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https://github.com/AsahiLinux/u-boot
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05e1e3befa
Add clock manager driver for N5X. Provides clock initialization and get_rate functions. Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
217 lines
6.4 KiB
C
217 lines
6.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020-2021 Intel Corporation <www.intel.com>
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*/
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#ifndef _CLK_N5X_
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#define _CLK_N5X_
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#ifndef __ASSEMBLY__
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#include <linux/bitops.h>
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#endif
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#define CM_REG_READL(plat, reg) \
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readl((plat)->regs + (reg))
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#define CM_REG_WRITEL(plat, data, reg) \
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writel(data, (plat)->regs + (reg))
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#define CM_REG_CLRBITS(plat, reg, clear) \
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clrbits_le32((plat)->regs + (reg), (clear))
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#define CM_REG_SETBITS(plat, reg, set) \
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setbits_le32((plat)->regs + (reg), (set))
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struct cm_config {
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/* main group */
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u32 main_pll_mpuclk;
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u32 main_pll_nocclk;
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u32 main_pll_nocdiv;
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u32 main_pll_pllglob;
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u32 main_pll_plldiv;
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u32 main_pll_plloutdiv;
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u32 spare_1[4];
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/* peripheral group */
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u32 per_pll_emacctl;
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u32 per_pll_gpiodiv;
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u32 per_pll_pllglob;
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u32 per_pll_plldiv;
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u32 per_pll_plloutdiv;
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u32 spare_2[4];
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/* altera group */
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u32 alt_emacactr;
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u32 alt_emacbctr;
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u32 alt_emacptpctr;
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u32 alt_gpiodbctr;
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u32 alt_sdmmcctr;
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u32 alt_s2fuser0ctr;
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u32 alt_s2fuser1ctr;
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u32 alt_psirefctr;
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/* incoming clock */
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u32 hps_osc_clk_hz;
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u32 fpga_clk_hz;
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u32 spare_3[3];
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/* memory clock group */
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u32 mem_memdiv;
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u32 mem_pllglob;
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u32 mem_plldiv;
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u32 mem_plloutdiv;
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u32 spare_4[4];
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};
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/* Clock Manager registers */
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#define CLKMGR_CTRL 0
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#define CLKMGR_STAT 4
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#define CLKMGR_TESTIOCTRL 8
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#define CLKMGR_INTRGEN 0x0c
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#define CLKMGR_INTRMSK 0x10
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#define CLKMGR_INTRCLR 0x14
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#define CLKMGR_INTRSTS 0x18
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#define CLKMGR_INTRSTK 0x1c
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#define CLKMGR_INTRRAW 0x20
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/* Clock Manager Main PPL group registers */
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#define CLKMGR_MAINPLL_EN 0x24
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#define CLKMGR_MAINPLL_ENS 0x28
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#define CLKMGR_MAINPLL_ENR 0x2c
