Make sure we delay writing the next byte long enough in SPI byte
programming. Minor formatting changes. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Harald Gutmann <harald.gutmann@gmx.net> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3069 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -94,7 +94,7 @@
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uint16_t it8716f_flashport = 0;
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/* use fast 33MHz SPI (<>0) or slow 16MHz (0) */
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int fast_spi=1;
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int fast_spi = 1;
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void spi_prettyprint_status_register(struct flashchip *flash);
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void spi_disable_blockprotect(void);
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@ -155,7 +155,7 @@ static uint16_t find_ite_spi_flash_port(uint16_t port)
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0xFFF80000, 0xFFFEFFFF, (tmp & 1 << 3) ? "en" : "dis");
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printf("LPC write to serial flash %sabled\n",
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(tmp & 1 << 4) ? "en" : "dis");
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printf("serial flash pin %i\n", (tmp & 1 << 5) ? 87 : 29);
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printf("serial flash pin %i\n", (tmp & 1 << 5) ? 87 : 29);
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/* LDN 0x7, reg 0x64/0x65 */
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regwrite(port, 0x07, 0x7);
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flashport = regval(port, 0x64) << 8;
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@ -348,14 +348,14 @@ void spi_prettyprint_status_register_st_m25p(uint8_t status)
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*/
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void spi_prettyprint_status_register_sst25vf016(uint8_t status)
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{
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const char *bpt[]={
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const char *bpt[] = {
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"none",
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"1F0000H-1FFFFFH",
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"1E0000H-1FFFFFH",
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"1C0000H-1FFFFFH",
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"180000H-1FFFFFH",
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"100000H-1FFFFFH",
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"all","all"
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"all", "all"
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};
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printf_debug("Chip status register: Block Protect Write Disable "
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"(BPL) is %sset\n", (status & (1 << 7)) ? "" : "not ");
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@ -449,7 +449,7 @@ void it8716f_spi_page_program(int block, uint8_t *buf, uint8_t *bios) {
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generic_spi_write_enable();
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outb(0x06 , it8716f_flashport + 1);
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outb(((2+(fast_spi?1:0)) << 4), it8716f_flashport);
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outb(((2 + (fast_spi ? 1 : 0)) << 4), it8716f_flashport);
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for (i = 0; i < 256; i++) {
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bios[256 * block + i] = buf[256 * block + i];
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}
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@ -513,18 +513,14 @@ int it8716f_over512k_spi_chip_write(struct flashchip *flash, uint8_t *buf)
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{
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int total_size = 1024 * flash->total_size;
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int i;
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fast_spi=0;
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fast_spi = 0;
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spi_disable_blockprotect();
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for (i=0; i<total_size; i++) {
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for (i = 0; i < total_size; i++) {
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generic_spi_write_enable();
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spi_byte_program(i,buf[i]);
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/* FIXME: We really should read the status register and delay
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* accordingly.
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*/
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//while (generic_spi_read_status_register() & JEDEC_RDSR_BIT_WIP)
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myusec_delay(10);
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//if (i%1024==0) fputc('b',stderr);
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spi_byte_program(i, buf[i]);
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while (generic_spi_read_status_register() & JEDEC_RDSR_BIT_WIP)
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myusec_delay(10);
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}
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/* resume normal ops... */
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outb(0x20, it8716f_flashport);
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@ -534,9 +530,9 @@ int it8716f_over512k_spi_chip_write(struct flashchip *flash, uint8_t *buf)
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void spi_3byte_read(int address, uint8_t *bytes, int len)
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{
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const unsigned char cmd[JEDEC_READ_OUTSIZE] = {JEDEC_READ,
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(address>>16)&0xff,
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(address>>8)&0xff,
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(address>>0)&0xff,
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(address >> 16) & 0xff,
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(address >> 8) & 0xff,
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(address >> 0) & 0xff,
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};
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/* Send Read */
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@ -551,13 +547,14 @@ int generic_spi_chip_read(struct flashchip *flash, uint8_t *buf)
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{
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int total_size = 1024 * flash->total_size;
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int i;
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fast_spi=0;
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fast_spi = 0;
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if (total_size > 512 * 1024) {
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for (i = 0; i < total_size; i+=3) {
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int toread=3;
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if (total_size-i < toread) toread=total_size-i;
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spi_3byte_read(i, buf+i, toread);
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for (i = 0; i < total_size; i += 3) {
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int toread = 3;
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if (total_size - i < toread)
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toread = total_size - i;
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spi_3byte_read(i, buf + i, toread);
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}
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} else {
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memcpy(buf, (const char *)flash->virtual_memory, total_size);
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