diff options
Diffstat (limited to 'arch/arm/include/asm/arch-mx7ulp/scg.h')
| -rw-r--r-- | arch/arm/include/asm/arch-mx7ulp/scg.h | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx7ulp/scg.h b/arch/arm/include/asm/arch-mx7ulp/scg.h new file mode 100644 index 0000000..531d8f3 --- /dev/null +++ b/arch/arm/include/asm/arch-mx7ulp/scg.h @@ -0,0 +1,342 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + */ + +#ifndef _ASM_ARCH_SCG_H +#define _ASM_ARCH_SCG_H + +#include <common.h> + +#ifdef CONFIG_CLK_DEBUG +#define clk_debug(fmt, args...) printf(fmt, ##args) +#else +#define clk_debug(fmt, args...) +#endif + +#define SCG_CCR_SCS_SHIFT (24) +#define SCG_CCR_SCS_MASK ((0xFUL) << SCG_CCR_SCS_SHIFT) +#define SCG_CCR_DIVCORE_SHIFT (16) +#define SCG_CCR_DIVCORE_MASK ((0xFUL) << SCG_CCR_DIVCORE_SHIFT) +#define SCG_CCR_DIVPLAT_SHIFT (12) +#define SCG_CCR_DIVPLAT_MASK ((0xFUL) << SCG_CCR_DIVPLAT_SHIFT) +#define SCG_CCR_DIVEXT_SHIFT (8) +#define SCG_CCR_DIVEXT_MASK ((0xFUL) << SCG_CCR_DIVEXT_SHIFT) +#define SCG_CCR_DIVBUS_SHIFT (4) +#define SCG_CCR_DIVBUS_MASK ((0xFUL) << SCG_CCR_DIVBUS_SHIFT) +#define SCG_CCR_DIVSLOW_SHIFT (0) +#define SCG_CCR_DIVSLOW_MASK ((0xFUL) << SCG_CCR_DIVSLOW_SHIFT) + +/* SCG DDR Clock Control Register */ +#define SCG_DDRCCR_DDRCS_SHIFT (24) +#define SCG_DDRCCR_DDRCS_MASK ((0x1UL) << SCG_DDRCCR_DDRCS_SHIFT) + +#define SCG_DDRCCR_DDRDIV_SHIFT (0) +#define SCG_DDRCCR_DDRDIV_MASK ((0x7UL) << SCG_DDRCCR_DDRDIV_SHIFT) + +/* SCG NIC Clock Control Register */ +#define SCG_NICCCR_NICCS_SHIFT (28) +#define SCG_NICCCR_NICCS_MASK ((0x1UL) << SCG_NICCCR_NICCS_SHIFT) + +#define SCG_NICCCR_NIC0_DIV_SHIFT (24) +#define SCG_NICCCR_NIC0_DIV_MASK ((0xFUL) << SCG_NICCCR_NIC0_DIV_SHIFT) + +#define SCG_NICCCR_GPU_DIV_SHIFT (20) +#define SCG_NICCCR_GPU_DIV_MASK ((0xFUL) << SCG_NICCCR_GPU_DIV_SHIFT) + +#define SCG_NICCCR_NIC1_DIV_SHIFT (16) +#define SCG_NICCCR_NIC1_DIV_MASK ((0xFUL) << SCG_NICCCR_NIC1_DIV_SHIFT) + +#define SCG_NICCCR_NIC1_DIVEXT_SHIFT (8) +#define SCG_NICCCR_NIC1_DIVEXT_MASK ((0xFUL) << SCG_NICCCR_NIC1_DIVEXT_SHIFT) + +#define SCG_NICCCR_NIC1_DIVBUS_SHIFT (4) +#define SCG_NICCCR_NIC1_DIVBUS_MASK ((0xFUL) << SCG_NICCCR_NIC1_DIVBUS_SHIFT) + +/* SCG NIC clock status register */ +#define SCG_NICCSR_NICCS_SHIFT (28) +#define SCG_NICCSR_NICCS_MASK ((0x1UL) << SCG_NICCSR_NICCS_SHIFT) + +#define SCG_NICCSR_NIC0DIV_SHIFT (24) +#define SCG_NICCSR_NIC0DIV_MASK ((0xFUL) << SCG_NICCSR_NIC0DIV_SHIFT) +#define SCG_NICCSR_GPUDIV_SHIFT (20) +#define SCG_NICCSR_GPUDIV_MASK ((0xFUL) << SCG_NICCSR_GPUDIV_SHIFT) +#define SCG_NICCSR_NIC1DIV_SHIFT (16) +#define SCG_NICCSR_NIC1DIV_MASK ((0xFUL) << SCG_NICCSR_NIC1DIV_SHIFT) +#define SCG_NICCSR_NIC1EXTDIV_SHIFT (8) +#define SCG_NICCSR_NIC1EXTDIV_MASK ((0xFUL) << SCG_NICCSR_NIC1EXTDIV_SHIFT) +#define SCG_NICCSR_NIC1BUSDIV_SHIFT (4) +#define SCG_NICCSR_NIC1BUSDIV_MASK ((0xFUL) << SCG_NICCSR_NIC1BUSDIV_SHIFT) + +/* SCG Slow IRC Control Status Register */ +#define SCG_SIRC_CSR_SIRCVLD_SHIFT (24) +#define SCG_SIRC_CSR_SIRCVLD_MASK ((0x1UL) << SCG_SIRC_CSR_SIRCVLD_SHIFT) + +#define SCG_SIRC_CSR_SIRCEN_SHIFT (0) +#define SCG_SIRC_CSR_SIRCEN_MASK ((0x1UL) << SCG_SIRC_CSR_SIRCEN_SHIFT) + +/* SCG Slow IRC Configuration Register */ +#define SCG_SIRCCFG_RANGE_SHIFT (0) +#define SCG_SIRCCFG_RANGE_MASK ((0x1UL) << SCG_SIRCCFG_RANGE_SHIFT) +#define SCG_SIRCCFG_RANGE_4M ((0x0UL) << SCG_SIRCCFG_RANGE_SHIFT) +#define SCG_SIRCCFG_RANGE_16M ((0x1UL) << SCG_SIRCCFG_RANGE_SHIFT) + +/* SCG Slow IRC Divide Register */ +#define SCG_SIRCDIV_DIV3_SHIFT (16) +#define SCG_SIRCDIV_DIV3_MASK ((0x7UL) << SCG_SIRCDIV_DIV3_SHIFT) + +#define SCG_SIRCDIV_DIV2_SHIFT (8) +#define SCG_SIRCDIV_DIV2_MASK ((0x7UL) << SCG_SIRCDIV_DIV2_SHIFT) + +#define SCG_SIRCDIV_DIV1_SHIFT (0) +#define SCG_SIRCDIV_DIV1_MASK ((0x7UL) << SCG_SIRCDIV_DIV1_SHIFT) +/* + * FIRC/SIRC DIV1 ==> xIRC_PLAT_CLK + * FIRC/SIRC DIV2 ==> xIRC_BUS_CLK + * FIRC/SIRC DIV3 ==> xIRC_SLOW_CLK + */ + +/* SCG Fast IRC Control Status Register */ +#define SCG_FIRC_CSR_FIRCVLD_SHIFT (24) +#define SCG_FIRC_CSR_FIRCVLD_MASK ((0x1UL) << SCG_FIRC_CSR_FIRCVLD_SHIFT) + +#define SCG_FIRC_CSR_FIRCEN_SHIFT (0) +#define SCG_FIRC_CSR_FIRCEN_MASK ((0x1UL) << SCG_FIRC_CSR_FIRCEN_SHIFT) + +/* SCG Fast IRC Divide Register */ +#define SCG_FIRCDIV_DIV3_SHIFT (16) +#define SCG_FIRCDIV_DIV3_MASK ((0x7UL) << SCG_FIRCDIV_DIV3_SHIFT) + +#define SCG_FIRCDIV_DIV2_SHIFT (8) +#define SCG_FIRCDIV_DIV2_MASK ((0x7UL) << SCG_FIRCDIV_DIV2_SHIFT) + +#define SCG_FIRCDIV_DIV1_SHIFT (0) +#define SCG_FIRCDIV_DIV1_MASK ((0x7UL) << SCG_FIRCDIV_DIV1_SHIFT) + +#define SCG_FIRCCFG_RANGE_SHIFT (0) +#define SCG_FIRCCFG_RANGE_MASK ((0x3UL) << SCG_FIRCCFG_RANGE_SHIFT) + +#define SCG_FIRCCFG_RANGE_SHIFT (0) +#define SCG_FIRCCFG_RANGE_48M ((0x0UL) << SCG_FIRCCFG_RANGE_SHIFT) + +/* SCG System OSC Control Status Register */ +#define SCG_SOSC_CSR_SOSCVLD_SHIFT (24) +#define SCG_SOSC_CSR_SOSCVLD_MASK ((0x1UL) << SCG_SOSC_CSR_SOSCVLD_SHIFT) + +/* SCG Fast