Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.
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diff --git a/firmware/target/arm/as3525/ata_sd_as3525.c b/firmware/target/arm/as3525/ata_sd_as3525.c index 802a649..f09a7dd 100644 @@ -244,7 +244,7 @@ static int sd_init_card(const int drive) { unsigned long response; long init_timeout; - bool sdhc; + bool sdv2 = false; unsigned long temp_reg[4]; int i; @@ -253,10 +253,9 @@ static int sd_init_card(const int drive) mci_delay(); - sdhc = false; if(send_cmd(drive, SD_SEND_IF_COND, 0x1AA, MCI_RESP|MCI_ARG, &response)) if((response & 0xFFF) == 0x1AA) - sdhc = true; + sdv2 = true; /* timeout for initialization is 1sec, from SD Specification 2.00 */ init_timeout = current_tick + HZ; @@ -274,7 +273,7 @@ static int sd_init_card(const int drive) } /* acmd41 */ - if(!send_cmd(drive, SD_APP_OP_COND, (sdhc ? 0x40FF8000 : (1<<23)), + if(!send_cmd(drive, SD_APP_OP_COND, 0x00FF8000 | (sdv2 ? (1<<30) : 0), MCI_RESP|MCI_ARG, &card_info[drive].ocr)) { return -4; @@ -323,12 +322,17 @@ static int sd_init_card(const int drive) MCI_CLOCK(drive) |= MCI_CLOCK_BYPASS; /* full speed for controller clock */ mci_delay(); + int x = sd_get_status(drive); + if(x) + panicf("fff %d", x); + /* * enable bank switching * without issuing this command, we only have access to 1/4 of the blocks * of the first bank (0x1E9E00 blocks, which is the size reported in the * CSD register) */ + if(drive == INTERNAL_AS3525) { const int ret = sd_select_bank(-1); @@ -555,6 +559,86 @@ static int sd_wait_for_state(const int drive, unsigned int state) } } +int sd_status[2][512/4]; +int sd_get_status(int drive) +{ + int ret; + unsigned long response; + unsigned loops = 0; + + mutex_lock(&sd_mtx); + + do { + if(loops++ > PL180_MAX_TRANSFER_ERRORS) + panicf("send_status error : 0x%x", transfer_error[drive]); + + ret = sd_wait_for_state(drive, SD_TRAN); + if (ret < 0) + { + ret -= 2; + goto error; + } + + if( !send_cmd(drive, SD_APP_CMD, card_info[drive].rca, MCI_RESP|MCI_ARG, &response) ) + { + ret = -66; + goto error; + } + + if(!(response & (1<<5)) ) + { + ret = -67; + goto error; + } + + mci_delay(); + + if(!send_cmd(drive, SD_SEND_STATUS, 0, MCI_NO_FLAGS, NULL)) + { + ret = -2; + goto error; + } + + mci_delay(); + + dma_retain(); + /* we don't use the uncached buffer here, because we need the + * physical memory address for DMA transfers */ + dma_enable_channel(0, MCI_FIFO(drive), aligned_buffer, + (drive == 0) ? DMA_PERI_SD : DMA_PERI_SD_SLOT, + DMAC_FLOWCTRL_PERI_PERI_TO_MEM, false, true, 0, DMA_S8, + NULL); + + MCI_DATA_TIMER(drive) = SD_MAX_WRITE_TIMEOUT; + MCI_DATA_LENGTH(drive) = 512; + MCI_DATA_CTRL(drive) = (1<<0) /* enable */ | + (1<<1) /* transfer direction */ | + (1<<3) /* DMA */ | + (9<<4) /* 2^9 = 512 */ ; + + wakeup_wait(&transfer_completion_signal, TIMEOUT_BLOCK); + + dma_release(); + + mci_delay(); + + ret = sd_wait_for_state(drive, SD_TRAN); + if (ret < 0) + { + ret -= 4; + goto error; + } + } while(transfer_error[drive]); + + memcpy(sd_status[drive], uncached_buffer, 512); + + ret = 0; + +error: + mutex_lock(&sd_mtx); + return ret; +} + static int sd_select_bank(signed char bank) { int ret; diff --git a/firmware/target/arm/as3525/debug-as3525.c b/firmware/target/arm/as3525/debug-as3525.c index b0ee8ef..b74a263 100644 @@ -348,6 +348,33 @@ bool __dbg_ports(void) lcd_clear_display(); lcd_setfont(FONT_SYSFIXED); + extern int** sd_status; + int fd; + +/* + int ret; + ret = sd_get_status(0); + if(ret) + panicf("c 0 %d", ret); +*/ + fd = creat("/status.0"); + if(fd >= 0) + { + write(fd, sd_status[0], 512); + close(fd); + } +/* + ret = sd_get_status(1); + if(ret) + panicf("c 1 %d", ret); +*/ + fd = creat("/status.1"); + if(fd >= 0) + { + write(fd, sd_status[1], 512); + close(fd); + } + while(1) { line = 0; |