diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/clocks.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/clocks.c | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c index 9acceb0d4..477274394 100644 --- a/arch/arm/cpu/armv7/omap4/clocks.c +++ b/arch/arm/cpu/armv7/omap4/clocks.c @@ -46,221 +46,6 @@ #define puts(s) #endif /* !CONFIG_SPL_BUILD */ -const u32 sys_clk_array[8] = { - 12000000, /* 12 MHz */ - 13000000, /* 13 MHz */ - 16800000, /* 16.8 MHz */ - 19200000, /* 19.2 MHz */ - 26000000, /* 26 MHz */ - 27000000, /* 27 MHz */ - 38400000, /* 38.4 MHz */ -}; - -/* - * The M & N values in the following tables are created using the - * following tool: - * tools/omap/clocks_get_m_n.c - * Please use this tool for creating the table for any new frequency. - */ - -/* dpll locked at 1400 MHz MPU clk at 700 MHz(OPP100) - DCC OFF */ -static const struct dpll_params mpu_dpll_params_1400mhz[NUM_SYS_CLKS] = { - {175, 2, 1, -1, -1, -1, -1, -1}, /* 12 MHz */ - {700, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */ - {125, 2, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ - {401, 10, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ - {350, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */ - {700, 26, 1, -1, -1, -1, -1, -1}, /* 27 MHz */ - {638, 34, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */ -}; - -/* dpll locked at 1584 MHz - MPU clk at 792 MHz(OPP Turbo 4430) */ -static const struct dpll_params mpu_dpll_params_1600mhz[NUM_SYS_CLKS] = { - {200, 2, 1, -1, -1, -1, -1, -1}, /* 12 MHz */ - {800, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */ - {619, 12, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ - {125, 2, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ - {400, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */ - {800, 26, 1, -1, -1, -1, -1, -1}, /* 27 MHz */ - {125, 5, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */ -}; - -/* dpll locked at 1200 MHz - MPU clk at 600 MHz */ -static const struct dpll_params mpu_dpll_params_1200mhz[NUM_SYS_CLKS] = { - {50, 0, 1, -1, -1, -1, -1, -1}, /* 12 MHz */ - {600, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */ - {250, 6, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ - {125, 3, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ - {300, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */ - {200, 8, 1, -1, -1, -1, -1, -1}, /* 27 MHz */ - {125, 7, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */ -}; - -static const struct dpll_params core_dpll_params_1600mhz[NUM_SYS_CLKS] = { - {200, 2, 1, 5, 8, 4, 6, 5}, /* 12 MHz */ - {800, 12, 1, 5, 8, 4, 6, 5}, /* 13 MHz */ - {619, 12, 1, 5, 8, 4, 6, 5}, /* 16.8 MHz */ - {125, 2, 1, 5, 8, 4, 6, 5}, /* 19.2 MHz */ - {400, 12, 1, 5, 8, 4, 6, 5}, /* 26 MHz */ - {800, 26, 1, 5, 8, 4, 6, 5}, /* 27 MHz */ - {125, 5, 1, 5, 8, 4, 6, 5} /* 38.4 MHz */ -}; - -static const struct dpll_params core_dpll_params_es1_1524mhz[NUM_SYS_CLKS] = { - {127, 1, 1, 5, 8, 4, 6, 5}, /* 12 MHz */ - {762, 12, 1, 5, 8, 4, 6, 5}, /* 13 MHz */ - {635, 13, 1, 5, 8, 4, 6, 5}, /* 16.8 MHz */ - {635, 15, 1, 5, 8, 4, 6, 5}, /* 19.2 MHz */ - {381, 12, 1, 5, 8, 4, 6, 5}, /* 26 MHz */ - {254, 8, 1, 5, 8, 4, 6, 5}, /* 27 MHz */ - {496, 24, 1, 5, 8, 4, 6, 5} /* 38.4 MHz */ -}; - -static const struct dpll_params - core_dpll_params_es2_1600mhz_ddr200mhz[NUM_SYS_CLKS] = { - {200, 2, 2, 5, 8, 4, 6, 5}, /* 12 MHz */ - {800, 12, 2, 5, 8, 4, 6, 5}, /* 13 MHz */ - {619, 12, 2, 5, 8, 4, 6, 5}, /* 16.8 MHz */ - {125, 2, 2, 5, 8, 4, 6, 5}, /* 19.2 MHz */ - {400, 12, 2, 5, 8, 4, 6, 5}, /* 26 MHz */ - {800, 26, 2, 5, 8, 4, 6, 5}, /* 27 MHz */ - {125, 5, 2, 5, 8, 4, 6, 5} /* 38.4 MHz */ -}; - -static const struct dpll_params per_dpll_params_1536mhz[NUM_SYS_CLKS] = { - {64, 0, 8, 6, 12, 9, 4, 5}, /* 12 MHz */ - {768, 12, 8, 6, 12, 9, 4, 5}, /* 13 MHz */ - {320, 6, 8, 6, 12, 9, 4, 5}, /* 16.8 MHz */ - {40, 0, 8, 6, 12, 9, 4, 5}, /* 19.2 MHz */ - {384, 12, 8, 6, 12, 9, 4, 5}, /* 26 MHz */ - {256, 8, 8, 6, 12, 9, 4, 5}, /* 27 MHz */ - {20, 0, 8, 6, 12, 9, 4, 5} /* 38.4 MHz */ -}; - -static const struct dpll_params iva_dpll_params_1862mhz[NUM_SYS_CLKS] = { - {931, 11, -1, -1, 4, 7, -1, -1}, /* 12 MHz */ - {931, 12, -1, -1, 4, 7, -1, -1}, /* 13 MHz */ - {665, 11, -1, -1, 4, 7, -1, -1}, /* 16.8 MHz */ - {727, 14, -1, -1, 4, 7, -1, -1}, /* 19.2 MHz */ - {931, 25, -1, -1, 4, 7, -1, -1}, /* 26 MHz */ - {931, 26, -1, -1, 4, 7, -1, -1}, /* 27 MHz */ - {291, 11, -1, -1, 4, 7, -1, -1} /* 38.4 MHz */ -}; - -/* ABE M & N values with sys_clk as source */ -static const struct dpll_params - abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = { - {49, 5, 1, 1, -1, -1, -1, -1}, /* 12 MHz */ - {68, 8, 1, 1, -1, -1, -1, -1}, /* 13 MHz */ - {35, 5, 1, 1, -1, -1, -1, -1}, /* 16.8 MHz */ - {46, 8, 1, 1, -1, -1, -1, -1}, /* 19.2 MHz */ - {34, 8, 1, 1, -1, -1, -1, -1}, /* 26 MHz */ - {29, 7, 1, 1, -1, -1, -1, -1}, /* 27 MHz */ - {64, 24, 1, 1, -1, -1, -1, -1} /* 38.4 MHz */ -}; - -/* ABE M & N values with 32K clock as source */ -static const struct dpll_params abe_dpll_params_32k_196608khz = { - 750, 0, 1, 1, -1, -1, -1, -1 -}; - -static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = { - {80, 0, 2, -1, -1, -1, -1, -1}, /* 12 MHz */ - {960, 12, 2, -1, -1, -1, -1, -1}, /* 13 MHz */ - {400, 6, 2, -1, -1, -1, -1, -1}, /* 16.8 MHz */ - {50, 0, 2, -1, -1, -1, -1, -1}, /* 19.2 MHz */ - {480, 12, 2, -1, -1, -1, -1, -1}, /* 26 MHz */ - {320, 8, 2, -1, -1, -1, -1, -1}, /* 27 MHz */ - {25, 0, 2, -1, -1, -1, -1, -1} /* 38.4 MHz */ -}; - -void setup_post_dividers(u32 const base, const struct dpll_params *params) -{ - struct dpll_regs *const dpll_regs = (struct dpll_regs *)base; - - /* Setup post-dividers */ - if (params->m2 >= 0) - writel(params->m2, &dpll_regs->cm_div_m2_dpll); - if (params->m3 >= 0) - writel(params->m3, &dpll_regs->cm_div_m3_dpll); - if (params->m4 >= 0) - writel(params->m4, &dpll_regs->cm_div_m4_dpll); - if (params->m5 >= 0) - writel(params->m5, &dpll_regs->cm_div_m5_dpll); - if (params->m6 >= 0) - writel(params->m6, &dpll_regs->cm_div_m6_dpll); - if (params->m7 >= 0) - writel(params->m7, &dpll_regs->cm_div_m7_dpll); -} - -/* - * Lock MPU dpll - * - * Resulting MPU frequencies: - * 4430 ES1.0 : 600 MHz - * 4430 ES2.x : 792 MHz (OPP Turbo) - * 4460 : 920 MHz (OPP Turbo) - DCC disabled - */ -const struct dpll_params *get_mpu_dpll_params(void) -{ - u32 omap_rev, sysclk_ind; - - omap_rev = omap_revision(); - sysclk_ind = get_sys_clk_index(); - - if (omap_rev == OMAP4430_ES1_0) - return &mpu_dpll_params_1200mhz[sysclk_ind]; - else if (omap_rev < OMAP4460_ES1_0) - return &mpu_dpll_params_1600mhz[sysclk_ind]; - else - return &mpu_dpll_params_1400mhz[sysclk_ind]; -} - -const struct dpll_params *get_core_dpll_params(void) -{ - u32 sysclk_ind = get_sys_clk_index(); - - switch (omap_revision()) { - case OMAP4430_ES1_0: - return &core_dpll_params_es1_1524mhz[sysclk_ind]; - case OMAP4430_ES2_0: - case OMAP4430_SILICON_ID_INVALID: - /* safest */ - return &core_dpll_params_es2_1600mhz_ddr200mhz[sysclk_ind]; - default: - return &core_dpll_params_1600mhz[sysclk_ind]; - } -} - - -const struct dpll_params *get_per_dpll_params(void) -{ - u32 sysclk_ind = get_sys_clk_index(); - return &per_dpll_params_1536mhz[sysclk_ind]; -} - -const struct dpll_params *get_iva_dpll_params(void) -{ - u32 sysclk_ind = get_sys_clk_index(); - return &iva_dpll_params_1862mhz[sysclk_ind]; -} - -const struct dpll_params *get_usb_dpll_params(void) -{ - u32 sysclk_ind = get_sys_clk_index(); - return &usb_dpll_params_1920mhz[sysclk_ind]; -} - -const struct dpll_params *get_abe_dpll_params(void) -{ -#ifdef CONFIG_SYS_OMAP_ABE_SYSCK - u32 sysclk_ind = get_sys_clk_index(); - return &abe_dpll_params_sysclk_196608khz[sysclk_ind]; -#else - return &abe_dpll_params_32k_196608khz; -#endif -} - /* * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva * We set the maximum voltages allowed here because Smart-Reflex is not @@ -336,181 +121,3 @@ u32 get_offset_code(u32 offset) /* The code starts at 1 not 0 */ return ++offset_code; } - -/* - * Enable essential clock domains, modules and - * do some additional special settings needed - */ -void enable_basic_clocks(void) -{ - u32 const clk_domains_essential[] = { - (*prcm)->cm_l4per_clkstctrl, - (*prcm)->cm_l3init_clkstctrl, - (*prcm)->cm_memif_clkstctrl, - (*prcm)->cm_l4cfg_clkstctrl, - 0 - }; - - u32 const clk_modules_hw_auto_essential[] = { - (*prcm)->cm_l3_2_gpmc_clkctrl, - (*prcm)->cm_memif_emif_1_clkctrl, - (*prcm)->cm_memif_emif_2_clkctrl, - (*prcm)->cm_l4cfg_l4_cfg_clkctrl, - (*prcm)->cm_wkup_gpio1_clkctrl, - (*prcm)->cm_l4per_gpio2_clkctrl, - (*prcm)->cm_l4per_gpio3_clkctrl, - (*prcm)->cm_l4per_gpio4_clkctrl, - (*prcm)->cm_l4per_gpio5_clkctrl, - (*prcm)->cm_l4per_gpio6_clkctrl, - 0 - }; - - u32 const clk_modules_explicit_en_essential[] = { - (*prcm)->cm_wkup_gptimer1_clkctrl, - (*prcm)->cm_l3init_hsmmc1_clkctrl, - (*prcm)->cm_l3init_hsmmc2_clkctrl, - (*prcm)->cm_l4per_gptimer2_clkctrl, - (*prcm)->cm_wkup_wdtimer2_clkctrl, - (*prcm)->cm_l4per_uart3_clkctrl, - 0 - }; - - /* Enable optional additional functional clock for GPIO4 */ - setbits_le32((*prcm)->cm_l4per_gpio4_clkctrl, - GPIO4_CLKCTRL_OPTFCLKEN_MASK); - - /* Enable 96 MHz clock for MMC1 & MMC2 */ - setbits_le32((*prcm)->cm_l3init_hsmmc1_clkctrl, - HSMMC_CLKCTRL_CLKSEL_MASK); - setbits_le32((*prcm)->cm_l3init_hsmmc2_clkctrl, - HSMMC_CLKCTRL_CLKSEL_MASK); - - /* Select 32KHz clock as the source of GPTIMER1 */ - setbits_le32((*prcm)->cm_wkup_gptimer1_clkctrl, - GPTIMER1_CLKCTRL_CLKSEL_MASK); - - /* Enable optional 48M functional clock for USB PHY */ - setbits_le32((*prcm)->cm_l3init_usbphy_clkctrl, - USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK); - - do_enable_clocks(clk_domains_essential, - clk_modules_hw_auto_essential, - clk_modules_explicit_en_essential, - 1); -} - -void enable_basic_uboot_clocks(void) -{ - u32 const