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...@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();
}
--
1.8.5
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