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Report the Silicon Revisions for the AM335x SoCs correctly.

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This commit is contained in:
Warner Losh 2016-09-12 05:19:56 +00:00
parent 0c84fbafef
commit 1648ac5095
1 changed files with 23 additions and 3 deletions
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26
sys/arm/ti/ti_cpuid.c
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@ -201,8 +201,10 @@ static void
am335x_get_revision(void)
{
uint32_t dev_feature;
uint8_t cpu_last_char;
char cpu_last_char;
bus_space_handle_t bsh;
int major;
int minor;
bus_space_map(fdtbus_bs_tag, AM335X_CONTROL_BASE, AM335X_CONTROL_SIZE, 0, &bsh);
chip_revision = bus_space_read_4(fdtbus_bs_tag, bsh, AM335X_CONTROL_DEVICE_ID);
@ -232,8 +234,26 @@ am335x_get_revision(void)
cpu_last_char='x';
}
printf("Texas Instruments AM335%c Processor, Revision ES1.%u\n",
cpu_last_char, AM335X_DEVREV(chip_revision));
switch(AM335X_DEVREV(chip_revision)) {
case 0:
major = 1;
minor = 0;
break;
case 1:
major = 2;
minor = 0;
break;
case 2:
major = 2;
minor = 1;
break;
default:
major = 0;
minor = AM335X_DEVREV(chip_revision);
break;
}
printf("Texas Instruments AM335%c Processor, Revision ES%u.%u\n",
cpu_last_char, major, minor);
}
/**