From 3776801d0ae4c147cba3110f71441edefe46a02c Mon Sep 17 00:00:00 2001 From: Aneesh V Date: Thu, 21 Jul 2011 09:10:07 -0400 Subject: omap4: add clock support Add support for: 1. DPLL locking 2. Initialization of clock domains and clock modules 3. Setting up the right voltage on voltage rails This work draws upon previous work done for x-loader by: Santosh Shilimkar Rajendra Nayak Signed-off-by: Aneesh V Signed-off-by: Sandeep Paulraj --- arch/arm/include/asm/arch-omap4/clocks.h | 664 ++++++++++++++++++++++++++++ arch/arm/include/asm/arch-omap4/sys_proto.h | 8 + arch/arm/include/asm/omap_common.h | 3 + 3 files changed, 675 insertions(+) create mode 100644 arch/arm/include/asm/arch-omap4/clocks.h (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/arch-omap4/clocks.h b/arch/arm/include/asm/arch-omap4/clocks.h new file mode 100644 index 0000000000..71db39c8c9 --- /dev/null +++ b/arch/arm/include/asm/arch-omap4/clocks.h @@ -0,0 +1,664 @@ +/* + * (C) Copyright 2010 + * Texas Instruments, + * + * Aneesh V + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 _CLOCKS_OMAP4_H_ +#define _CLOCKS_OMAP4_H_ +#include + +/* + * Assuming a maximum of 1.5 GHz ARM speed and a minimum of 2 cycles per + * loop, allow for a minimum of 2 ms wait (in reality the wait will be + * much more than that) + */ +#define LDELAY 1000000 + +#define CM_CLKMODE_DPLL_CORE (OMAP44XX_L4_CORE_BASE + 0x4120) +#define CM_CLKMODE_DPLL_PER (OMAP44XX_L4_CORE_BASE + 0x8140) +#define CM_CLKMODE_DPLL_MPU (OMAP44XX_L4_CORE_BASE + 0x4160) +#define CM_CLKSEL_CORE (OMAP44XX_L4_CORE_BASE + 0x4100) + +struct omap4_prcm_regs { + /* cm1.ckgen */ + u32 cm_clksel_core; + u32 pad001[1]; + u32 cm_clksel_abe; + u32 pad002[1]; + u32 cm_dll_ctrl; + u32 pad003[3]; + u32 cm_clkmode_dpll_core; + u32 cm_idlest_dpll_core; + u32 cm_autoidle_dpll_core; + u32 cm_clksel_dpll_core; + u32 cm_div_m2_dpll_core; + u32 cm_div_m3_dpll_core; + u32 cm_div_m4_dpll_core; + u32 cm_div_m5_dpll_core; + u32 cm_div_m6_dpll_core; + u32 cm_div_m7_dpll_core; + u32 cm_ssc_deltamstep_dpll_core; + u32 cm_ssc_modfreqdiv_dpll_core; + u32 cm_emu_override_dpll_core; + u32 pad004[3]; + u32 cm_clkmode_dpll_mpu; + u32 cm_idlest_dpll_mpu; + u32 cm_autoidle_dpll_mpu; + u32 cm_clksel_dpll_mpu; + u32 cm_div_m2_dpll_mpu; + u32 pad005[5]; + u32 