Atmosphere/fusee/fusee-primary/src/car.h

#ifndef __FUSEE_CLOCK_H__
#define __FUSEE_CLOCK_H__

#include "utils.h"

/**
 * Struct definition yanked from u-boot.
 */

/* PLL registers - there are several PLLs in the clock controller */
struct clk_pll {
    uint32_t pll_base;      /* the control register */
    /* pll_out[0] is output A control, pll_out[1] is output B control */
    uint32_t pll_out[2];
    uint32_t pll_misc;      /* other misc things */
};

/* PLL registers - there are several PLLs in the clock controller */
struct clk_pll_simple {
    uint32_t pll_base;      /* the control register */
    uint32_t pll_misc;      /* other misc things */
};

struct clk_pllm {
    uint32_t pllm_base;     /* the control register */
    uint32_t pllm_out;      /* output control */
    uint32_t pllm_misc1;    /* misc1 */
    uint32_t pllm_misc2;    /* misc2 */
};


/*
 * Most PLLs use the clk_pll structure, but some have a simpler two-member
 * structure for which we use clk_pll_simple. The reason for this non-
 * othogonal setup is not stated.
 */
enum {
    TEGRA_CLK_PLLS         = 6,    /* Number of normal PLLs */
    TEGRA_CLK_SIMPLE_PLLS  = 3,    /* Number of simple PLLs */
    TEGRA_CLK_SOURCES      = 64,   /* Number of ppl clock sources L/H/U */
    TEGRA_CLK_SOURCES_VW   = 32,   /* Number of ppl clock sources V/W */
    TEGRA_CLK_SOURCES_X    = 32,   /* Number of ppl clock sources X */
    TEGRA_CLK_SOURCES_Y    = 18,   /* Number of ppl clock sources Y */
};

/*
 * Masks for TEGRA_CLK_SOURCE elements.
 */
enum {
    CLK_SOURCE_MASK                   = (0b111 << 29),
    CLK_SOURCE_SDMMC1_PLLP_OUT0       = (0b000 << 29), /* Fixed 408 MHz */
    CLK_SOURCE_SDMMC4_PLLP_OUT0       = (0b000 << 29), /* Fixed 408 MHz */
    CLK_SOURCE_SDMMC4_PLLC4_OUT2_LJ   = (0b001 << 29), /* 199.68 MHz */
    CLK_SOURCE_SDMMC_LEGACY_PLLP_OUT0 = (0b100 << 29), /* Fixed 408 MHz */

    CLK_DIVIDER_MASK                  = (0xff << 0),
    CLK_DIVIDER_UNITY                 = (0x00 << 0),
};


/**
 * Reset bits for relevant registers.
 */
enum {
    CAR_CONTROL_SDMMC1 = (1 << 14),
    CAR_CONTROL_SDMMC4 = (1 << 15),
    CAR_CONTROL_SDMMC_LEGACY = (1 << 1),
};


enum {
    CLK_SOURCE_SDMMC1         = 20,
    CLK_SOURCE_SDMMC4         = 25,   /* 0x54 into the the main source block */

    CLK_SOURCE_SDMMC_LEGACY  = 0,   /* first in block Y */
};


/* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
struct tegra_car {
    uint32_t rst_src;           /* _RST_SOURCE_0,0x00 */

    uint32_t rst_dev_l;
    uint32_t rst_dev_h;
    uint32_t rst_dev_u;

    uint32_t clk_out_dev_l;
    uint32_t clk_out_dev_h;
    uint32_t clk_out_dev_u;

