mirror of
git://projects.qi-hardware.com/xburst-tools.git
synced 2024-11-01 14:14:38 +02:00
cleanup code style
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parent
eb283a6f70
commit
24aa5a2277
@ -61,9 +61,10 @@ static volatile unsigned char *addrport = (volatile unsigned char *)0xb8010000;
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static volatile unsigned char *dataport = (volatile unsigned char *)0xb8000000;
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static volatile unsigned char *dataport = (volatile unsigned char *)0xb8000000;
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static volatile unsigned char *cmdport = (volatile unsigned char *)0xb8008000;
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static volatile unsigned char *cmdport = (volatile unsigned char *)0xb8008000;
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static int bus = 8, row = 2, pagesize = 2048, oobsize = 64, ppb = 128;
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static int bus, row, pagesize, oobsize, ppb;
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static int bad_block_pos, bad_block_page, force_erase, ecc_pos, wp_pin;
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static int bad_block_pos, bad_block_page, force_erase, ecc_pos, wp_pin;
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static u8 oob_buf[256] = {0};
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static u8 oob_buf[256] = {0};
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extern struct hand Hand;
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extern struct hand Hand;
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extern u16 handshake_PKT[4];
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extern u16 handshake_PKT[4];
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@ -77,8 +78,10 @@ static unsigned int EMC_CSN[4] = {
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static inline void __nand_sync(void)
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static inline void __nand_sync(void)
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{
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{
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unsigned int timeout = 100000;
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unsigned int timeout = 100000;
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while ((REG_GPIO_PXPIN(2) & 0x40000000) && timeout--);
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while ((REG_GPIO_PXPIN(2) & 0x40000000) && timeout--)
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while (!(REG_GPIO_PXPIN(2) & 0x40000000));
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;
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while (!(REG_GPIO_PXPIN(2) & 0x40000000))
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;
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}
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}
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static void select_chip(int block)
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static void select_chip(int block)
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@ -86,6 +89,7 @@ static void select_chip(int block)
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int t;
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int t;
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if (!Hand.nand_bpc)
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if (!Hand.nand_bpc)
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return;
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return;
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t = (block / Hand.nand_bpc) % 4;
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t = (block / Hand.nand_bpc) % 4;
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addrport = (volatile unsigned char *)(EMC_CSN[t] + 0x10000);
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addrport = (volatile unsigned char *)(EMC_CSN[t] + 0x10000);
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dataport = (volatile unsigned char *)EMC_CSN[t];
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dataport = (volatile unsigned char *)EMC_CSN[t];
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@ -133,11 +137,11 @@ unsigned int nand_query_4740(u8 *id)
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__nand_cmd(CMD_READID);
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__nand_cmd(CMD_READID);
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__nand_addr(0);
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__nand_addr(0);
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id[0] = __nand_data8(); //VID
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id[0] = __nand_data8(); /* VID */
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id[1] = __nand_data8(); //PID
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id[1] = __nand_data8(); /* PID */
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id[2] = __nand_data8(); //CHIP ID
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id[2] = __nand_data8(); /* CHIP ID */
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id[3] = __nand_data8(); //PAGE ID
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id[3] = __nand_data8(); /* PAGE ID */
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id[4] = __nand_data8(); //PLANE ID
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id[4] = __nand_data8(); /* PLANE ID */
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return 0;
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return 0;
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}
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}
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@ -163,9 +167,9 @@ int nand_init_4740(int bus_width, int row_cycle, int page_size, int page_per_blo
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}
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}
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nand_init_gpio();
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nand_init_gpio();
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select_chip(0);
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select_chip(0);
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REG_EMC_SMCR1 = 0x0fff7700; //slow speed
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REG_EMC_SMCR1 = 0x0fff7700; /* slow speed */
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// REG_EMC_SMCR1 = 0x04444400; //normal speed
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/* REG_EMC_SMCR1 = 0x04444400; normal speed */
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// REG_EMC_SMCR1 = 0x0d221200; //fast speed
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/* REG_EMC_SMCR1 = 0x0d221200; fast speed */
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if (bus == 8) {
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if (bus == 8) {
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write_proc = nand_data_write8;
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write_proc = nand_data_write8;
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@ -174,6 +178,7 @@ int nand_init_4740(int bus_width, int row_cycle, int page_size, int page_per_blo
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write_proc = nand_data_write16;
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write_proc = nand_data_write16;
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read_proc = nand_data_read16;
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read_proc = nand_data_read16;
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}
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}
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return 0;
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return 0;
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}
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}
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@ -267,7 +272,7 @@ u32 nand_read_raw_4740(void *buf, u32 startpage, u32 pagecount, int option)
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select_chip(cnt / ppb);
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select_chip(cnt / ppb);
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if ((cur_page % ppb) == 0) {
