mirror of
https://github.com/gwenhael-le-moine/x49gp.git
synced 2024-12-25 21:58:49 +01:00
Implemented more SD Card commands.
This commit is contained in:
claudiol
parent
9118d40ca4
commit
dcdcf7756e
1 changed files with 85 additions and 17 deletions
102
s3c2410_sdi.c
102
s3c2410_sdi.c
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@ -54,6 +54,8 @@ typedef struct {
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unsigned int write_index;
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int multiple_block;
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int acmd;
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int card_state;
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} s3c2410_sdi_t;
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@ -227,17 +229,18 @@ s3c2410_sdi_read(void *opaque, target_phys_addr_t offset)
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switch (offset) {
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case S3C2410_SDI_SDIDAT:
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if( (sdi->sdidcon&0x3000)==0x2000) {
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read_avail = sdi->nr_read_data - sdi->read_index;
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if (read_avail > 0) {
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*(reg->datap) = sdi->read_data[sdi->read_index++] << 24;
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*(reg->datap) = sdi->read_data[sdi->read_index++] << 0;
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if ((sdi->nr_read_data - sdi->read_index) > 0) {
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*(reg->datap) |= sdi->read_data[sdi->read_index++] << 16;
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*(reg->datap) |= sdi->read_data[sdi->read_index++] << 8;
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}
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if ((sdi->nr_read_data - sdi->read_index) > 0) {
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*(reg->datap) |= sdi->read_data[sdi->read_index++] << 8;
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*(reg->datap) |= sdi->read_data[sdi->read_index++] << 16;
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}
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if ((sdi->nr_read_data - sdi->read_index) > 0) {
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*(reg->datap) |= sdi->read_data[sdi->read_index++] << 0;
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*(reg->datap) |= sdi->read_data[sdi->read_index++] << 24;
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}
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if (sdi->read_index >= sdi->nr_read_data) {
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@ -253,12 +256,15 @@ s3c2410_sdi_read(void *opaque, target_phys_addr_t offset)
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sdi->sdidsta |= (1 << 9) | (1 << 4);
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} else {
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sdi->nr_read_data = 0;
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sdi->sdidcon&=~0x3000;
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}
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}
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read_avail = sdi->nr_read_data - sdi->read_index;
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sdi->sdidcnt = read_avail;
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}
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else *(reg->datap)=0;
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}
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break;
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@ -275,15 +281,18 @@ s3c2410_sdi_read(void *opaque, target_phys_addr_t offset)
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break;
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case S3C2410_SDI_SDIDSTA:
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*(reg->datap) &= ~(0x0f);
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*(reg->datap) &= ~(0x03);
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if( (sdi->sdidcon&0x3000)==0x1000) {
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*(reg->datap) |= (1 << 3);
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sdi->sdidcon&=~0x3000; // BACK TO READY STATE
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}
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read_avail = sdi->nr_read_data - sdi->read_index;
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if (read_avail) {
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if ( ((sdi->sdidcon&0x3000)==0x2000) && read_avail) {
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*(reg->datap) |= (1 << 0);
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}
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write_avail = sdi->nr_write_data - sdi->write_index;
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if (write_avail) {
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if ( ((sdi->sdidcon&0x3000)==0x3000) && write_avail) {
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*(reg->datap) |= (1 << 1);
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}
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}
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@ -349,8 +358,11 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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if (data & (1 << 9)) {
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sdi->sdicsta |= (1 << 9);
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switch (data & 0x3f) {
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switch ((data & 0x3f)+(sdi->acmd<<8)) {
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case 256:
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case 0:
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sdi->acmd=0;
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sdi->card_state=0;
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break;
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case 1:
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@ -360,6 +372,7 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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break;
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case 2:
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sdi->card_state=2;
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sdi->sdicsta |= 0x3f;
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sdi->sdirsp0 = 0x02000053;
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sdi->sdirsp1 = 0x444d3036;
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@ -368,8 +381,12 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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break;
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case 3:
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sdi->card_state=3;
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sdi->sdicsta |= 3;
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sdi->sdirsp0 = 0x00000700;
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sdi->sdirsp0 = sdi->card_state<<9;
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if(sdi->card_state==5) sdi->sdirsp0 |=0x100;
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if(sdi->acmd) sdi->sdirsp0|=0x20;
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sdi->sdirsp0|=0x12340000; // PUBLISHED RCA NUMBER
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sdi->sdirsp1 = 0xff000000;
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break;
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@ -378,6 +395,9 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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sdi->sdirsp0 = 0x00000900;
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sdi->sdirsp1 = 0xff000000;
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break;
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case 8:
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sdi->sdicsta |=0x400; // SEND TIMEOUT IMMEDIATELY
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break;
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case 9:
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{
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@ -418,6 +438,14 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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sdi->sdirsp0 = 0x00000900;
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sdi->sdirsp1 = 0xff000000;
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break;
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case 16:
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sdi->sdicsta |= 16;
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sdi->sdicsta |= data & 0x3f;
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sdi->sdirsp0 = sdi->card_state<<9;
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if(sdi->card_state==5) sdi->sdirsp0 |=0x100;
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if(sdi->acmd) sdi->sdirsp0|=0x20;
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sdi->sdirsp1 = 0xff000000;
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break;
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case 18:
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sdi->multiple_block = 1;
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@ -453,12 +481,49 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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sdi->sdirsp1 = 0xff000000;
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sdi->sdidcnt = (1 << 12) | write_avail;
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break;
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case 256+55:
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case 55:
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sdi->acmd=1;
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sdi->sdicsta |= data & 0x3f;
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sdi->sdirsp0 = sdi->card_state<<9;
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if(sdi->card_state==5) sdi->sdirsp0 |=0x100;
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if(sdi->acmd) sdi->sdirsp0|=0x20;
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sdi->sdirsp1 = 0xff000000;
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break;
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case 256+41:
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// ACMD41
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sdi->card_state= 1; // READY
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sdi->sdicsta |= data & 0x3f;
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sdi->sdirsp0 = 0x80ff8000;
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sdi->sdirsp1 = 0xff000000;
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sdi->acmd=0;
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break;
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case 256+42:
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// ACMD42
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sdi->sdicsta |= data & 0x3f;
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sdi->sdirsp0 = sdi->card_state<<9;
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if(sdi->card_state==5) sdi->sdirsp0 |=0x100;
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if(sdi->acmd) sdi->sdirsp0|=0x20;
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sdi->sdirsp1 = 0xff000000;
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break;
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case 256+51:
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// ACMD51
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sdi->sdicsta |= 51;
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sdi->sdirsp0 = 0x0;
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sdi->sdirsp1 = 0x01050000;
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sdi->sdirsp2 = 0x0;
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sdi->sdirsp3 = 0x0;
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sdi->acmd=0;
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break;
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default:
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printf("unhandled SDcard CMD %u\n", (data & 0x3f));
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sdi->sdicsta |= (1 << 10);
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sdi->sdicsta &= ~(1 << 9);
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sdi->acmd=0;
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// abort();
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break;
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@ -469,18 +534,18 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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case S3C2410_SDI_SDIDAT:
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*(reg->datap) = data;
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if((sdi->sdidcon&0x3000)==0x3000) {
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write_avail = sdi->nr_write_data - sdi->write_index;
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if (write_avail > 0) {
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 24) & 0xff;
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 0) & 0xff;
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if ((sdi->nr_write_data - sdi->write_index) > 0) {
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 16) & 0xff;
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 8) & 0xff;
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}
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if ((sdi->nr_write_data - sdi->write_index) > 0) {
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 8) & 0xff;
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 16) & 0xff;
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}
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if ((sdi->nr_write_data - sdi->write_index) > 0) {
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 0) & 0xff;
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sdi->write_data[sdi->write_index++] = (*(reg->datap) >> 24) & 0xff;
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}
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if (sdi->write_index >= sdi->nr_write_data) {
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@ -491,14 +556,17 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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sdcard_write_prepare(sdi);
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} else {
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sdi->nr_write_data = 0;
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sdi->sdidcon&=~0x3000;
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}
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sdi->sdidsta |= (1 << 9) | (1 << 4);
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sdi->sdidsta |= (1 << 9) | (1 << 4) | (1<<3);
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}
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write_avail = sdi->nr_write_data - sdi->write_index;
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sdi->sdidcnt = write_avail;
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}
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}
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break;
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@ -507,7 +575,7 @@ s3c2410_sdi_write(void *opaque, target_phys_addr_t offset, uint32_t data)
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break;
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case S3C2410_SDI_SDIDSTA:
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*(reg->datap) &= ~(data & 0x3f8);
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*(reg->datap) &= ~(data & 0x7fc);
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break;
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case S3C2410_SDI_SDIFSTA:
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