    uint32_t reserved0;     /* reserved_0,      0x1C */
    uint32_t cclk_brst_pol;     /* _CCLK_BURST_POLICY_0, 0x20 */
    uint32_t super_cclk_div;    /* _SUPER_CCLK_DIVIDER_0,0x24 */
    uint32_t sclk_brst_pol;     /* _SCLK_BURST_POLICY_0, 0x28 */
    uint32_t super_sclk_div;    /* _SUPER_SCLK_DIVIDER_0,0x2C */
    uint32_t clk_sys_rate;      /* _CLK_SYSTEM_RATE_0,  0x30 */
    uint32_t prog_dly_clk;      /* _PROG_DLY_CLK_0, 0x34 */
    uint32_t aud_sync_clk_rate; /* _AUDIO_SYNC_CLK_RATE_0,0x38 */
    uint32_t reserved1;     /* reserved_1,      0x3C */
    uint32_t cop_clk_skip_plcy; /* _COP_CLK_SKIP_POLICY_0,0x40 */
    uint32_t clk_mask_arm;      /* _CLK_MASK_ARM_0, 0x44 */
    uint32_t misc_clk_enb;      /* _MISC_CLK_ENB_0, 0x48 */
    uint32_t clk_cpu_cmplx;     /* _CLK_CPU_CMPLX_0,    0x4C */
    uint32_t osc_ctrl;      /* _OSC_CTRL_0,     0x50 */
    uint32_t pll_lfsr;      /* _PLL_LFSR_0,     0x54 */
    uint32_t osc_freq_det;      /* _OSC_FREQ_DET_0, 0x58 */
    uint32_t osc_freq_det_stat; /* _OSC_FREQ_DET_STATUS_0,0x5C */
    uint32_t reserved2[8];      /* reserved_2[8],   0x60-7C */

    struct clk_pll pll[TEGRA_CLK_PLLS]; /* PLLs from 0x80 to 0xdc */

    /* PLLs from 0xe0 to 0xf4    */
    struct clk_pll_simple pll_simple[TEGRA_CLK_SIMPLE_PLLS];

    uint32_t reserved10;        /* _reserved_10,    0xF8 */
    uint32_t reserved11;        /* _reserved_11,    0xFC */

    uint32_t clk_src[TEGRA_CLK_SOURCES]; /*_I2S1_0...   0x100-1fc */

    uint32_t reserved20[32];    /* _reserved_20,    0x200-27c */

    uint32_t clk_out_enb_x;     /* _CLK_OUT_ENB_X_0,    0x280 */
    uint32_t clk_enb_x_set;     /* _CLK_ENB_X_SET_0,    0x284 */
    uint32_t clk_enb_x_clr;     /* _CLK_ENB_X_CLR_0,    0x288 */

    uint32_t rst_devices_x;     /* _RST_DEVICES_X_0,    0x28c */
    uint32_t rst_dev_x_set;     /* _RST_DEV_X_SET_0,    0x290 */
    uint32_t rst_dev_x_clr;     /* _RST_DEV_X_CLR_0,    0x294 */

    uint32_t clk_out_enb_y;     /* _CLK_OUT_ENB_Y_0,    0x298 */
    uint32_t clk_enb_y_set;     /* _CLK_ENB_Y_SET_0,    0x29c */
    uint32_t clk_enb_y_clr;     /* _CLK_ENB_Y_CLR_0,    0x2a0 */

    uint32_t rst_devices_y;     /* _RST_DEVICES_Y_0,    0x2a4 */
    uint32_t rst_dev_y_set;     /* _RST_DEV_Y_SET_0,    0x2a8 */
    uint32_t rst_dev_y_clr;     /* _RST_DEV_Y_CLR_0,    0x2ac */

    uint32_t reserved21[17];    /* _reserved_21,    0x2b0-2f0 */

    uint32_t dfll_base;     /* _DFLL_BASE_0,    0x2f4 */

    uint32_t reserved22[2];     /* _reserved_22,    0x2f8-2fc */

    /* _RST_DEV_L/H/U_SET_0 0x300 ~ 0x314 */
    uint32_t rst_dev_l_set;
    uint32_t rst_dev_l_clr;
    uint32_t rst_dev_h_set;
    uint32_t rst_dev_h_clr;
    uint32_t rst_dev_u_set;
    uint32_t rst_dev_u_clr;

