Restructure clock manager driver in the preparation to support A10. Move the Gen5 specific code to _gen5 files. No functional change.
Change all uint32_t to u32 and change to use macro BIT(n) for bit shift.
Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com --- arch/arm/mach-socfpga/Makefile | 3 +- arch/arm/mach-socfpga/clock_manager.c | 510 +-------------------- arch/arm/mach-socfpga/clock_manager_gen5.c | 510 +++++++++++++++++++++ arch/arm/mach-socfpga/include/mach/clock_manager.h | 312 +------------ .../mach-socfpga/include/mach/clock_manager_gen5.h | 322 +++++++++++++ 5 files changed, 846 insertions(+), 811 deletions(-) create mode 100644 arch/arm/mach-socfpga/clock_manager_gen5.c create mode 100644 arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile index 809cd47..b76de4c 100644 --- a/arch/arm/mach-socfpga/Makefile +++ b/arch/arm/mach-socfpga/Makefile @@ -13,7 +13,8 @@ obj-y += misc.o timer.o reset_manager.o system_manager.o clock_manager.o \ obj-$(CONFIG_SPL_BUILD) += spl.o freeze_controller.o
# QTS-generated config file wrappers -obj-$(CONFIG_TARGET_SOCFPGA_GEN5) += scan_manager.o wrap_pll_config.o +obj-$(CONFIG_TARGET_SOCFPGA_GEN5) += scan_manager.o wrap_pll_config.o \ + clock_manager_gen5.o obj-$(CONFIG_SPL_BUILD) += wrap_iocsr_config.o wrap_pinmux_config.o \ wrap_sdram_config.o CFLAGS_wrap_iocsr_config.o += -I$(srctree)/board/$(BOARDDIR) diff --git a/arch/arm/mach-socfpga/clock_manager.c b/arch/arm/mach-socfpga/clock_manager.c index 29e18f8..c2af6f3 100644 --- a/arch/arm/mach-socfpga/clock_manager.c +++ b/arch/arm/mach-socfpga/clock_manager.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2013 Altera Corporation <www.altera.com> + * Copyright (C) 2013-2017 Altera Corporation <www.altera.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -13,10 +13,10 @@ DECLARE_GLOBAL_DATA_PTR; static const struct socfpga_clock_manager *clock_manager_base = (struct socfpga_clock_manager *)SOCFPGA_CLKMGR_ADDRESS;
-static void cm_wait_for_lock(uint32_t mask) +void cm_wait_for_lock(u32 mask) { - register uint32_t inter_val; - uint32_t retry = 0; + u32 inter_val; + u32 retry = 0; do { inter_val = readl(&clock_manager_base->inter) & mask; if (inter_val == mask) @@ -29,512 +29,12 @@ static void cm_wait_for_lock(uint32_t mask) }
/* function to poll in the fsm busy bit */ -static void cm_wait_for_fsm(void) +void cm_wait_for_fsm(void) { while (readl(&clock_manager_base->stat) & CLKMGR_STAT_BUSY) ; }
-/* - * function to write the bypass register which requires a poll of the - * busy bit - */ -static void cm_write_bypass(uint32_t val) -{ - writel(val, &clock_manager_base->bypass); - cm_wait_for_fsm(); -} - -/* function to write the ctrl register which requires a poll of the busy bit */ -static void cm_write_ctrl(uint32_t val) -{ - writel(val, &clock_manager_base->ctrl); - cm_wait_for_fsm(); -} - -/* function to write a clock register that has phase information */ -static void cm_write_with_phase(uint32_t value, - uint32_t reg_address, uint32_t mask) -{ - /* poll until phase is zero */ - while (readl(reg_address) & mask) - ; - - writel(value, reg_address); - - while (readl(reg_address) & mask) - ; -} - -/* - * Setup clocks while making no assumptions about previous state of the clocks. - * - * Start by being paranoid and gate all sw managed clocks - * Put all plls in bypass - * Put all plls VCO registers back to reset value (bandgap power down). - * Put peripheral and main pll src to reset value to avoid glitch. - * Delay 5 us. - * Deassert bandgap power down and set numerator and denominator - * Start 7 us timer. - * set internal dividers - * Wait for 7 us timer. - * Enable plls - * Set external dividers while plls are locking - * Wait for pll lock - * Assert/deassert outreset all. - * Take all pll's out of bypass - * Clear safe mode - * set source main and peripheral clocks - * Ungate clocks - */ - -void cm_basic_init(const struct cm_config * const cfg) -{ - unsigned long end; - - /* Start by being paranoid and gate all sw managed clocks */ - - /* - * We need to disable nandclk - * and then do another apb access before disabling - * gatting off the rest of the periperal clocks. - */ - writel(~CLKMGR_PERPLLGRP_EN_NANDCLK_MASK & - readl(&clock_manager_base->per_pll.en), - &clock_manager_base->per_pll.en); - - /* DO NOT GATE OFF DEBUG CLOCKS & BRIDGE CLOCKS */ - writel(CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK | - CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK | - CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK | - CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK | - CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK | - CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK, - &clock_manager_base->main_pll.en); - - writel(0, &clock_manager_base->sdr_pll.en); - - /* now we can gate off the rest of the peripheral clocks */ - writel(0, &clock_manager_base->per_pll.en); - - /* Put all plls in bypass */ - cm_write_bypass(CLKMGR_BYPASS_PERPLL | CLKMGR_BYPASS_SDRPLL | - CLKMGR_BYPASS_MAINPLL); - - /* Put all plls VCO registers back to reset value. */ - writel(CLKMGR_MAINPLLGRP_VCO_RESET_VALUE & - ~CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK, - &clock_manager_base->main_pll.vco); - writel(CLKMGR_PERPLLGRP_VCO_RESET_VALUE & - ~CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK, - &clock_manager_base->per_pll.vco); - writel(CLKMGR_SDRPLLGRP_VCO_RESET_VALUE & - ~CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK, - &clock_manager_base->sdr_pll.vco); - - /* - * The clocks to the flash devices and the L4_MAIN clocks can - * glitch when coming out of safe mode if their source values - * are different from their reset value. So the trick it to - * put them back to their reset state, and change input - * after exiting safe mode but before ungating the clocks. - */ - writel(CLKMGR_PERPLLGRP_SRC_RESET_VALUE, - &clock_manager_base->per_pll.src); - writel(CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE, - &clock_manager_base->main_pll.l4src); - - /* read back for the required 5 us delay. */ - readl(&clock_manager_base->main_pll.vco); - readl(&clock_manager_base->per_pll.vco); - readl(&clock_manager_base->sdr_pll.vco); - - - /* - * We made sure bgpwr down was assert for 5 us. Now deassert BG PWR DN - * with numerator and denominator. - */ - writel(cfg->main_vco_base, &clock_manager_base->main_pll.vco); - writel(cfg->peri_vco_base, &clock_manager_base->per_pll.vco); - writel(cfg->sdram_vco_base, &clock_manager_base->sdr_pll.vco); - - /* - * Time starts here. Must wait 7 us from - * BGPWRDN_SET(0) to VCO_ENABLE_SET(1). - */ - end = timer_get_us() + 7; - - /* main mpu */ - writel(cfg->mpuclk, &clock_manager_base->main_pll.mpuclk); - - /* altera group mpuclk */ - writel(cfg->altera_grp_mpuclk, &clock_manager_base->altera.mpuclk); - - /* main main clock */ - writel(cfg->mainclk, &clock_manager_base->main_pll.mainclk); - - /* main for dbg */ - writel(cfg->dbgatclk, &clock_manager_base->main_pll.dbgatclk); - - /* main for cfgs2fuser0clk */ - writel(cfg->cfg2fuser0clk, - &clock_manager_base->main_pll.cfgs2fuser0clk); - - /* Peri emac0 50 MHz default to RMII */ - writel(cfg->emac0clk, &clock_manager_base->per_pll.emac0clk); - - /* Peri emac1 50 MHz default to RMII */ - writel(cfg->emac1clk, &clock_manager_base->per_pll.emac1clk); - - /* Peri QSPI */ - writel(cfg->mainqspiclk, &clock_manager_base->main_pll.mainqspiclk); - - writel(cfg->perqspiclk, &clock_manager_base->per_pll.perqspiclk); - - /* Peri