diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2019-07-30 19:16:20 +0200 |
|---|---|---|
| committer | Patrice Chotard <patrice.chotard@st.com> | 2019-08-27 09:36:56 +0200 |
| commit | 178a415534c51e0228f3999ec52e64c019f867ee (patch) | |
| tree | 4c430dc5ffb6f9f219beab05060920501ca50af9 /board/st/stm32mp1 | |
| parent | 17ac2150c3c6356cf2d88e7e105061f02b3cada8 (diff) | |
stpmic1: program pmic to keep only the debug unit on
Depending on backup register value, we maintain the debug unit
powered-on for debugging purpose.
Only BUCK1 is required for powering the debug unit, so revert
the setting for all the other power lanes, except BUCK3 that
has to be always on.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'board/st/stm32mp1')
| -rw-r--r-- | board/st/stm32mp1/spl.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/board/st/stm32mp1/spl.c b/board/st/stm32mp1/spl.c index e19be0f770..e65ff288ea 100644 --- a/board/st/stm32mp1/spl.c +++ b/board/st/stm32mp1/spl.c @@ -27,5 +27,19 @@ void spl_board_init(void) STPMIC1_BUCKS_MRST_CR, STPMIC1_MRST_BUCK(STPMIC1_BUCK3), STPMIC1_MRST_BUCK(STPMIC1_BUCK3)); + + /* Check if debug is enabled to program PMIC according to the bit */ + if ((readl(TAMP_BOOT_CONTEXT) & TAMP_BOOT_DEBUG_ON) && !ret) { + printf("Keep debug unit ON\n"); + + pmic_clrsetbits(dev, STPMIC1_BUCKS_MRST_CR, + STPMIC1_MRST_BUCK_DEBUG, + STPMIC1_MRST_BUCK_DEBUG); + + if (STPMIC1_MRST_LDO_DEBUG) + pmic_clrsetbits(dev, STPMIC1_LDOS_MRST_CR, + STPMIC1_MRST_LDO_DEBUG, + STPMIC1_MRST_LDO_DEBUG); + } #endif } |