+#include <asm/arch/periph.h>
+
+#define PLL_DIV_1024 1024
+#define PLL_DIV_65535 65535
+#define PLL_DIV_65536 65536
+
+/* *
+ * This structure is to store the src bit, div bit and prediv bit
+ * positions of the peripheral clocks of the src and div registers
+ */
+struct clk_bit_info {
+ enum periph_id id;
+ int32_t src_mask;
+ int32_t div_mask;
+ int32_t prediv_mask;
+ int8_t src_bit;
+ int8_t div_bit;
+ int8_t prediv_bit;
+};
+
+static struct clk_bit_info exynos5_bit_info[] = {
+ /* periph id s_mask d_mask p_mask s_bit d_bit p_bit */
+ {PERIPH_ID_UART0, 0xf, 0xf, -1, 0, 0, -1},
+ {PERIPH_ID_UART1, 0xf, 0xf, -1, 4, 4, -1},
+ {PERIPH_ID_UART2, 0xf, 0xf, -1, 8, 8, -1},
+ {PERIPH_ID_UART3, 0xf, 0xf, -1, 12, 12, -1},
+ {PERIPH_ID_I2C0, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_I2C1, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_I2C2, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_I2C3, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_I2C4, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_I2C5, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_I2C6, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_I2C7, -1, 0x7, 0x7, -1, 24, 0},
+ {PERIPH_ID_SPI0, 0xf, 0xf, 0xff, 16, 0, 8},
+ {PERIPH_ID_SPI1, 0xf, 0xf, 0xff, 20, 16, 24},
+ {PERIPH_ID_SPI2, 0xf, 0xf, 0xff, 24, 0, 8},
+ {PERIPH_ID_SDMMC0, 0xf, 0xf, 0xff, 0, 0, 8},
+ {PERIPH_ID_SDMMC1, 0xf, 0xf, 0xff, 4, 16, 24},
+ {PERIPH_ID_SDMMC2, 0xf, 0xf, 0xff, 8, 0, 8},
+ {PERIPH_ID_SDMMC3, 0xf, 0xf, 0xff, 12, 16, 24},
+ {PERIPH_ID_I2S0, 0xf, 0xf, 0xff, 0, 0, 4},
+ {PERIPH_ID_I2S1, 0xf, 0xf, 0xff, 4, 12, 16},
+ {PERIPH_ID_SPI3, 0xf, 0xf, 0xff, 0, 0, 4},
+ {PERIPH_ID_SPI4, 0xf, 0xf, 0xff, 4, 12, 16},
+ {PERIPH_ID_SDMMC4, 0xf, 0xf, 0xff, 16, 0, 8},
+ {PERIPH_ID_PWM0, 0xf, 0xf, -1, 24, 0, -1},
+ {PERIPH_ID_PWM1, 0xf, 0xf, -1, 24, 0, -1},
+ {PERIPH_ID_PWM2, 0xf, 0xf, -1, 24, 0, -1},
+ {PERIPH_ID_PWM3, 0xf, 0xf, -1, 24, 0, -1},
+ {PERIPH_ID_PWM4, 0xf, 0xf, -1, 24, 0, -1},
+
+ {PERIPH_ID_NONE, -1, -1, -1, -1, -1, -1},
+};
+
+static struct clk_bit_info exynos542x_bit_info[] = {
+ /* periph id s_mask d_mask p_mask s_bit d_bit p_bit */
+ {PERIPH_ID_UART0, 0xf, 0xf, -1, 4, 8, -1},
+ {PERIPH_ID_UART1, 0xf, 0xf, -1, 8, 12, -1},
+ {PERIPH_ID_UART2, 0xf, 0xf, -1, 12, 16, -1},
+ {PERIPH_ID_UART3, 0xf, 0xf, -1, 16, 20, -1},
+ {PERIPH_ID_I2C0, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C1, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C2, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C3, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C4, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C5, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C6, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C7, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_SPI0, 0xf, 0xf, 0xff, 20, 20, 8},
+ {PERIPH_ID_SPI1, 0xf, 0xf, 0xff, 24, 24, 16},