pernandsdmmcclk */ - writel(cfg->mainnandsdmmcclk, - &clock_manager_base->main_pll.mainnandsdmmcclk); - - writel(cfg->pernandsdmmcclk, - &clock_manager_base->per_pll.pernandsdmmcclk); - - /* Peri perbaseclk */ - writel(cfg->perbaseclk, &clock_manager_base->per_pll.perbaseclk); - - /* Peri s2fuser1clk */ - writel(cfg->s2fuser1clk, &clock_manager_base->per_pll.s2fuser1clk); - - /* 7 us must have elapsed before we can enable the VCO */ - while (timer_get_us() < end) - ; - - /* Enable vco */ - /* main pll vco */ - writel(cfg->main_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, - &clock_manager_base->main_pll.vco); - - /* periferal pll */ - writel(cfg->peri_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, - &clock_manager_base->per_pll.vco); - - /* sdram pll vco */ - writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, - &clock_manager_base->sdr_pll.vco); - - /* L3 MP and L3 SP */ - writel(cfg->maindiv, &clock_manager_base->main_pll.maindiv); - - writel(cfg->dbgdiv, &clock_manager_base->main_pll.dbgdiv); - - writel(cfg->tracediv, &clock_manager_base->main_pll.tracediv); - - /* L4 MP, L4 SP, can0, and can1 */ - writel(cfg->perdiv, &clock_manager_base->per_pll.div); - - writel(cfg->gpiodiv, &clock_manager_base->per_pll.gpiodiv); - -#define LOCKED_MASK \ - (CLKMGR_INTER_SDRPLLLOCKED_MASK | \ - CLKMGR_INTER_PERPLLLOCKED_MASK | \ - CLKMGR_INTER_MAINPLLLOCKED_MASK) - - cm_wait_for_lock(LOCKED_MASK); - - /* write the sdram clock counters before toggling outreset all */ - writel(cfg->ddrdqsclk & CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK, - &clock_manager_base->sdr_pll.ddrdqsclk); - - writel(cfg->ddr2xdqsclk & CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK, - &clock_manager_base->sdr_pll.ddr2xdqsclk); - - writel(cfg->ddrdqclk & CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK, - &clock_manager_base->sdr_pll.ddrdqclk); - - writel(cfg->s2fuser2clk & CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK, - &clock_manager_base->sdr_pll.s2fuser2clk); - - /* - * after locking, but before taking out of bypass - * assert/deassert outresetall - */ - uint32_t mainvco = readl(&clock_manager_base->main_pll.vco); - - /* assert main outresetall */ - writel(mainvco | CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->main_pll.vco); - - uint32_t periphvco = readl(&clock_manager_base->per_pll.vco); - - /* assert pheriph outresetall */ - writel(periphvco | CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->per_pll.vco); - - /* assert sdram outresetall */ - writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN| - CLKMGR_SDRPLLGRP_VCO_OUTRESETALL, - &clock_manager_base->sdr_pll.vco); - - /* deassert main outresetall */ - writel(mainvco & ~CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->main_pll.vco); - - /* deassert pheriph outresetall */ - writel(periphvco & ~CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->per_pll.vco); - - /* deassert sdram outresetall */ - writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, - &clock_manager_base->sdr_pll.vco); - - /* - * now that we've toggled outreset all, all the clocks - * are aligned nicely; so we can change any phase. - */ - cm_write_with_phase(cfg->ddrdqsclk, - (uint32_t)&clock_manager_base->sdr_pll.ddrdqsclk, - CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK); - - /* SDRAM DDR2XDQSCLK */ - cm_write_with_phase(cfg->ddr2xdqsclk, - (uint32_t)&clock_manager_base->sdr_pll.ddr2xdqsclk, - CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK); - - cm_write_with_phase(cfg->ddrdqclk, - (uint32_t)&clock_manager_base->sdr_pll.ddrdqclk, - CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK); - - cm_write_with_phase(cfg->s2fuser2clk, - (uint32_t)&clock_manager_base->sdr_pll.s2fuser2clk, - CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK); - - /* Take all three PLLs out of bypass when safe mode is cleared. */ - cm_write_bypass(0); - - /* clear safe mode */ - cm_write_ctrl(readl(&clock_manager_base->ctrl) | CLKMGR_CTRL_SAFEMODE); - - /* - * now that safe mode is clear with clocks gated - * it safe to change the source mux for the flashes the the L4_MAIN - */ - writel(cfg->persrc, &clock_manager_base->per_pll.src); - writel(cfg->l4src, &clock_manager_base->main_pll.l4src); - - /* Now ungate non-hw-managed clocks */ - writel(~0, &clock_manager_base->main_pll.en); - writel(~0, &clock_manager_base->per_pll.en); - writel(~0, &clock_manager_base->sdr_pll.en); - - /* Clear the loss of lock bits (write 1 to clear) */ - writel(CLKMGR_INTER_SDRPLLLOST_MASK | CLKMGR_INTER_PERPLLLOST_MASK | - CLKMGR_INTER_MAINPLLLOST_MASK, - &clock_manager_base->inter); -} - -static unsigned int cm_get_main_vco_clk_hz(void) -{ - uint32_t reg, clock; - - /* get the main VCO clock */ - reg = readl(&clock_manager_base->main_pll.vco); - clock = cm_get_osc_clk_hz(1); - clock /= ((reg & CLKMGR_MAINPLLGRP_VCO_DENOM_MASK) >> - CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) + 1; - clock *= ((reg & CLKMGR_MAINPLLGRP_VCO_NUMER_MASK) >> - CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET) + 1; - - return clock; -} - -static unsigned int cm_get_per_vco_clk_hz(void) -{ - uint32_t reg, clock = 0; - - /* identify PER PLL clock source */ - reg = readl(&clock_manager_base->per_pll.vco); - reg = (reg & CLKMGR_PERPLLGRP_VCO_SSRC_MASK) >> - CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET; - if (reg == CLKMGR_VCO_SSRC_EOSC1) - clock = cm_get_osc_clk_hz(1); - else if (reg == CLKMGR_VCO_SSRC_EOSC2) - clock = cm_get_osc_clk_hz(2); - else if (reg == CLKMGR_VCO_SSRC_F2S) - clock = cm_get_f2s_per_ref_clk_hz(); - - /* get the PER VCO clock */ - reg = readl(&clock_manager_base->per_pll.vco); - clock /= ((reg & CLKMGR_PERPLLGRP_VCO_DENOM_MASK) >> - CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) + 1; - clock *= ((reg & CLKMGR_PERPLLGRP_VCO_NUMER_MASK) >> - CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET) + 1; - - return clock; -} - -unsigned long cm_get_mpu_clk_hz(void) -{ - uint32_t reg, clock; - - clock = cm_get_main_vco_clk_hz(); - - /* get the MPU clock */ - reg = readl(&clock_manager_base->altera.mpuclk); - clock /= (reg + 1); - reg = readl(&clock_manager_base->main_pll.mpuclk); - clock /= (reg + 1); - return clock; -} - -unsigned long cm_get_sdram_clk_hz(void) -{ - uint32_t reg, clock = 0; - - /* identify SDRAM PLL clock source */ - reg = readl(&clock_manager_base->sdr_pll.vco); - reg = (reg & CLKMGR_SDRPLLGRP_VCO_SSRC_MASK) >> - CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET; - if (reg == CLKMGR_VCO_SSRC_EOSC1) - clock = cm_get_osc_clk_hz(1); - else if (reg == CLKMGR_VCO_SSRC_EOSC2) - clock = cm_get_osc_clk_hz(2); - else if (reg == CLKMGR_VCO_SSRC_F2S) - clock = cm_get_f2s_sdr_ref_clk_hz(); - - /* get the SDRAM VCO clock */ - reg = readl(&clock_manager_base->sdr_pll.vco); - clock /= ((reg & CLKMGR_SDRPLLGRP_VCO_DENOM_MASK) >> - CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) + 1; - clock *= ((reg & CLKMGR_SDRPLLGRP_VCO_NUMER_MASK) >> - CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) + 1; - - /* get the SDRAM (DDR_DQS) clock */ - reg = readl(&clock_manager_base->sdr_pll.ddrdqsclk); - reg = (reg & CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK) >> - CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET; - clock /= (reg + 1); - - return clock; -} - -unsigned int cm_get_l4_sp_clk_hz(void) -{ - uint32_t reg, clock = 0; - - /* identify the source of L4 SP clock */ - reg = readl(&clock_manager_base->main_pll.l4src); - reg = (reg & CLKMGR_MAINPLLGRP_L4SRC_L4SP) >> - CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET; - - if (reg == CLKMGR_L4_SP_CLK_SRC_MAINPLL) { - clock = cm_get_main_vco_clk_hz(); - - /* get the clock prior L4 SP divider (main clk) */ - reg = readl(&clock_manager_base->altera.mainclk); - clock /= (reg + 1); - reg = readl(&clock_manager_base->main_pll.mainclk); - clock /= (reg + 1); - } else if (reg == CLKMGR_L4_SP_CLK_SRC_PERPLL) { - clock = cm_get_per_vco_clk_hz(); - - /* get the clock prior L4 SP divider (periph_base_clk) */ - reg = readl(&clock_manager_base->per_pll.perbaseclk); - clock /= (reg + 1); - } - - /* get the L4 SP clock which supplied to UART */ - reg = readl(&clock_manager_base->main_pll.maindiv); - reg = (reg & CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK) >> - CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET; - clock = clock / (1 << reg); - - return clock; -} - -unsigned int cm_get_mmc_controller_clk_hz(void) -{ - uint32_t reg, clock = 0; - - /* identify the source of MMC clock */ - reg = readl(&clock_manager_base->per_pll.src); - reg = (reg & CLKMGR_PERPLLGRP_SRC_SDMMC_MASK) >> - CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET; - - if (reg == CLKMGR_SDMMC_CLK_SRC_F2S) { - clock = cm_get_f2s_per_ref_clk_hz(); - } else if (reg == CLKMGR_SDMMC_CLK_SRC_MAIN) { - clock = cm_get_main_vco_clk_hz(); - - /* get the SDMMC clock */ - reg = readl(&clock_manager_base->main_pll.mainnandsdmmcclk); - clock /= (reg + 1); - } else if (reg == CLKMGR_SDMMC_CLK_SRC_PER) { - clock = cm_get_per_vco_clk_hz(); - - /* get the SDMMC clock */ - reg = readl(&clock_manager_base->per_pll.pernandsdmmcclk); - clock /= (reg + 1); - } - - /* further divide by 4 as we have fixed divider at wrapper */ - clock /= 4; - return clock; -} - -unsigned int cm_get_qspi_controller_clk_hz(void) -{ - uint32_t reg, clock = 0; - - /* identify the source of QSPI clock */ - reg = readl(&clock_manager_base->per_pll.src); - reg = (reg & CLKMGR_PERPLLGRP_SRC_QSPI_MASK) >> - CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET; - - if (reg == CLKMGR_QSPI_CLK_SRC_F2S) { - clock = cm_get_f2s_per_ref_clk_hz(); - } else if (reg == CLKMGR_QSPI_CLK_SRC_MAIN) { - clock = cm_get_main_vco_clk_hz(); - - /* get the qspi clock */ - reg = readl(&clock_manager_base->main_pll.mainqspiclk); - clock /= (reg + 1); - } else if (reg == CLKMGR_QSPI_CLK_SRC_PER) { - clock = cm_get_per_vco_clk_hz(); - - /* get the qspi clock */ - reg = readl(&clock_manager_base->per_pll.perqspiclk); - clock /= (reg + 1); - } - - return clock; -} - -unsigned int cm_get_spi_controller_clk_hz(void) -{ - uint32_t reg, clock = 0; - - clock = cm_get_per_vco_clk_hz(); - - /* get the clock prior L4 SP divider (periph_base_clk) */ - reg = readl(&clock_manager_base->per_pll.perbaseclk); - clock /= (reg + 1); - - return clock; -} - -static void cm_print_clock_quick_summary(void) -{ - printf("MPU %10ld kHz\n", cm_get_mpu_clk_hz() / 1000); - printf("DDR %10ld kHz\n", cm_get_sdram_clk_hz() / 1000); - printf("EOSC1 %8d kHz\n", cm_get_osc_clk_hz(1) / 1000); - printf("EOSC2 %8d kHz\n", cm_get_osc_clk_hz(2) / 1000); - printf("F2S_SDR_REF %8d kHz\n", cm_get_f2s_sdr_ref_clk_hz() / 1000); - printf("F2S_PER_REF %8d kHz\n", cm_get_f2s_per_ref_clk_hz() / 1000); - printf("MMC %8d kHz\n", cm_get_mmc_controller_clk_hz() / 1000); - printf("QSPI %8d kHz\n", cm_get_qspi_controller_clk_hz() / 1000); - printf("UART %8d kHz\n", cm_get_l4_sp_clk_hz() / 1000); - printf("SPI %8d kHz\n", cm_get_spi_controller_clk_hz() / 1000); -} - int set_cpu_clk_info(void) { /* Calculate the clock frequencies required for drivers */ diff --git a/arch/arm/mach-socfpga/clock_manager_gen5.c b/arch/arm/mach-socfpga/clock_manager_gen5.c new file mode 100644 index 0000000..bca27df --- /dev/null +++ b/arch/arm/mach-socfpga/clock_manager_gen5.c @@ -0,0 +1,510 @@ +/* + * Copyright (C) 2013-2017 Altera Corporation <www.altera.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/clock_manager.h> +#include <wait_bit.h> + +DECLARE_GLOBAL_DATA_PTR; + +static const struct socfpga_clock_manager *clock_manager_base = + (struct socfpga_clock_manager *)SOCFPGA_CLKMGR_ADDRESS; + +/* + * function to write the bypass register which requires a poll of the + * busy bit + */ +static void cm_write_bypass(u32 val) +{ + writel(val, &clock_manager_base->bypass); + cm_wait_for_fsm(); +} + +/* function to write the ctrl register which requires a poll of the busy bit */ +static void cm_write_ctrl(u32 val) +{ + writel(val, &clock_manager_base->ctrl); + cm_wait_for_fsm(); +} + +/* function to write a clock register that has phase information */ +static void cm_write_with_phase(u32 value, + u32 reg_address, u32 mask) +{ + /* poll until phase is zero */ + err = wait_for_bit(__func__, (const u32 *)reg_address, mask, + false, 20000, false); + + writel(value, reg_address); + + err = wait_for_bit(__func__, (const u32 *)reg_address, mask, + false, 20000, false); +} + +/* + * Setup clocks while making no assumptions about previous state of the clocks. + * + * Start by being paranoid and gate all sw managed clocks + * Put all plls in bypass + * Put all plls VCO registers back to reset value (bandgap power down). + * Put peripheral and main pll src to reset value to avoid glitch. + * Delay 5 us. + * Deassert bandgap power down and set numerator and denominator + * Start 7 us timer. + * set internal dividers + * Wait for 7 us timer. + * Enable plls + * Set external dividers while plls are locking + * Wait for pll lock + * Assert/deassert outreset all. + * Take all pll's out of bypass + * Clear safe mode + * set source main and peripheral clocks + * Ungate clocks + */ + +void cm_basic_init(const struct cm_config * const cfg) +{ + unsigned long end; + + /* Start by being paranoid and gate all sw managed clocks */ + + /* + * We need to disable nandclk + * and then do another apb access before disabling + * gatting off the rest of the periperal clocks. + */ + writel(~CLKMGR_PERPLLGRP_EN_NANDCLK_MASK & + readl(&clock_manager_base->per_pll.en), + &clock_manager_base->per_pll.en); + + /* DO NOT GATE OFF DEBUG CLOCKS & BRIDGE CLOCKS */ + writel(CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK | + CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK | + CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK | + CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK | + CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK | + CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK, + &clock_manager_base->main_pll.en); + + writel(0, &clock_manager_base->sdr_pll.en); + + /* now we can gate off the rest of the peripheral clocks */ + writel(0, &clock_manager_base->per_pll.en); + + /* Put all plls in bypass */ + cm_write_bypass(CLKMGR_BYPASS_PERPLL | CLKMGR_BYPASS_SDRPLL | + CLKMGR_BYPASS_MAINPLL); + + /* Put all plls VCO registers back to reset value. */ + writel(CLKMGR_MAINPLLGRP_VCO_RESET_VALUE & + ~CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK, + &clock_manager_base->main_pll.vco); + writel(CLKMGR_PERPLLGRP_VCO_RESET_VALUE & + ~CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK, + &clock_manager_base->per_pll.vco); + writel(CLKMGR_SDRPLLGRP_VCO_RESET_VALUE & + ~CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK, + &clock_manager_base->sdr_pll.vco); + + /* + * The clocks to the flash devices and the L4_MAIN clocks can + * glitch when coming out of safe mode if their source values + * are