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tb: Allow to differentiate clocks after POR at init state from chip level #173

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tb: Allow to differentiate clocks after POR at init state from chip level #173

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605c5ed
sw: Add clock init function symbol
alex96295 Oct 4, 2023
7a9db7d
sw: Prevent CAR_SW_LIBS overwrite a previous definition
alex96295 Oct 5, 2023
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5 changes: 5 additions & 0 deletions sw/include/car_util.h
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Original file line number Diff line number Diff line change
Expand Up @@ -204,6 +204,10 @@ void car_disable_domain(enum car_rst rst)
car_set_isolate(rst, CAR_ISOLATE_ENABLE);
}

// Init clock after PoR. Define if required (for PLL configuration, clk mux selection signals, clk
// dividers division values, etc)
void car_clk_init(void) __attribute__((weak));

// De-isolate and ungate domains at startup. In non-secure boot mode, only the host domain is
// de-isolated and ungated after POR. In secure boot mode, both the host domain and the security
// domain are de-isolated and ungated after POR. Note that L2 and peripheral domain are always-on
Expand All @@ -225,6 +229,7 @@ void car_enable_all_domains()

void car_init_start()
{
car_clk_init();
car_enable_all_domains();
}

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2 changes: 1 addition & 1 deletion sw/sw.mk
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Expand Up @@ -26,7 +26,7 @@ CAR_SW_LIB_SRCS_S = $(wildcard $(CAR_SW_DIR)/lib/*.S $(CAR_SW_DIR)/lib/**/*.S)
CAR_SW_LIB_SRCS_C = $(wildcard $(CAR_SW_DIR)/lib/*.c $(CAR_SW_DIR)/lib/**/*.c)
CAR_SW_LIB_SRCS_O = $(CAR_SW_DEPS_SRCS:.c=.o) $(CAR_SW_LIB_SRCS_S:.S=.o) $(CAR_SW_LIB_SRCS_C:.c=.o)

CAR_SW_LIBS = $(CAR_SW_DIR)/lib/libcarfield.a
CAR_SW_LIBS += $(CAR_SW_DIR)/lib/libcarfield.a

$(CAR_SW_DIR)/lib/libcarfield.a: $(CAR_SW_LIB_SRCS_O)
$(CHS_SW_AR) $(CHS_SW_ARFLAGS) -rcsv $@ $^
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