diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/clocks.c')
-rw-r--r-- | arch/arm/cpu/armv7/omap4/clocks.c | 517 |
1 files changed, 0 insertions, 517 deletions
diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c deleted file mode 100644 index 12c58033d2..0000000000 --- a/arch/arm/cpu/armv7/omap4/clocks.c +++ /dev/null @@ -1,517 +0,0 @@ -/* - * - * Clock initialization for OMAP4 - * - * (C) Copyright 2010 - * Texas Instruments, <www.ti.com> - * - * Aneesh V <aneesh@ti.com> - * - * Based on previous work by: - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * Rajendra Nayak <rnayak@ti.com> - * - * 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 - */ -#include <common.h> -#include <asm/omap_common.h> -#include <asm/gpio.h> -#include <asm/arch/clocks.h> -#include <asm/arch/sys_proto.h> -#include <asm/utils.h> -#include <asm/omap_gpio.h> - -#ifndef CONFIG_SPL_BUILD -/* - * printing to console doesn't work unless - * this code is executed from SPL - */ -#define printf(fmt, args...) -#define puts(s) -#endif /* !CONFIG_SPL_BUILD */ - -struct omap4_prcm_regs *const prcm = (struct omap4_prcm_regs *)0x4A004100; - -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 - * enabled in bootloader. Voltage initialization in the kernel will set - * these to the nominal values after enabling Smart-Reflex - */ -void scale_vcores(void) -{ - u32 volt, omap_rev; - - omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ); - - omap_rev = omap_revision(); - - /* - * Scale Voltage rails: - * 1. VDD_CORE - * 3. VDD_MPU - * 3. VDD_IVA - */ - if (omap_rev < OMAP4460_ES1_0) { - /* - * OMAP4430: - * VDD_CORE = TWL6030 VCORE3 - * VDD_MPU = TWL6030 VCORE1 - * VDD_IVA = TWL6030 VCORE2 - */ - volt = 1200; - do_scale_vcore(SMPS_REG_ADDR_VCORE3, volt); - - /* - * note on VDD_MPU: - * Setting a high voltage for Nitro mode as smart reflex is not - * enabled. We use the maximum possible value in the AVS range - * because the next higher voltage in the discrete range - * (code >= 0b111010) is way too high. - */ - volt = 1325; - do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt); - volt = 1200; - do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt); - - } else { - /* - * OMAP4460: - * VDD_CORE = TWL6030 VCORE1 - * VDD_MPU = TPS62361 - * VDD_IVA = TWL6030 VCORE2 - */ - volt = 1200; - do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt); - /* TPS62361 */ - volt = 1203; - do_scale_tps62361(TPS62361_VSEL0_GPIO, - TPS62361_REG_ADDR_SET1, volt); - /* VCORE 2 - supplies vdd_iva */ - volt = 1200; - do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt); - } -} - -u32 get_offset_code(u32 offset) -{ - u32 offset_code, step = 12660; /* 12.66 mV represented in uV */ - - if (omap_revision() == OMAP4430_ES1_0) - offset -= PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV; - else - offset -= PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV; - - offset_code = (offset + step - 1) / step; - - /* 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); -} |