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Convert SPI write status register to multicommand infrastructure

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Corresponding to flashrom svn r658.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
This commit is contained in:
Carl-Daniel Hailfinger 2009-07-22 20:09:28 +00:00
parent 02487aa4ed
commit fcbdbbc0d4
1 changed files with 24 additions and 26 deletions
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50
spi.c
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@ -754,21 +754,7 @@ int spi_write_status_enable(void)
result = spi_send_command(sizeof(cmd), JEDEC_EWSR_INSIZE, cmd, NULL);
if (result)
printf_debug("%s failed", __func__);
if (result == SPI_INVALID_OPCODE) {
switch (spi_controller) {
case SPI_CONTROLLER_ICH7:
case SPI_CONTROLLER_ICH9:
case SPI_CONTROLLER_VIA:
printf_debug(" due to SPI master limitation, ignoring"
" and hoping it will be run as PREOP\n");
return 0;
default:
break;
}
}
if (result)
printf_debug("\n");
printf_debug("%s failed\n", __func__);
return result;
}
@ -779,11 +765,30 @@ int spi_write_status_enable(void)
*/
int spi_write_status_register(int status)
{
const unsigned char cmd[JEDEC_WRSR_OUTSIZE] =
{ JEDEC_WRSR, (unsigned char)status };
int result;
struct spi_command spicommands[] = {
{
.writecnt = JEDEC_EWSR_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_EWSR },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = JEDEC_WRSR_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_WRSR, (unsigned char) status },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = 0,
.writearr = NULL,
.readcnt = 0,
.readarr = NULL,
}};
/* Send WRSR (Write Status Register) */
return spi_send_command(sizeof(cmd), 0, cmd, NULL);
result = spi_send_multicommand(spicommands);
if (result) {
printf_debug("%s failed during command execution\n", __func__);
}
return result;
}
int spi_byte_program(int addr, uint8_t byte)
@ -810,7 +815,6 @@ int spi_byte_program(int addr, uint8_t byte)
result = spi_send_multicommand(spicommands);
if (result) {
printf_debug("%s failed during command execution\n", __func__);
return result;
}
return result;
}
@ -857,7 +861,6 @@ int spi_nbyte_program(int address, uint8_t *bytes, int len)
result = spi_send_multicommand(spicommands);
if (result) {
printf_debug("%s failed during command execution\n", __func__);
return result;
}
return result;
}
@ -871,11 +874,6 @@ int spi_disable_blockprotect(void)
/* If there is block protection in effect, unprotect it first. */
if ((status & 0x3c) != 0) {
printf_debug("Some block protection in effect, disabling\n");
result = spi_write_status_enable();
if (result) {
printf_debug("spi_write_status_enable failed\n");
return result;
}
result = spi_write_status_register(status & ~0x3c);
if (result) {
printf_debug("spi_write_status_register failed\n");