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arm/gp32/smc/smc.c: Fix warnings and clean up

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This commit is contained in:
Joel Sherrill
2014-10-13 13:18:55 -05:00
parent 21021feb60
commit 57e8a0dc90
1 changed files with 261 additions and 293 deletions
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554
c/src/lib/libbsp/arm/gp32/smc/smc.c
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@@ -1,9 +1,10 @@
/* smc.c -- s3c2400 smc disk block device implementation /*
* s3c2400 smc disk block device implementation
Squidge's SMC Low-level access routines. *
Inspired and derived from routines provided by Samsung Electronics M/M R&D Center & FireFly. * Squidge's SMC Low-level access routines.
* Inspired and derived from routines provided by Samsung Electronics
*/ * M/M R&D Center & FireFly.
*/
#include <rtems.h> #include <rtems.h>
#include <rtems/libio.h> #include <rtems/libio.h>
@@ -20,37 +21,36 @@
#include <s3c24xx.h> #include <s3c24xx.h>
#define SMC_DEVICE_NAME "/dev/smc" #define SMC_DEVICE_NAME "/dev/smc"
#define SMC_SAMSUNG_ID 0xEC #define SMC_SAMSUNG_ID 0xEC
#define SMC_TOSHIBA_ID 0x98 #define SMC_TOSHIBA_ID 0x98
#define SMC_16MB 0x73 #define SMC_16MB 0x73
#define SMC_32MB 0x75 #define SMC_32MB 0x75
#define SMC_64MB 0x76 #define SMC_64MB 0x76
#define SMC_128MB 0x79 #define SMC_128MB 0x79
#define LBA_UNUSED 0x80000000 #define LBA_UNUSED 0x80000000
#define LBA_RESERVED 0x80000001 #define LBA_RESERVED 0x80000001
#define BLOCK_UNUSED 0x80000000 #define BLOCK_UNUSED 0x80000000
#define BLOCK_RESERVED 0x80000001 #define BLOCK_RESERVED 0x80000001
/* SmartMedia Command */ /* SmartMedia Command */
#define SEQ_DATA_INPUT_CMD 0x80 #define SEQ_DATA_INPUT_CMD 0x80
#define READ1_CMD 0x00 #define READ1_CMD 0x00
#define READ1_1_CMD 0x01 #define READ1_1_CMD 0x01
#define READ2_CMD 0x50 #define READ2_CMD 0x50
#define READ_ID_CMD 0x90 #define READ_ID_CMD 0x90
#define RESET_CMD 0xFF #define RESET_CMD 0xFF
#define PAGE_PROGRAM_CMD 0x10 #define PAGE_PROGRAM_CMD 0x10
#define BLOCK_ERASE_CMD 0x60 #define BLOCK_ERASE_CMD 0x60
#define BLOCK_ERASE_CFM_CMD 0xD0 #define BLOCK_ERASE_CFM_CMD 0xD0
#define READ_STATUS_CMD 0x70 #define READ_STATUS_CMD 0x70
#define RESET_PTR_CMD 0x00 #define RESET_PTR_CMD 0x00
/* Internal SMC disk descriptor */ /* Internal SMC disk descriptor */
struct SMC_INFO struct SMC_INFO {
{
uint8_t id[3]; uint8_t id[3];
uint32_t bytes_per_page; uint32_t bytes_per_page;
uint32_t pages_per_block; uint32_t pages_per_block;
@@ -112,7 +112,7 @@ static uint8_t sm_read(void)
returns 1 on success, 0 on fail returns 1 on success, 0 on fail
*/ */
#if UNUSED #if UNUSED
static uint8_t sm_status() static static uint8_t sm_status()
{ {
uint8_t status; uint8_t status;
@@ -133,9 +133,8 @@ static uint8_t sm_status()
} }
#endif #endif
void smc_read_id( uint8_t* buf, uint32_t length) static void smc_read_id( uint8_t* buf, uint32_t length)
{ {
uint32_t i; uint32_t i;
sm_chip_en(); sm_chip_en();
@@ -160,58 +159,57 @@ void smc_read_id( uint8_t* buf, uint32_t length)
} }
/* read an entire logical page of 512 bytes.*/ /* read an entire logical page of 512 bytes.*/
uint8_t smc_read_page (uint32_t lpage, uint8_t* buf) static uint8_t smc_read_page (uint32_t lpage, uint8_t* buf)
{ {
uint32_t block, page, i; uint32_t block, page, i;
/* convert logical block to physical block /* convert logical block to physical block
and then convert into page suitable for read1 command... and then convert into page suitable for read1 command...
