/* * 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_EXYNOS5250_CLK_H #define CPU_SAMSUNG_EXYNOS5250_CLK_H #include <stdint.h> #include "cpu.h" enum periph_id; #define APLL 0 #define MPLL 1 #define EPLL 2 #define HPLL 3 #define VPLL 4 #define BPLL 5 enum pll_src_bit { SRC_MPLL = 6, SRC_EPLL, SRC_VPLL, }; /* * * 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 { s8 src_bit; /* offset in register to clock source field */ s8 n_src_bits; /* number of bits in 'src_bit' field */ s8 div_bit; s8 prediv_bit; }; 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 divider * * @param enum periph_id instance of the mshci controller * * Return 0 if ok else -1 */ int clock_set_mshci(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 exynos5_clock { unsigned int apll_lock; /* base + 0 */ unsigned char res1[0xfc]; unsigned int apll_con0; unsigned int apll_con1; unsigned char res2[0xf8]; unsigned int src_cpu; unsigned char res3[0x1fc]; unsigned int mux_stat_cpu; unsigned char res4[0xfc]; unsigned int div_cpu0; unsigned int div_cpu1; unsigned char res5[0xf8]; unsigned int div_stat_cpu0; unsigned int div_stat_cpu1; unsigned char res6[0x1f8]; unsigned int gate_sclk_cpu; unsigned char res7[0x1fc]; unsigned int clkout_cmu_cpu; unsigned int clkout_cmu_cpu_div_stat; unsigned char res8[0x5f8]; unsigned int armclk_stopctrl; /* base + 0x1000 */ unsigned int atclk_stopctrl; unsigned char res9[0x8]; unsigned int parityfail_status; unsigned int parityfail_clear; unsigned char res10[0x8]; unsigned int pwr_ctrl; unsigned int pwr_ctr2; unsigned char res11[0xd8]; unsigned int apll_con0_l8; unsigned int apll_con0_l7; unsigned int apll_con0_l6; unsigned int apll_con0_l5; unsigned int apll_con0_l4; unsigned int apll_con0_l3; unsigned int apll_con0_l2; unsigned int apll_con0_l1; unsigned int iem_control; unsigned char res12[0xdc]; unsigned int apll_con1_l8; unsigned int apll_con1_l7; unsigned int apll_con1_l6; unsigned int apll_con1_l5; unsigned int apll_con1_l4; unsigned int apll_con1_l3; unsigned int apll_con1_l2; unsigned int apll_con1_l1; unsigned char res13[0xe0]; unsigned int div_iem_l8; unsigned int div_iem_l7; unsigned int div_iem_l6; unsigned int div_iem_l5; unsigned int div_iem_l4; unsigned int div_iem_l3; unsigned int div_iem_l2; unsigned int div_iem_l1; unsigned char res14[0x2ce0]; unsigned int mpll_lock; /* base + 0x4000 */ unsigned char res15[0xfc]; unsigned int mpll_con0; unsigned int mpll_con1; unsigned char res16[0xf8]; unsigned int src_core0; unsigned int src_core1; unsigned char res17[0xf8]; unsigned int src_mask_core; unsigned char res18[0x100]; unsigned int mux_stat_core1; unsigned char res19[0xf8]; unsigned int div_core0; unsigned int div_core1; unsigned int div_sysrgt; unsigned char res20[0xf4]; unsigned int div_stat_core0; unsigned int div_stat_core1; unsigned int div_stat_sysrgt; unsigned char res21[0x2f4]; unsigned int gate_ip_core; unsigned int gate_ip_sysrgt; unsigned char res22[0xf8]; unsigned int clkout_cmu_core; unsigned int clkout_cmu_core_div_stat; unsigned char res23[0x5f8]; unsigned int dcgidx_map0; /* base + 0x5000 */ unsigned int dcgidx_map1; unsigned int dcgidx_map2; unsigned char res24[0x14]; unsigned int dcgperf_map0; unsigned int dcgperf_map1; unsigned char res25[0x18]; unsigned int dvcidx_map; unsigned char res26[0x1c]; unsigned int freq_cpu; unsigned int freq_dpm; unsigned char res27[0x18]; unsigned int dvsemclk_en; unsigned int maxperf; unsigned char res28[0x3478]; unsigned int div_acp; /* base + 0x8500 */ unsigned char res29[0xfc]; unsigned int div_stat_acp; unsigned