diff options
Diffstat (limited to 'src/soc/samsung/exynos5420/clk.h')
| -rw-r--r-- | src/soc/samsung/exynos5420/clk.h | 764 |
1 files changed, 764 insertions, 0 deletions
diff --git a/src/soc/samsung/exynos5420/clk.h b/src/soc/samsung/exynos5420/clk.h new file mode 100644 index 0000000000..83d4ad6320 --- /dev/null +++ b/src/soc/samsung/exynos5420/clk.h @@ -0,0 +1,764 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google Inc. + * Copyright (C) 2012 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef CPU_SAMSUNG_EXYNOS5420_CLK_H +#define CPU_SAMSUNG_EXYNOS5420_CLK_H + +#include <stdint.h> + +#include "cpu.h" + +enum periph_id; + +/* This master list of PLLs is ordered arbitrarily. */ +#define APLL 0 +#define MPLL 1 +#define EPLL 2 +#define HPLL 3 +#define VPLL 4 +#define BPLL 5 +#define RPLL 6 +#define SPLL 7 +#define CPLL 8 +#define DPLL 9 +#define IPLL 10 + +unsigned long get_pll_clk(int pllreg); +unsigned long get_arm_clk(void); +unsigned long get_pwm_clk(void); +unsigned long get_uart_clk(int dev_index); +void set_mmc_clk(int dev_index, unsigned int div); + +/** + * get the clk frequency of the required peripherial + * + * @param peripherial Peripherial id + * + * @return frequency of the peripherial clk + */ +unsigned long clock_get_periph_rate(enum periph_id peripheral); + +#include "pinmux.h" + + +#define MCT_HZ 24000000 + +/* + * Set mshci controller instances clock drivder + * + * @param enum periph_id instance of the mshci controller + * + * Return 0 if ok else -1 + */ +int clock_set_mshci(enum periph_id peripheral); + +/* + * Set dwmci controller instances clock drivder + * + * @param enum periph_id instance of the dwmci controller + * + * Return 0 if ok else -1 + */ +int clock_set_dwmci(enum periph_id peripheral); + +/* + * Sets the epll clockrate + * + * @param rate Required clock rate to the presacaler in Hz + * + * Return 0 if ok else -1 + */ +int clock_epll_set_rate(unsigned long rate); + +/* + * selects the clk source for I2S MCLK + */ +void clock_select_i2s_clk_source(void); + +/* + * Set prescaler division based on input and output frequency + * for i2s audio clock + * + * @param src_frq Source frequency in Hz + * @param dst_frq Required MCLK frequency in Hz + * + * Return 0 if ok else -1 + */ +int clock_set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq); + +struct exynos5420_clock { + uint32_t apll_lock; /* 0x10010000 */ + uint8_t res1[0xfc]; + uint32_t apll_con0; + uint32_t apll_con1; + uint8_t res2[0xf8]; + uint32_t clk_src_cpu; + uint8_t res3[0x1fc]; + uint32_t clk_mux_stat_cpu; + uint8_t res4[0xfc]; + uint32_t clk_div_cpu0; /* 0x10010500 */ + uint32_t clk_div_cpu1; + uint8_t res5[0xf8]; + uint32_t clk_div_stat_cpu0; + uint32_t clk_div_stat_cpu1; + uint8_t res6[0xf8]; + uint32_t clk_gate_bus_cpu; + uint8_t res7[0xfc]; + uint32_t clk_gate_sclk_cpu; + uint8_t res8[0x1fc]; + uint32_t clkout_cmu_cpu; /* 