*/ */
block = lpage >> 5; block = lpage >> 5;
if (smc_l2p[block] < LBA_UNUSED) { if (smc_l2p[block] < LBA_UNUSED) {
page = smc_l2p[block] << 5; page = smc_l2p[block] << 5;
page += (lpage & 0x1F); page += (lpage & 0x1F);
} }
else else
return 0; return 0;
sm_chip_en(); sm_chip_en();
sm_cle_en(); sm_cle_en();
sm_write_en(); sm_write_en();
sm_write(READ1_CMD); sm_write(READ1_CMD);
sm_write_dis(); sm_write_dis();
sm_cle_dis(); sm_cle_dis();
sm_ale_en(); sm_ale_en();
sm_write_en(); sm_write_en();
sm_write( 0x00); sm_write( 0x00);
sm_write( (uint8_t)(page >> 0)); sm_write( (uint8_t)(page >> 0));
sm_write( (uint8_t)(page >> 8)); sm_write( (uint8_t)(page >> 8));
if (smc_info.mb >= 64) sm_write( (uint8_t)(page >> 16)); if (smc_info.mb >= 64)
sm_write_dis(); sm_write( (uint8_t)(page >> 16));
sm_ale_dis(); sm_write_dis();
sm_ale_dis();
sm_busy(); sm_busy();
sm_read_en(); sm_read_en();
for (i = 0; i < 512; i++) for (i = 0; i < 512; i++) {
{ *buf = sm_read();
*buf = sm_read(); buf++;
buf++; }
} sm_read_dis();
sm_read_dis(); sm_chip_dis();
sm_chip_dis();
sm_busy(); sm_busy();
return 1; return 1;
} }
void smc_read_spare( uint32_t page, uint8_t* buf, uint8_t length) static void smc_read_spare( uint32_t page, uint8_t* buf, uint8_t length)
{ {
uint32_t i; uint32_t i;
sm_chip_en(); sm_chip_en();
sm_cle_en(); sm_cle_en();
@@ -225,21 +223,23 @@ void smc_read_spare( uint32_t page, uint8_t* buf, uint8_t length)
sm_write( 0x00); sm_write( 0x00);
sm_write( (uint8_t)(page >> 0)); sm_write( (uint8_t)(page >> 0));
sm_write( (uint8_t)(page >> 8)); sm_write( (uint8_t)(page >> 8));
if (smc_info.mb >= 64) sm_write( (uint8_t)(page >> 16)); if (smc_info.mb >= 64)
sm_write( (uint8_t)(page >> 16));
sm_read_en(); sm_read_en();
sm_ale_dis(); sm_ale_dis();
sm_busy(); sm_busy();
sm_read_en(); sm_read_en();
for (i=0;i<length;i++) *(buf+i) = sm_read(); for (i=0;i<length;i++)
*(buf+i) = sm_read();
sm_read_dis(); sm_read_dis();
sm_chip_dis(); sm_chip_dis();
} }
void smc_make_l2p(void) static void smc_make_l2p(void)
{ {
uint32_t pblock, i, j, lblock, zone, count, cnt1, cnt2, cnt3; uint32_t pblock, i, j, lblock, zone, count, cnt1, cnt2, cnt3;
uint8_t data[512]; uint8_t data[512];
@@ -248,47 +248,39 @@ void smc_make_l2p(void)
cnt2 = 0; cnt2 = 0;
cnt3 = 0; cnt3 = 0;
for (i=0;i<0x2000;i++) for (i=0;i<0x2000;i++) {
{
smc_l2p[i] = LBA_RESERVED; smc_l2p[i] = LBA_RESERVED;
smc_p2l[i] = BLOCK_RESERVED; smc_p2l[i] = BLOCK_RESERVED;
} }
for (pblock=0;pblock<smc_info.blocks;pblock++)
{ for (pblock=0;pblock<smc_info.blocks;pblock++) {
/* read physical block - first page */ /* read physical block - first page */
