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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2014-07-30 12:28:00 +0900
committerNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2014-10-09 14:45:03 +0900
commitf212a8abf3dc3715b95ce3c187c7402ee40788e6 (patch)
treeffdf735de96e973e26d5b4752c6387cf313fffbb /board/renesas
parent9f1c3beada5a3b70318def14b6b04355d41baa82 (diff)
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arm: rmobile: lager: Fix CPU frequency setting
Setting to change the CPU frequency is only used version2. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Diffstat (limited to 'board/renesas')
-rw-r--r--board/renesas/lager/lager.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/board/renesas/lager/lager.c b/board/renesas/lager/lager.c
index a5a0474..5302839 100644
--- a/board/renesas/lager/lager.c
+++ b/board/renesas/lager/lager.c
@@ -29,15 +29,17 @@ 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 1.4GHz */
- stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT;
- clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
+ if (rmobile_get_cpu_rev_integer() >= R8A7790_CUT_ES2X) {
+ u32 stc = ((1400 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1)
+ << PLL0_STC_BIT;
+ clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
+ }
/* QoS(Quality-of-Service) Init */
qos_init();