홈 > 고객/기술지원 > Q & A
i.MX8M | MV8895 | MV8890 | MV7420 | MV5260 | MV5422 | MV4412TAB | MV4412 | S5PV210 | iMX6Q | AM3358
Android | Linux | Windows CE | Firmware
 
RE:SROM Bank들의 타이밍 조절
등록인 : 마이크로비젼 |

마이크로비젼 기술지원팀입니다.

 

아래 경로의 파일을 확인해 보시길 바랍니다.

/u-boot-1.3.4-samsung/board/samsung/smdkc110 폴더에서 “mvc110.c”을 참고 하시면 도움이 될 것 같습니다.

#include <regs.h>

static void smc9115_pre_init(void)

{

#if 1

        unsigned int tmp;

 

#if defined(CONFIG_DRIVER_SMC911X_16_BIT)

        SROM_BW_REG &= ~(0xf << 20);

        SROM_BW_REG |= (0<<23) | (0<<22) | (0<<21) | (1<<20);

 

        /* SDKIM Enable EBI 16BIT ADDR:DATA*/

        MP01_BASE_REG &= ~(0xfff << 20);

        MP01_BASE_REG |= (0x222 << 20);

        MP04_BASE_REG = 0x22222222;

        MP05_BASE_REG = 0x22222222;

        MP06_BASE_REG = 0x22222222;

        MP07_BASE_REG = 0x22222222;

#else/* 8*/

        SROM_BW_REG &= ~(0xf << 20);

        SROM_BW_REG |= (0<<19) | (0<<18) | (0<<16);

#endif

        SROM_BC5_REG = ((0<<28)|(1<<24)|(5<<16)|(1<<12)|(4<<8)|(6<<4)|(0<<0));

 

        tmp = MP01CON_REG;

        tmp &=~(0xf<<20);

        tmp |=(2<<20);

        MP01CON_REG = tmp;

 

#else

        unsigned int tmp;

        unsigned char smc_bank_num=5;//SDKIM 3;

 

        /* gpio configuration */

 

//      tmp = readl(GPK0CON);

//      tmp &= ~(0xf << smc_bank_num*4);

//      tmp |= (0x2 << smc_bank_num*4);

//      writel(tmp,GPK0CON);

 

        tmp = SROM_BW_REG;

        tmp &= ~(0xF<<(smc_bank_num * 4));

        tmp |= SROM_DATA16_WIDTH(smc_bank_num);

        SROM_BW_REG = tmp;

        if(smc_bank_num == 0)

                SROM_BC0_REG = ((SMC9115_Tacs<<28)|(SMC9115_Tcos<<24)|(SMC9115_Tacc<<16)|(SMC9115_Tcoh<<12)|(SMC9115_Tah<<8)|(SMC9115_Tacp<<4)|(SMC9115_PMC));

        else if(smc_bank_num == 1)

                SROM_BC1_REG = ((SMC9115_Tacs<<28)|(SMC9115_Tcos<<24)|(SMC9115_Tacc<<16)|(SMC9115_Tcoh<<12)|(SMC9115_Tah<<8)|(SMC9115_Tacp<<4)|(SMC9115_PMC));

        else if(smc_bank_num == 2)

                SROM_BC2_REG = ((SMC9115_Tacs<<28)|(SMC9115_Tcos<<24)|(SMC9115_Tacc<<16)|(SMC9115_Tcoh<<12)|(SMC9115_Tah<<8)|(SMC9115_Tacp<<4)|(SMC9115_PMC));

        else if(smc_bank_num == 3)

                SROM_BC3_REG = ((SMC9115_Tacs<<28)|(SMC9115_Tcos<<24)|(SMC9115_Tacc<<16)|(SMC9115_Tcoh<<12)|(SMC9115_Tah<<8)|(SMC9115_Tacp<<4)|(SMC9115_PMC));

#endif

}

덧글 0 | 엮인글 0
 





 
    8 / 2,658,040
서울특별시 구로구 구로3동 235번지 한신IT타워 1004호 TEL. 02-3283-0101 FAX. 02-3283-0160
사업자등록번호 : 116-81-51889 대표자 : 이현재 E-MAIL : sale@microvision.co.kr
COPYRIGHT 2004 (주)마이크로비젼 ALL RIGHTS RESERVED.
%3Cul+class%3D%22Klocation%22%3E%3Cli+class%3D%22first%22%3E%3Ca+href%3D%22..%2Fhome%2F%22%3EHOME%3C%2Fa%3E%3C%2Fli%3E%3Cli%3E%3Ca+href%3D%22..%2Fhome%2Fsub03.php%22%3E%EA%B3%A0%EA%B0%9D%2F%EA%B8%B0%EC%88%A0%EC%A7%80%EC%9B%90%3C%2Fa%3E%3C%2Fli%3E%3Cli%3E%3Ca+href%3D%22..%2Fhome%2Fsub03.php%3Fmid%3D51%22%3EQ+%26+A%3C%2Fa%3E%3C%2Fli%3E%3C%2Ful%3E