Maximum CPU clock of R8A7791 that are used in koelsch board is 1.5GHz. This change to use the maximum clock in this board.
Signed-off-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com --- board/renesas/koelsch/koelsch.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c index d4f6372..bfd0cc6 100644 --- a/board/renesas/koelsch/koelsch.c +++ b/board/renesas/koelsch/koelsch.c @@ -19,19 +19,26 @@ #include <netdev.h> #include <miiphy.h> #include <i2c.h> +#include <div64.h> #include "qos.h"
DECLARE_GLOBAL_DATA_PTR;
+#define CLK2MHZ(clk) (clk / 1000 / 1000) void s_init(void) { struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; + u32 stc;
/* Watchdog init */ writel(0xA5A5A500, &rwdt->rwtcsra); writel(0xA5A5A500, &swdt->swtcsra);
+ /* CPU frequency setting. Set to 1.5GHz */ + stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT; + clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc); + /* QoS */ qos_init(); }