clk_domains_essential[] = { - 0 - }; - - u32 const clk_modules_hw_auto_essential[] = { - (*prcm)->cm_l3init_hsusbotg_clkctrl, - (*prcm)->cm_l3init_usbphy_clkctrl, - (*prcm)->cm_l3init_usbphy_clkctrl, - (*prcm)->cm_clksel_usb_60mhz, - (*prcm)->cm_l3init_hsusbtll_clkctrl, - 0 - }; - - u32 const clk_modules_explicit_en_essential[] = { - (*prcm)->cm_l4per_mcspi1_clkctrl, - (*prcm)->cm_l4per_i2c1_clkctrl, - (*prcm)->cm_l4per_i2c2_clkctrl, - (*prcm)->cm_l4per_i2c3_clkctrl, - (*prcm)->cm_l4per_i2c4_clkctrl, - (*prcm)->cm_l3init_hsusbhost_clkctrl, - 0 - }; - - do_enable_clocks(clk_domains_essential, - clk_modules_hw_auto_essential, - clk_modules_explicit_en_essential, - 1); -} - -/* - * Enable non-essential clock domains, modules and - * do some additional special settings needed - */ -void enable_non_essential_clocks(void) -{ - u32 const clk_domains_non_essential[] = { - (*prcm)->cm_mpu_m3_clkstctrl, - (*prcm)->cm_ivahd_clkstctrl, - (*prcm)->cm_dsp_clkstctrl, - (*prcm)->cm_dss_clkstctrl, - (*prcm)->cm_sgx_clkstctrl, - (*prcm)->cm1_abe_clkstctrl, - (*prcm)->cm_c2c_clkstctrl, - (*prcm)->cm_cam_clkstctrl, - (*prcm)->cm_dss_clkstctrl, - (*prcm)->cm_sdma_clkstctrl, - 0 - }; - - u32 const clk_modules_hw_auto_non_essential[] = { - (*prcm)->cm_l3instr_l3_3_clkctrl, - (*prcm)->cm_l3instr_l3_instr_clkctrl, - (*prcm)->cm_l3instr_intrconn_wp1_clkctrl, - (*prcm)->cm_l3init_hsi_clkctrl, - 0 - }; - - u32 const clk_modules_explicit_en_non_essential[] = { - (*prcm)->cm1_abe_aess_clkctrl, - (*prcm)->cm1_abe_pdm_clkctrl, - (*prcm)->cm1_abe_dmic_clkctrl, - (*prcm)->cm1_abe_mcasp_clkctrl, - (*prcm)->cm1_abe_mcbsp1_clkctrl, - (*prcm)->cm1_abe_mcbsp2_clkctrl, - (*prcm)->cm1_abe_mcbsp3_clkctrl, - (*prcm)->cm1_abe_slimbus_clkctrl, - (*prcm)->cm1_abe_timer5_clkctrl, - (*prcm)->cm1_abe_timer6_clkctrl, - (*prcm)->cm1_abe_timer7_clkctrl, - (*prcm)->cm1_abe_timer8_clkctrl, - (*prcm)->cm1_abe_wdt3_clkctrl, - (*prcm)->cm_l4per_gptimer9_clkctrl, - (*prcm)->cm_l4per_gptimer10_clkctrl, - (*prcm)->cm_l4per_gptimer11_clkctrl, - (*prcm)->cm_l4per_gptimer3_clkctrl, - (*prcm)->cm_l4per_gptimer4_clkctrl, - (*prcm)->cm_l4per_hdq1w_clkctrl, - (*prcm)->cm_l4per_mcbsp4_clkctrl, - (*prcm)->cm_l4per_mcspi2_clkctrl, - (*prcm)->cm_l4per_mcspi3_clkctrl, - (*prcm)->cm_l4per_mcspi4_clkctrl, - (*prcm)->cm_l4per_mmcsd3_clkctrl, - (*prcm)->cm_l4per_mmcsd4_clkctrl, - (*prcm)->cm_l4per_mmcsd5_clkctrl, - (*prcm)->cm_l4per_uart1_clkctrl, - (*prcm)->cm_l4per_uart2_clkctrl, - (*prcm)->cm_l4per_uart4_clkctrl, - (*prcm)->cm_wkup_keyboard_clkctrl, - (*prcm)->cm_wkup_wdtimer2_clkctrl, - (*prcm)->cm_cam_iss_clkctrl, - (*prcm)->cm_cam_fdif_clkctrl, - (*prcm)->cm_dss_dss_clkctrl, - (*prcm)->cm_sgx_sgx_clkctrl, - 0 - }; - - /* Enable optional functional clock for ISS */ - setbits_le32((*prcm)->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK); - - /* Enable all optional functional clocks of DSS */ - setbits_le32((*prcm)->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK); - - do_enable_clocks(clk_domains_non_essential, - clk_modules_hw_auto_non_essential, - clk_modules_explicit_en_non_essential, - 0); - - /* Put camera module in no sleep mode */ - clrsetbits_le32((*prcm)->cm_cam_clkstctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - CD_CLKCTRL_CLKTRCTRL_NO_SLEEP << - MODULE_CLKCTRL_MODULEMODE_SHIFT); -} |