different from their reset value. So the trick it to + * put them back to their reset state, and change input + * after exiting safe mode but before ungating the clocks. + */ + writel(CLKMGR_PERPLLGRP_SRC_RESET_VALUE, + &clock_manager_base->per_pll.src); + writel(CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE, + &clock_manager_base->main_pll.l4src); + + /* read back for the required 5 us delay. */ + readl(&clock_manager_base->main_pll.vco); + readl(&clock_manager_base->per_pll.vco); + readl(&clock_manager_base->sdr_pll.vco); + + + /* + * We made sure bgpwr down was assert for 5 us. Now deassert BG PWR DN + * with numerator and denominator. + */ + writel(cfg->main_vco_base, &clock_manager_base->main_pll.vco); + writel(cfg->peri_vco_base, &clock_manager_base->per_pll.vco); + writel(cfg->sdram_vco_base, &clock_manager_base->sdr_pll.vco); + + /* + * Time starts here. Must wait 7 us from + * BGPWRDN_SET(0) to VCO_ENABLE_SET(1). + */ + end = timer_get_us() + 7; + + /* main mpu */ + writel(cfg->mpuclk, &clock_manager_base->main_pll.mpuclk); + + /* altera group mpuclk */ + writel(cfg->altera_grp_mpuclk, &clock_manager_base->altera.mpuclk); + + /* main main clock */ + writel(cfg->mainclk, &clock_manager_base->main_pll.mainclk); + + /* main for dbg */ + writel(cfg->dbgatclk, &clock_manager_base->main_pll.dbgatclk); + + /* main for cfgs2fuser0clk */ + writel(cfg->cfg2fuser0clk, + &clock_manager_base->main_pll.cfgs2fuser0clk); + + /* Peri emac0 50 MHz default to RMII */ + writel(cfg->emac0clk, &clock_manager_base->per_pll.emac0clk); + + /* Peri emac1 50 MHz default to RMII */ + writel(cfg->emac1clk, &clock_manager_base->per_pll.emac1clk); + + /* Peri QSPI */ + writel(cfg->mainqspiclk, &clock_manager_base->main_pll.mainqspiclk); + + writel(cfg->perqspiclk, &clock_manager_base->per_pll.perqspiclk); + + /* Peri pernandsdmmcclk */ + writel(cfg->mainnandsdmmcclk, + &clock_manager_base->main_pll.mainnandsdmmcclk); + + writel(cfg->pernandsdmmcclk, + &clock_manager_base->per_pll.pernandsdmmcclk); + + /* Peri perbaseclk */ + writel(cfg->perbaseclk, &clock_manager_base->per_pll.perbaseclk); + + /* Peri s2fuser1clk */ + writel(cfg->s2fuser1clk, &clock_manager_base->per_pll.s2fuser1clk); + + /* 7 us must have elapsed before we can enable the VCO */ + while (timer_get_us() < end) + ; + + /* Enable vco */ + /* main pll vco */ + writel(cfg->main_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, + &clock_manager_base->main_pll.vco); + + /* periferal pll */ + writel(cfg->peri_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, + &clock_manager_base->per_pll.vco); + + /* sdram pll vco */ + writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, + &clock_manager_base->sdr_pll.vco); + + /* L3 MP and L3 SP */ + writel(cfg->maindiv, &clock_manager_base->main_pll.maindiv); + + writel(cfg->dbgdiv, &clock_manager_base->main_pll.dbgdiv); + + writel(cfg->tracediv, &clock_manager_base->main_pll.tracediv); + + /* L4 MP, L4 SP, can0, and can1 */ + writel(cfg->perdiv, &clock_manager_base->per_pll.div); + + writel(cfg->gpiodiv, &clock_manager_base->per_pll.gpiodiv); + + cm_wait_for_lock(LOCKED_MASK); + + /* write the sdram clock counters before toggling outreset all */ + writel(cfg->ddrdqsclk & CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK, + &clock_manager_base->sdr_pll.ddrdqsclk); + + writel(cfg->ddr2xdqsclk & CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK, + &clock_manager_base->sdr_pll.ddr2xdqsclk); + + writel(cfg->ddrdqclk & CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK, + &clock_manager_base->sdr_pll.ddrdqclk); + + writel(cfg->s2fuser2clk & CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK, + &clock_manager_base->sdr_pll.s2fuser2clk); + + /* + * after locking, but before taking out of bypass + * assert/deassert outresetall + */ + u32 mainvco = readl(&clock_manager_base->main_pll.vco); + + /* assert main outresetall */ + writel(mainvco | CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK, + &clock_manager_base->main_pll.vco); + + u32 periphvco = readl(&clock_manager_base->per_pll.vco); + + /* assert pheriph outresetall */ + writel(periphvco | CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK, + &clock_manager_base->per_pll.vco); + + /* assert sdram outresetall */ + writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN| + CLKMGR_SDRPLLGRP_VCO_OUTRESETALL, + &clock_manager_base->sdr_pll.vco); + + /* deassert main outresetall */ + writel(mainvco & ~CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK, + &clock_manager_base->main_pll.vco); + + /* deassert pheriph outresetall */ + writel(periphvco & ~CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK, + &clock_manager_base->per_pll.vco); + + /* deassert sdram outresetall */ + writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN, + &clock_manager_base->sdr_pll.vco); + + /* + * now that we've toggled outreset all, all the clocks + * are aligned nicely; so we can change any phase. + */ + cm_write_with_phase(cfg->ddrdqsclk, + (u32)&clock_manager_base->sdr_pll.ddrdqsclk, + CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK); + + /* SDRAM DDR2XDQSCLK */ + cm_write_with_phase(cfg->ddr2xdqsclk, + (u32)&clock_manager_base->sdr_pll.ddr2xdqsclk, + CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK); + + cm_write_with_phase(cfg->ddrdqclk, + (u32)&clock_manager_base->sdr_pll.ddrdqclk, + CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK); + + cm_write_with_phase(cfg->s2fuser2clk, + (u32)&clock_manager_base->sdr_pll.s2fuser2clk, + CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK); + + /* Take all three PLLs out of bypass when safe mode is cleared. */ + cm_write_bypass(0); + + /* clear safe mode */ + cm_write_ctrl(readl(&clock_manager_base->ctrl) | CLKMGR_CTRL_SAFEMODE); + + /* + * now that safe mode is clear with clocks gated + * it safe to change the source mux for the flashes the the L4_MAIN + */ + writel(cfg->persrc, &clock_manager_base->per_pll.src); + writel(cfg->l4src, &clock_manager_base->main_pll.l4src); + + /* Now ungate non-hw-managed clocks */ + writel(~0, &clock_manager_base->main_pll.en); + writel(~0, &clock_manager_base->per_pll.en); + writel(~0, &clock_manager_base->sdr_pll.en); + + /* Clear the loss of lock bits (write 1 to clear) */ + writel(CLKMGR_INTER_SDRPLLLOST_MASK | CLKMGR_INTER_PERPLLLOST_MASK | + CLKMGR_INTER_MAINPLLLOST_MASK, + &clock_manager_base->inter); +} + +static unsigned int cm_get_main_vco_clk_hz(void) +{ + u32 reg, clock; + + /* get the main VCO clock */ + reg = readl(&clock_manager_base->main_pll.vco); + clock = cm_get_osc_clk_hz(1); + clock /= ((reg & CLKMGR_MAINPLLGRP_VCO_DENOM_MASK) >> + CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) + 1; + clock *= ((reg & CLKMGR_MAINPLLGRP_VCO_NUMER_MASK) >> + CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET) + 1; + + return clock; +} + +static unsigned int cm_get_per_vco_clk_hz(void) +{ + u32 reg, clock = 0; + + /* identify PER PLL clock source */ + reg = readl(&clock_manager_base->per_pll.vco); + reg = (reg & CLKMGR_PERPLLGRP_VCO_SSRC_MASK) >> + CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET; + if (reg == CLKMGR_VCO_SSRC_EOSC1) + clock = cm_get_osc_clk_hz(1); + else if (reg == CLKMGR_VCO_SSRC_EOSC2) + clock = cm_get_osc_clk_hz(2); + else if (reg == CLKMGR_VCO_SSRC_F2S) + clock = cm_get_f2s_per_ref_clk_hz(); + + /* get the PER VCO clock */ + reg = readl(&clock_manager_base->per_pll.vco); + clock /= ((reg & CLKMGR_PERPLLGRP_VCO_DENOM_MASK) >> + CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) + 1; + clock *= ((reg & CLKMGR_PERPLLGRP_VCO_NUMER_MASK) >> + CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET) + 1; + + return clock; +} + +unsigned long cm_get_mpu_clk_hz(void) +{ + u32 reg, clock; + + clock = cm_get_main_vco_clk_hz(); + + /* get the MPU clock */ + reg = readl(&clock_manager_base->altera.mpuclk); + clock /= (reg + 1); + reg = readl(&clock_manager_base->main_pll.mpuclk); + clock /= (reg + 1); + return clock; +} + +unsigned long cm_get_sdram_clk_hz(void) +{ + u32 reg, clock = 0; + + /* identify SDRAM PLL clock source */ + reg = readl(&clock_manager_base->sdr_pll.vco); + reg = (reg & CLKMGR_SDRPLLGRP_VCO_SSRC_MASK) >> + CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET; + if (reg == CLKMGR_VCO_SSRC_EOSC1) + clock = cm_get_osc_clk_hz(1); + else if (reg == CLKMGR_VCO_SSRC_EOSC2) + clock = cm_get_osc_clk_hz(2); + else if (reg == CLKMGR_VCO_SSRC_F2S) + clock = cm_get_f2s_sdr_ref_clk_hz(); + + /* get the SDRAM VCO clock */ + reg = readl(&clock_manager_base->sdr_pll.vco); + clock /= ((reg & CLKMGR_SDRPLLGRP_VCO_DENOM_MASK) >> + CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) + 1; + clock *= ((reg & CLKMGR_SDRPLLGRP_VCO_NUMER_MASK) >> + CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) + 1; + + /* get the SDRAM (DDR_DQS) clock */ + reg = readl(&clock_manager_base->sdr_pll.ddrdqsclk); + reg = (reg & CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK) >> + CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET; + clock /= (reg + 1); + + return clock; +} + +unsigned int cm_get_l4_sp_clk_hz(void) +{ + u32 reg, clock = 0; + + /* identify the source of L4 SP clock */ + reg = readl(&clock_manager_base->main_pll.l4src); + reg = (reg & CLKMGR_MAINPLLGRP_L4SRC_L4SP) >> + CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET; + + if (reg == CLKMGR_L4_SP_CLK_SRC_MAINPLL) { + clock = cm_get_main_vco_clk_hz(); + + /* get the clock prior L4 SP divider (main clk) */ + reg = readl(&clock_manager_base->altera.mainclk); + clock /= (reg + 1); + reg = readl(&clock_manager_base->main_pll.mainclk); + clock /= (reg + 1); + } else if (reg == CLKMGR_L4_SP_CLK_SRC_PERPLL) { + clock = cm_get_per_vco_clk_hz(); + + /* get the clock prior L4 SP divider (periph_base_clk) */ + reg = readl(&clock_manager_base->per_pll.perbaseclk); + clock /= (reg + 1); + } + + /* get the L4 SP clock which supplied to UART */ + reg = readl(&clock_manager_base->main_pll.maindiv); + reg = (reg & CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK) >> + CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET; + clock = clock / (1 << reg); + + return clock; +} + +unsigned int cm_get_mmc_controller_clk_hz(void) +{ + u32 reg, clock = 0; + + /* identify the source of MMC clock */ + reg = readl(&clock_manager_base->per_pll.src); + reg = (reg & CLKMGR_PERPLLGRP_SRC_SDMMC_MASK) >> + CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET; + + if (reg == CLKMGR_SDMMC_CLK_SRC_F2S) { + clock = cm_get_f2s_per_ref_clk_hz(); + } else if (reg == CLKMGR_SDMMC_CLK_SRC_MAIN) { + clock = cm_get_main_vco_clk_hz(); + + /* get the SDMMC clock */ + reg = readl(&clock_manager_base->main_pll.mainnandsdmmcclk); + clock /= (reg + 1); + } else if (reg == CLKMGR_SDMMC_CLK_SRC_PER) { + clock = cm_get_per_vco_clk_hz(); + + /* get the SDMMC clock */ + reg = readl(&clock_manager_base->per_pll.pernandsdmmcclk); + clock /= (reg + 1); + } + + /* further divide by 4 as we have fixed divider at wrapper */ + clock /= 4; + return clock; +} + +unsigned int cm_get_qspi_controller_clk_hz(void) +{ + u32 reg, clock = 0; + + /* identify the source of QSPI clock */ + reg = readl(&clock_manager_base->per_pll.src); + reg = (reg & CLKMGR_PERPLLGRP_SRC_QSPI_MASK) >> + CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET; + + if (reg == CLKMGR_QSPI_CLK_SRC_F2S) { + clock = cm_get_f2s_per_ref_clk_hz(); + } else if (reg == CLKMGR_QSPI_CLK_SRC_MAIN) { + clock = cm_get_main_vco_clk_hz(); + + /* get the qspi clock */ + reg = readl(&clock_manager_base->main_pll.mainqspiclk); + clock /= (reg + 1); + } else if (reg == CLKMGR_QSPI_CLK_SRC_PER) { + clock = cm_get_per_vco_clk_hz(); + + /* get the qspi clock */ + reg = readl(&clock_manager_base->per_pll.perqspiclk); + clock /= (reg + 1); + } + + return clock; +} + +unsigned int cm_get_spi_controller_clk_hz(void) +{ + u32 reg, clock = 0; + + clock = cm_get_per_vco_clk_hz(); + + /* get the clock prior L4 SP divider (periph_base_clk) */ + reg = readl(&clock_manager_base->per_pll.perbaseclk); + clock /= (reg + 1); + + return clock; +} + +void cm_print_clock_quick_summary(void) +{ + printf("MPU %10ld kHz\n", cm_get_mpu_clk_hz() / 1000); + printf("DDR %10ld kHz\n", cm_get_sdram_clk_hz() / 1000); + printf("EOSC1 %8d kHz\n", cm_get_osc_clk_hz(1) / 1000); + printf("EOSC2 %8d kHz\n", cm_get_osc_clk_hz(2) / 1000); + printf("F2S_SDR_REF %8d kHz\n", cm_get_f2s_sdr_ref_clk_hz() / 1000); + printf("F2S_PER_REF %8d kHz\n", cm_get_f2s_per_ref_clk_hz() / 1000); + printf("MMC %8d kHz\n", cm_get_mmc_controller_clk_hz() / 1000); + printf("QSPI %8d kHz\n", cm_get_qspi_controller_clk_hz() / 1000); + printf("UART %8d kHz\n", cm_get_l4_sp_clk_hz() / 1000); + printf("SPI %8d kHz\n", cm_get_spi_controller_clk_hz() / 1000); +} diff --git a/arch/arm/mach-socfpga/include/mach/clock_manager.h b/arch/arm/mach-socfpga/include/mach/clock_manager.h index 803c926..d0d0487 100644 --- a/arch/arm/mach-socfpga/include/mach/clock_manager.h +++ b/arch/arm/mach-socfpga/include/mach/clock_manager.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2013 Altera Corporation <www.altera.com> + * Copyright (C) 2013-2017 Altera Corporation <www.altera.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -8,310 +8,12 @@ #define _CLOCK_MANAGER_H_
#ifndef __ASSEMBLER__ -/* Clock speed accessors */ -unsigned long cm_get_mpu_clk_hz(void); -unsigned long cm_get_sdram_clk_hz(void); -unsigned int cm_get_l4_sp_clk_hz(void); -unsigned int cm_get_mmc_controller_clk_hz(void); -unsigned int cm_get_qspi_controller_clk_hz(void); -unsigned int cm_get_spi_controller_clk_hz(void); -const unsigned int cm_get_osc_clk_hz(const int osc); -const unsigned int cm_get_f2s_per_ref_clk_hz(void); -const unsigned int cm_get_f2s_sdr_ref_clk_hz(void); - -/* Clock configuration accessors */ -const struct cm_config * const cm_get_default_config(void); +void cm_wait_for_lock(u32 mask); +void cm_wait_for_fsm(void); +void cm_print_clock_quick_summary(void); #endif