char res30[0x1fc]; unsigned int gate_ip_acp; unsigned char res31a[0xfc]; unsigned int div_syslft; unsigned char res31b[0xc]; unsigned int div_stat_syslft; unsigned char res31c[0xc]; unsigned int gate_bus_syslft; unsigned char res31d[0xdc]; unsigned int clkout_cmu_acp; unsigned int clkout_cmu_acp_div_stat; unsigned char res32[0x38f8]; unsigned int div_isp0; /* base + 0xc300 */ unsigned int div_isp1; unsigned int div_isp2; unsigned char res33[0xf4]; unsigned int div_stat_isp0; /* base + 0xc400 */ unsigned int div_stat_isp1; unsigned int div_stat_isp2; unsigned char res34[0x3f4]; unsigned int gate_ip_isp0; /* base + 0xc800 */ unsigned int gate_ip_isp1; unsigned char res35[0xf8]; unsigned int gate_sclk_isp; unsigned char res36[0xc]; unsigned int mcuisp_pwr_ctrl; unsigned char res37[0xec]; unsigned int clkout_cmu_isp; unsigned int clkout_cmu_isp_div_stat; unsigned char res38[0x3618]; unsigned int cpll_lock; /* base + 0x10020 */ unsigned char res39[0xc]; unsigned int epll_lock; unsigned char res40[0xc]; unsigned int vpll_lock; unsigned char res41a[0xc]; unsigned int gpll_lock; unsigned char res41b[0xcc]; unsigned int cpll_con0; unsigned int cpll_con1; unsigned char res42[0x8]; unsigned int epll_con0; unsigned int epll_con1; unsigned int epll_con2; unsigned char res43[0x4]; unsigned int vpll_con0; unsigned int vpll_con1; unsigned int vpll_con2; unsigned char res44a[0x4]; unsigned int gpll_con0; unsigned int gpll_con1; unsigned char res44b[0xb8]; unsigned int src_top0; unsigned int src_top1; unsigned int src_top2; unsigned int src_top3; unsigned int src_gscl; unsigned int src_disp0_0; unsigned int src_disp0_1; unsigned int src_disp1_0; unsigned int src_disp1_1; unsigned char res46[0xc]; unsigned int src_mau; unsigned int src_fsys; unsigned char res47[0x8]; unsigned int src_peric0; unsigned int src_peric1; unsigned char res48[0x18]; unsigned int sclk_src_isp; unsigned char res49[0x9c]; unsigned int src_mask_top; unsigned char res50[0xc]; unsigned int src_mask_gscl; unsigned int src_mask_disp0_0; unsigned int src_mask_disp0_1; unsigned int src_mask_disp1_0; unsigned int src_mask_disp1_1; unsigned int src_mask_maudio; unsigned char res52[0x8]; unsigned int src_mask_fsys; unsigned char res53[0xc]; unsigned int src_mask_peric0; unsigned int src_mask_peric1; unsigned char res54[0x18]; unsigned int src_mask_isp; unsigned char res55[0x9c]; unsigned int mux_stat_top0; unsigned int mux_stat_top1; unsigned int mux_stat_top2; unsigned int mux_stat_top3; unsigned char res56[0xf0]; unsigned int div_top0; unsigned int div_top1; unsigned char res57[0x8]; unsigned int div_gscl; unsigned int div_disp0_0; unsigned int div_disp0_1; unsigned int div_disp1_0; unsigned int div_disp1_1; unsigned char res59[0x8]; unsigned int div_gen; unsigned char res60[0x4]; unsigned int div_mau; unsigned int div_fsys0; unsigned int div_fsys1; unsigned int div_fsys2; unsigned int div_fsys3; unsigned int div_peric0; unsigned int div_peric1; unsigned int div_peric2; unsigned int div_peric3; unsigned int div_peric4; unsigned int div_peric5; unsigned char res61[0x10]; unsigned int sclk_div_isp; unsigned char res62[0xc]; unsigned int div2_ratio0; unsigned int div2_ratio1; unsigned char res63[0x8]; unsigned int div4_ratio; unsigned char res64[0x6c]; unsigned int div_stat_top0; unsigned int div_stat_top1; unsigned char res65[0x8]; unsigned int div_stat_gscl; unsigned int div_stat_disp0_0; unsigned int div_stat_disp0_1; unsigned int div_stat_disp1_0; unsigned int div_stat_disp1_1; unsigned char res67[0x8]; unsigned int