0x10010a00 */ + uint32_t clkout_cmu_cpu_div_stat; + uint8_t res9[0x5f8]; + uint32_t armclk_stopctrl; + uint8_t res10[0x4]; + uint32_t arm_ema_ctrl; + uint32_t arm_ema_status; + uint8_t res11[0x10]; + uint32_t pwr_ctrl; + uint32_t pwr_ctrl2; + uint8_t res12[0xd8]; + uint32_t apll_con0_l8; /* 0x1001100 */ + uint32_t apll_con0_l7; + uint32_t apll_con0_l6; + uint32_t apll_con0_l5; + uint32_t apll_con0_l4; + uint32_t apll_con0_l3; + uint32_t apll_con0_l2; + uint32_t apll_con0_l1; + uint32_t iem_control; + uint8_t res13[0xdc]; + uint32_t apll_con1_l8; /* 0x10011200 */ + uint32_t apll_con1_l7; + uint32_t apll_con1_l6; + uint32_t apll_con1_l5; + uint32_t apll_con1_l4; + uint32_t apll_con1_l3; + uint32_t apll_con1_l2; + uint32_t apll_con1_l1; + uint8_t res14[0xe0]; + uint32_t clkdiv_iem_l8; + uint32_t clkdiv_iem_l7; /* 0x10011304 */ + uint32_t clkdiv_iem_l6; + uint32_t clkdiv_iem_l5; + uint32_t clkdiv_iem_l4; + uint32_t clkdiv_iem_l3; + uint32_t clkdiv_iem_l2; + uint32_t clkdiv_iem_l1; + uint8_t res15[0xe0]; + uint32_t l2_status; + uint8_t res16[0x0c]; + uint32_t cpu_status; /* 0x10011410 */ + uint8_t res17[0x0c]; + uint32_t ptm_status; + uint8_t res18[0xbdc]; + uint32_t cmu_cpu_spare0; + uint32_t cmu_cpu_spare1; + uint32_t cmu_cpu_spare2; + uint32_t cmu_cpu_spare3; + uint32_t cmu_cpu_spare4; + uint8_t res19[0x1fdc]; + uint32_t cmu_cpu_version; + uint8_t res20[0x20c]; + uint32_t clk_src_cperi0; /* 0x10014200 */ + uint32_t clk_src_cperi1; + uint8_t res21[0xf8]; + uint32_t clk_src_mask_cperi; + uint8_t res22[0x100]; + uint32_t clk_mux_stat_cperi1; + uint8_t res23[0xfc]; + uint32_t clk_div_cperi1; + uint8_t res24[0xfc]; + uint32_t clk_div_stat_cperi1; + uint8_t res25[0xf8]; + uint32_t clk_gate_bus_cperi0; /* 0x10014700 */ + uint32_t clk_gate_bus_cperi1; + uint8_t res26[0xf8]; + uint32_t clk_gate_sclk_cperi; + uint8_t res27[0xfc]; + uint32_t clk_gate_ip_cperi; + uint8_t res28[0xfc]; + uint32_t clkout_cmu_cperi; + uint32_t clkout_cmu_cperi_div_stat; + uint8_t res29[0x5f8]; + uint32_t dcgidx_map0; /* 0x10015000 */ + uint32_t dcgidx_map1; + uint32_t dcgidx_map2; + uint8_t res30[0x14]; + uint32_t dcgperf_map0; + uint32_t dcgperf_map1; + uint8_t res31[0x18]; + uint32_t dvcidx_map; + uint8_t res32[0x1c]; + uint32_t freq_cpu; + uint32_t freq_dpm; + uint8_t res33[0x18]; + uint32_t dvsemclk_en; /* 0x10015080 */ + uint32_t maxperf; + uint8_t res34[0x2e78]; + uint32_t cmu_cperi_spare0; + uint32_t cmu_cperi_spare1; + uint32_t cmu_cperi_spare2; + uint32_t cmu_cperi_spare3; + uint32_t cmu_cperi_spare4; + uint32_t cmu_cperi_spare5; + uint32_t cmu_cperi_spare6; + uint32_t cmu_cperi_spare7; + uint32_t cmu_cperi_spare8; + uint8_t res35[0xcc]; + uint32_t cmu_cperi_version; /* 0x10017ff0 */ + uint8_t res36[0x50c]; + uint32_t clk_div_g2d; + uint8_t res37[0xfc]; + uint32_t clk_div_stat_g2d; + uint8_t res38[0xfc]; + uint32_t clk_gate_bus_g2d; + uint8_t res39[0xfc]; + uint32_t