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/*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
*
* Aneesh V <aneesh@ti.com>
* Sricharan R <r.sricharan@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
*/
#ifndef _CLOCKS_OMAP5_H_
#define _CLOCKS_OMAP5_H_
#include <common.h>
#include <asm/omap_common.h>
/*
* 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 (OMAP54XX_L4_CORE_BASE + 0x4120)
#define CM_CLKMODE_DPLL_PER (OMAP54XX_L4_CORE_BASE + 0x8140)
#define CM_CLKMODE_DPLL_MPU (OMAP54XX_L4_CORE_BASE + 0x4160)
#define CM_CLKSEL_CORE (OMAP54XX_L4_CORE_BASE + 0x4100)
/* DPLL register offsets */
#define CM_CLKMODE_DPLL 0
#define CM_IDLEST_DPLL 0x4
#define CM_AUTOIDLE_DPLL 0x8
#define CM_CLKSEL_DPLL 0xC
#define DPLL_CLKOUT_DIV_MASK 0x1F /* post-divider mask */
/* CM_DLL_CTRL */
#define CM_DLL_CTRL_OVERRIDE_SHIFT 0
#define CM_DLL_CTRL_OVERRIDE_MASK (1 << 0)
#define CM_DLL_CTRL_NO_OVERRIDE 0
/* 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
/* SGX */
#define CLKSEL_GPU_HYD_GCLK_MASK (1 << 25)
#define CLKSEL_GPU_CORE_GCLK_MASK (1 << 24)
/* 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 CM_CLKSEL_DCC_EN_SHIFT 22
#define CM_CLKSEL_DCC_EN_MASK (1 << 22)
#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_<clock_domain>__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_<clock_domain>_<module>_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)
#define HSMMC_CLKCTRL_CLKSEL_DIV_MASK (1 << 25)
/* 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
/* CM_MPU_MPU_CLKCTRL */
#define MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_SHIFT 24
#define MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_MASK (1 << 24)
#define MPU_CLKCTRL_CLKSEL_ABE_DIV_MODE_SHIFT 25
#define MPU_CLKCTRL_CLKSEL_ABE_DIV_MODE_MASK (1 << 25)
/* CM_WKUPAON_SCRM_CLKCTRL */
#define OPTFCLKEN_SCRM_PER_SHIFT 9
#define OPTFCLKEN_SCRM_PER_MASK (1 << 9)
#define OPTFCLKEN_SCRM_CORE_SHIFT 8
#define OPTFCLKEN_SCRM_CORE_MASK (1 << 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_VAL_BYPASS */
#define PRM_VC_I2C_CHANNEL_FREQ_KHZ 400
/* SMPS */
#define SMPS_I2C_SLAVE_ADDR 0x12
#define SMPS_REG_ADDR_12_MPU 0x23
#define SMPS_REG_ADDR_45_IVA 0x2B
#define SMPS_REG_ADDR_8_CORE 0x37
/* PALMAS VOLTAGE SETTINGS in mv for OPP_NOMINAL */
#define VDD_MPU 1000
#define VDD_MM 1000
#define VDD_CORE 1040
#define VDD_MPU_5432 1150
#define VDD_MM_5432 1150
#define VDD_CORE_5432 1150
/* Standard offset is 0.5v expressed in uv */
#define PALMAS_SMPS_BASE_VOLT_UV 500000
/* TPS */
#define TPS62361_I2C_SLAVE_ADDR 0x60
#define TPS62361_REG_ADDR_SET0 0x0
#define TPS62361_REG_ADDR_SET1 0x1
#define TPS62361_REG_ADDR_SET2 0x2
#define TPS62361_REG_ADDR_SET3 0x3
#define TPS62361_REG_ADDR_CTRL 0x4
#define TPS62361_REG_ADDR_TEMP 0x5
#define TPS62361_REG_ADDR_RMP_CTRL 0x6
#define TPS62361_REG_ADDR_CHIP_ID 0x8
#define TPS62361_REG_ADDR_CHIP_ID_2 0x9
#define TPS62361_BASE_VOLT_MV 500
#define TPS62361_VSEL0_GPIO 7
/* 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_h11_dpll;
u32 cm_div_h12_dpll;
u32 cm_div_h13_dpll;
u32 cm_div_h14_dpll;
u32 reserved[3];
u32 cm_div_h22_dpll;
u32 cm_div_h23_dpll;
};
/* DPLL parameter table */
struct dpll_params {
u32 m;
u32 n;
s8 m2;
s8 m3;
s8 h11;
s8 h12;
s8 h13;
s8 h14;
s8 h22;
s8 h23;
};
extern const u32 sys_clk_array[8];
void scale_vcores(void);
void do_scale_tps62361(int gpio, u32 reg, u32 volt_mv);
u32 get_offset_code(u32 offset);
u32 omap_ddr_clk(void);
void do_scale_vcore(u32 vcore_reg, u32 volt_mv);
void setup_post_dividers(u32 const base, const struct dpll_params *params);
u32 get_sys_clk_index(void);
void enable_basic_clocks(void);
void enable_non_essential_clocks(void);
void enable_basic_uboot_clocks(void);
void do_enable_clocks(u32 const *clk_domains,
u32 const *clk_modules_hw_auto,
u32 const *clk_modules_explicit_en,
u8 wait_for_enable);
const struct dpll_params *get_mpu_dpll_params(void);
const struct dpll_params *get_core_dpll_params(void);
const struct dpll_params *get_per_dpll_params(void);
const struct dpll_params *get_iva_dpll_params(void);
const struct dpll_params *get_usb_dpll_params(void);
const struct dpll_params *get_abe_dpll_params(void);
#endif /* _CLOCKS_OMAP5_H_ */
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