IRC Divide Register */ +#define SCG_SOSCDIV_DIV3_SHIFT (16) +#define SCG_SOSCDIV_DIV3_MASK ((0x7UL) << SCG_SOSCDIV_DIV3_SHIFT) + +#define SCG_SOSCDIV_DIV2_SHIFT (8) +#define SCG_SOSCDIV_DIV2_MASK ((0x7UL) << SCG_SOSCDIV_DIV2_SHIFT) + +#define SCG_SOSCDIV_DIV1_SHIFT (0) +#define SCG_SOSCDIV_DIV1_MASK ((0x7UL) << SCG_SOSCDIV_DIV1_SHIFT) + +/* SCG RTC OSC Control Status Register */ +#define SCG_ROSC_CSR_ROSCVLD_SHIFT (24) +#define SCG_ROSC_CSR_ROSCVLD_MASK ((0x1UL) << SCG_ROSC_CSR_ROSCVLD_SHIFT) + +#define SCG_SPLL_CSR_SPLLVLD_SHIFT (24) +#define SCG_SPLL_CSR_SPLLVLD_MASK ((0x1UL) << SCG_SPLL_CSR_SPLLVLD_SHIFT) +#define SCG_SPLL_CSR_SPLLEN_SHIFT (0) +#define SCG_SPLL_CSR_SPLLEN_MASK ((0x1UL) << SCG_SPLL_CSR_SPLLEN_SHIFT) +#define SCG_APLL_CSR_APLLEN_SHIFT (0) +#define SCG_APLL_CSR_APLLEN_MASK (0x1UL) +#define SCG_APLL_CSR_APLLVLD_MASK (0x01000000) + +#define SCG_UPLL_CSR_UPLLVLD_MASK (0x01000000) + + +#define SCG_PLL_PFD3_GATE_MASK (0x80000000) +#define SCG_PLL_PFD2_GATE_MASK (0x00800000) +#define SCG_PLL_PFD1_GATE_MASK (0x00008000) +#define SCG_PLL_PFD0_GATE_MASK (0x00000080) +#define SCG_PLL_PFD3_VALID_MASK (0x40000000) +#define SCG_PLL_PFD2_VALID_MASK (0x00400000) +#define SCG_PLL_PFD1_VALID_MASK (0x00004000) +#define SCG_PLL_PFD0_VALID_MASK (0x00000040) + +#define SCG_PLL_PFD0_FRAC_SHIFT (0) +#define SCG_PLL_PFD0_FRAC_MASK ((0x3F) << SCG_PLL_PFD0_FRAC_SHIFT) +#define SCG_PLL_PFD1_FRAC_SHIFT (8) +#define SCG_PLL_PFD1_FRAC_MASK ((0x3F) << SCG_PLL_PFD1_FRAC_SHIFT) +#define SCG_PLL_PFD2_FRAC_SHIFT (16) +#define SCG_PLL_PFD2_FRAC_MASK ((0x3F) << SCG_PLL_PFD2_FRAC_SHIFT) +#define SCG_PLL_PFD3_FRAC_SHIFT (24) +#define SCG_PLL_PFD3_FRAC_MASK ((0x3F) << SCG_PLL_PFD3_FRAC_SHIFT) + +#define SCG_PLL_CFG_POSTDIV2_SHIFT (28) +#define SCG_PLL_CFG_POSTDIV2_MASK ((0xFUL) << SCG_PLL_CFG_POSTDIV2_SHIFT) +#define SCG_PLL_CFG_POSTDIV1_SHIFT (24) +#define SCG_PLL_CFG_POSTDIV1_MASK ((0xFUL) << SCG_PLL_CFG_POSTDIV1_SHIFT) +#define SCG_PLL_CFG_MULT_SHIFT (16) +#define SCG1_SPLL_CFG_MULT_MASK ((0x7FUL) << SCG_PLL_CFG_MULT_SHIFT) +#define SCG_APLL_CFG_MULT_MASK ((0x7FUL) << SCG_PLL_CFG_MULT_SHIFT) +#define SCG_PLL_CFG_PFDSEL_SHIFT (14) +#define SCG_PLL_CFG_PFDSEL_MASK ((0x3UL) << SCG_PLL_CFG_PFDSEL_SHIFT) +#define SCG_PLL_CFG_PREDIV_SHIFT (8) +#define SCG_PLL_CFG_PREDIV_MASK ((0x7UL) << SCG_PLL_CFG_PREDIV_SHIFT) +#define SCG_PLL_CFG_BYPASS_SHIFT (2) +/* 0: SPLL, 1: bypass */ +#define SCG_PLL_CFG_BYPASS_MASK ((0x1UL) << SCG_PLL_CFG_BYPASS_SHIFT) +#define