From ccde6771dca4e792018392931d3c30b10ce137b1 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Mon, 31 Mar 2014 11:52:51 +0900 Subject: [PATCH] arm: rmobile: koelsch: Change to maximum CPU frequency 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 Signed-off-by: Nobuhiro Iwamatsu --- 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 d4f63724b4..bfd0cc6884 100644 --- a/board/renesas/koelsch/koelsch.c +++ b/board/renesas/koelsch/koelsch.c @@ -19,19 +19,26 @@ #include #include #include +#include #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(); } -- 2.39.2