diff options
Diffstat (limited to 'src/cpu/samsung/exynos5250/clk.h')
| -rw-r--r-- | src/cpu/samsung/exynos5250/clk.h | 586 |
1 files changed, 586 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5250/clk.h b/src/cpu/samsung/exynos5250/clk.h new file mode 100644 index 0000000000..91b54fd891 --- /dev/null +++ b/src/cpu/samsung/exynos5250/clk.h @@ -0,0 +1,586 @@ +/* + * (C) Copyright 2012 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * + * 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; either version 2 of + * the License, or (at your option) any later version. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __EXYNOS5_CLK_H__ +#define __EXYNOS5_CLK_H__ + +#include <cpu/samsung/exynos-common/clk.h> +#include <cpu/samsung/exynos5250/pinmux.h> + +/* + * 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); + +/* + * 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); + +/* FIXME(dhendrix): below is stuff from arch/arm/include/asm/arch-exynos5/clock.h + (as opposed to the two clk.h files as they were named in u-boot... */ +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 + 0x2000c */ + 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]; +}; + +struct exynos5_mct_regs { + 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; +}; + +#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); + +/** + * Decode a peripheral ID from a device node. + * + * Drivers should always use this function since the actual means of + * encoding this information may change in the future as fdt support for + * exynos evolves. + * + * @param blob FDT blob to read from + * @param node Node containing the information + */ +int clock_decode_periph_id(const void *blob, int node); + +/* Clock gate unused IP */ +void clock_gate(void); + +enum ddr_mode; +enum mem_manuf; + +const char *clock_get_mem_type_name(enum ddr_mode mem_type); + +const char *clock_get_mem_manuf_name(enum mem_manuf mem_manuf); + +/* + * TODO(sjg@chromium.org): Remove this when we have more SPL space. + * At present we are using 14148 of 14336 bytes. If we change this function + * to be exported in SPL, we go over the edge. + */ +/* TODO(dhendrix): do we still need this ifndef? */ +//#ifndef CONFIG_SPL_BUILD +/** + * Get the required memory type and speed (Main U-Boot version). + * + * This should use the device tree. For now we cannot since this function is + * called before the FDT is available. + * + * @param mem_type Returns memory type + * @param frequency_mhz Returns memory speed in MHz + * @param arm_freq Returns ARM clock speed in MHz + * @param mem_manuf Return Memory Manufacturer name + * @return 0 if all ok (if not, this function currently does not return) + */ +int clock_get_mem_selection(enum ddr_mode *mem_type, + unsigned *frequency_mhz, unsigned *arm_freq, + enum mem_manuf *mem_manuf); +//#endif /* CONFIG_SPL_BUILD */ + +#endif |