clk_gate_ip_g2d; + uint8_t res40[0x1fc]; + uint32_t clkout_cmu_g2d; + uint32_t clkout_cmu_g2d_div_stat;/* 0x10018a04 */ + uint8_t res41[0xf8]; + uint32_t cmu_g2d_spare0; + uint32_t cmu_g2d_spare1; + uint32_t cmu_g2d_spare2; + uint32_t cmu_g2d_spare3; + uint32_t cmu_g2d_spare4; + uint8_t res42[0x34dc]; + uint32_t cmu_g2d_version; + uint8_t res43[0x30c]; + uint32_t clk_div_cmu_isp0; + uint32_t clk_div_cmu_isp1; + uint32_t clk_div_isp2; /* 0x1001c308 */ + uint8_t res44[0xf4]; + uint32_t clk_div_stat_cmu_isp0; + uint32_t clk_div_stat_cmu_isp1; + uint32_t clk_div_stat_isp2; + uint8_t res45[0x2f4]; + uint32_t clk_gate_bus_isp0; + uint32_t clk_gate_bus_isp1; + uint32_t clk_gate_bus_isp2; + uint32_t clk_gate_bus_isp3; + uint8_t res46[0xf0]; + uint32_t clk_gate_ip_isp0; + uint32_t clk_gate_ip_isp1; + uint8_t res47[0xf8]; + uint32_t clk_gate_sclk_isp; + uint8_t res48[0x0c]; + uint32_t mcuisp_pwr_ctrl; /* 0x1001c910 */ + uint8_t res49[0x0ec]; + uint32_t clkout_cmu_isp; + uint32_t clkout_cmu_isp_div_stat; + uint8_t res50[0xf8]; + uint32_t cmu_isp_spare0; + uint32_t cmu_isp_spare1; + uint32_t cmu_isp_spare2; + uint32_t cmu_isp_spare3; + uint8_t res51[0x34e0]; + uint32_t cmu_isp_version; + uint8_t res52[0x2c]; + uint32_t cpll_lock; /* 10020020 */ + uint8_t res53[0xc]; + uint32_t dpll_lock; + uint8_t res54[0xc]; + uint32_t epll_lock; + uint8_t res55[0xc]; + uint32_t rpll_lock; + uint8_t res56[0xc]; + uint32_t ipll_lock; + uint8_t res57[0xc]; + uint32_t spll_lock; + uint8_t res58[0xc]; + uint32_t vpll_lock; + uint8_t res59[0xc]; + uint32_t mpll_lock; + uint8_t res60[0x8c]; + uint32_t cpll_con0; /* 10020120 */ + uint32_t cpll_con1; + uint32_t dpll_con0; + uint32_t dpll_con1; + uint32_t epll_con0; + uint32_t epll_con1; + uint32_t epll_con2; + uint8_t res601[0x4]; + uint32_t rpll_con0; + uint32_t rpll_con1; + uint32_t rpll_con2; + uint8_t res602[0x4]; + uint32_t ipll_con0; + uint32_t ipll_con1; + uint8_t res61[0x8]; + uint32_t spll_con0; + uint32_t spll_con1; + uint8_t res62[0x8]; + uint32_t vpll_con0; + uint32_t vpll_con1; + uint8_t res63[0x8]; + uint32_t mpll_con0; + uint32_t mpll_con1; + uint8_t res64[0x78]; + uint32_t clk_src_top0; /* 0x10020200 */ + uint32_t clk_src_top1; + uint32_t clk_src_top2; + uint32_t clk_src_top3; + uint32_t clk_src_top4; + uint32_t clk_src_top5; + uint32_t clk_src_top6; + uint32_t clk_src_top7; + uint8_t res65[0xc]; + uint32_t clk_src_disp10; /* 0x1002022c */ + uint8_t res66[0x10]; + uint32_t clk_src_mau; + uint32_t clk_src_fsys; + uint8_t res67[0x8]; + uint32_t clk_src_peric0; + uint32_t clk_src_peric1; + uint8_t res68[0x18]; + uint32_t clk_src_isp; + uint8_t res69[0x0c]; + uint32_t clk_src_top10; + uint32_t clk_src_top11; + uint32_t clk_src_top12; + uint8_t res70[0x74]; + uint32_t clk_src_mask_top0; + uint32_t clk_src_mask_top1; + uint32_t clk_src_mask_top2; + uint8_t res71[0x10]; + uint32_t clk_src_mask_top7; + uint8_t