diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2019-11-22 13:35:24 +0800 |
|---|---|---|
| committer | Anson Huang <Anson.Huang@nxp.com> | 2019-12-13 10:41:29 +0800 |
| commit | 2bbeca1c9b89877365c1546d2a3654dc7f52869e (patch) | |
| tree | 26ebd801c04bda2b8386962da1408a14cf6febf5 /drivers | |
| parent | 192fb9ede73006bca15de9bb1663fa4dda648928 (diff) | |
drivers: add tzc380 debug support
Add tzc380 debug support.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/arm/tzc/tzc380.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/arm/tzc/tzc380.c b/drivers/arm/tzc/tzc380.c index 95187485..2913d58d 100644 --- a/drivers/arm/tzc/tzc380.c +++ b/drivers/arm/tzc/tzc380.c @@ -102,3 +102,49 @@ void tzc380_set_action(unsigned int action) */ tzc380_write_action(tzc380.base, action); } + +#if LOG_LEVEL >= LOG_LEVEL_INFO + +static unsigned int tzc380_read_region_attributes(uintptr_t base, unsigned int region) +{ + return mmio_read_32(base + REGION_ATTRIBUTES_OFF(region)); +} + +static unsigned int tzc380_read_region_base_low(uintptr_t base, unsigned int region) +{ + return mmio_read_32(base + REGION_SETUP_LOW_OFF(region)); +} + +static unsigned int tzc380_read_region_base_high(uintptr_t base, unsigned int region) +{ + return mmio_read_32(base + REGION_SETUP_HIGH_OFF(region)); +} + +#define REGION_MAX 16 +void tzc380_dump_state(void) +{ + unsigned int n; + unsigned int temp_32reg, temp_32reg_h; + + INFO("enter\n"); + INFO("security_inversion_en %x\n", + mmio_read_32(tzc380.base + SECURITY_INV_EN_OFF)); + for (n = 0; n <= REGION_MAX; n++) { + temp_32reg = tzc380_read_region_attributes(tzc380.base, n); + if (!(temp_32reg & TZC_ATTR_REGION_EN_MASK)) + continue; + + INFO("\n"); + INFO("region %d\n", n); + temp_32reg = tzc380_read_region_base_low(tzc380.base, n); + temp_32reg_h = tzc380_read_region_base_high(tzc380.base, n); + INFO("region_base: 0x%08x%08x\n", temp_32reg_h, temp_32reg); + temp_32reg = tzc380_read_region_attributes(tzc380.base, n); + INFO("region sp: %x\n", temp_32reg >> TZC_ATTR_SP_SHIFT); + INFO("region size: %x\n", (temp_32reg & TZC_REGION_SIZE_MASK) >> + TZC_REGION_SIZE_SHIFT); + } + INFO("exit\n"); +} + +#endif |