smc_read_spare( pblock*smc_info.pages_per_block, (uint8_t*)&data, 16); smc_read_spare( pblock*smc_info.pages_per_block, (uint8_t*)&data, 16);
zone = pblock >> 10; /* divide by 1024 to get zone */ zone = pblock >> 10; /* divide by 1024 to get zone */
if ((data[5] == 0xFF) && ((data[6]&0xF8) == 0x10)) if ((data[5] == 0xFF) && ((data[6]&0xF8) == 0x10)) {
{
lblock = ((((data[6]<<8)|(data[7]<<0)) >> 1) & 0x03FF) + (zone * 1000); lblock = ((((data[6]<<8)|(data[7]<<0)) >> 1) & 0x03FF) + (zone * 1000);
smc_l2p[lblock] = pblock; smc_l2p[lblock] = pblock;
smc_p2l[pblock] = lblock; smc_p2l[pblock] = lblock;
cnt1++; cnt1++;
} } else {
else
{
count = 0; count = 0;
for (j=0;j<16;j++) for (j=0;j<16;j++) {
{
if (data[j] == 0xFF) count++; if (data[j] == 0xFF) count++;
} }
if (count == 16) if (count == 16) {
{ smc_p2l[pblock] = BLOCK_UNUSED;
smc_p2l[pblock] = BLOCK_UNUSED; cnt2++;
cnt2++; } else {
} smc_p2l[pblock] = BLOCK_RESERVED;
else cnt3++;
{
smc_p2l[pblock] = BLOCK_RESERVED;
cnt3++;
} }
} }
} }
} }
void smc_detect( uint8_t id1, uint8_t id2, uint8_t id3) static void smc_detect( uint8_t id1, uint8_t id2, uint8_t id3)
{ {
smc_info.id[0] = id1; smc_info.id[0] = id1;
smc_info.id[1] = id2; smc_info.id[1] = id2;
@@ -298,13 +290,10 @@ void smc_detect( uint8_t id1, uint8_t id2, uint8_t id3)
smc_info.pages_per_block = 0; smc_info.pages_per_block = 0;
smc_info.blocks = 0; smc_info.blocks = 0;
switch (id1) switch (id1) {
{
case SMC_SAMSUNG_ID: case SMC_SAMSUNG_ID:
case SMC_TOSHIBA_ID: case SMC_TOSHIBA_ID: {
{ switch (id2) {
switch (id2)
{
case SMC_16MB : smc_info.mb = 16; break; case SMC_16MB : smc_info.mb = 16; break;
case SMC_32MB : smc_info.mb = 32; break; case SMC_32MB : smc_info.mb = 32; break;
case SMC_64MB : smc_info.mb = 64; break; case SMC_64MB : smc_info.mb = 64; break;
@@ -314,8 +303,7 @@ void smc_detect( uint8_t id1, uint8_t id2, uint8_t id3)
} }
} }
switch (smc_info.mb) switch (smc_info.mb) {
{
case 16 : smc_info.bytes_per_page = 512; smc_info.pages_per_block = 32; smc_info.blocks = 0x0400; break; case 16 : smc_info.bytes_per_page = 512; smc_info.pages_per_block = 32; smc_info.blocks = 0x0400; break;
case 32 : smc_info.bytes_per_page = 512; smc_info.pages_per_block = 32; smc_info.blocks = 0x0800; break; case 32 : smc_info.bytes_per_page = 512; smc_info.pages_per_block = 32; smc_info.blocks = 0x0800; break;
case 64 : smc_info.bytes_per_page = 512; smc_info.pages_per_block = 32; smc_info.blocks = 0x1000; break; case 64 : smc_info.bytes_per_page = 512; smc_info.pages_per_block = 32; smc_info.blocks = 0x1000; break;