div_stat_gen; unsigned char res68[0x4]; unsigned int div_stat_maudio; unsigned int div_stat_fsys0; unsigned int div_stat_fsys1; unsigned int div_stat_fsys2; unsigned int div_stat_fsys3; unsigned int div_stat_peric0; unsigned int div_stat_peric1; unsigned int div_stat_peric2; unsigned int div_stat_peric3; unsigned int div_stat_peric4; unsigned int div_stat_peric5; unsigned char res69[0x10]; unsigned int sclk_div_stat_isp; unsigned char res70[0xc]; unsigned int div2_stat0; unsigned int div2_stat1; unsigned char res71[0x8]; unsigned int div4_stat; unsigned char res72[0x180]; unsigned int gate_top_sclk_disp0; unsigned int gate_top_sclk_disp1; unsigned int gate_top_sclk_gen; unsigned char res74[0xc]; unsigned int gate_top_sclk_mau; unsigned int gate_top_sclk_fsys; unsigned char res75[0xc]; unsigned int gate_top_sclk_peric; unsigned char res76[0x1c]; unsigned int gate_top_sclk_isp; unsigned char res77[0xac]; unsigned int gate_ip_gscl; unsigned int gate_ip_disp0; unsigned int gate_ip_disp1; unsigned int gate_ip_mfc; unsigned int gate_ip_g3d; unsigned int gate_ip_gen; unsigned char res79[0xc]; unsigned int gate_ip_fsys; unsigned char res80[0x4]; unsigned int gate_ip_gps; unsigned int gate_ip_peric; unsigned char res81[0xc]; unsigned int gate_ip_peris; unsigned char res82[0x1c]; unsigned int gate_block; unsigned char res83[0x7c]; unsigned int clkout_cmu_top; unsigned int clkout_cmu_top_div_stat; unsigned char res84[0x37f8]; unsigned int src_lex; /* base + 0x14200 */ unsigned char res85[0x1fc]; unsigned int mux_stat_lex; unsigned char res85b[0xfc]; unsigned int div_lex; unsigned char res86[0xfc]; unsigned int div_stat_lex; unsigned char res87[0x1fc]; unsigned int gate_ip_lex; unsigned char res88[0x1fc]; unsigned int clkout_cmu_lex; unsigned int clkout_cmu_lex_div_stat; unsigned char res89[0x3af8]; unsigned int div_r0x; /* base + 0x18500 */ unsigned char res90[0xfc]; unsigned int div_stat_r0x; unsigned char res91[0x1fc]; unsigned int gate_ip_r0x; unsigned char res92[0x1fc]; unsigned int clkout_cmu_r0x; unsigned int clkout_cmu_r0x_div_stat; unsigned char res94[0x3af8]; unsigned int div_r1x; /* base + 0x1c500 */ unsigned char res95[0xfc]; unsigned int div_stat_r1x; unsigned char res96[0x1fc]; unsigned int gate_ip_r1x; unsigned char res97[0x1fc]; unsigned int clkout_cmu_r1x; unsigned int clkout_cmu_r1x_div_stat; unsigned char res98[0x3608]; unsigned int bpll_lock; /* base + 0x20010 */ unsigned char res99[0xfc]; unsigned int bpll_con0; unsigned int bpll_con1; unsigned char res100[0xe8]; unsigned int src_cdrex; unsigned char res101[0x1fc]; unsigned int mux_stat_cdrex; unsigned char res102[0xfc]; unsigned int div_cdrex; unsigned int div_cdrex2; unsigned char res103[0xf8]; unsigned int div_stat_cdrex; unsigned char res104[0x2fc]; unsigned int gate_ip_cdrex; unsigned char res105[0xc]; unsigned int c2c_monitor; unsigned int dmc_pwr_ctrl; unsigned char res106[0x4]; unsigned int drex2_pause; unsigned char res107[0xe0]; unsigned int clkout_cmu_cdrex; unsigned int clkout_cmu_cdrex_div_stat; unsigned char res108[0x8]; unsigned int lpddr3phy_ctrl; unsigned char res109a[0xc]; unsigned int lpddr3phy_con3; unsigned int pll_div2_sel; unsigned char res109b[0xf5e4]; }; check_member(exynos5_clock, pll_div2_sel, 0x20a24); static struct exynos5_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; }; check_member(exynos5_mct, l1_wstat, 0x440); 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 Crystal 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(struct mem_timings *mem, struct arm_clk_ratios *arm_clk_ratio); #endif