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Convert SPI block erase to use the multicommand infrastructure

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Tested-by: Jakob Bornecrantz <wallbraker@gmail.com>

Corresponding to flashrom svn r650.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Jakob writes:
Tested it on my EPIA-m700 and it worked nice. Also double checked that
one of the changed functions actually ran.
Acked-by: Jakob Bornecrantz <wallbraker@gmail.com>
This commit is contained in:
Carl-Daniel Hailfinger
2009-07-11 22:26:52 +00:00
parent 9d68080e0e
commit 39fa9b55cd
1 changed files with 63 additions and 25 deletions
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88
spi.c
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@@ -536,17 +536,30 @@ int spi_chip_erase_60_c7(struct flashchip *flash)
int spi_block_erase_52(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
{
unsigned char cmd[JEDEC_BE_52_OUTSIZE] = {JEDEC_BE_52, };
int result;
struct spi_command spicommands[] = {
{
.writecnt = JEDEC_WREN_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_WREN },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = JEDEC_BE_52_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_BE_52, (addr >> 16) & 0xff, (addr >> 8) & 0xff, (addr & 0xff) },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = 0,
.writearr = NULL,
.readcnt = 0,
.readarr = NULL,
}};
cmd[1] = (addr & 0x00ff0000) >> 16;
cmd[2] = (addr & 0x0000ff00) >> 8;
cmd[3] = (addr & 0x000000ff);
result = spi_write_enable();
if (result)
result = spi_send_multicommand(spicommands);
if (result) {
printf_debug("%s failed during command execution\n", __func__);
return result;
/* Send BE (Block Erase) */
spi_send_command(sizeof(cmd), 0, cmd, NULL);
}
/* Wait until the Write-In-Progress bit is cleared.
* This usually takes 100-4000 ms, so wait in 100 ms steps.
*/
@@ -566,17 +579,30 @@ int spi_block_erase_52(struct flashchip *flash, unsigned int addr, unsigned int
*/
int spi_block_erase_d8(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
{
unsigned char cmd[JEDEC_BE_D8_OUTSIZE] = { JEDEC_BE_D8, };
int result;
struct spi_command spicommands[] = {
{
.writecnt = JEDEC_WREN_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_WREN },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = JEDEC_BE_D8_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_BE_D8, (addr >> 16) & 0xff, (addr >> 8) & 0xff, (addr & 0xff) },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = 0,
.writearr = NULL,
.readcnt = 0,
.readarr = NULL,
}};
cmd[1] = (addr & 0x00ff0000) >> 16;
cmd[2] = (addr & 0x0000ff00) >> 8;
cmd[3] = (addr & 0x000000ff);
result = spi_write_enable();
if (result)
result = spi_send_multicommand(spicommands);
if (result) {
printf_debug("%s failed during command execution\n", __func__);
return result;
/* Send BE (Block Erase) */
spi_send_command(sizeof(cmd), 0, cmd, NULL);
}
/* Wait until the Write-In-Progress bit is cleared.
* This usually takes 100-4000 ms, so wait in 100 ms steps.
*/
@@ -615,18 +641,30 @@ int spi_chip_erase_d8(struct flashchip *flash)
/* Sector size is usually 4k, though Macronix eliteflash has 64k */
int spi_block_erase_20(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
{
unsigned char cmd[JEDEC_SE_OUTSIZE] = { JEDEC_SE, };
int result;
cmd[1] = (addr & 0x00ff0000) >> 16;
cmd[2] = (addr & 0x0000ff00) >> 8;
cmd[3] = (addr & 0x000000ff);
struct spi_command spicommands[] = {
{
.writecnt = JEDEC_WREN_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_WREN },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = JEDEC_SE_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_SE, (addr >> 16) & 0xff, (addr >> 8) & 0xff, (addr & 0xff) },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = 0,
.writearr = NULL,
.readcnt = 0,
.readarr = NULL,
}};
result = spi_write_enable();
if (result)
result = spi_send_multicommand(spicommands);
if (result) {
printf_debug("%s failed during command execution\n", __func__);
return result;
/* Send SE (Sector Erase) */
spi_send_command(sizeof(cmd), 0, cmd, NULL);
}
/* Wait until the Write-In-Progress bit is cleared.
* This usually takes 15-800 ms, so wait in 10 ms steps.
*/