SCG_PLL_CFG_PLLSEL_SHIFT (1) +/* 0: pll, 1: pfd */ +#define SCG_PLL_CFG_PLLSEL_MASK ((0x1UL) << SCG_PLL_CFG_PLLSEL_SHIFT) +#define SCG_PLL_CFG_CLKSRC_SHIFT (0) +/* 0: Sys-OSC, 1: FIRC */ +#define SCG_PLL_CFG_CLKSRC_MASK ((0x1UL) << SCG_PLL_CFG_CLKSRC_SHIFT) +#define SCG0_SPLL_CFG_MULT_SHIFT (17) +/* 0: Multiplier = 20, 1: Multiplier = 22 */ +#define SCG0_SPLL_CFG_MULT_MASK ((0x1UL) << SCG0_SPLL_CFG_MULT_SHIFT) + +#define PLL_USB_EN_USB_CLKS_MASK (0x01 << 6) +#define PLL_USB_PWR_MASK (0x01 << 12) +#define PLL_USB_ENABLE_MASK (0x01 << 13) +#define PLL_USB_BYPASS_MASK (0x01 << 16) +#define PLL_USB_REG_ENABLE_MASK (0x01 << 21) +#define PLL_USB_DIV_SEL_MASK (0x07 << 22) +#define PLL_USB_LOCK_MASK (0x01 << 31) + +enum scg_clk { + SCG_SOSC_CLK, + SCG_FIRC_CLK, + SCG_SIRC_CLK, + SCG_ROSC_CLK, + SCG_SIRC_DIV1_CLK, + SCG_SIRC_DIV2_CLK, + SCG_SIRC_DIV3_CLK, + SCG_FIRC_DIV1_CLK, + SCG_FIRC_DIV2_CLK, + SCG_FIRC_DIV3_CLK, + SCG_SOSC_DIV1_CLK, + SCG_SOSC_DIV2_CLK, + SCG_SOSC_DIV3_CLK, + SCG_CORE_CLK, + SCG_BUS_CLK, + SCG_SPLL_PFD0_CLK, + SCG_SPLL_PFD1_CLK, + SCG_SPLL_PFD2_CLK, + SCG_SPLL_PFD3_CLK, + SCG_DDR_CLK, + SCG_NIC0_CLK, + SCG_GPU_CLK, + SCG_NIC1_CLK, + SCG_NIC1_BUS_CLK, + SCG_NIC1_EXT_CLK, + SCG_APLL_PFD0_CLK, + SCG_APLL_PFD1_CLK, + SCG_APLL_PFD2_CLK, + SCG_APLL_PFD3_CLK, + USB_PLL_OUT, + MIPI_PLL_OUT +}; + +enum scg_sys_src { + SCG_SCS_SYS_OSC = 1, + SCG_SCS_SLOW_IRC, + SCG_SCS_FAST_IRC, + SCG_SCS_RTC_OSC, + SCG_SCS_AUX_PLL, + SCG_SCS_SYS_PLL, + SCG_SCS_USBPHY_PLL, +}; + +/* PLL supported by i.mx7ulp */ +enum pll_clocks { + PLL_M4_SPLL, /* M4 SPLL */ + PLL_M4_APLL, /* M4 APLL*/ + PLL_A7_SPLL, /* A7 SPLL */ + PLL_A7_APLL, /* A7 APLL */ + PLL_USB, /* USB PLL*/ + PLL_MIPI, /* MIPI PLL */ +}; + +typedef struct scg_regs { + u32 verid; /* VERSION_ID */ + u32 param; /* PARAMETER */ + u32 rsvd11[2]; + + u32 csr; /* Clock Status Register */ + u32 rccr; /* Run Clock Control Register */ + u32 vccr; /* VLPR Clock Control Register */ + u32 hccr; /* HSRUN Clock Control Register */ + u32 clkoutcnfg; /* SCG CLKOUT Configuration Register */ + u32 rsvd12[3]; + u32 ddrccr; /* SCG DDR Clock Control Register */ + u32 rsvd13[3]; + u32 nicccr; /* NIC Clock Control Register */ + u32 niccsr; /* NIC Clock Status Register */ + u32 rsvd10[46]; + + u32 sosccsr; /* System OSC Control Status Register, offset 0x100 */ + u32 soscdiv; /* System OSC Divide Register */ + u32 sosccfg; /* System Oscillator Configuration Register */ + u32 sosctest; /* System Oscillator Test