    uint32_t reserved30[2];     /* _reserved_30,    0x318, 0x31c */

    /* _CLK_ENB_L/H/U_CLR_0 0x320 ~ 0x334 */
    uint32_t clk_enb_l_set;
    uint32_t clk_enb_l_clr;
    uint32_t clk_enb_h_set;
    uint32_t clk_enb_h_clr;
    uint32_t clk_enb_u_set;
    uint32_t clk_enb_u_clr;

    uint32_t reserved31[2];     /* _reserved_31,    0x338, 0x33c */

    uint32_t cpu_cmplx_set;     /* _RST_CPU_CMPLX_SET_0,    0x340 */
    uint32_t cpu_cmplx_clr;     /* _RST_CPU_CMPLX_CLR_0,    0x344 */

    /* Additional (T30) registers */
    uint32_t clk_cpu_cmplx_set; /* _CLK_CPU_CMPLX_SET_0,    0x348 */
    uint32_t clk_cpu_cmplx_clr; /* _CLK_CPU_CMPLX_SET_0,    0x34c */

    uint32_t reserved32[2];     /* _reserved_32,      0x350,0x354 */

    uint32_t rst_dev_v; /* _RST_DEVICES_V/W_0 */
    uint32_t rst_dev_w; /* _RST_DEVICES_V/W_0 */

    uint32_t clk_out_enb_v; /* _CLK_OUT_ENB_V/W_0 */
    uint32_t clk_out_enb_w; /* _CLK_OUT_ENB_V/W_0 */
    uint32_t cclkg_brst_pol;    /* _CCLKG_BURST_POLICY_0,   0x368 */
    uint32_t super_cclkg_div;   /* _SUPER_CCLKG_DIVIDER_0,  0x36C */
    uint32_t cclklp_brst_pol;   /* _CCLKLP_BURST_POLICY_0,  0x370 */
    uint32_t super_cclkp_div;   /* _SUPER_CCLKLP_DIVIDER_0, 0x374 */
    uint32_t clk_cpug_cmplx;    /* _CLK_CPUG_CMPLX_0,       0x378 */
    uint32_t clk_cpulp_cmplx;   /* _CLK_CPULP_CMPLX_0,      0x37C */
    uint32_t cpu_softrst_ctrl;  /* _CPU_SOFTRST_CTRL_0,     0x380 */
    uint32_t cpu_softrst_ctrl1; /* _CPU_SOFTRST_CTRL1_0,    0x384 */
    uint32_t cpu_softrst_ctrl2; /* _CPU_SOFTRST_CTRL2_0,    0x388 */
    uint32_t reserved33[9];     /* _reserved_33,        0x38c-3ac */
    uint32_t clk_src_v;  /* 0x3B0-0x42C */
    uint32_t clk_src_w;  /* 0x3B0-0x42C */

    /* _RST_DEV_V/W_SET_0 0x430 ~ 0x43c */
    uint32_t rst_dev_v_set;
    uint32_t rst_dev_v_clr;
    uint32_t rst_dev_w_set;
    uint32_t rst_dev_w_clr;

    /* _CLK_ENB_V/W_CLR_0 0x440 ~ 0x44c */
    uint32_t rst_clk_v_set;
    uint32_t rst_clk_v_clr;
    uint32_t rst_clk_w_set;
    uint32_t rst_clk_w_clr;