cm_ssc_deltamstep_dpll_mpu; + u32 cm_ssc_modfreqdiv_dpll_mpu; + u32 pad006[3]; + u32 cm_bypclk_dpll_mpu; + u32 cm_clkmode_dpll_iva; + u32 cm_idlest_dpll_iva; + u32 cm_autoidle_dpll_iva; + u32 cm_clksel_dpll_iva; + u32 pad007[2]; + u32 cm_div_m4_dpll_iva; + u32 cm_div_m5_dpll_iva; + u32 pad008[2]; + u32 cm_ssc_deltamstep_dpll_iva; + u32 cm_ssc_modfreqdiv_dpll_iva; + u32 pad009[3]; + u32 cm_bypclk_dpll_iva; + u32 cm_clkmode_dpll_abe; + u32 cm_idlest_dpll_abe; + u32 cm_autoidle_dpll_abe; + u32 cm_clksel_dpll_abe; + u32 cm_div_m2_dpll_abe; + u32 cm_div_m3_dpll_abe; + u32 pad010[4]; + u32 cm_ssc_deltamstep_dpll_abe; + u32 cm_ssc_modfreqdiv_dpll_abe; + u32 pad011[4]; + u32 cm_clkmode_dpll_ddrphy; + u32 cm_idlest_dpll_ddrphy; + u32 cm_autoidle_dpll_ddrphy; + u32 cm_clksel_dpll_ddrphy; + u32 cm_div_m2_dpll_ddrphy; + u32 pad012[1]; + u32 cm_div_m4_dpll_ddrphy; + u32 cm_div_m5_dpll_ddrphy; + u32 cm_div_m6_dpll_ddrphy; + u32 pad013[1]; + u32 cm_ssc_deltamstep_dpll_ddrphy; + u32 pad014[5]; + u32 cm_shadow_freq_config1; + + /* cm1.dsp */ + u32 pad015[103]; + u32 cm_dsp_clkstctrl; + u32 pad016[7]; + u32 cm_dsp_dsp_clkctrl; + + /* cm1.abe */ + u32 pad017[55]; + u32 cm1_abe_clkstctrl; + u32 pad018[7]; + u32 cm1_abe_l4abe_clkctrl; + u32 pad019[1]; + u32 cm1_abe_aess_clkctrl; + u32 pad020[1]; + u32 cm1_abe_pdm_clkctrl; + u32 pad021[1]; + u32 cm1_abe_dmic_clkctrl; + u32 pad022[1]; + u32 cm1_abe_mcasp_clkctrl; + u32 pad023[1]; + u32 cm1_abe_mcbsp1_clkctrl; + u32 pad024[1]; + u32 cm1_abe_mcbsp2_clkctrl; + u32 pad025[1]; + u32 cm1_abe_mcbsp3_clkctrl; + u32 pad026[1]; + u32 cm1_abe_slimbus_clkctrl; + u32 pad027[1]; + u32 cm1_abe_timer5_clkctrl; + u32 pad028[1]; + u32 cm1_abe_timer6_clkctrl; + u32 pad029[1]; + u32 cm1_abe_timer7_clkctrl; + u32 pad030[1]; + u32 cm1_abe_timer8_clkctrl; + u32 pad031[1]; + u32 cm1_abe_wdt3_clkctrl; + + /* cm2.ckgen */ + u32 pad032[3805]; + u32 cm_clksel_mpu_m3_iss_root; + u32 cm_clksel_usb_60mhz; + u32 cm_scale_fclk; + u32 pad033[1]; + u32 cm_core_dvfs_perf1; + u32 cm_core_dvfs_perf2; + u32 cm_core_dvfs_perf3; + u32 cm_core_dvfs_perf4; + u32 pad034[1]; + u32 cm_core_dvfs_current; + u32 cm_iva_dvfs_perf_tesla; + u32 cm_iva_dvfs_perf_ivahd; + u32 cm_iva_dvfs_perf_abe; + u32 pad035[1]; + u32 cm_iva_dvfs_current; + u32 pad036[1]; + u32 cm_clkmode_dpll_per; + u32 cm_idlest_dpll_per; + u32 