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if ((cur_page % ppb) == 0) {
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if (nand_check_block(cur_page / ppb)) {
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if (nand_check_block(cur_page / ppb)) {
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cur_page += ppb; //Bad block, set to next block
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cur_page += ppb; /* Bad block, set to next block */
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continue;
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continue;
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}
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}
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}
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}
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@ -435,7 +440,7 @@ u32 nand_read_4740(void *buf, u32 startpage, u32 pagecount, int option)
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if ((cur_page % ppb) == 0) {
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if ((cur_page % ppb) == 0) {
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cur_blk = cur_page / ppb;
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cur_blk = cur_page / ppb;
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if (nand_check_block(cur_blk)) {
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if (nand_check_block(cur_blk)) {
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cur_page += ppb; //Bad block, set to next block
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cur_page += ppb; /* Bad block, set to next block */
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continue;
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continue;
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}
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}
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}
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}
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@ -570,7 +575,7 @@ restart:
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if ((cur % ppb) == 0) {
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if ((cur % ppb) == 0) {
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if (nand_check_block(cur / ppb)) {
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if (nand_check_block(cur / ppb)) {
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cur += ppb; // Bad block, set to next block
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cur += ppb; /* Bad block, set to next block */
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continue;
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continue;
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}
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}
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}
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}
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@ -604,9 +609,9 @@ restart:
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switch (option) {
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switch (option) {
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case OOB_ECC:
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case OOB_ECC:
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write_proc(tmpbuf, pagesize); //write data
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write_proc(tmpbuf, pagesize); /* write data */
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tmpbuf += pagesize;
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tmpbuf += pagesize;
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write_proc((u8 *)tmpbuf, oobsize); //write oob
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write_proc((u8 *)tmpbuf, oobsize); /* write oob */
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tmpbuf += oobsize;
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tmpbuf += oobsize;
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break;
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break;
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@ -683,7 +688,7 @@ restart:
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/* page program error */
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/* page program error */
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if (__nand_data8() & 0x01) {
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if (__nand_data8() & 0x01) {
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serial_puts("Skip a write fail block\n");
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serial_puts("Skip a write fail block\n");
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nand_erase_4740(1, cur/ppb, 1); //force erase before
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nand_erase_4740(1, cur/ppb, 1); /* force erase before */
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nand_mark_bad_4740(cur / ppb);
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nand_mark_bad_4740(cur / ppb);
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spage += ppb;
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spage += ppb;
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goto restart;
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goto restart;
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@ -710,7 +715,7 @@ static u32 nand_mark_bad_page(u32 page)
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if (wp_pin)
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if (wp_pin)
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__gpio_set_pin(wp_pin);
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__gpio_set_pin(wp_pin);
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//all set to 0x00
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/* all set to 0x00 */
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for (i = 0; i < pagesize + oobsize; i++)
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for (i = 0; i < pagesize + oobsize; i++)
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badbuf[i] = 0x00;
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badbuf[i] = 0x00;
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@ -739,8 +744,8 @@ u32 nand_mark_bad_4740(int block)
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{
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{
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u32 rowaddr;
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u32 rowaddr;
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//nand_erase_4740( 1, block, 1); //force erase before
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/* nand_erase_4740( 1, block, 1); force erase before */
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if ( bad_block_page >= ppb ) { //mark four page!
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if (bad_block_page >= ppb) { /* mark four page! */
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rowaddr = block * ppb + 0;
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rowaddr = block * ppb + 0;
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nand_mark_bad_page(rowaddr);
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nand_mark_bad_page(rowaddr);
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@ -752,7 +757,7 @@ u32 nand_mark_bad_4740(int block)
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rowaddr = block * ppb + ppb - 1;
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rowaddr = block * ppb + ppb - 1;
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nand_mark_bad_page(rowaddr);
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nand_mark_bad_page(rowaddr);
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} else { //mark one page only
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} else { /* mark one page only */
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rowaddr = block * ppb + bad_block_page;
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rowaddr = block * ppb + bad_block_page;
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nand_mark_bad_page(rowaddr);
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nand_mark_bad_page(rowaddr);
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}
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}
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