English
- #include "config.h"
- #include "regmap.h"
- #include "global.h"
- #include "cpu.h"
- #include "uart.h"
- static inline void flush_lbc(void)
- {
- int o_md;
- regs0->lbc_control = 3;
- for (o_md=0;o_md<10000;o_md++) if ((regs0->lbc_control&1)==0) break;
- }
- #define REPORT_ONLY_PASS
- //#define TSTART 0x180000 // start from 1.5MB
- //#define TLEN 0x40000 // test 1MB
- #define TSTART (128*1024) // from 128k
- #define TLEN (2048*1024 - TSTART)
- void
- test_sdram(void)
- {
- int o_md,o_dly,i_md,i_dly;
- int hwd_drv, bt1_drv, bt0_drv, ctl_drv, clko_drv;
- int i_bypass;
- UINT32 *p;
- cpu_intr_disable();
- UART0_puts("sdram_testn");
- o_md = regs0->hw_cfg;
- UART0_puts("hwcfg mode:"); UART0_puthex(o_md); UART0_puts("n");
- o_md = regs0->sysclk_sel; o_dly = regs0->sysclk_div_sel;
- UART0_puts("pllsel mode:"); UART0_puthex4(o_md); UART0_puts(" "); UART0_puthex4(o_dly); UART0_puts("n");
- UART0_puts("test from $"); UART0_puthex(TSTART); UART0_puts("n");
- UART0_puts("test leng $"); UART0_puthex(TLEN); UART0_puts("n");
- regs0->sdram_clko_cfg = 0x33; // 05 5 (0014)
- regs0->sdram_clki_cfg = 0x0; // 06 6 (0018)
- regs0->sdram_clki_dly_cfg = 0x80; // 07 7 (001c)
- regs0->pad_ctrl = 0xaaff; // all 20mA drive
- // regs0->pad_ctrl = 0xaaaa; // all 12mA drive
- // regs0->pad_ctrl = 0x5555; // all 8mA drive
- // regs0->pad_ctrl = 0x555B; // all 8mA drive
- p = (UINT32 *)(0xa0000000 + TSTART);
- // for (hwd_drv=1;hwd_drv<=3;hwd_drv++)
- // {
- // for (bt1_drv=1;bt1_drv<=3;bt1_drv++)
- // {
- // for (bt0_drv=1;bt0_drv<=3;bt0_drv++)
- // {
- // for (ctl_drv=1;ctl_drv<=3;ctl_drv++)
- // {
- // for (clko_drv=1;clko_drv<=3;clko_drv++)
- // {
- hwd_drv = 1;
- bt1_drv = 1;
- bt0_drv = 1;
- ctl_drv = 2;
- clko_drv = 3;
- // regs0->pad_ctrl = 0x5000 |
- regs0->pad_ctrl = 0x5000 |
- (hwd_drv<<10) |
- (hwd_drv<<8) |
- (bt1_drv<<6) |
- (bt0_drv<<4) |
- (ctl_drv<<2) |
- clko_drv;
- //regs0->pad_ctrl = 0xaaff;
- UART0_puts("nhwd-bt1-bt0-ctl-clko drv = ");
- UART0_puthex4(hwd_drv);UART0_puts("-");
- UART0_puthex4(bt1_drv);UART0_puts("-");
- UART0_puthex4(bt0_drv);UART0_puts("-");
- UART0_puthex4(ctl_drv);UART0_puts("-");
- UART0_puthex4(clko_drv);UART0_puts(" ");
- UART0_puthex4(regs0->pad_ctrl);UART0_puts("n");
- // for (i_bypass=0; i_bypass<2; i_bypass++)
- for (i_bypass=1; i_bypass<2; i_bypass++)
- {
- for (o_md=0;o_md<=5;o_md++)
- {
- for (o_dly=0;o_dly<16;o_dly++)
- {
- int j_pass=0;
- // OUT: o_dly:o_md
- if (o_md!=0 && o_md!=1) continue;
- for (i_md=0;i_md<8;i_md++)
- {
- if (i_md==2) continue;
- if (i_md==3) continue;
- if (i_md==4) continue;
- if (i_md==5) continue;
- for (i_dly=0;i_dly<16;i_dly++)
- {
- // IN: i_dly:i_md
- int tst, failed, failed_total;
- failed_total = 0;
- UART0_puts("r");
- UART0_puthex4(o_dly); UART0_puthex4(o_md);
- UART0_puthex4(i_dly); UART0_puthex4(i_md);
- #ifndef REPORT_ONLY_PASS
- UART0_puts("rsdram_test");
- UART0_puts(" OUT ");
- UART0_puthex4(o_dly); UART0_puts("-"); UART0_puthex4(o_md);
- UART0_puts(" IN ");
- UART0_puthex4(i_dly); UART0_puts("-"); UART0_puthex4(i_md);
- UART0_puts("n");
- #endif
- o_md = 0;
- regs0->sdram_clko_cfg = (o_dly<<3)|(o_md);
- if (i_bypass==0) {