res72[0xc]; + uint32_t clk_src_mask_disp10; /* 0x1002032c */ + uint8_t res73[0x4]; + uint32_t clk_src_mask_mau; + uint8_t res74[0x8]; + uint32_t clk_src_mask_fsys; + uint8_t res75[0xc]; + uint32_t clk_src_mask_peric0; + uint32_t clk_src_mask_peric1; + uint8_t res76[0x18]; + uint32_t clk_src_mask_isp; + uint8_t res77[0x8c]; + uint32_t clk_mux_stat_top0; /* 0x10020400 */ + uint32_t clk_mux_stat_top1; + uint32_t clk_mux_stat_top2; + uint32_t clk_mux_stat_top3; + uint32_t clk_mux_stat_top4; + uint32_t clk_mux_stat_top5; + uint32_t clk_mux_stat_top6; + uint32_t clk_mux_stat_top7; + uint8_t res78[0x60]; + uint32_t clk_mux_stat_top10; + uint32_t clk_mux_stat_top11; + uint32_t clk_mux_stat_top12; + uint8_t res79[0x74]; + uint32_t clk_div_top0; /* 0x10020500 */ + uint32_t clk_div_top1; + uint32_t clk_div_top2; + uint8_t res80[0x20]; + uint32_t clk_div_disp10; + uint8_t res81[0x14]; + uint32_t clk_div_mau; + uint32_t clk_div_fsys0; + uint32_t clk_div_fsys1; + uint32_t clk_div_fsys2; + uint8_t res82[0x4]; + uint32_t clk_div_peric0; + uint32_t clk_div_peric1; + uint32_t clk_div_peric2; + uint32_t clk_div_peric3; + uint32_t clk_div_peric4; /* 0x10020568 */ + uint8_t res83[0x14]; + uint32_t clk_div_isp0; + uint32_t clk_div_isp1; + uint8_t res84[0x8]; + uint32_t clkdiv2_ratio; + uint8_t res850[0xc]; + uint32_t clkdiv4_ratio; + uint8_t res85[0x5c]; + uint32_t clk_div_stat_top0; + uint32_t clk_div_stat_top1; + uint32_t clk_div_stat_top2; + uint8_t res86[0x20]; + uint32_t clk_div_stat_disp10; + uint8_t res87[0x14]; + uint32_t clk_div_stat_mau; /* 0x10020644 */ + uint32_t clk_div_stat_fsys0; + uint32_t clk_div_stat_fsys1; + uint32_t clk_div_stat_fsys2; + uint8_t res88[0x4]; + uint32_t clk_div_stat_peric0; + uint32_t clk_div_stat_peric1; + uint32_t clk_div_stat_peric2; + uint32_t clk_div_stat_peric3; + uint32_t clk_div_stat_peric4; + uint8_t res89[0x14]; + uint32_t clk_div_stat_isp0; + uint32_t clk_div_stat_isp1; + uint8_t res90[0x8]; + uint32_t clkdiv2_stat0; + uint8_t res91[0xc]; + uint32_t clkdiv4_stat; + uint8_t res92[0x5c]; + uint32_t clk_gate_bus_top; /* 0x10020700 */ + uint8_t res93[0xc]; + uint32_t clk_gate_bus_gscl0; + uint8_t res94[0xc]; + uint32_t clk_gate_bus_gscl1; + uint8_t res95[0x4]; + uint32_t clk_gate_bus_disp1; + uint8_t res96[0x4]; + uint32_t clk_gate_bus_wcore; + uint32_t clk_gate_bus_mfc; + uint32_t clk_gate_bus_g3d; + uint32_t clk_gate_bus_gen; + uint32_t clk_gate_bus_fsys0; + uint32_t clk_gate_bus_fsys1; + uint32_t clk_gate_bus_fsys2; + uint32_t clk_gate_bus_mscl; + uint32_t clk_gate_bus_peric; + uint32_t clk_gate_bus_peric1; + uint8_t res97[0x8]; + uint32_t clk_gate_bus_peris0; + uint32_t clk_gate_bus_peris1; /* 0x10020764 */ + uint8_t res98[0x8]; + uint32_t clk_gate_bus_noc; + uint8_t res99[0xac]; + uint32_t clk_gate_top_sclk_gscl; + uint8_t res1000[0x4]; + uint32_t clk_gate_top_sclk_disp1; + uint8_t res100[0x10]; + uint32_t