diff options
| -rw-r--r-- | board/renesas/falcon/falcon.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/board/renesas/falcon/falcon.c b/board/renesas/falcon/falcon.c index 3e591e4b42..c3241bc21d 100644 --- a/board/renesas/falcon/falcon.c +++ b/board/renesas/falcon/falcon.c @@ -20,6 +20,31 @@ DECLARE_GLOBAL_DATA_PTR; #define CPGWPR 0xE6150000 #define CPGWPCR 0xE6150004 +#define EXTAL_CLK 16666600u +#define CNTCR_BASE 0xE6080000 +#define CNTFID0 (CNTCR_BASE + 0x020) +#define CNTCR_EN BIT(0) + +static void init_generic_timer(void) +{ + u32 freq; + + /* Set frequency data in CNTFID0 */ + freq = EXTAL_CLK; + + /* Update memory mapped and register based freqency */ + asm volatile ("msr cntfrq_el0, %0" :: "r" (freq)); + writel(freq, CNTFID0); + + /* Enable counter */ + setbits_le32(CNTCR_BASE, CNTCR_EN); +} + +void s_init(void) +{ + init_generic_timer(); +} + int board_early_init_f(void) { /* Unlock CPG access */ |