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spi_flash: Add protect_range table for W25Q40

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BUG=chrome-os-partner:53035
BRANCH=none
TEST=needs testing

Change-Id: I4b2bc758a22c2c19ddf0438a2af26f8c76093081
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/339291
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
David Hendricks
2016-04-14 20:13:47 -07:00
committed by chrome-bot
parent 828d5c19f6
commit 5219d2f86b
2 changed files with 49 additions and 0 deletions
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46
common/spi_flash_reg.c
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@@ -49,6 +49,52 @@ static const struct protect_range spi_flash_protect_ranges[] = {
{ X, X, 0, { 0, 1, 1 }, 0x40000, 0x40000 }, /* Upper 1/2*/
};
#elif defined(CONFIG_SPI_FLASH_W25Q40)
/* Verified for W25Q40BV and W25Q40EW */
static const struct protect_range spi_flash_protect_ranges[] = {
/* CMP = 0 */
{ 0, X, X, { 0, 0, 0 }, 0, 0 }, /* No protection */
{ 0, 0, 0, { 0, 0, 1 }, 0x70000, 0x7ffff }, /* Upper 1/8 */
{ 0, 0, 0, { 0, 1, 0 }, 0x60000, 0x7ffff }, /* Upper 1/4 */
{ 0, 0, 0, { 0, 1, 1 }, 0x40000, 0x7ffff }, /* Upper 1/2 */
{ 0, 0, 1, { 0, 0, 1 }, 0, 0x0ffff }, /* Lower 1/8 */
{ 0, 0, 1, { 0, 1, 0 }, 0, 0x1ffff }, /* Lower 1/4 */
{ 0, 0, 1, { 0, 1, 1 }, 0, 0x3ffff }, /* Lower 1/2 */
{ 0, 0, X, { 1, X, X }, 0, 0x7ffff }, /* All */
{ 0, 1, 0, { 0, 0, 1 }, 0x7f000, 0x7ffff }, /* Upper 1/128 */
{ 0, 1, 0, { 0, 1, 0 }, 0x7e000, 0x7ffff }, /* Upper 1/64 */
{ 0, 1, 0, { 0, 1, 1 }, 0x7c000, 0x7ffff }, /* Upper 1/32 */
{ 0, 1, 0, { 1, 0, X }, 0x78000, 0x7ffff }, /* Upper 1/16 */
{ 0, 1, 0, { 1, 1, 0 }, 0x78000, 0x7ffff }, /* Upper 1/16 */
{ 0, 1, 1, { 0, 0, 1 }, 0, 0x00fff }, /* Lower 1/128 */
{ 0, 1, 1, { 0, 1, 0 }, 0, 0x01fff }, /* Lower 1/64 */
{ 0, 1, 1, { 0, 1, 1 }, 0, 0x03fff }, /* Lower 1/32 */
{ 0, 1, 1, { 1, 0, X }, 0, 0x07fff }, /* Lower 1/16 */
{ 0, 1, 1, { 1, 1, 0 }, 0, 0x07fff }, /* Lower 1/16 */
{ 0, 1, X, { 1, 1, 1 }, 0, 0x7ffff }, /* All */
/* CMP = 1 */
{ 1, X, X, { 0, 0, 0 }, 0, 0x7ffff }, /* All */
{ 1, 0, 0, { 0, 0, 1 }, 0, 0x6ffff }, /* Lower 7/8 */
{ 1, 0, 0, { 0, 1, 0 }, 0, 0x5ffff }, /* Lower 3/4 */
{ 1, 0, 0, { 0, 1, 1 }, 0, 0x3ffff }, /* Lower 1/2 */
{ 1, 0, 1, { 0, 0, 1 }, 0x10000, 0x7ffff }, /* Upper 7/8 */
{ 1, 0, 1, { 0, 1, 0 }, 0x20000, 0x7ffff }, /* Upper 3/4 */
{ 1, 0, 1, { 0, 1, 1 }, 0x40000, 0x7ffff }, /* Upper 1/2 */
{ 1, 0, X, { 1, X, X }, 0, 0 }, /* None (W25Q40EW only) */
{ 1, 1, 0, { 0, 0, 1 }, 0, 0x7efff }, /* Lower 127/128 */
{ 1, 1, 0, { 0, 1, 0 }, 0, 0x7dfff }, /* Lower 63/64 */
{ 1, 1, 0, { 0, 1, 1 }, 0, 0x7bfff }, /* Lower 31/32 */
{ 1, 1, 0, { 1, 0, X }, 0, 0x77fff }, /* Lower 15/16 */
{ 1, 1, 0, { 1, 1, 0 }, 0, 0x77fff }, /* Lower 15/16 */
{ 1, 1, 1, { 0, 0, 1 }, 0x01000, 0x7ffff }, /* Upper 127/128 */
{ 1, 1, 1, { 0, 1, 0 }, 0x02000, 0x7ffff }, /* Upper 63/64 */
{ 1, 1, 1, { 0, 1, 1 }, 0x04000, 0x7ffff }, /* Upper 31/32 */
{ 1, 1, 1, { 1, 0, X }, 0x08000, 0x7ffff }, /* Upper 15/16 */
{ 1, 1, 1, { 1, 1, 0 }, 0x08000, 0x7ffff }, /* Upper 15/16 */
{ 1, 1, X, { 1, 1, 1 }, 0, 0x7ffff }, /* All */
};
#elif defined(CONFIG_SPI_FLASH_W25Q64)
static const struct protect_range spi_flash_protect_ranges[] = {
{ 0, X, X, { 0, 0, 0 }, 0, 0 }, /* No protection */

3
include/config.h
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@@ -1581,6 +1581,9 @@
/* Define the SPI port to use to access the flash */
#undef CONFIG_SPI_FLASH_PORT
/* Support W25Q40 SPI flash */
#undef CONFIG_SPI_FLASH_W25Q40
/* Support W25Q64 SPI flash */
#undef CONFIG_SPI_FLASH_W25Q64