clk_gate_top_sclk_mau; + uint32_t clk_gate_top_sclk_fsys; + uint8_t res101[0xc]; + uint32_t clk_gate_top_sclk_peric; + uint8_t res102[0xc]; + uint32_t clk_gate_top_sclk_cperi; + uint8_t res103[0xc]; + uint32_t clk_gate_top_sclk_isp; + uint8_t res104[0x9c]; + uint32_t clk_gate_ip_gscl0; + uint8_t res105[0xc]; + uint32_t clk_gate_ip_gscl1; + uint8_t res106[0x4]; + uint32_t clk_gate_ip_disp1; + uint32_t clk_gate_ip_mfc; + uint32_t clk_gate_ip_g3d; + uint32_t clk_gate_ip_gen; /* 0x10020934 */ + uint8_t res107[0xc]; + uint32_t clk_gate_ip_fsys; + uint8_t res108[0x8]; + uint32_t clk_gate_ip_peric; + uint8_t res109[0xc]; + uint32_t clk_gate_ip_peris; + uint8_t res110[0xc]; + uint32_t clk_gate_ip_mscl; + uint8_t res111[0xc]; + uint32_t clk_gate_ip_block; + uint8_t res112[0xc]; + uint32_t bypass; + uint8_t res113[0x6c]; + uint32_t clkout_cmu_top; + uint32_t clkout_cmu_top_div_stat; + uint8_t res114[0xf8]; + uint32_t clkout_top_spare0; + uint32_t clkout_top_spare1; + uint32_t clkout_top_spare2; + uint32_t clkout_top_spare3; + uint8_t res115[0x34e0]; + uint32_t clkout_top_version; + uint8_t res116[0xc01c]; + uint32_t bpll_lock; /* 0x10030010 */ + uint8_t res117[0xfc]; + uint32_t bpll_con0; + uint32_t bpll_con1; + uint8_t res118[0xe8]; + uint32_t clk_src_cdrex; + uint8_t res119[0x1fc]; + uint32_t clk_mux_stat_cdrex; + uint8_t res120[0xfc]; + uint32_t clk_div_cdrex0; + uint32_t clk_div_cdrex1; + uint8_t res121[0xf8]; + uint32_t clk_div_stat_cdrex; + uint8_t res1211[0xfc]; + uint32_t clk_gate_bus_cdrex; + uint32_t clk_gate_bus_cdrex1; + uint8_t res122[0x1f8]; + uint32_t clk_gate_ip_cdrex; + uint8_t res123[0x10]; + uint32_t dmc_freq_ctrl; /* 0x10030914 */ + uint8_t res124[0x4]; + uint32_t pause; + uint32_t ddrphy_lock_ctrl; + uint8_t res125[0xdc]; + uint32_t clkout_cmu_cdrex; + uint32_t clkout_cmu_cdrex_div_stat; + uint8_t res126[0x8]; + uint32_t lpddr3phy_ctrl; + uint32_t lpddr3phy_con0; + uint32_t lpddr3phy_con1; + uint32_t lpddr3phy_con2; + uint32_t lpddr3phy_con3; + uint32_t lpddr3phy_con4; + uint32_t lpddr3phy_con5; /* 0x10030a28 */ + uint32_t pll_div2_sel; + uint8_t res127[0xd0]; + uint32_t cmu_cdrex_spare0; + uint32_t cmu_cdrex_spare1; + uint32_t cmu_cdrex_spare2; + uint32_t cmu_cdrex_spare3; + uint32_t cmu_cdrex_spare4; + uint8_t res128[0x34dc]; + uint32_t cmu_cdrex_version; /* 0x10033ff0 */ + uint8_t res129[0x400c]; + uint32_t kpll_lock; + uint8_t res130[0xfc]; + uint32_t kpll_con0; + uint32_t kpll_con1; + uint8_t res131[0xf8]; + uint32_t clk_src_kfc; + uint8_t res132[0x1fc]; + uint32_t clk_mux_stat_kfc; /* 0x10038400 */ + uint8_t res133[0xfc]; + uint32_t clk_div_kfc0; + uint8_t res134[0xfc]; + uint32_t clk_div_stat_kfc0; + uint8_t res135[0xfc]; + uint32_t clk_gate_bus_cpu_kfc; + uint8_t res136[0xfc]; + uint32_t clk_gate_sclk_cpu_kfc; + uint8_t res137[0x1fc]; + uint32_t clkout_cmu_kfc; + uint32_t clkout_cmu_kfc_div_stat;/* 0x10038a04 */ + uint8_t