diff options
| -rw-r--r-- | firmware/target/arm/imx233/emi-imx233.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/firmware/target/arm/imx233/emi-imx233.c b/firmware/target/arm/imx233/emi-imx233.c index 8145f38..d69dc4a 100644 --- a/firmware/target/arm/imx233/emi-imx233.c +++ b/firmware/target/arm/imx233/emi-imx233.c @@ -89,6 +89,7 @@ static struct emi_reg_t settings_155M[15] ICONST_ATTR __attribute__((alias("sett static void set_frequency(unsigned long freq) ICODE_ATTR; +#if IMX233_SUBTARGET >= 3700 static void set_frequency(unsigned long freq) { /** WARNING all restriction of imx233_emi_set_frequency apply here !! */ @@ -144,7 +145,7 @@ void imx233_emi_set_frequency(unsigned long freq) * possible in this state anyway. * WARNING DANGER don't call any external function when sdram is disabled * otherwise you'll poke sdram and trigger a fatal data abort ! */ - + /* first disable all interrupts */ int oldstatus = disable_interrupt_save(IRQ_FIQ_STATUS); /* flush the cache */ @@ -172,7 +173,10 @@ void imx233_emi_set_frequency(unsigned long freq) /* wait for transition */ while(BF_RD(CLKCTRL_EMI, BUSY_REF_XTAL)); /* put emi dll into reset mode */ + // FIXME Unsure about what to do for stmp37xx +#if IMX233_SUBTARGET >= 3780 HW_EMI_CTRL_SET = BM_EMI_CTRL_DLL_RESET | BM_EMI_CTRL_DLL_SHIFT_RESET; +#endif /* load the new frequency dividers */ set_frequency(freq); /* switch emi back to pll */ @@ -180,7 +184,9 @@ void imx233_emi_set_frequency(unsigned long freq) /* wait for transition */ while(BF_RD(CLKCTRL_EMI, BUSY_REF_EMI)); /* allow emi dll to lock again */ +#if IMX233_SUBTARGET >= 3780 HW_EMI_CTRL_CLR = BM_EMI_CTRL_DLL_RESET | BM_EMI_CTRL_DLL_SHIFT_RESET; +#endif /* wait for lock */ while(!BF_RD(DRAM_CTL04, DLLLOCKREG)); /* get DRAM out of self-refresh mode */ @@ -190,3 +196,4 @@ void imx233_emi_set_frequency(unsigned long freq) restore_interrupt(oldstatus); } +#endif |