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>
This commit is contained in:
Nobuhiro Iwamatsu 2014-07-30 12:28:00 +09:00
parent 9f1c3beada
commit f212a8abf3

View File

@ -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();