29 #include <mach/regs-clock.h>
33 #include <plat/cpu-freq-core.h>
49 	fclk = cfg->freq.fclk;  in s3c2412_cpufreq_calcdivs()
50 	armclk = cfg->freq.armclk;  in s3c2412_cpufreq_calcdivs()
51 	hclk_max = cfg->max.hclk;  in s3c2412_cpufreq_calcdivs()
62 		     __func__, cfg->freq.fclk, cfg->freq.armclk,  in s3c2412_cpufreq_calcdivs()
63 		     cfg->freq.hclk, cfg->freq.pclk);  in s3c2412_cpufreq_calcdivs()
72 	cfg->divs.arm_divisor = armdiv;  in s3c2412_cpufreq_calcdivs()
79 	cfg->freq.hclk = hclk = armdiv_clk / hdiv;  in s3c2412_cpufreq_calcdivs()
82 	cfg->divs.dvs = dvs = armclk < armdiv_clk;  in s3c2412_cpufreq_calcdivs()
85 	cfg->freq.armclk = dvs ? hclk : armdiv_clk;  in s3c2412_cpufreq_calcdivs()
88 		     __func__, armclk, hclk, armdiv, hdiv, cfg->divs.dvs);  in s3c2412_cpufreq_calcdivs()
93 	pdiv = (hclk > cfg->max.pclk) ? 2 : 1;  in s3c2412_cpufreq_calcdivs()
95 	if ((hclk / pdiv) > cfg->max.pclk)  in s3c2412_cpufreq_calcdivs()
98 	cfg->freq.pclk = hclk / pdiv;  in s3c2412_cpufreq_calcdivs()
109 	cfg->divs.h_divisor = hdiv * armdiv;  in s3c2412_cpufreq_calcdivs()
110 	cfg->divs.p_divisor = pdiv * armdiv;  in s3c2412_cpufreq_calcdivs()
115 	return -EINVAL;  in s3c2412_cpufreq_calcdivs()
120 	unsigned long clkdiv;  in s3c2412_cpufreq_setdivs()  local
123 	olddiv = clkdiv = __raw_readl(S3C2410_CLKDIVN);  in s3c2412_cpufreq_setdivs()
127 	clkdiv &= ~S3C2412_CLKDIVN_ARMDIVN;  in s3c2412_cpufreq_setdivs()
128 	clkdiv &= ~S3C2412_CLKDIVN_HDIVN_MASK;  in s3c2412_cpufreq_setdivs()
129 	clkdiv &= ~S3C2412_CLKDIVN_PDIVN;  in s3c2412_cpufreq_setdivs()
131 	if (cfg->divs.arm_divisor == 2)  in s3c2412_cpufreq_setdivs()
132 		clkdiv |= S3C2412_CLKDIVN_ARMDIVN;  in s3c2412_cpufreq_setdivs()
134 	clkdiv |= ((cfg->divs.h_divisor / cfg->divs.arm_divisor) - 1);  in s3c2412_cpufreq_setdivs()
136 	if (cfg->divs.p_divisor != cfg->divs.h_divisor)  in s3c2412_cpufreq_setdivs()
137 		clkdiv |= S3C2412_CLKDIVN_PDIVN;  in s3c2412_cpufreq_setdivs()
139 	s3c_freq_dbg("%s: div %08lx => %08lx\n", __func__, olddiv, clkdiv);  in s3c2412_cpufreq_setdivs()
140 	__raw_writel(clkdiv, S3C2410_CLKDIVN);  in s3c2412_cpufreq_setdivs()
142 	clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk);  in s3c2412_cpufreq_setdivs()
147 	struct s3c_cpufreq_board *board = cfg->board;  in s3c2412_cpufreq_setrefresh()
151 		     board->refresh, cfg->freq.hclk);  in s3c2412_cpufreq_setrefresh()
158 	refresh = (board->refresh / 10);  in s3c2412_cpufreq_setrefresh()
159 	refresh *= (cfg->freq.hclk / 100);  in s3c2412_cpufreq_setrefresh()
203 		return -ENOENT;  in s3c2412_cpufreq_add()
242 	return -ENOENT;  in s3c2412_cpufreq_add()