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#define CLKMGR_MAINPLL_BYPASS 0x30
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#define CLKMGR_MAINPLL_BYPASSS 0x34
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#define CLKMGR_MAINPLL_BYPASSR 0x38
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#define CLKMGR_MAINPLL_MPUCLK 0x3c
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#define CLKMGR_MAINPLL_NOCCLK 0x40
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#define CLKMGR_MAINPLL_NOCDIV 0x44
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#define CLKMGR_MAINPLL_PLLGLOB 0x48
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#define CLKMGR_MAINPLL_PLLCTRL 0x4c
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#define CLKMGR_MAINPLL_PLLDIV 0x50
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#define CLKMGR_MAINPLL_PLLOUTDIV 0x54
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#define CLKMGR_MAINPLL_LOSTLOCK 0x58
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/* Clock Manager Peripheral PPL group registers */
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#define CLKMGR_PERPLL_EN 0x7c
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#define CLKMGR_PERPLL_ENS 0x80
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#define CLKMGR_PERPLL_ENR 0x84
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#define CLKMGR_PERPLL_BYPASS 0x88
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#define CLKMGR_PERPLL_BYPASSS 0x8c
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#define CLKMGR_PERPLL_BYPASSR 0x90
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#define CLKMGR_PERPLL_EMACCTL 0x94
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#define CLKMGR_PERPLL_GPIODIV 0x98
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#define CLKMGR_PERPLL_PLLGLOB 0x9c
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#define CLKMGR_PERPLL_PLLCTRL 0xa0
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#define CLKMGR_PERPLL_PLLDIV 0xa4
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#define CLKMGR_PERPLL_PLLOUTDIV 0xa8
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#define CLKMGR_PERPLL_LOSTLOCK 0xac
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/* Clock Manager Altera group registers */
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#define CLKMGR_ALTR_EMACACTR 0xd4
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#define CLKMGR_ALTR_EMACBCTR 0xd8
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#define CLKMGR_ALTR_EMACPTPCTR 0xdc
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#define CLKMGR_ALTR_GPIODBCTR 0xe0
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#define CLKMGR_ALTR_SDMMCCTR 0xe4
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#define CLKMGR_ALTR_S2FUSER0CTR 0xe8
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#define CLKMGR_ALTR_S2FUSER1CTR 0xec
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#define CLKMGR_ALTR_PSIREFCTR 0xf0
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#define CLKMGR_ALTR_EXTCNTRST 0xf4
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#define CLKMGR_CTRL_BOOTMODE BIT(0)
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#define CLKMGR_STAT_BUSY BIT(0)
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#define CLKMGR_STAT_MAINPLL_LOCKED BIT(8)
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#define CLKMGR_STAT_MAIN_TRANS BIT(9)
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#define CLKMGR_STAT_PERPLL_LOCKED BIT(16)
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#define CLKMGR_STAT_PERF_TRANS BIT(17)
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#define CLKMGR_STAT_BOOTMODE BIT(24)
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#define CLKMGR_STAT_BOOTCLKSRC BIT(25)
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#define CLKMGR_STAT_ALLPLL_LOCKED_MASK \
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(CLKMGR_STAT_MAINPLL_LOCKED | CLKMGR_STAT_PERPLL_LOCKED)
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#define CLKMGR_INTER_MAINPLLLOCKED_MASK BIT(0)
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#define CLKMGR_INTER_PERPLLLOCKED_MASK BIT(1)
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#define CLKMGR_INTER_MAINPLLLOST_MASK BIT(2)
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#define CLKMGR_INTER_PERPLLLOST_MASK BIT(3)
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#define CLKMGR_CLKSRC_MASK GENMASK(18, 16)
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#define CLKMGR_CLKSRC_OFFSET 16
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#define CLKMGR_CLKSRC_MAIN 0
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#define CLKMGR_CLKSRC_PER 1
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#define CLKMGR_CLKSRC_OSC1 2
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#define CLKMGR_CLKSRC_INTOSC 3
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#define CLKMGR_CLKSRC_FPGA 4
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#define CLKMGR_CLKCNT_MSK GENMASK(10, 0)
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#define CLKMGR_BYPASS_MAINPLL_ALL 0x7
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#define CLKMGR_BYPASS_PERPLL_ALL 0x7f