@@ -323,220 +311,200 @@ void smc_detect( uint8_t id1, uint8_t id2, uint8_t id3)
} }
} }
void smc_init( void) static void smc_init( void)
{ {
unsigned char buf[32]; unsigned char buf[32];
int i; int i;
/* reset smc */ /* reset smc */
sm_chip_en(); sm_chip_en();
sm_cle_en(); sm_cle_en();
sm_write_en(); sm_write_en();
sm_write(0xFF); sm_write(0xFF);
sm_write_dis(); sm_write_dis();
sm_cle_dis(); sm_cle_dis();
for(i=0;i<10;i++); for(i=0;i<10;i++);
sm_busy(); sm_busy();
sm_chip_dis(); sm_chip_dis();
smc_read_id (buf, 4); smc_read_id (buf, 4);
smc_detect (buf[0], buf[1], buf[2]); smc_detect (buf[0], buf[1], buf[2]);
printk ("SMC: [%02X-%02X-%02X-%02X]\n", buf[0], buf[1], buf[2], buf[3]); printk ("SMC: [%02X-%02X-%02X-%02X]\n", buf[0], buf[1], buf[2], buf[3]);
printk ("SMC size: %dMB detected\n",smc_info.mb); printk ("SMC size: %dMB detected\n",smc_info.mb);
smc_make_l2p(); smc_make_l2p();
} }
/********** /**********
* Function: sm_ECCEncode (completely ripped, unaltered, from the samsung routines) * Function: sm_ECCEncode (completely ripped, unaltered, from the samsung routines)
* Remark: * Remark:
* - adopted from "ECC Algorithm for SmartMedia V3.0" * - adopted from "ECC Algorithm for SmartMedia V3.0"
* by Memory Product & Technology, Samsung Electronics Co. (ecc30.pdf) * by Memory Product & Technology, Samsung Electronics Co. (ecc30.pdf)
**********/ **********/
int sm_ECCEncode(const uint8_t * p_buf, uint8_t * p_ecc) int sm_ECCEncode(const uint8_t * p_buf, uint8_t * p_ecc)
{ {
uint32_t i, j; uint32_t i, j;
uint8_t paritr[256], tmp = 0, tmp2 = 0; uint8_t paritr[256], tmp = 0, tmp2 = 0;
uint8_t data_table0[16] = { 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0 }; uint8_t data_table0[16] = { 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0 };
uint8_t data_table1[16] = { 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1 }; uint8_t data_table1[16] = { 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1 };
uint8_t sum = 0, paritc = 0; uint8_t sum = 0, paritc = 0;
uint8_t parit0c = 0, parit1c = 0, parit2c = 0, parit3c = 0; uint8_t parit0c = 0, parit1c = 0, parit2c = 0, parit3c = 0;
uint8_t parit4c = 0, parit5c = 0, parit6c = 0, parit7c = 0; uint8_t parit4c = 0, parit5c = 0, parit6c = 0, parit7c = 0;
uint8_t parit1_1, parit1_2, parit2_1, parit2_2, parit4_1, parit4_2; uint8_t parit1_1, parit1_2, parit2_1, parit2_2, parit4_1, parit4_2;
uint8_t parit8_1 = 0, parit8_2 = 0, parit16_1 = 0, parit16_2 = 0, parit32_1 = 0, parit32_2 = 0; uint8_t parit8_1 = 0, parit8_2 = 0, parit16_1 = 0, parit16_2 = 0, parit32_1 = 0, parit32_2 = 0;
