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lmi: Added some more robustness to the probe routine

This commit is contained in:
dragonmux 2022-07-27 20:29:20 +01:00 committed by Piotr Esden-Tempski
parent d3c80f8b32
commit 08207b9af9
1 changed files with 11 additions and 3 deletions
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14
src/target/lmi.c
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@ -34,8 +34,12 @@
#define BLOCK_SIZE 0x400
#define LMI_SCB_BASE 0x400FE000
#define LMI_SCB_DID1 (LMI_SCB_BASE + 0x004)
#define LMI_SCB_BASE 0x400FE000U
#define LMI_SCB_DID0 (LMI_SCB_BASE + 0x000U)
#define LMI_SCB_DID1 (LMI_SCB_BASE + 0x004U)
#define DID0_CLASS_MASK 0x00FF0000U
#define DID0_CLASS_TIVA 0x00050000U
#define LMI_FLASH_BASE 0x400FD000
#define LMI_FLASH_FMA (LMI_FLASH_BASE + 0x000)
@ -76,7 +80,11 @@ static void lmi_add_flash(target *t, size_t length)
bool lmi_probe(target *t)
{
uint32_t did1 = target_mem_read32(t, LMI_SCB_DID1);
const uint32_t did0 = target_mem_read32(t, LMI_SCB_DID0);
if ((did0 & DID0_CLASS_MASK) != DID0_CLASS_TIVA)
return false;
const uint32_t did1 = target_mem_read32(t, LMI_SCB_DID1);
t->mass_erase = lmi_mass_erase;
switch (did1 >> 16) {
case 0x1049: /* LM3S3748 */