOL(rknand_get_idb_data);
int GetParamterInfo(char * pbuf , int len)
{
int ret = -1;
@@ -141,7 +145,11 @@ EXPORT_SYMBOL(rk_nand_get_device);
unsigned long rknand_dma_flush_dcache(unsigned long ptr,int size,int dir)
{
#ifdef CONFIG_ARM64
__flush_dcache_area((void *)ptr, size + 63);
#else
__cpuc_flush_dcache_area((void*)ptr, size + 63);
#endif
return ((unsigned long )virt_to_phys((void *)ptr));
}
EXPORT_SYMBOL(rknand_dma_flush_dcache);
@@ -164,10 +172,10 @@ int rknand_flash_cs_init(int id)
}
EXPORT_SYMBOL(rknand_flash_cs_init);
int rknand_get_reg_addr(int *pNandc0,int *pNandc1,int *pSDMMC0,int *pSDMMC1,int *pSDMMC2)
int rknand_get_reg_addr(unsigned long *pNandc0,unsigned long *pNandc1,unsigned long *pSDMMC0,unsigned long *pSDMMC1,unsigned long *pSDMMC2)
{
*pNandc0 = (int)g_nandc_info[0].reg_base;
*pNandc1 = (int)g_nandc_info[1].reg_base;
*pNandc0 = (unsigned long)g_nandc_info[0].reg_base;
*pNandc1 = (unsigned long)g_nandc_info[1].reg_base;
return 0;
}
EXPORT_SYMBOL(rknand_get_reg_addr);
@@ -223,8 +231,7 @@ static int rknand_probe(struct platform_device *pdev)
#endif
if(id == 0)
{
memcpy(vendor0,membase+0x1400,0x200);
memcpy(sn_data,membase+0x1600,0x200);
memcpy(nand_idb_data,membase+0x1000,0x800);
}
else if(id >= 2)
{