res138[0x5f8]; + uint32_t armclk_stopctrl_kfc; + uint8_t res139[0x4]; + uint32_t armclk_ema_ctrl_kfc; + uint32_t armclk_ema_status_kfc; + uint8_t res140[0x10]; + uint32_t pwr_ctrl_kfc; + uint32_t pwr_ctrl2_kfc; + uint8_t res141[0xd8]; + uint32_t kpll_con0_l8; + uint32_t kpll_con0_l7; + uint32_t kpll_con0_l6; + uint32_t kpll_con0_l5; + uint32_t kpll_con0_l4; + uint32_t kpll_con0_l3; + uint32_t kpll_con0_l2; + uint32_t kpll_con0_l1; + uint32_t iem_control_kfc; /* 0x10039120 */ + uint8_t res142[0xdc]; + uint32_t kpll_con1_l8; + uint32_t kpll_con1_l7; + uint32_t kpll_con1_l6; + uint32_t kpll_con1_l5; + uint32_t kpll_con1_l4; + uint32_t kpll_con1_l3; + uint32_t kpll_con1_l2; + uint32_t kpll_con1_l1; + uint8_t res143[0xe0]; + uint32_t clkdiv_iem_l8_kfc; /* 0x10039300 */ + uint32_t clkdiv_iem_l7_kfc; + uint32_t clkdiv_iem_l6_kfc; + uint32_t clkdiv_iem_l5_kfc; + uint32_t clkdiv_iem_l4_kfc; + uint32_t clkdiv_iem_l3_kfc; + uint32_t clkdiv_iem_l2_kfc; + uint32_t clkdiv_iem_l1_kfc; + uint8_t res144[0xe0]; + uint32_t l2_status_kfc; + uint8_t res145[0xc]; + uint32_t cpu_status_kfc; /* 0x10039410 */ + uint8_t res146[0xc]; + uint32_t ptm_status_kfc; + uint8_t res147[0xbdc]; + uint32_t cmu_kfc_spare0; + uint32_t cmu_kfc_spare1; + uint32_t cmu_kfc_spare2; + uint32_t cmu_kfc_spare3; + uint32_t cmu_kfc_spare4; + uint8_t res148[0x1fdc]; + uint32_t cmu_kfc_version; /* 0x1003bff0 */ +}; + +static struct exynos5420_clock * const exynos_clock = + (void *)EXYNOS5_CLOCK_BASE; + +struct exynos5_mct { + uint32_t mct_cfg; + uint8_t reserved0[0xfc]; + uint32_t g_cnt_l; + uint32_t g_cnt_u; + uint8_t reserved1[0x8]; + uint32_t g_cnt_wstat; + uint8_t reserved2[0xec]; + uint32_t g_comp0_l; + uint32_t g_comp0_u; + uint32_t g_comp0_addr_incr; + uint8_t reserved3[0x4]; + uint32_t g_comp1_l; + uint32_t g_comp1_u; + uint32_t g_comp1_addr_incr; + uint8_t reserved4[0x4]; + uint32_t g_comp2_l; + uint32_t g_comp2_u; + uint32_t g_comp2_addr_incr; + uint8_t reserved5[0x4]; + uint32_t g_comp3_l; + uint32_t g_comp3_u; + uint32_t g_comp3_addr_incr; + uint8_t reserved6[0x4]; + uint32_t g_tcon; + uint32_t g_int_cstat; + uint32_t g_int_enb; + uint32_t g_wstat; + uint8_t reserved7[0xb0]; + uint32_t l0_tcntb; + uint32_t l0_tcnto; + uint32_t l0_icntb; + uint32_t l0_icnto; + uint32_t l0_frcntb; + uint32_t l0_frcnto; + uint8_t reserved8[0x8]; + uint32_t l0_tcon; + uint8_t reserved9[0xc]; + uint32_t l0_int_cstat; + uint32_t l0_int_enb; + uint8_t reserved10[0x8]; + uint32_t l0_wstat; + uint8_t reserved11[0xbc]; + uint32_t l1_tcntb; + uint32_t l1_tcnto; + uint32_t l1_icntb; + uint32_t l1_icnto; + uint32_t l1_frcntb; + uint32_t l1_frcnto; + uint8_t reserved12[0x8]; + uint32_t l1_tcon; + uint8_t reserved13[0xc]; + uint32_t l1_int_cstat; + uint32_t l1_int_enb; + uint8_t reserved14[0x8]; + uint32_t l1_wstat; +}; + +static struct exynos5_mct * const exynos_mct = + (void *)EXYNOS5_MULTI_CORE_TIMER_BASE; + +#define