cm_autoidle_dpll_per; + u32 cm_clksel_dpll_per; + u32 cm_div_m2_dpll_per; + u32 cm_div_m3_dpll_per; + u32 cm_div_m4_dpll_per; + u32 cm_div_m5_dpll_per; + u32 cm_div_m6_dpll_per; + u32 cm_div_m7_dpll_per; + u32 cm_ssc_deltamstep_dpll_per; + u32 cm_ssc_modfreqdiv_dpll_per; + u32 cm_emu_override_dpll_per; + u32 pad037[3]; + u32 cm_clkmode_dpll_usb; + u32 cm_idlest_dpll_usb; + u32 cm_autoidle_dpll_usb; + u32 cm_clksel_dpll_usb; + u32 cm_div_m2_dpll_usb; + u32 pad038[5]; + u32 cm_ssc_deltamstep_dpll_usb; + u32 cm_ssc_modfreqdiv_dpll_usb; + u32 pad039[1]; + u32 cm_clkdcoldo_dpll_usb; + u32 pad040[2]; + u32 cm_clkmode_dpll_unipro; + u32 cm_idlest_dpll_unipro; + u32 cm_autoidle_dpll_unipro; + u32 cm_clksel_dpll_unipro; + u32 cm_div_m2_dpll_unipro; + u32 pad041[5]; + u32 cm_ssc_deltamstep_dpll_unipro; + u32 cm_ssc_modfreqdiv_dpll_unipro; + + /* cm2.core */ + u32 pad0411[324]; + u32 cm_l3_1_clkstctrl; + u32 pad042[1]; + u32 cm_l3_1_dynamicdep; + u32 pad043[5]; + u32 cm_l3_1_l3_1_clkctrl; + u32 pad044[55]; + u32 cm_l3_2_clkstctrl; + u32 pad045[1]; + u32 cm_l3_2_dynamicdep; + u32 pad046[5]; + u32 cm_l3_2_l3_2_clkctrl; + u32 pad047[1]; + u32 cm_l3_2_gpmc_clkctrl; + u32 pad048[1]; + u32 cm_l3_2_ocmc_ram_clkctrl; + u32 pad049[51]; + u32 cm_mpu_m3_clkstctrl; + u32 cm_mpu_m3_staticdep; + u32 cm_mpu_m3_dynamicdep; + u32 pad050[5]; + u32 cm_mpu_m3_mpu_m3_clkctrl; + u32 pad051[55]; + u32 cm_sdma_clkstctrl; + u32 cm_sdma_staticdep; + u32 cm_sdma_dynamicdep; + u32 pad052[5]; + u32 cm_sdma_sdma_clkctrl; + u32 pad053[55]; + u32 cm_memif_clkstctrl; + u32 pad054[7]; + u32 cm_memif_dmm_clkctrl; + u32 pad055[1]; + u32 cm_memif_emif_fw_clkctrl; + u32 pad056[1]; + u32 cm_memif_emif_1_clkctrl; + u32 pad057[1]; + u32 cm_memif_emif_2_clkctrl; + u32 pad058[1]; + u32 cm_memif_dll_clkctrl; + u32 pad059[3]; + u32 cm_memif_emif_h1_clkctrl; + u32 pad060[1]; + u32 cm_memif_emif_h2_clkctrl; + u32 pad061[1]; + u32 cm_memif_dll_h_clkctrl; + u32 pad062[39]; + u32 cm_c2c_clkstctrl; + u32 cm_c2c_staticdep; + u32 cm_c2c_dynamicdep; + u32 pad063[5]; + u32 cm_c2c_sad2d_clkctrl; + u32 pad064[1]; + u32 cm_c2c_modem_icr_clkctrl; + u32 pad065[1]; + u32 cm_c2c_sad2d_fw_clkctrl; + u32 pad066[51]; + u32 cm_l4cfg_clkstctrl; + u32 pad067[1]; + u32 cm_l4cfg_dynamicdep; + u32 pad068[5]; + u32 cm_l4cfg_l4_cfg_clkctrl; + u32 