-struct cm_config { - /* main group */ - uint32_t main_vco_base; - uint32_t mpuclk; - uint32_t mainclk; - uint32_t dbgatclk; - uint32_t mainqspiclk; - uint32_t mainnandsdmmcclk; - uint32_t cfg2fuser0clk; - uint32_t maindiv; - uint32_t dbgdiv; - uint32_t tracediv; - uint32_t l4src; - - /* peripheral group */ - uint32_t peri_vco_base; - uint32_t emac0clk; - uint32_t emac1clk; - uint32_t perqspiclk; - uint32_t pernandsdmmcclk; - uint32_t perbaseclk; - uint32_t s2fuser1clk; - uint32_t perdiv; - uint32_t gpiodiv; - uint32_t persrc; - - /* sdram pll group */ - uint32_t sdram_vco_base; - uint32_t ddrdqsclk; - uint32_t ddr2xdqsclk; - uint32_t ddrdqclk; - uint32_t s2fuser2clk; - - /* altera group */ - uint32_t altera_grp_mpuclk; -}; - -void cm_basic_init(const struct cm_config * const cfg); - -struct socfpga_clock_manager_main_pll { - u32 vco; - u32 misc; - u32 mpuclk; - u32 mainclk; - u32 dbgatclk; - u32 mainqspiclk; - u32 mainnandsdmmcclk; - u32 cfgs2fuser0clk; - u32 en; - u32 maindiv; - u32 dbgdiv; - u32 tracediv; - u32 l4src; - u32 stat; - u32 _pad_0x38_0x40[2]; -}; - -struct socfpga_clock_manager_per_pll { - u32 vco; - u32 misc; - u32 emac0clk; - u32 emac1clk; - u32 perqspiclk; - u32 pernandsdmmcclk; - u32 perbaseclk; - u32 s2fuser1clk; - u32 en; - u32 div; - u32 gpiodiv; - u32 src; - u32 stat; - u32 _pad_0x34_0x40[3]; -}; - -struct socfpga_clock_manager_sdr_pll { - u32 vco; - u32 ctrl; - u32 ddrdqsclk; - u32 ddr2xdqsclk; - u32 ddrdqclk; - u32 s2fuser2clk; - u32 en; - u32 stat; -}; - -struct socfpga_clock_manager_altera { - u32 mpuclk; - u32 mainclk; -}; - -struct socfpga_clock_manager { - u32 ctrl; - u32 bypass; - u32 inter; - u32 intren; - u32 dbctrl; - u32 stat; - u32 _pad_0x18_0x3f[10]; - struct socfpga_clock_manager_main_pll main_pll; - struct socfpga_clock_manager_per_pll per_pll; - struct socfpga_clock_manager_sdr_pll sdr_pll; - struct socfpga_clock_manager_altera altera; - u32 _pad_0xe8_0x200[70]; -}; - -#define CLKMGR_CTRL_SAFEMODE (1 << 0) -#define CLKMGR_CTRL_SAFEMODE_OFFSET 0 - -#define CLKMGR_BYPASS_PERPLLSRC (1 << 4) -#define CLKMGR_BYPASS_PERPLLSRC_OFFSET 4 -#define CLKMGR_BYPASS_PERPLL (1 << 3) -#define CLKMGR_BYPASS_PERPLL_OFFSET 3 -#define CLKMGR_BYPASS_SDRPLLSRC (1 << 2) -#define CLKMGR_BYPASS_SDRPLLSRC_OFFSET 2 -#define CLKMGR_BYPASS_SDRPLL (1 << 1) -#define CLKMGR_BYPASS_SDRPLL_OFFSET 1 -#define CLKMGR_BYPASS_MAINPLL (1 << 0) -#define CLKMGR_BYPASS_MAINPLL_OFFSET 0 - -#define CLKMGR_INTER_SDRPLLLOCKED_MASK 0x00000100 -#define CLKMGR_INTER_PERPLLLOCKED_MASK 0x00000080 -#define CLKMGR_INTER_MAINPLLLOCKED_MASK 0x00000040 -#define CLKMGR_INTER_PERPLLLOST_MASK 0x00000010 -#define CLKMGR_INTER_SDRPLLLOST_MASK 0x00000020 -#define CLKMGR_INTER_MAINPLLLOST_MASK 0x00000008 - -#define CLKMGR_STAT_BUSY (1 << 0) - -/* Main PLL */ -#define CLKMGR_MAINPLLGRP_VCO_BGPWRDN (1 << 0) -#define CLKMGR_MAINPLLGRP_VCO_BGPWRDN_OFFSET 0 -#define CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET 16 -#define CLKMGR_MAINPLLGRP_VCO_DENOM_MASK 0x003f0000 -#define CLKMGR_MAINPLLGRP_VCO_EN (1 << 1) -#define CLKMGR_MAINPLLGRP_VCO_EN_OFFSET 1 -#define CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET 3 -#define CLKMGR_MAINPLLGRP_VCO_NUMER_MASK 0x0000fff8 -#define CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK 0x01000000 -#define CLKMGR_MAINPLLGRP_VCO_PWRDN (1 << 2) -#define CLKMGR_MAINPLLGRP_VCO_PWRDN_OFFSET 2 -#define CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK 0x80000000 -#define CLKMGR_MAINPLLGRP_VCO_RESET_VALUE 0x8001000d - -#define CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET 0 -#define CLKMGR_MAINPLLGRP_MPUCLK_CNT_MASK 0x000001ff - -#define CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET 0 -#define CLKMGR_MAINPLLGRP_MAINCLK_CNT_MASK 0x000001ff - -#define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET 0 -#define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_MASK 0x000001ff - -#define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET 0 -#define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_MASK 0x000001ff - -#define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_OFFSET 0 -#define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_MASK 0x000001ff - -#define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET 0 -#define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_MASK 0x000001ff - -#define CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK 0x00000010 -#define CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK 0x00000020 -#define CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK 0x00000080 -#define CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK 0x00000040 -#define CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK 0x00000004 -#define CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK 0x00000200 - -#define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET 0 -#define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_MASK 0x00000003 -#define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET 2 -#define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_MASK 0x0000000c -#define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET 4 -#define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_MASK 0x00000070 -#define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET 7 -#define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK 0x00000380 - -#define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET 0 -#define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_MASK 0x00000003 -#define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET 2 -#define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_MASK 0x0000000c - -#define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET 0 -#define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_MASK 0x00000007 - -#define CLKMGR_MAINPLLGRP_L4SRC_L4MP (1 << 0) -#define CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET 0 -#define CLKMGR_MAINPLLGRP_L4SRC_L4SP (1 << 1) -#define CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET 1 -#define CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE 0x00000000 -#define CLKMGR_L4_SP_CLK_SRC_MAINPLL 0x0 -#define CLKMGR_L4_SP_CLK_SRC_PERPLL 0x1 - -/* Per PLL */ -#define CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET 16 -#define CLKMGR_PERPLLGRP_VCO_DENOM_MASK 0x003f0000 -#define CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET 3 -#define CLKMGR_PERPLLGRP_VCO_NUMER_MASK 0x0000fff8 -#define CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK 0x01000000 -#define CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET 22 -#define CLKMGR_PERPLLGRP_VCO_PSRC_MASK 0x00c00000 -#define CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK 0x80000000 -#define CLKMGR_PERPLLGRP_VCO_RESET_VALUE 0x8001000d -#define CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET 22 -#define CLKMGR_PERPLLGRP_VCO_SSRC_MASK 0x00c00000 - -#define CLKMGR_VCO_SSRC_EOSC1 0x0 -#define CLKMGR_VCO_SSRC_EOSC2 0x1 -#define CLKMGR_VCO_SSRC_F2S 0x2 - -#define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET 0 -#define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_MASK 0x000001ff - -#define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET 0 -#define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_MASK 0x000001ff - -#define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET 0 -#define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_MASK 0x000001ff - -#define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET 0 -#define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_MASK 0x000001ff - -#define CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET 0 -#define CLKMGR_PERPLLGRP_PERBASECLK_CNT_MASK 0x000001ff - -#define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET 0 -#define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_MASK 0x000001ff - -#define CLKMGR_PERPLLGRP_EN_NANDCLK_MASK 0x00000400 -#define CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK 0x00000100 - -#define CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET 6 -#define CLKMGR_PERPLLGRP_DIV_CAN0CLK_MASK 0x000001c0 -#define CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET 9 -#define CLKMGR_PERPLLGRP_DIV_CAN1CLK_MASK 0x00000e00 -#define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET 3 -#define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET 3 -#define CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET 0 -#define