From: xxx <xxx@rock-chips.com>
Date: Fri, 17 May 2013 10:27:40 +0000 (+0800)
Subject: rk3028 support uart48M
X-Git-Tag: firefly_0821_release~7087
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a3ca26c0858cf3ee4ede1b7a0821b4eb2277bfa3;p=firefly-linux-kernel-4.4.55.git

rk3028 support uart48M
---

diff --git a/arch/arm/mach-rk30/board-rk3028-tb.c b/arch/arm/mach-rk30/board-rk3028-tb.c
index edaab5262ffe..6bd24afc3b14 100755
--- a/arch/arm/mach-rk30/board-rk3028-tb.c
+++ b/arch/arm/mach-rk30/board-rk3028-tb.c
@@ -2161,10 +2161,32 @@ static struct cpufreq_frequency_table dvfs_ddr_table[] = {
 //#define DVFS_CPU_TABLE_SIZE	(ARRAY_SIZE(dvfs_cpu_logic_table))
 //static struct cpufreq_frequency_table cpu_dvfs_table[DVFS_CPU_TABLE_SIZE];
 //static struct cpufreq_frequency_table dep_cpu2core_table[DVFS_CPU_TABLE_SIZE];
+int get_max_freq(struct cpufreq_frequency_table *table)
+{
+	int i,temp=0;
+	
+	for(i=0;table[i].frequency!= CPUFREQ_TABLE_END;i++)
+	{
+		if(temp<table[i].frequency)
+			temp=table[i].frequency;
+	}	
+	printk("get_max_freq=%d\n",temp);
+	return temp;
+}
 
 void __init board_clock_init(void)
 {
-	rk30_clock_data_init(periph_pll_default, codec_pll_default, RK30_CLOCKS_DEFAULT_FLAGS);
+
+	u32 flags=RK30_CLOCKS_DEFAULT_FLAGS;
+#if !defined(CONFIG_ARCH_RK3188)
+	if(get_max_freq(dvfs_gpu_table)<=(400*1000))
+	{	
+		flags=RK30_CLOCKS_DEFAULT_FLAGS|CLK_GPU_GPLL;
+	}
+	else
+		flags=RK30_CLOCKS_DEFAULT_FLAGS|CLK_GPU_CPLL;
+#endif	
+	rk30_clock_data_init(periph_pll_default, codec_pll_default, flags);
 	//dvfs_set_arm_logic_volt(dvfs_cpu_logic_table, cpu_dvfs_table, dep_cpu2core_table);	
 	dvfs_set_freq_volt_table(clk_get(NULL, "cpu"), dvfs_arm_table);
 	dvfs_set_freq_volt_table(clk_get(NULL, "gpu"), dvfs_gpu_table);