pad069[1]; + u32 cm_l4cfg_hw_sem_clkctrl; + u32 pad070[1]; + u32 cm_l4cfg_mailbox_clkctrl; + u32 pad071[1]; + u32 cm_l4cfg_sar_rom_clkctrl; + u32 pad072[49]; + u32 cm_l3instr_clkstctrl; + u32 pad073[7]; + u32 cm_l3instr_l3_3_clkctrl; + u32 pad074[1]; + u32 cm_l3instr_l3_instr_clkctrl; + u32 pad075[5]; + u32 cm_l3instr_intrconn_wp1_clkctrl; + + + /* cm2.ivahd */ + u32 pad076[47]; + u32 cm_ivahd_clkstctrl; + u32 pad077[7]; + u32 cm_ivahd_ivahd_clkctrl; + u32 pad078[1]; + u32 cm_ivahd_sl2_clkctrl; + + /* cm2.cam */ + u32 pad079[53]; + u32 cm_cam_clkstctrl; + u32 pad080[7]; + u32 cm_cam_iss_clkctrl; + u32 pad081[1]; + u32 cm_cam_fdif_clkctrl; + + /* cm2.dss */ + u32 pad082[53]; + u32 cm_dss_clkstctrl; + u32 pad083[7]; + u32 cm_dss_dss_clkctrl; + + /* cm2.sgx */ + u32 pad084[55]; + u32 cm_sgx_clkstctrl; + u32 pad085[7]; + u32 cm_sgx_sgx_clkctrl; + + /* cm2.l3init */ + u32 pad086[55]; + u32 cm_l3init_clkstctrl; + + /* cm2.l3init */ + u32 pad087[9]; + u32 cm_l3init_hsmmc1_clkctrl; + u32 pad088[1]; + u32 cm_l3init_hsmmc2_clkctrl; + u32 pad089[1]; + u32 cm_l3init_hsi_clkctrl; + u32 pad090[7]; + u32 cm_l3init_hsusbhost_clkctrl; + u32 pad091[1]; + u32 cm_l3init_hsusbotg_clkctrl; + u32 pad092[1]; + u32 cm_l3init_hsusbtll_clkctrl; + u32 pad093[3]; + u32 cm_l3init_p1500_clkctrl; + u32 pad094[21]; + u32 cm_l3init_fsusb_clkctrl; + u32 pad095[3]; + u32 cm_l3init_usbphy_clkctrl; + + /* cm2.l4per */ + u32 pad096[7]; + u32 cm_l4per_clkstctrl; + u32 pad097[1]; + u32 cm_l4per_dynamicdep; + u32 pad098[5]; + u32 cm_l4per_adc_clkctrl; + u32 pad100[1]; + u32 cm_l4per_gptimer10_clkctrl; + u32 pad101[1]; + u32 cm_l4per_gptimer11_clkctrl; + u32 pad102[1]; + u32 cm_l4per_gptimer2_clkctrl; + u32 pad103[1]; + u32 cm_l4per_gptimer3_clkctrl; + u32 pad104[1]; + u32 cm_l4per_gptimer4_clkctrl; + u32 pad105[1]; + u32 cm_l4per_gptimer9_clkctrl; + u32 pad106[1]; + u32 cm_l4per_elm_clkctrl; + u32 pad107[1]; + u32 cm_l4per_gpio2_clkctrl; + u32 pad108[1]; + u32 cm_l4per_gpio3_clkctrl; + u32 pad109[1]; + u32 cm_l4per_gpio4_clkctrl; + u32 pad110[1]; + u32 cm_l4per_gpio5_clkctrl; + u32 pad111[1]; + u32 cm_l4per_gpio6_clkctrl; + u32 pad112[1]; + u32 cm_l4per_hdq1w_clkctrl; + u32 pad113[1]; + u32 cm_l4per_hecc1_clkctrl; + u32 pad114[1]; + u32 cm_l4per_hecc2_clkctrl; + u32 pad115[1]; + u32 