diff options
| author | Roger Lu <roger.lu@mediatek.com> | 2019-10-28 21:11:48 +0800 |
|---|---|---|
| committer | kenny liang <kenny.liang@mediatek.com> | 2019-11-05 16:34:26 +0800 |
| commit | 658cb0725f6afa5838736137fec0d6171fbc23b8 (patch) | |
| tree | 6fbf764431fb49f64bbe1f74af08d1cb361b8807 /plat/mediatek/mt8183/drivers | |
| parent | 1d2b41614c5675b144ae1f4517c1f8bf249a12d2 (diff) | |
| download | arm-trusted-firmware-658cb0725f6afa5838736137fec0d6171fbc23b8.tar.gz | |
mediatek: mt8183: switch PLL/CLKSQ/ck_off/axi_26m control to SPM
1. Switch ARMPLL_LL/CCIPLL/MAINPLL/MPLL control to SPM
2. Switch CLKSQ1/TDCLKSQ control to SPM
3. Switch ck_off/axi_26m control to SPM
BUG=b:136980838
TEST=system suspend/resume passed
Change-Id: I5c8506f7cf16d5cdaeb5ef8caa60a2992a361e18
Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Diffstat (limited to 'plat/mediatek/mt8183/drivers')
| -rw-r--r-- | plat/mediatek/mt8183/drivers/spm/spm.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/plat/mediatek/mt8183/drivers/spm/spm.c b/plat/mediatek/mt8183/drivers/spm/spm.c index dcafd55fd..547af5781 100644 --- a/plat/mediatek/mt8183/drivers/spm/spm.c +++ b/plat/mediatek/mt8183/drivers/spm/spm.c @@ -12,6 +12,21 @@ DEFINE_BAKERY_LOCK(spm_lock); +/* CLK_SCP_CFG_0 */ +#define SPM_CK_OFF_CONTROL (0x3FF) + +/* CLK_SCP_CFG_1 */ +#define SPM_AXI_26M_SEL (0x1) + +/* AP_PLL_CON3 */ +#define SPM_PLL_CONTROL (0x7FAAAAF) + +/* AP_PLL_CON4 */ +#define SPM_PLL_OUT_OFF_CONTROL (0xFA0A) + +/* AP_PLL_CON6 */ +#define PLL_DLY (0x20000) + const char *wakeup_src_str[32] = { [0] = "R12_PCM_TIMER", [1] = "R12_SSPM_WDT_EVENT_B", @@ -324,5 +339,14 @@ void spm_boot_init(void) spm_lock_init(); mt_spm_pmic_wrap_set_phase(PMIC_WRAP_PHASE_ALLINONE); + /* switch ck_off/axi_26m control to SPM */ + mmio_setbits_32(CLK_SCP_CFG_0, SPM_CK_OFF_CONTROL); + mmio_setbits_32(CLK_SCP_CFG_1, SPM_AXI_26M_SEL); + + /* switch PLL/CLKSQ control to SPM */ + mmio_clrbits_32(AP_PLL_CON3, SPM_PLL_CONTROL); + mmio_clrbits_32(AP_PLL_CON4, SPM_PLL_OUT_OFF_CONTROL); + mmio_clrbits_32(AP_PLL_CON6, PLL_DLY); + NOTICE("%s() end\n", __func__); } |