CLKMGR_PERPLLGRP_DIV_USBCLK_MASK 0x00000007 - -#define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET 0 -#define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_MASK 0x00ffffff - -#define CLKMGR_PERPLLGRP_SRC_NAND_OFFSET 2 -#define CLKMGR_PERPLLGRP_SRC_NAND_MASK 0x0000000c -#define CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET 4 -#define CLKMGR_PERPLLGRP_SRC_QSPI_MASK 0x00000030 -#define CLKMGR_PERPLLGRP_SRC_RESET_VALUE 0x00000015 -#define CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET 0 -#define CLKMGR_PERPLLGRP_SRC_SDMMC_MASK 0x00000003 -#define CLKMGR_SDMMC_CLK_SRC_F2S 0x0 -#define CLKMGR_SDMMC_CLK_SRC_MAIN 0x1 -#define CLKMGR_SDMMC_CLK_SRC_PER 0x2 -#define CLKMGR_QSPI_CLK_SRC_F2S 0x0 -#define CLKMGR_QSPI_CLK_SRC_MAIN 0x1 -#define CLKMGR_QSPI_CLK_SRC_PER 0x2 - -/* SDR PLL */ -#define CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET 16 -#define CLKMGR_SDRPLLGRP_VCO_DENOM_MASK 0x003f0000 -#define CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET 3 -#define CLKMGR_SDRPLLGRP_VCO_NUMER_MASK 0x0000fff8 -#define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL (1 << 24) -#define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_OFFSET 24 -#define CLKMGR_SDRPLLGRP_VCO_OUTRESET_OFFSET 25 -#define CLKMGR_SDRPLLGRP_VCO_OUTRESET_MASK 0x7e000000 -#define CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK 0x80000000 -#define CLKMGR_SDRPLLGRP_VCO_RESET_VALUE 0x8001000d -#define CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET 22 -#define CLKMGR_SDRPLLGRP_VCO_SSRC_MASK 0x00c00000 - -#define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET 0 -#define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK 0x000001ff -#define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET 9 -#define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK 0x00000e00 - -#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET 0 -#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK 0x000001ff -#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET 9 -#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK 0x00000e00 - -#define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET 0 -#define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK 0x000001ff -#define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET 9 -#define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK 0x00000e00 - -#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET 0 -#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK 0x000001ff -#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET 9 -#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK 0x00000e00 - +#if defined(CONFIG_TARGET_SOCFPGA_GEN5) +#include <asm/arch/clock_manager_gen5.h> +#endif #endif /* _CLOCK_MANAGER_H_ */ diff --git a/arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h b/arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h new file mode 100644 index 0000000..8d62d8e --- /dev/null +++ b/arch/arm/mach-socfpga/include/mach/clock_manager_gen5.h @@ -0,0 +1,322 @@ +/* + * Copyright (C) 2013-2017 Altera Corporation <www.altera.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _CLOCK_MANAGER_GEN5_H_ +#define _CLOCK_MANAGER_GEN5_H_ + +#ifndef __ASSEMBLER__ + +struct cm_config { + /* main group */ + u32 main_vco_base; + u32 mpuclk; + u32 mainclk; + u32 dbgatclk; + u32 mainqspiclk; + u32 mainnandsdmmcclk; + u32 cfg2fuser0clk; + u32 maindiv; + u32 dbgdiv; + u32 tracediv; + u32 l4src; + + /* peripheral group */ + u32 peri_vco_base; + u32 emac0clk; + u32 emac1clk; + u32 perqspiclk; + u32 pernandsdmmcclk; + u32 perbaseclk; + u32 s2fuser1clk; + u32 perdiv; + u32 gpiodiv; + u32 persrc; + + /* sdram pll group */ + u32 sdram_vco_base; + u32 ddrdqsclk; + u32 ddr2xdqsclk; + u32 ddrdqclk; + u32 s2fuser2clk; + + /* altera group */ + u32 altera_grp_mpuclk; +}; + +struct socfpga_clock_manager_main_pll { + u32 vco; + u32 misc; + u32 mpuclk; + u32 mainclk; + u32 dbgatclk; + u32 mainqspiclk; + u32 mainnandsdmmcclk; + u32 cfgs2fuser0clk; + u32 en; + u32 maindiv; + u32 dbgdiv; + u32 tracediv; + u32 l4src; + u32 stat; + u32 _pad_0x38_0x40[2]; +}; + +struct socfpga_clock_manager_per_pll { + u32 vco; + u32 misc; + u32 emac0clk; + u32 emac1clk; + u32 perqspiclk; + u32 pernandsdmmcclk; + u32 perbaseclk; + u32 s2fuser1clk; + u32 en; + u32 div; + u32 gpiodiv; + u32 src; + u32 stat; + u32 _pad_0x34_0x40[3]; +}; + +struct socfpga_clock_manager_sdr_pll { + u32 vco; + u32 ctrl; + u32 ddrdqsclk; + u32 ddr2xdqsclk; + u32 ddrdqclk; + u32 s2fuser2clk; + u32 en; + u32 stat; +}; + +struct socfpga_clock_manager_altera { + u32 mpuclk; + u32 mainclk; +}; + +struct socfpga_clock_manager { + u32 ctrl; + u32 bypass; + u32 inter; + u32 intren; + u32 dbctrl; + u32 stat; + u32 _pad_0x18_0x3f[10]; + struct socfpga_clock_manager_main_pll main_pll; + struct socfpga_clock_manager_per_pll per_pll; + struct socfpga_clock_manager_sdr_pll sdr_pll; + struct socfpga_clock_manager_altera altera; + u32 _pad_0xe8_0x200[70]; +}; + +/* Clock speed accessors */ +unsigned long cm_get_mpu_clk_hz(void); +unsigned long cm_get_sdram_clk_hz(void); +unsigned int cm_get_l4_sp_clk_hz(void); +unsigned int cm_get_mmc_controller_clk_hz(void); +unsigned int cm_get_qspi_controller_clk_hz(void); +unsigned int cm_get_spi_controller_clk_hz(void); +const unsigned int cm_get_osc_clk_hz(const int osc); +const unsigned int cm_get_f2s_per_ref_clk_hz(void); +const unsigned int cm_get_f2s_sdr_ref_clk_hz(void); + +/* Clock configuration accessors */ +void cm_basic_init(const struct cm_config * const cfg); +const struct cm_config * const cm_get_default_config(void); +#endif /* __ASSEMBLER__ */ + +#define LOCKED_MASK \ + (CLKMGR_INTER_SDRPLLLOCKED_MASK | \ + CLKMGR_INTER_PERPLLLOCKED_MASK | \ + CLKMGR_INTER_MAINPLLLOCKED_MASK) + +#define CLKMGR_CTRL_SAFEMODE BIT(0) +#define CLKMGR_CTRL_SAFEMODE_OFFSET 0 + +#define CLKMGR_BYPASS_PERPLLSRC BIT(4) +#define CLKMGR_BYPASS_PERPLLSRC_OFFSET 4 +#define CLKMGR_BYPASS_PERPLL BIT(3) +#define CLKMGR_BYPASS_PERPLL_OFFSET 3 +#define CLKMGR_BYPASS_SDRPLLSRC BIT(2) +#define CLKMGR_BYPASS_SDRPLLSRC_OFFSET 2 +#define CLKMGR_BYPASS_SDRPLL BIT(1) +#define CLKMGR_BYPASS_SDRPLL_OFFSET 1 +#define CLKMGR_BYPASS_MAINPLL BIT(0) +#define CLKMGR_BYPASS_MAINPLL_OFFSET 0 + +#define CLKMGR_INTER_SDRPLLLOCKED_MASK 0x00000100 +#define CLKMGR_INTER_PERPLLLOCKED_MASK 0x00000080 +#define CLKMGR_INTER_MAINPLLLOCKED_MASK 0x00000040 +#define CLKMGR_INTER_PERPLLLOST_MASK 0x00000010 +#define CLKMGR_INTER_SDRPLLLOST_MASK 0x00000020 +#define CLKMGR_INTER_MAINPLLLOST_MASK 0x00000008 + +#define CLKMGR_STAT_BUSY BIT(0) + +/* Main PLL */ +#define CLKMGR_MAINPLLGRP_VCO_BGPWRDN BIT(0) +#define CLKMGR_MAINPLLGRP_VCO_BGPWRDN_OFFSET 0 +#define CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET 16 +#define CLKMGR_MAINPLLGRP_VCO_DENOM_MASK 0x003f0000 +#define CLKMGR_MAINPLLGRP_VCO_EN BIT(1) +#define CLKMGR_MAINPLLGRP_VCO_EN_OFFSET 1 +#define CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET 3 +#define CLKMGR_MAINPLLGRP_VCO_NUMER_MASK 0x0000fff8 +#define CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK 0x01000000 +#define CLKMGR_MAINPLLGRP_VCO_PWRDN BIT(2) +#define CLKMGR_MAINPLLGRP_VCO_PWRDN_OFFSET 2 +#define CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK 0x80000000 +#define CLKMGR_MAINPLLGRP_VCO_RESET_VALUE 0x8001000d + +#define CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET 0 +#define CLKMGR_MAINPLLGRP_MPUCLK_CNT_MASK 0x000001ff + +#define CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET 0 +#define CLKMGR_MAINPLLGRP_MAINCLK_CNT_MASK 0x000001ff + +#define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET 0 +#define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_MASK 0x000001ff + +#define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET 0 +#define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_MASK 0x000001ff + +#define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_OFFSET 0 +#define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_MASK 0x000001ff + +#define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET 0 +#define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_MASK 0x000001ff + +#define CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK 0x00000010 +#define CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK 0x00000020 +#define CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK 0x00000080 +#define CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK 0x00000040 +#define CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK 0x00000004 +#define CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK 0x00000200 + +#define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET 0 +#define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_MASK 0x00000003 +#define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET 2 +#define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_MASK 0x0000000c +#define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET 4 +#define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_MASK 0x00000070 +#define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET 7 +#define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK 0x00000380 + +#define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET 0 +#define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_MASK 0x00000003 +#define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET 2 +#define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_MASK 0x0000000c + +#define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET 0 +#define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_MASK 0x00000007 + +#define CLKMGR_MAINPLLGRP_L4SRC_L4MP BIT(0) +#define CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET 0 +#define CLKMGR_MAINPLLGRP_L4SRC_L4SP BIT(1) +#define CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET 1 +#define CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE 0x00000000 +#define CLKMGR_L4_SP_CLK_SRC_MAINPLL 0x0 +#define CLKMGR_L4_SP_CLK_SRC_PERPLL 0x1 + +/* Per PLL */ +#define CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET 16 +#define CLKMGR_PERPLLGRP_VCO_DENOM_MASK 0x003f0000 +#define CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET 3 +#define CLKMGR_PERPLLGRP_VCO_NUMER_MASK 0x0000fff8 +#define CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK 0x01000000 +#define CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET 22 +#define CLKMGR_PERPLLGRP_VCO_PSRC_MASK 0x00c00000 +#define CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK 0x80000000 +#define CLKMGR_PERPLLGRP_VCO_RESET_VALUE 0x8001000d +#define CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET 22 +#define CLKMGR_PERPLLGRP_VCO_SSRC_MASK 0x00c00000 + +#define CLKMGR_VCO_SSRC_EOSC1 0x0 +#define CLKMGR_VCO_SSRC_EOSC2 0x1 +#define CLKMGR_VCO_SSRC_F2S 0x2 + +#define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET 0 +#define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_MASK 0x000001ff + +#define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET 0 +#define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_MASK 0x000001ff + +#define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET 0 +#define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_MASK 0x000001ff + +#define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET 0 +#define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_MASK 0x000001ff + +#define CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET 0 +#define CLKMGR_PERPLLGRP_PERBASECLK_CNT_MASK 0x000001ff + +#define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET 0 +#define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_MASK 0x000001ff + +#define CLKMGR_PERPLLGRP_EN_NANDCLK_MASK 0x00000400 +#define CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK 0x00000100 + +#define CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET 6 +#define CLKMGR_PERPLLGRP_DIV_CAN0CLK_MASK 0x000001c0 +#define CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET 9 +#define CLKMGR_PERPLLGRP_DIV_CAN1CLK_MASK 0x00000e00 +#define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET 3 +#define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET 3 +#define CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET 0 +#define CLKMGR_PERPLLGRP_DIV_USBCLK_MASK 0x00000007 + +#define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET 0 +#define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_MASK 0x00ffffff + +#define CLKMGR_PERPLLGRP_SRC_NAND_OFFSET 2 +#define CLKMGR_PERPLLGRP_SRC_NAND_MASK 0x0000000c +#define CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET 4 +#define CLKMGR_PERPLLGRP_SRC_QSPI_MASK 0x00000030 +#define CLKMGR_PERPLLGRP_SRC_RESET_VALUE 0x00000015 +#define CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET 0 +#define CLKMGR_PERPLLGRP_SRC_SDMMC_MASK 0x00000003 +#define CLKMGR_SDMMC_CLK_SRC_F2S 0x0 +#define CLKMGR_SDMMC_CLK_SRC_MAIN 0x1 +#define CLKMGR_SDMMC_CLK_SRC_PER 0x2 +#define CLKMGR_QSPI_CLK_SRC_F2S 0x0 +#define CLKMGR_QSPI_CLK_SRC_MAIN 0x1 +#define CLKMGR_QSPI_CLK_SRC_PER 0x2 + +/* SDR PLL */ +#define CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET 16 +#define CLKMGR_SDRPLLGRP_VCO_DENOM_MASK 0x003f0000 +#define CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET 3 +#define CLKMGR_SDRPLLGRP_VCO_NUMER_MASK 0x0000fff8 +#define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL BIT(24) +#define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_OFFSET 24 +#define CLKMGR_SDRPLLGRP_VCO_OUTRESET_OFFSET 25 +#define CLKMGR_SDRPLLGRP_VCO_OUTRESET_MASK 0x7e000000 +#define CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK 0x80000000 +#define CLKMGR_SDRPLLGRP_VCO_RESET_VALUE 0x8001000d +#define CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET 22 +#define CLKMGR_SDRPLLGRP_VCO_SSRC_MASK 0x00c00000 + +#define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET 0 +#define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK 0x000001ff +#define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET 9 +#define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK 0x00000e00 + +#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET 0 +#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK 0x000001ff +#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET 9 +#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK 0x00000e00 + +#define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET 0 +#define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK 0x000001ff +#define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET 9 +#define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK 0x00000e00 + +#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET 0 +#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK 0x000001ff +#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET 9 +#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK 0x00000e00 + +#endif /* _CLOCK_MANAGER_GEN5_H_ */