cm_l4per_i2c1_clkctrl; + u32 pad116[1]; + u32 cm_l4per_i2c2_clkctrl; + u32 pad117[1]; + u32 cm_l4per_i2c3_clkctrl; + u32 pad118[1]; + u32 cm_l4per_i2c4_clkctrl; + u32 pad119[1]; + u32 cm_l4per_l4per_clkctrl; + u32 pad1191[3]; + u32 cm_l4per_mcasp2_clkctrl; + u32 pad120[1]; + u32 cm_l4per_mcasp3_clkctrl; + u32 pad121[1]; + u32 cm_l4per_mcbsp4_clkctrl; + u32 pad122[1]; + u32 cm_l4per_mgate_clkctrl; + u32 pad123[1]; + u32 cm_l4per_mcspi1_clkctrl; + u32 pad124[1]; + u32 cm_l4per_mcspi2_clkctrl; + u32 pad125[1]; + u32 cm_l4per_mcspi3_clkctrl; + u32 pad126[1]; + u32 cm_l4per_mcspi4_clkctrl; + u32 pad127[5]; + u32 cm_l4per_mmcsd3_clkctrl; + u32 pad128[1]; + u32 cm_l4per_mmcsd4_clkctrl; + u32 pad129[1]; + u32 cm_l4per_msprohg_clkctrl; + u32 pad130[1]; + u32 cm_l4per_slimbus2_clkctrl; + u32 pad131[1]; + u32 cm_l4per_uart1_clkctrl; + u32 pad132[1]; + u32 cm_l4per_uart2_clkctrl; + u32 pad133[1]; + u32 cm_l4per_uart3_clkctrl; + u32 pad134[1]; + u32 cm_l4per_uart4_clkctrl; + u32 pad135[1]; + u32 cm_l4per_mmcsd5_clkctrl; + u32 pad136[1]; + u32 cm_l4per_i2c5_clkctrl; + u32 pad137[5]; + u32 cm_l4sec_clkstctrl; + u32 cm_l4sec_staticdep; + u32 cm_l4sec_dynamicdep; + u32 pad138[5]; + u32 cm_l4sec_aes1_clkctrl; + u32 pad139[1]; + u32 cm_l4sec_aes2_clkctrl; + u32 pad140[1]; + u32 cm_l4sec_des3des_clkctrl; + u32 pad141[1]; + u32 cm_l4sec_pkaeip29_clkctrl; + u32 pad142[1]; + u32 cm_l4sec_rng_clkctrl; + u32 pad143[1]; + u32 cm_l4sec_sha2md51_clkctrl; + u32 pad144[3]; + u32 cm_l4sec_cryptodma_clkctrl; + u32 pad145[776841]; + + /* l4 wkup regs */ + u32 pad201[6211]; + u32 cm_abe_pll_ref_clksel; + u32 cm_sys_clksel; + u32 pad202[1467]; + u32 cm_wkup_clkstctrl; + u32 pad203[7]; + u32 cm_wkup_l4wkup_clkctrl; + u32 pad204; + u32 cm_wkup_wdtimer1_clkctrl; + u32 pad205; + u32 cm_wkup_wdtimer2_clkctrl; + u32 pad206; + u32 cm_wkup_gpio1_clkctrl; + u32 pad207; + u32 cm_wkup_gptimer1_clkctrl; + u32 pad208; + u32 cm_wkup_gptimer12_clkctrl; + u32 pad209; + u32 cm_wkup_synctimer_clkctrl; + u32 pad210; + u32 cm_wkup_usim_clkctrl; + u32 pad211; + u32 cm_wkup_sarram_clkctrl; + u32 pad212[5]; + u32 cm_wkup_keyboard_clkctrl; + u32 pad213; + u32 cm_wkup_rtc_clkctrl; + u32 pad214; + u32 cm_wkup_bandgap_clkctrl; + u32 pad215[197]; + u32 prm_vc_val_bypass; + u32 prm_vc_cfg_channel; + u32 prm_vc_cfg_i2c_mode; + u32 