uint8_t parit64_1 = 0, parit64_2 = 0, parit128_1 = 0, parit128_2 = 0, parit256_1 = 0, parit256_2 = 0; uint8_t parit64_1 = 0, parit64_2 = 0, parit128_1 = 0, parit128_2 = 0, parit256_1 = 0, parit256_2 = 0;
uint8_t parit512_1 = 0, parit512_2 = 0, parit1024_1 = 0, parit1024_2 = 0; uint8_t parit512_1 = 0, parit512_2 = 0, parit1024_1 = 0, parit1024_2 = 0;
uint8_t* paritr_ptr; uint8_t* paritr_ptr;
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; ++i, ++paritr_ptr, ++p_buf) for (i = 0; i < 256; ++i, ++paritr_ptr, ++p_buf) {
{ paritc ^= *p_buf;
paritc ^= *p_buf; tmp = (*p_buf & 0xf0) >> 4;
tmp = (*p_buf & 0xf0) >> 4; tmp2 = *p_buf & 0x0f;
tmp2 = *p_buf & 0x0f;
switch (tmp) switch (tmp) {
{ case 0:
case 0: case 3:
case 3: case 5:
case 5: case 6:
case 6: case 9:
case 9: case 10:
case 10: case 12:
case 12: case 15:
case 15: *paritr_ptr = *(data_table0 + tmp2);
*paritr_ptr = *(data_table0 + tmp2); break;
break;
case 1: case 1:
case 2: case 2:
case 4: case 4:
case 7: case 7:
case 8: case 8:
case 11: case 11:
case 13: case 13:
case 14: case 14:
*paritr_ptr = *(data_table1 + tmp2); *paritr_ptr = *(data_table1 + tmp2);
break; break;
} }
} }
parit0c = (paritc & 0x01) ? 1 : 0; parit0c = (paritc & 0x01) ? 1 : 0;
parit1c = (paritc & 0x02) ? 1 : 0; parit1c = (paritc & 0x02) ? 1 : 0;
parit2c = (paritc & 0x04) ? 1 : 0; parit2c = (paritc & 0x04) ? 1 : 0;
parit3c = (paritc & 0x08) ? 1 : 0; parit3c = (paritc & 0x08) ? 1 : 0;
parit4c = (paritc & 0x10) ? 1 : 0; parit4c = (paritc & 0x10) ? 1 : 0;
parit5c = (paritc & 0x20) ? 1 : 0; parit5c = (paritc & 0x20) ? 1 : 0;
parit6c = (paritc & 0x40) ? 1 : 0; parit6c = (paritc & 0x40) ? 1 : 0;
parit7c = (paritc & 0x80) ? 1 : 0; parit7c = (paritc & 0x80) ? 1 : 0;
parit1_2 = parit6c ^ parit4c ^ parit2c ^ parit0c; parit1_2 = parit6c ^ parit4c ^ parit2c ^ parit0c;
parit1_1 = parit7c ^ parit5c ^ parit3c ^ parit1c; parit1_1 = parit7c ^ parit5c ^ parit3c ^ parit1c;
parit2_2 = parit5c ^ parit4c ^ parit1c ^ parit0c; parit2_2 = parit5c ^ parit4c ^ parit1c ^ parit0c;
parit2_1 = parit7c ^ parit6c ^ parit3c ^ parit2c; parit2_1 = parit7c ^ parit6c ^ parit3c ^ parit2c;
parit4_2 = parit3c ^ parit2c ^ parit1c ^ parit0c; parit4_2 = parit3c ^ parit2c ^ parit1c ^ parit0c;
parit4_1 = parit7c ^ parit6c ^ parit5c ^ parit4c; parit4_1 = parit7c ^ parit6c ^ parit5c ^ parit4c;
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; ++i, ++paritr_ptr) for (i = 0; i < 256; ++i, ++paritr_ptr) {
{ sum ^= *paritr_ptr;
sum ^= *paritr_ptr; }
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 2, paritr_ptr += 2) for (i = 0; i < 256; i += 2, paritr_ptr += 2) {
{ parit8_2 ^= *paritr_ptr;
