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bdk: pmc: rename pmc_enable_partition

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This commit is contained in:
CTCaer
2025-08-27 14:39:44 +03:00
parent 34a6cf3936
commit c63ccd0cdc
4 changed files with 27 additions and 22 deletions
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8
bdk/sec/tsec.c
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@@ -91,10 +91,10 @@ int tsec_query(void *tsec_keys, tsec_ctxt_t *tsec_ctxt)
if (type == TSEC_FW_TYPE_NEW)
{
// Disable all CCPLEX core rails.
pmc_enable_partition(POWER_RAIL_CE0, DISABLE);
pmc_enable_partition(POWER_RAIL_CE1, DISABLE);
pmc_enable_partition(POWER_RAIL_CE2, DISABLE);
pmc_enable_partition(POWER_RAIL_CE3, DISABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CE0, DISABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CE1, DISABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CE2, DISABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CE3, DISABLE);
// Enable AHB aperture and set it to full mmio.
mc_enable_ahb_redirect();

12
bdk/soc/ccplex.c
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@@ -90,11 +90,11 @@ void ccplex_boot_cpu0(u32 entry, bool lock)
CLOCK(CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2) &= 0xFFFFF000;
// Enable CPU main rail.
pmc_enable_partition(POWER_RAIL_CRAIL, ENABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CRAIL, ENABLE);
// Enable cluster 0 non-CPU rail.
pmc_enable_partition(POWER_RAIL_C0NC, ENABLE);
pmc_domain_pwrgate_set(POWER_RAIL_C0NC, ENABLE);
// Enable CPU0 rail.
pmc_enable_partition(POWER_RAIL_CE0, ENABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CE0, ENABLE);
// Request and wait for RAM repair. Needed for the Fast cluster.
FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) = RAM_REPAIR_REQ;
@@ -150,11 +150,11 @@ void ccplex_powergate_cpu0()
CLOCK(CLK_RST_CONTROLLER_RST_DEV_V_SET) = BIT(CLK_V_MSELECT);
// Disable CE0.
pmc_enable_partition(POWER_RAIL_CE0, DISABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CE0, DISABLE);
// Disable cluster 0 non-CPU.
pmc_enable_partition(POWER_RAIL_C0NC, DISABLE);
pmc_domain_pwrgate_set(POWER_RAIL_C0NC, DISABLE);
// Disable CPU rail.
pmc_enable_partition(POWER_RAIL_CRAIL, DISABLE);
pmc_domain_pwrgate_set(POWER_RAIL_CRAIL, DISABLE);
clock_disable_coresight();

17
bdk/soc/pmc.c
View File

@@ -99,17 +99,26 @@ void pmc_scratch_lock(pmc_sec_lock_t lock_mask)
}
}
int pmc_enable_partition(pmc_power_rail_t part, u32 enable)
/*
* !TODO: Non CCPLEX power domains power gating/ungating.
* Power gating: clock should be in reset if enabled and then
* pmc_domain_pwrgate_set is run.
* Power ungating: run pmc_domain_pwrgate_set, enable clocks and keep in
* reset, remove clamping, remove reset, run mbist war if T210 and then clocks
* can be disabled.
*/
int pmc_domain_pwrgate_set(pmc_power_rail_t part, u32 enable)
{
u32 part_mask = BIT(part);
u32 desired_state = enable << part;
// Check if the partition has the state we want.
// Check if the power domain has the state we want.
if ((PMC(APBDEV_PMC_PWRGATE_STATUS) & part_mask) == desired_state)
return 1;
u32 i = 5001;
while (PMC(APBDEV_PMC_PWRGATE_TOGGLE) & 0x100)
while (PMC(APBDEV_PMC_PWRGATE_TOGGLE) & PMC_PWRGATE_TOGGLE_START)
{
usleep(1);
i--;
@@ -118,7 +127,7 @@ int pmc_enable_partition(pmc_power_rail_t part, u32 enable)
}
// Toggle power gating.
PMC(APBDEV_PMC_PWRGATE_TOGGLE) = part | 0x100;
PMC(APBDEV_PMC_PWRGATE_TOGGLE) = part | PMC_PWRGATE_TOGGLE_START;
i = 5001;
while (i > 0)

12
bdk/soc/pmc.h
View File

@@ -37,6 +37,7 @@
#define PMC_CNTRL_SHUTDOWN_OE BIT(22)
#define APBDEV_PMC_SEC_DISABLE 0x4
#define APBDEV_PMC_PWRGATE_TOGGLE 0x30
#define PMC_PWRGATE_TOGGLE_START BIT(8)
#define APBDEV_PMC_PWRGATE_STATUS 0x38
#define APBDEV_PMC_NO_IOPOWER 0x44
#define PMC_NO_IOPOWER_MEM BIT(7)
@@ -219,19 +220,14 @@ typedef enum _pmc_sec_lock_t
typedef enum _pmc_power_rail_t
{
POWER_RAIL_CRAIL = 0,
POWER_RAIL_3D0 = 1,
POWER_RAIL_VENC = 2,
POWER_RAIL_VE = 2,
POWER_RAIL_PCIE = 3,
POWER_RAIL_VDEC = 4,
POWER_RAIL_L2C = 5,
POWER_RAIL_MPE = 6,
POWER_RAIL_HEG = 7,
POWER_RAIL_NVENC = 6,
POWER_RAIL_SATA = 8,
POWER_RAIL_CE1 = 9,
POWER_RAIL_CE2 = 10,
POWER_RAIL_CE3 = 11,
POWER_RAIL_CELP = 12,
POWER_RAIL_3D1 = 13,
POWER_RAIL_CE0 = 14,
POWER_RAIL_C0NC = 15,
POWER_RAIL_C1NC = 16,
@@ -251,6 +247,6 @@ typedef enum _pmc_power_rail_t
} pmc_power_rail_t;
void pmc_scratch_lock(pmc_sec_lock_t lock_mask);
int pmc_enable_partition(pmc_power_rail_t part, u32 enable);
int pmc_domain_pwrgate_set(pmc_power_rail_t part, u32 enable);
#endif