Register */ + u32 rsvd20[60]; + + u32 sirccsr; /* Slow IRC Control Status Register, offset 0x200 */ + u32 sircdiv; /* Slow IRC Divide Register */ + u32 sirccfg; /* Slow IRC Configuration Register */ + u32 sirctrim; /* Slow IRC Trim Register */ + u32 loptrim; /* Low Power Oscillator Trim Register */ + u32 sirctest; /* Slow IRC Test Register */ + u32 rsvd30[58]; + + u32 firccsr; /* Fast IRC Control Status Register, offset 0x300 */ + u32 fircdiv; + u32 firccfg; + u32 firctcfg; /* Fast IRC Trim Configuration Register */ + u32 firctriml; /* Fast IRC Trim Low Register */ + u32 firctrimh; + u32 fircstat; /* Fast IRC Status Register */ + u32 firctest; /* Fast IRC Test Register */ + u32 rsvd40[56]; + + u32 rtccsr; /* RTC OSC Control Status Register, offset 0x400 */ + u32 rsvd50[63]; + + u32 apllcsr; /* Auxiliary PLL Control Status Register, offset 0x500 */ + u32 aplldiv; /* Auxiliary PLL Divider Register */ + u32 apllcfg; /* Auxiliary PLL Configuration Register */ + u32 apllpfd; /* Auxiliary PLL PFD Register */ + u32 apllnum; /* Auxiliary PLL Numerator Register */ + u32 aplldenom; /* Auxiliary PLL Denominator Register */ + u32 apllss; /* Auxiliary PLL Spread Spectrum Register */ + u32 rsvd60[55]; + u32 apllock_cnfg; /* Auxiliary PLL LOCK Configuration Register */ + u32 rsvd61[1]; + + u32 spllcsr; /* System PLL Control Status Register, offset 0x600 */ + u32 splldiv; /* System PLL Divide Register */ + u32 spllcfg; /* System PLL Configuration Register */ + u32 spllpfd; /* System PLL Test Register */ + u32 spllnum; /* System PLL Numerator Register */ + u32 splldenom; /* System PLL Denominator Register */ + u32 spllss; /* System PLL Spread Spectrum Register */ + u32 rsvd70[55]; + u32 spllock_cnfg; /* System PLL LOCK Configuration Register */ + u32 rsvd71[1]; + + u32 upllcsr; /* USB PLL Control Status Register, offset 0x700 */ + u32 uplldiv; /* USB PLL Divide Register */ + u32 upllcfg; /* USB PLL Configuration Register */ +} scg_t, *scg_p; + +u32 scg_clk_get_rate(enum scg_clk clk); +int scg_enable_pll_pfd(enum scg_clk clk, u32 frac); +int scg_enable_usb_pll(bool usb_control); +u32 decode_pll(enum pll_clocks pll); + +void scg_a7_rccr_init(void); +void scg_a7_spll_init(void); +void scg_a7_ddrclk_init(void); +void scg_a7_apll_init(void); +void scg_a7_firc_init(void); +void scg_a7_nicclk_init(void); +void scg_a7_sys_clk_sel(enum scg_sys_src clk); +void scg_a7_info(void); +void scg_a7_soscdiv_init(void); +void scg_a7_init_core_clk(void); + +#endif |