prm_vc_cfg_i2c_clk; + +}; + +/* DPLL register offsets */ +#define CM_CLKMODE_DPLL 0 +#define CM_IDLEST_DPLL 0x4 +#define CM_AUTOIDLE_DPLL 0x8 +#define CM_CLKSEL_DPLL 0xC +#define CM_DIV_M2_DPLL 0x10 +#define CM_DIV_M3_DPLL 0x14 +#define CM_DIV_M4_DPLL 0x18 +#define CM_DIV_M5_DPLL 0x1C +#define CM_DIV_M6_DPLL 0x20 +#define CM_DIV_M7_DPLL 0x24 + +#define DPLL_CLKOUT_DIV_MASK 0x1F /* post-divider mask */ + +/* CM_CLKMODE_DPLL */ +#define CM_CLKMODE_DPLL_REGM4XEN_SHIFT 11 +#define CM_CLKMODE_DPLL_REGM4XEN_MASK (1 << 11) +#define CM_CLKMODE_DPLL_LPMODE_EN_SHIFT 10 +#define CM_CLKMODE_DPLL_LPMODE_EN_MASK (1 << 10) +#define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_SHIFT 9 +#define CM_CLKMODE_DPLL_RELOCK_RAMP_EN_MASK (1 << 9) +#define CM_CLKMODE_DPLL_DRIFTGUARD_EN_SHIFT 8 +#define CM_CLKMODE_DPLL_DRIFTGUARD_EN_MASK (1 << 8) +#define CM_CLKMODE_DPLL_RAMP_RATE_SHIFT 5 +#define CM_CLKMODE_DPLL_RAMP_RATE_MASK (0x7 << 5) +#define CM_CLKMODE_DPLL_EN_SHIFT 0 +#define CM_CLKMODE_DPLL_EN_MASK (0x7 << 0) + +#define CM_CLKMODE_DPLL_DPLL_EN_SHIFT 0 +#define CM_CLKMODE_DPLL_DPLL_EN_MASK 7 + +#define DPLL_EN_STOP 1 +#define DPLL_EN_MN_BYPASS 4 +#define DPLL_EN_LOW_POWER_BYPASS 5 +#define DPLL_EN_FAST_RELOCK_BYPASS 6 +#define DPLL_EN_LOCK 7 + +/* CM_IDLEST_DPLL fields */ +#define ST_DPLL_CLK_MASK 1 + +/* CM_CLKSEL_DPLL */ +#define CM_CLKSEL_DPLL_DPLL_SD_DIV_SHIFT 24 +#define CM_CLKSEL_DPLL_DPLL_SD_DIV_MASK (0xFF << 24) +#define CM_CLKSEL_DPLL_M_SHIFT 8 +#define CM_CLKSEL_DPLL_M_MASK (0x7FF << 8) +#define CM_CLKSEL_DPLL_N_SHIFT 0 +#define CM_CLKSEL_DPLL_N_MASK 0x7F + +#define OMAP4_DPLL_MAX_N 127 + +/* CM_SYS_CLKSEL */ +#define CM_SYS_CLKSEL_SYS_CLKSEL_MASK 7 + +/* CM_CLKSEL_CORE */ +#define CLKSEL_CORE_SHIFT 0 +#define CLKSEL_L3_SHIFT 4 +#define CLKSEL_L4_SHIFT 8 + +#define CLKSEL_CORE_X2_DIV_1 0 +#define CLKSEL_L3_CORE_DIV_2 1 +#define CLKSEL_L4_L3_DIV_2 1 + +/* CM_ABE_PLL_REF_CLKSEL */ +#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_SHIFT 0 +#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_MASK 1 +#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK 0 +#define CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK 1 + +/* CM_BYPCLK_DPLL_IVA */ +#define CM_BYPCLK_DPLL_IVA_CLKSEL_SHIFT 0 +#define CM_BYPCLK_DPLL_IVA_CLKSEL_MASK 3 + +#define