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#define CLKMGR_NOCDIV_L4MAIN_OFFSET 0
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#define CLKMGR_NOCDIV_L4MPCLK_OFFSET 8
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#define CLKMGR_NOCDIV_L4SPCLK_OFFSET 16
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#define CLKMGR_NOCDIV_CSATCLK_OFFSET 24
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#define CLKMGR_NOCDIV_CSTRACECLK_OFFSET 26
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#define CLKMGR_NOCDIV_CSPDBGCLK_OFFSET 28
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#define CLKMGR_NOCDIV_DIVIDER_MASK 0x3
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#define CLKMGR_PLLGLOB_VCO_PSRC_MASK GENMASK(17, 16)
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#define CLKMGR_PLLGLOB_VCO_PSRC_OFFSET 16
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#define CLKMGR_PLLGLOB_LOSTLOCK_BYPASS_EN_MASK BIT(28)
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#define CLKMGR_PLLGLOB_CLR_LOSTLOCK_BYPASS_MASK BIT(29)
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#define CLKMGR_VCO_PSRC_EOSC1 0
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#define CLKMGR_VCO_PSRC_INTOSC 1
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#define CLKMGR_VCO_PSRC_F2S 2
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#define CLKMGR_PLLCTRL_BYPASS_MASK BIT(0)
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#define CLKMGR_PLLCTRL_RST_N_MASK BIT(1)
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#define CLKMGR_PLLDIV_REFCLKDIV_MASK GENMASK(5, 0)
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#define CLKMGR_PLLDIV_FDIV_MASK GENMASK(16, 8)
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#define CLKMGR_PLLDIV_OUTDIV_QDIV_MASK GENMASK(26, 24)
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#define CLKMGR_PLLDIV_RANGE_MASK GENMASK(30, 28)
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#define CLKMGR_PLLDIV_REFCLKDIV_OFFSET 0
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#define CLKMGR_PLLDIV_FDIV_OFFSET 8
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#define CLKMGR_PLLDIV_OUTDIV_QDIV_OFFSET 24
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#define CLKMGR_PLLDIV_RANGE_OFFSET 28
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#define CLKMGR_PLLOUTDIV_C0CNT_MASK GENMASK(4, 0)
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#define CLKMGR_PLLOUTDIV_C1CNT_MASK GENMASK(12, 8)
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#define CLKMGR_PLLOUTDIV_C2CNT_MASK GENMASK(20, 16)
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#define CLKMGR_PLLOUTDIV_C3CNT_MASK GENMASK(28, 24)
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#define CLKMGR_PLLOUTDIV_C0CNT_OFFSET 0
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#define CLKMGR_PLLOUTDIV_C1CNT_OFFSET 8
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#define CLKMGR_PLLOUTDIV_C2CNT_OFFSET 16
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#define CLKMGR_PLLOUTDIV_C3CNT_OFFSET 24
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#define CLKMGR_PLLCX_EN_SET_MSK BIT(27)
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#define CLKMGR_PLLCX_MUTE_SET_MSK BIT(28)
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#define CLKMGR_VCOCALIB_MSCNT_MASK GENMASK(23, 16)
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#define CLKMGR_VCOCALIB_MSCNT_OFFSET 16
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#define CLKMGR_VCOCALIB_HSCNT_MASK GENMASK(9, 0)
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#define CLKMGR_VCOCALIB_MSCNT_CONST 100
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#define CLKMGR_VCOCALIB_HSCNT_CONST 4
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#define CLKMGR_PLLM_MDIV_MASK GENMASK(9, 0)
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#define CLKMGR_LOSTLOCK_SET_MASK BIT(0)
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#define CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK BIT(5)
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#define CLKMGR_PERPLLGRP_EMACCTL_EMAC0SELB_OFFSET 26
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#define CLKMGR_PERPLLGRP_EMACCTL_EMAC0SELB_MASK BIT(26)
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#define CLKMGR_PERPLLGRP_EMACCTL_EMAC1SELB_OFFSET 27
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#define CLKMGR_PERPLLGRP_EMACCTL_EMAC1SELB_MASK BIT(27)
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#define CLKMGR_PERPLLGRP_EMACCTL_EMAC2SELB_OFFSET 28
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#define CLKMGR_PERPLLGRP_EMACCTL_EMAC2SELB_MASK BIT(28)
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#define CLKMGR_ALT_EMACCTR_SRC_OFFSET 16
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#define CLKMGR_ALT_EMACCTR_SRC_MASK GENMASK(18, 16)
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#define CLKMGR_ALT_EMACCTR_CNT_OFFSET 0
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#define CLKMGR_ALT_EMACCTR_CNT_MASK GENMASK(10, 0)
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#define CLKMGR_ALT_EXTCNTRST_ALLCNTRST_MASK GENMASK(15, 0)
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#endif /* _CLK_N5X_ */
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