EXYNOS5_EPLLCON0_LOCKED_SHIFT 29 /* EPLL Locked bit position*/ +#define EPLL_SRC_CLOCK 24000000 /*24 MHz Cristal Input */ +#define TIMEOUT_EPLL_LOCK 1000 + +#define AUDIO_0_RATIO_MASK 0x0f +#define AUDIO_1_RATIO_MASK 0x0f + +#define CLK_SRC_PERIC1 0x254 +#define AUDIO1_SEL_MASK 0xf +#define CLK_SRC_AUDIOCDCLK1 0x0 +#define CLK_SRC_XXTI 0x1 +#define CLK_SRC_SCLK_EPLL 0x7 + +/* CON0 bit-fields */ +#define EPLL_CON0_MDIV_MASK 0x1ff +#define EPLL_CON0_PDIV_MASK 0x3f +#define EPLL_CON0_SDIV_MASK 0x7 +#define EPLL_CON0_LOCKED_SHIFT 29 +#define EPLL_CON0_MDIV_SHIFT 16 +#define EPLL_CON0_PDIV_SHIFT 8 +#define EPLL_CON0_SDIV_SHIFT 0 +#define EPLL_CON0_LOCK_DET_EN_SHIFT 28 +#define EPLL_CON0_LOCK_DET_EN_MASK 1 + +/* structure for epll configuration used in audio clock configuration */ +struct st_epll_con_val { + unsigned int freq_out; /* frequency out */ + unsigned int en_lock_det; /* enable lock detect */ + unsigned int m_div; /* m divider value */ + unsigned int p_div; /* p divider value */ + unsigned int s_div; /* s divider value */ + unsigned int k_dsm; /* k value of delta signal modulator */ +}; + +/** + * Low-level function to set the clock pre-ratio for a peripheral + * + * @param periph_id Peripheral ID of peripheral to change + * @param divisor New divisor for this peripheral's clock + */ +void clock_ll_set_pre_ratio(enum periph_id periph_id, unsigned divisor); + +/** + * Low-level function to set the clock ratio for a peripheral + * + * @param periph_id Peripheral ID of peripheral to change + * @param divisor New divisor for this peripheral's clock + */ +void clock_ll_set_ratio(enum periph_id periph_id, unsigned divisor); + +/** + * Low-level function that selects the best clock scalars for a given rate and + * sets up the given peripheral's clock accordingly. + * + * @param periph_id Peripheral ID of peripheral to change + * @param rate Desired clock rate in Hz + * + * @return zero on success, negative on error + */ +int clock_set_rate(enum periph_id periph_id, unsigned int rate); + +/* Clock gate unused IP */ +void clock_gate(void); + +void mct_start(void); +uint64_t mct_raw_value(void); + +#include "dmc.h" + +/* These are the ratio's for configuring ARM clock */ +struct arm_clk_ratios { + unsigned int arm_freq_mhz; /* Frequency of ARM core in MHz */ + + unsigned int apll_mdiv; + unsigned int apll_pdiv; + unsigned int apll_sdiv; + + unsigned int arm2_ratio; + unsigned int apll_ratio; + unsigned int pclk_dbg_ratio; + unsigned int atb_ratio; + unsigned int periph_ratio; + unsigned int acp_ratio; + unsigned int cpud_ratio; + unsigned int arm_ratio; +}; + +/** + * Get the clock ratios for CPU configuration + * + * @return pointer to the clock ratios that we should use + */ +struct arm_clk_ratios *get_arm_clk_ratios(void); + +/* + * Initialize clock for the device + */ +struct mem_timings; +void system_clock_init(void); + +#endif |