DPLL_IVA_CLKSEL_CORE_X2_DIV_2 1 + +/* CM_SHADOW_FREQ_CONFIG1 */ +#define SHADOW_FREQ_CONFIG1_FREQ_UPDATE_MASK 1 +#define SHADOW_FREQ_CONFIG1_DLL_OVERRIDE_MASK 4 +#define SHADOW_FREQ_CONFIG1_DLL_RESET_MASK 8 + +#define SHADOW_FREQ_CONFIG1_DPLL_EN_SHIFT 8 +#define SHADOW_FREQ_CONFIG1_DPLL_EN_MASK (7 << 8) + +#define SHADOW_FREQ_CONFIG1_M2_DIV_SHIFT 11 +#define SHADOW_FREQ_CONFIG1_M2_DIV_MASK (0x1F << 11) + +/*CM___CLKCTRL */ +#define CD_CLKCTRL_CLKTRCTRL_SHIFT 0 +#define CD_CLKCTRL_CLKTRCTRL_MASK 3 + +#define CD_CLKCTRL_CLKTRCTRL_NO_SLEEP 0 +#define CD_CLKCTRL_CLKTRCTRL_SW_SLEEP 1 +#define CD_CLKCTRL_CLKTRCTRL_SW_WKUP 2 +#define CD_CLKCTRL_CLKTRCTRL_HW_AUTO 3 + + +/* CM___CLKCTRL */ +#define MODULE_CLKCTRL_MODULEMODE_SHIFT 0 +#define MODULE_CLKCTRL_MODULEMODE_MASK 3 +#define MODULE_CLKCTRL_IDLEST_SHIFT 16 +#define MODULE_CLKCTRL_IDLEST_MASK (3 << 16) + +#define MODULE_CLKCTRL_MODULEMODE_SW_DISABLE 0 +#define MODULE_CLKCTRL_MODULEMODE_HW_AUTO 1 +#define MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN 2 + +#define MODULE_CLKCTRL_IDLEST_FULLY_FUNCTIONAL 0 +#define MODULE_CLKCTRL_IDLEST_TRANSITIONING 1 +#define MODULE_CLKCTRL_IDLEST_IDLE 2 +#define MODULE_CLKCTRL_IDLEST_DISABLED 3 + +/* CM_L4PER_GPIO4_CLKCTRL */ +#define GPIO4_CLKCTRL_OPTFCLKEN_MASK (1 << 8) + +/* CM_L3INIT_HSMMCn_CLKCTRL */ +#define HSMMC_CLKCTRL_CLKSEL_MASK (1 << 24) + +/* CM_WKUP_GPTIMER1_CLKCTRL */ +#define GPTIMER1_CLKCTRL_CLKSEL_MASK (1 << 24) + +/* CM_CAM_ISS_CLKCTRL */ +#define ISS_CLKCTRL_OPTFCLKEN_MASK (1 << 8) + +/* CM_DSS_DSS_CLKCTRL */ +#define DSS_CLKCTRL_OPTFCLKEN_MASK 0xF00 + +/* CM_L3INIT_USBPHY_CLKCTRL */ +#define USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK 8 + +/* Clock frequencies */ +#define OMAP_SYS_CLK_FREQ_38_4_MHZ 38400000 +#define OMAP_SYS_CLK_IND_38_4_MHZ 6 +#define OMAP_32K_CLK_FREQ 32768 + +/* PRM_VC_CFG_I2C_CLK */ +#define PRM_VC_CFG_I2C_CLK_SCLH_SHIFT 0 +#define PRM_VC_CFG_I2C_CLK_SCLH_MASK 0xFF +#define PRM_VC_CFG_I2C_CLK_SCLL_SHIFT 8 +#define PRM_VC_CFG_I2C_CLK_SCLL_MASK (0xFF << 8) + +/* PRM_VC_VAL_BYPASS */ +#define PRM_VC_I2C_CHANNEL_FREQ_KHZ 400 + +#define PRM_VC_VAL_BYPASS_VALID_BIT 0x1000000 +#define PRM_VC_VAL_BYPASS_SLAVEADDR_SHIFT 0 +#define PRM_VC_VAL_BYPASS_SLAVEADDR_MASK 0x7F +#define PRM_VC_VAL_BYPASS_REGADDR_SHIFT 8 +#define PRM_VC_VAL_BYPASS_REGADDR_MASK 