- regs0->sdram_clki_cfg = (i_dly<<3)|(i_md);
- } else {
- regs0->sdram_clki_dly_cfg = (1<<7) | (i_dly<<3)|(i_md);
- }
- regs0->sdctrl_mrs = 1;
- for (tst=0;tst<1024;tst++) asm volatile ("nop");
- for (tst=0;tst<TLEN/4;tst++) p[tst] = 0;
- // write 0
- for (tst=0;tst<TLEN/4;tst++) p[tst] = 0x00000000;
- flush_lbc();
- for (tst=failed=0;tst<TLEN/4;tst++) if (p[tst]!=0x00000000) {
- failed++;}
- #ifdef REPORT_ONLY_PASS
- if (failed!=0) continue;
- #else
- if (failed!=0) {
- UART0_puts("ttst0 failed "); UART0_puthex(failed);
- UART0_puts("n");
- }
- // else UART0_puts("ttst0 okn");
- #endif
- failed_total += failed;
- // write 00000000-ffffffff
- for (tst=0;tst<TLEN/4;tst+=2) {
- p[tst+0] = 0xffffffff;
- p[tst+1] = 0x00000000;
- }
- flush_lbc();
- for (tst=failed=0;tst<TLEN/4;tst+=2) {
- if (p[tst+0]!=0xffffffff) {failed++;}
- if (p[tst+1]!=0x00000000) {failed++;}
- }
- #ifdef REPORT_ONLY_PASS
- if (failed!=0) continue;
- #else
- if (failed!=0) {
- UART0_puts("ttst1 failed "); UART0_puthex(failed);
- UART0_puts("n");
- }
- // else UART0_puts("ttst1 okn");
- #endif
- failed_total += failed;
- // write 5555aaaa
- for (tst=0;tst<TLEN/4;tst+=2) {
- p[tst+0] = 0x5555aaaa;
- p[tst+1] = 0xffff0000;
- }
- flush_lbc();
- for (tst=failed=0;tst<TLEN/4;tst+=2) {
- if (p[tst+0]!=0x5555aaaa) {failed++;}
- if (p[tst+1]!=0xffff0000) {failed++;}
- }
- #ifdef REPORT_ONLY_PASS
- if (failed!=0) continue;
- #else
- if (failed!=0) {
- UART0_puts("ttst2 failed "); UART0_puthex(failed);
- UART0_puts("n");
- }
- // else UART0_puts("ttst2 okn");
- #endif
- failed_total += failed;
- // write sequential number
- for (tst=0;tst<TLEN/4;tst++) p[tst] = tst;
- flush_lbc();
- for (tst=failed=0;tst<TLEN/4;tst++) if (p[tst]!=(UINT32)tst) {failed++;}
- #ifdef REPORT_ONLY_PASS
- if (failed!=0) continue;
- #else
- if (failed!=0) {
- UART0_puts("ttst3 failed "); UART0_puthex(failed);
- UART0_puts("n");
- }
- // else UART0_puts("ttst3 okn");
- #endif
- failed_total += failed;
- // write sequential number and toggle pattern
- for (tst=0;tst<TLEN/4;tst++) p[tst] = (tst<<16)|(0x55aa);
- flush_lbc();
- for (tst=failed=0;tst<TLEN/4;tst++) if (p[tst]!=(((UINT32)tst<<16)|(0x55aa))) {failed++;}
- #ifdef REPORT_ONLY_PASS
- if (failed!=0) continue;
- #else
- if (failed!=0) {
- UART0_puts("ttst4 failed "); UART0_puthex(failed);
- UART0_puts("n");
- }
- // else UART0_puts("ttst4 okn");
- #endif
- failed_total += failed;
- #ifdef REPORT_ONLY_PASS
- if (failed_total==0)
- #endif
- {
- UART0_puts("r sdram_test config ");
- if (i_bypass) UART0_puts("bypass ");
- UART0_puts(" OUT ");
- UART0_puthex4(o_dly); UART0_puts("-"); UART0_puthex4(o_md);
- UART0_puts(" IN ");
- UART0_puthex4(i_dly); UART0_puts("-"); UART0_puthex4(i_md);
- if (failed_total)
- UART0_puts(" failedn");
- else
- UART0_puts(" passedn");
- }
- if (failed_total==0)
- j_pass++;
- }
- }
- #ifdef REPORT_ONLY_PASS
- if (j_pass)
- #endif
- {
- UART0_puts("r sdram_test config ");
- UART0_puts(" OUT ");
- UART0_puthex4(o_dly); UART0_puts("-"); UART0_puthex4(o_md);
- UART0_puts(" passed ");
- UART0_puthex4(j_pass);
- UART0_puts("n");
- }
- }
- }
- }
- // }
- // }
- // }
- // }
- // }
- UART0_puts("sdram test finishedn");
- while (1);
- }