+ {PERIPH_ID_SPI2, 0xf, 0xf, 0xff, 28, 28, 24},
+ {PERIPH_ID_SDMMC0, 0x7, 0x3ff, -1, 8, 0, -1},
+ {PERIPH_ID_SDMMC1, 0x7, 0x3ff, -1, 12, 10, -1},
+ {PERIPH_ID_SDMMC2, 0x7, 0x3ff, -1, 16, 20, -1},
+ {PERIPH_ID_I2C8, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2C9, -1, 0x3f, -1, -1, 8, -1},
+ {PERIPH_ID_I2S0, 0xf, 0xf, 0xff, 0, 0, 4},
+ {PERIPH_ID_I2S1, 0xf, 0xf, 0xff, 4, 12, 16},
+ {PERIPH_ID_SPI3, 0xf, 0xf, 0xff, 12, 16, 0},
+ {PERIPH_ID_SPI4, 0xf, 0xf, 0xff, 16, 20, 8},
+ {PERIPH_ID_PWM0, 0xf, 0xf, -1, 24, 28, -1},
+ {PERIPH_ID_PWM1, 0xf, 0xf, -1, 24, 28, -1},
+ {PERIPH_ID_PWM2, 0xf, 0xf, -1, 24, 28, -1},
+ {PERIPH_ID_PWM3, 0xf, 0xf, -1, 24, 28, -1},
+ {PERIPH_ID_PWM4, 0xf, 0xf, -1, 24, 28, -1},
+ {PERIPH_ID_I2C10, -1, 0x3f, -1, -1, 8, -1},
+
+ {PERIPH_ID_NONE, -1, -1, -1, -1, -1, -1},
+};
+
+/* Epll Clock division values to achive different frequency output */
+static struct set_epll_con_val exynos5_epll_div[] = {
+ { 192000000, 0, 48, 3, 1, 0 },
+ { 180000000, 0, 45, 3, 1, 0 },
+ { 73728000, 1, 73, 3, 3, 47710 },
+ { 67737600, 1, 90, 4, 3, 20762 },
+ { 49152000, 0, 49, 3, 3, 9961 },
+ { 45158400, 0, 45, 3, 3, 10381 },
+ { 180633600, 0, 45, 3, 1, 10381 }
+};
+
+/* exynos: return pll clock frequency */
+static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)
+{
+ unsigned long m, p, s = 0, mask, fout;
+ unsigned int div;
+ unsigned int freq;
+ /*
+ * APLL_CON: MIDV [25:16]
+ * MPLL_CON: MIDV [25:16]
+ * EPLL_CON: MIDV [24:16]
+ * VPLL_CON: MIDV [24:16]
+ * BPLL_CON: MIDV [25:16]: Exynos5
+ */
+ if (pllreg == APLL || pllreg == MPLL || pllreg == BPLL ||
+ pllreg == SPLL)
+ mask = 0x3ff;
+ else
+ mask = 0x1ff;
+
+ m = (r >> 16) & mask;
+
+ /* PDIV [13:8] */
+ p = (r >> 8) & 0x3f;
+ /* SDIV [2:0] */
+ s = r & 0x7;
+
+ freq = CONFIG_SYS_CLK_FREQ;
+
+ if (pllreg == EPLL || pllreg == RPLL) {
+ k = k & 0xffff;
+ /* FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV) */
+ fout = (m + k / PLL_DIV_65536) * (freq / (p * (1 << s)));
+ } else if (pllreg == VPLL) {
+ k = k & 0xfff;
+
+ /*
+ * Exynos4210
+ * FOUT = (MDIV + K / 1024) * FIN / (PDIV * 2^SDIV)
+ *
+ * Exynos4412
+ * FOUT = (MDIV + K / 65535) * FIN / (PDIV * 2^SDIV)
+ *
+ * Exynos5250
+ * FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV)
+ */
+ if (proid_is_exynos4210())
+ div = PLL_DIV_1024;
+ else if (proid_is_exynos4412())
+ div = PLL_DIV_65535;
+ else if (proid_is_exynos5250() || proid_is_exynos5420()
+ || proid_is_exynos5800())
+ div = PLL_DIV_65536;
+ else
+ return 0;
+
+ fout = (m + k / div) * (freq / (p * (1 << s)));
+ } else {
+ /*
+ * Exynos4412 / Exynos5250
+ * FOUT = MDIV * FIN / (PDIV * 2^SDIV)
+ *
+ * Exynos4210
+ * FOUT = MDIV * FIN / (PDIV * 2^(SDIV-1))
+ */
+ if (proid_is_exynos4210())
+ fout = m * (freq / (p * (1 << (s - 1))));
+ else
+ fout = m * (freq / (p * (1 << s)));
+ }
+ return fout;
+}