parit8_2 ^= *paritr_ptr; }
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 4, paritr_ptr += 4) for (i = 0; i < 256; i += 4, paritr_ptr += 4) {
{ parit16_2 ^= *paritr_ptr;
parit16_2 ^= *paritr_ptr; parit16_2 ^= *(paritr_ptr + 1);
parit16_2 ^= *(paritr_ptr + 1); }
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 8, paritr_ptr += 8) for (i = 0; i < 256; i += 8, paritr_ptr += 8) {
{ for (j = 0; j <= 3; ++j) {
for (j = 0; j <= 3; ++j) parit32_2 ^= *(paritr_ptr + j);
{ }
parit32_2 ^= *(paritr_ptr + j); }
}
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 16, paritr_ptr += 16) for (i = 0; i < 256; i += 16, paritr_ptr += 16) {
{ for (j = 0; j <= 7; ++j) {
for (j = 0; j <= 7; ++j) parit64_2 ^= *(paritr_ptr + j);
{ }
parit64_2 ^= *(paritr_ptr + j); }
}
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 32, paritr_ptr += 32) for (i = 0; i < 256; i += 32, paritr_ptr += 32) {
{ for (j = 0; j <= 15; ++j) {
for (j = 0; j <= 15; ++j) parit128_2 ^= *(paritr_ptr + j);
{ }
parit128_2 ^= *(paritr_ptr + j); }
}
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 64, paritr_ptr += 64) for (i = 0; i < 256; i += 64, paritr_ptr += 64) {
{ for (j = 0; j <= 31; ++j) {
for (j = 0; j <= 31; ++j) parit256_2 ^= *(paritr_ptr + j);
{ }
parit256_2 ^= *(paritr_ptr + j); }
}
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 128, paritr_ptr += 128) for (i = 0; i < 256; i += 128, paritr_ptr += 128) {
{ for (j = 0; j <= 63; ++j) {
for (j = 0; j <= 63; ++j) parit512_2 ^= *(paritr_ptr + j);
{ }
parit512_2 ^= *(paritr_ptr + j); }
}
}
paritr_ptr = paritr; paritr_ptr = paritr;
for (i = 0; i < 256; i += 256, paritr_ptr += 256) for (i = 0; i < 256; i += 256, paritr_ptr += 256) {
{ for (j = 0; j <= 127; ++j) {
for (j = 0; j <= 127; ++j) parit1024_2 ^= *(paritr_ptr + j);
{ }
parit1024_2 ^= *(paritr_ptr + j); }
}
}
if (sum==0) if (sum==0) {
{ parit1024_1 = parit1024_2;
parit1024_1 = parit1024_2; parit512_1 = parit512_2;
parit512_1 = parit512_2; parit256_1 = parit256_2;
parit256_1 = parit256_2; parit128_1 = parit128_2;
parit128_1 = parit128_2; parit64_1 = parit64_2;
parit64_1 = parit64_2; parit32_1 = parit32_2;
parit32_1 = parit32_2; parit16_1 = parit16_2;
parit16_1 = parit16_2; parit8_1 = parit8_2;
parit8_1 = parit8_2; } else {
} parit1024_1 = parit1024_2 ? 0 : 1;
else parit512_1 = parit512_2 ? 0 : 1;
{ parit256_1 = parit256_2 ? 0 : 1;
parit1024_1 = parit1024_2 ? 0 : 1; parit128_1 = parit128_2 ? 0 : 1;
parit512_1 = parit512_2 ? 0 : 1; parit64_1 = parit64_2 ? 0 : 1;
parit256_1 = parit256_2 ? 0 : 1; parit32_1 = parit32_2 ? 0 : 1;