0xFF +#define PRM_VC_VAL_BYPASS_DATA_SHIFT 16 +#define PRM_VC_VAL_BYPASS_DATA_MASK 0xFF + +#define SMPS_I2C_SLAVE_ADDR 0x12 +#define SMPS_REG_ADDR_VCORE1 0x55 +#define SMPS_REG_ADDR_VCORE2 0x5B +#define SMPS_REG_ADDR_VCORE3 0x61 + +#define PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV 607700 +#define PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV 709000 + +/* Defines for DPLL setup */ +#define DPLL_LOCKED_FREQ_TOLERANCE_0 0 +#define DPLL_LOCKED_FREQ_TOLERANCE_500_KHZ 500 +#define DPLL_LOCKED_FREQ_TOLERANCE_1_MHZ 1000 + +#define DPLL_NO_LOCK 0 +#define DPLL_LOCK 1 + +#define NUM_SYS_CLKS 7 + +struct dpll_regs { + u32 cm_clkmode_dpll; + u32 cm_idlest_dpll; + u32 cm_autoidle_dpll; + u32 cm_clksel_dpll; + u32 cm_div_m2_dpll; + u32 cm_div_m3_dpll; + u32 cm_div_m4_dpll; + u32 cm_div_m5_dpll; + u32 cm_div_m6_dpll; + u32 cm_div_m7_dpll; +}; + +/* DPLL parameter table */ +struct dpll_params { + u32 m; + u32 n; + u8 m2; + u8 m3; + u8 m4; + u8 m5; + u8 m6; + u8 m7; +}; + +#endif /* _CLOCKS_OMAP4_H_ */ diff --git a/arch/arm/include/asm/arch-omap4/sys_proto.h b/arch/arm/include/asm/arch-omap4/sys_proto.h index c10fa18700..f871921d4a 100644 --- a/arch/arm/include/asm/arch-omap4/sys_proto.h +++ b/arch/arm/include/asm/arch-omap4/sys_proto.h @@ -22,6 +22,7 @@ #define _SYS_PROTO_H_ #include +#include #include #include #include @@ -31,6 +32,8 @@ struct omap_sysinfo { }; extern const struct omap_sysinfo sysinfo; +extern struct omap4_prcm_regs *const prcm; + void gpmc_init(void); void watchdog_init(void); u32 get_device_type(void); @@ -41,6 +44,11 @@ u32 wait_on_value(u32, u32, void *, u32); void sdelay(unsigned long); void set_pl310_ctrl_reg(u32 val); void omap_rev_string(char *omap4_rev_string); +void prcm_init(void); +void bypass_dpll(u32 *const base); +void freq_update_core(void); +u32 get_sys_clk_freq(void); +u32 omap4_ddr_clk(void); static inline u32 running_from_sdram(void) { diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index d80f665079..33caa4e6cc 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -25,6 +25,9 @@ #ifndef _OMAP_COMMON_H_ #define _OMAP_COMMON_H_ +/* Max value for DPLL multiplier M */ +#define OMAP_DPLL_MAX_N 127 + /* HW Init Context */ #define OMAP_INIT_CONTEXT_SPL 0 #define OMAP_INIT_CONTEXT_UBOOT_FROM_NOR 1 -- cgit v1.2.1