diff options
Diffstat (limited to 'spi4ba.c')
| -rw-r--r-- | spi4ba.c | 21 |
1 files changed, 17 insertions, 4 deletions
@@ -39,12 +39,17 @@ /* Enter 4-bytes addressing mode (without sending WREN before) */ int spi_enter_4ba_b7(struct flashctx *flash) { + int result; const unsigned char cmd[JEDEC_ENTER_4_BYTE_ADDR_MODE_OUTSIZE] = { JEDEC_ENTER_4_BYTE_ADDR_MODE }; msg_trace("-> %s\n", __func__); /* Switch to 4-bytes addressing mode */ - return spi_send_command(flash, sizeof(cmd), 0, cmd, NULL); + result = spi_send_command(flash, sizeof(cmd), 0, cmd, NULL); + if (!result) + flash->in_4ba_mode = true; + + return result; } /* Enter 4-bytes addressing mode with sending WREN before */ @@ -75,18 +80,25 @@ int spi_enter_4ba_b7_we(struct flashctx *flash) result = spi_send_multicommand(flash, cmds); if (result) msg_cerr("%s failed during command execution\n", __func__); + else + flash->in_4ba_mode = true; return result; } /* Exit 4-bytes addressing mode (without sending WREN before) */ int spi_exit_4ba_e9(struct flashctx *flash) { + int result; const unsigned char cmd[JEDEC_EXIT_4_BYTE_ADDR_MODE_OUTSIZE] = { JEDEC_EXIT_4_BYTE_ADDR_MODE }; msg_trace("-> %s\n", __func__); /* Switch to 3-bytes addressing mode */ - return spi_send_command(flash, sizeof(cmd), 0, cmd, NULL); + result = spi_send_command(flash, sizeof(cmd), 0, cmd, NULL); + if (!result) + flash->in_4ba_mode = false; + + return result; } /* Exit 4-bytes addressing mode with sending WREN before */ @@ -115,9 +127,10 @@ int spi_exit_4ba_e9_we(struct flashctx *flash) /* Switch to 3-bytes addressing mode */ result = spi_send_multicommand(flash, cmds); - if (result) { + if (result) msg_cerr("%s failed during command execution\n", __func__); - } + else + flash->in_4ba_mode = false; return result; } |