parit128_1 = parit128_2 ? 0 : 1; parit16_1 = parit16_2 ? 0 : 1;
parit64_1 = parit64_2 ? 0 : 1; parit8_1 = parit8_2 ? 0 : 1;
parit32_1 = parit32_2 ? 0 : 1; }
parit16_1 = parit16_2 ? 0 : 1;
parit8_1 = parit8_2 ? 0 : 1;
}
parit1_2 <<= 2; parit1_2 <<= 2;
parit1_1 <<= 3; parit1_1 <<= 3;
parit2_2 <<= 4; parit2_2 <<= 4;
parit2_1 <<= 5; parit2_1 <<= 5;
parit4_2 <<= 6; parit4_2 <<= 6;
parit4_1 <<= 7; parit4_1 <<= 7;
parit128_1 <<= 1; parit128_1 <<= 1;
parit256_2 <<= 2; parit256_2 <<= 2;
parit256_1 <<= 3; parit256_1 <<= 3;
parit512_2 <<= 4; parit512_2 <<= 4;
parit512_1 <<= 5; parit512_1 <<= 5;
parit1024_2 <<= 6; parit1024_2 <<= 6;
parit1024_1 <<= 7; parit1024_1 <<= 7;
parit8_1 <<= 1; parit8_1 <<= 1;
parit16_2 <<= 2; parit16_2 <<= 2;
parit16_1 <<= 3; parit16_1 <<= 3;
parit32_2 <<= 4; parit32_2 <<= 4;
parit32_1 <<= 5; parit32_1 <<= 5;
parit64_2 <<= 6; parit64_2 <<= 6;
parit64_1 <<= 7; parit64_1 <<= 7;
p_ecc[0] = ~(parit64_1 | parit64_2 | parit32_1 | parit32_2 | parit16_1 | parit16_2 | parit8_1 | parit8_2); p_ecc[0] = ~(parit64_1 | parit64_2 | parit32_1 | parit32_2 | parit16_1 | parit16_2 | parit8_1 | parit8_2);
p_ecc[1] = ~(parit1024_1 |parit1024_2 | parit512_1 | parit512_2 | parit256_1 | parit256_2 | parit128_1 | parit128_2); p_ecc[1] = ~(parit1024_1 |parit1024_2 | parit512_1 | parit512_2 | parit256_1 | parit256_2 | parit128_1 | parit128_2);
p_ecc[2] = ~(parit4_1 | parit4_2 | parit2_1 | parit2_2 | parit1_1 | parit1_2); p_ecc[2] = ~(parit4_1 | parit4_2 | parit2_1 | parit2_2 | parit1_1 | parit1_2);
return 0; return 0;
} }
/* smc_write -- /* smc_write --
@@ -544,8 +512,8 @@ int sm_ECCEncode(const uint8_t * p_buf, uint8_t * p_ecc)
*/ */
static int smc_write(rtems_blkdev_request *req) static int smc_write(rtems_blkdev_request *req)
{ {
rtems_blkdev_request_done(req, RTEMS_SUCCESSFUL); rtems_blkdev_request_done(req, RTEMS_SUCCESSFUL);
return 0; return 0;
} }
@@ -570,7 +538,7 @@ smc_read(rtems_blkdev_request *req)
int count = sg->length; int count = sg->length;
if (count > remains) if (count > remains)
count = remains; count = remains;
smc_read_page(sg->block,sg->buffer); smc_read_page(sg->block,sg->buffer);
remains -= count; remains -= count;
} }
rtems_blkdev_request_done(req, RTEMS_SUCCESSFUL); rtems_blkdev_request_done(req, RTEMS_SUCCESSFUL);
@@ -601,7 +569,7 @@ smc_ioctl(rtems_disk_device *dd, uint32_t req, void *argp)
case RTEMS_BLKDEV_REQ_READ: case RTEMS_BLKDEV_REQ_READ:
return smc_read(r); return smc_read(r);
case RTEMS_BLKDEV_REQ_WRITE: case RTEMS_BLKDEV_REQ_WRITE:
return smc_write(r); return smc_write(r);
default: default:
errno = EINVAL; errno = EINVAL;
return -1; return -1;