    /* Additional (T114+) registers */
    uint32_t rst_cpug_cmplx_set;    /* _RST_CPUG_CMPLX_SET_0,  0x450 */
    uint32_t rst_cpug_cmplx_clr;    /* _RST_CPUG_CMPLX_CLR_0,  0x454 */
    uint32_t rst_cpulp_cmplx_set;   /* _RST_CPULP_CMPLX_SET_0, 0x458 */
    uint32_t rst_cpulp_cmplx_clr;   /* _RST_CPULP_CMPLX_CLR_0, 0x45C */
    uint32_t clk_cpug_cmplx_set;    /* _CLK_CPUG_CMPLX_SET_0,  0x460 */
    uint32_t clk_cpug_cmplx_clr;    /* _CLK_CPUG_CMPLX_CLR_0,  0x464 */
    uint32_t clk_cpulp_cmplx_set;   /* _CLK_CPULP_CMPLX_SET_0, 0x468 */
    uint32_t clk_cpulp_cmplx_clr;   /* _CLK_CPULP_CMPLX_CLR_0, 0x46C */
    uint32_t cpu_cmplx_status;  /* _CPU_CMPLX_STATUS_0,    0x470 */
    uint32_t reserved40[1];     /* _reserved_40,        0x474 */
    uint32_t intstatus;     /* __INTSTATUS_0,       0x478 */
    uint32_t intmask;       /* __INTMASK_0,         0x47C */
    uint32_t utmip_pll_cfg0;    /* _UTMIP_PLL_CFG0_0,   0x480 */
    uint32_t utmip_pll_cfg1;    /* _UTMIP_PLL_CFG1_0,   0x484 */
    uint32_t utmip_pll_cfg2;    /* _UTMIP_PLL_CFG2_0,   0x488 */

    uint32_t plle_aux;      /* _PLLE_AUX_0,     0x48C */
    uint32_t sata_pll_cfg0;     /* _SATA_PLL_CFG0_0,    0x490 */
    uint32_t sata_pll_cfg1;     /* _SATA_PLL_CFG1_0,    0x494 */
    uint32_t pcie_pll_cfg0;     /* _PCIE_PLL_CFG0_0,    0x498 */

    uint32_t prog_audio_dly_clk;    /* _PROG_AUDIO_DLY_CLK_0, 0x49C */
    uint32_t audio_sync_clk_i2s0;   /* _AUDIO_SYNC_CLK_I2S0_0, 0x4A0 */
    uint32_t audio_sync_clk_i2s1;   /* _AUDIO_SYNC_CLK_I2S1_0, 0x4A4 */
    uint32_t audio_sync_clk_i2s2;   /* _AUDIO_SYNC_CLK_I2S2_0, 0x4A8 */
    uint32_t audio_sync_clk_i2s3;   /* _AUDIO_SYNC_CLK_I2S3_0, 0x4AC */
    uint32_t audio_sync_clk_i2s4;   /* _AUDIO_SYNC_CLK_I2S4_0, 0x4B0 */
    uint32_t audio_sync_clk_spdif;  /* _AUDIO_SYNC_CLK_SPDIF_0, 0x4B4 */

    uint32_t plld2_base;        /* _PLLD2_BASE_0, 0x4B8 */
    uint32_t plld2_misc;        /* _PLLD2_MISC_0, 0x4BC */
    uint32_t utmip_pll_cfg3;    /* _UTMIP_PLL_CFG3_0, 0x4C0 */
    uint32_t pllrefe_base;      /* _PLLREFE_BASE_0, 0x4C4 */
    uint32_t pllrefe_misc;      /* _PLLREFE_MISC_0, 0x4C8 */
    uint32_t crs_reserved_50[7];    /* _reserved_50, 0x4CC-0x4E4 */
    uint32_t pllc2_base;        /* _PLLC2_BASE_0, 0x4E8 */
    uint32_t pllc2_misc0;       /* _PLLC2_MISC_0_0, 0x4EC */
    uint32_t pllc2_misc1;       /* _PLLC2_MISC_1_0, 0x4F0 */
    uint32_t pllc2_misc2;       /* _PLLC2_MISC_2_0, 0x4F4 */
    uint32_t pllc2_misc3;       /* _PLLC2_MISC_3_0, 0x4F8 */
    uint32_t pllc3_base;        /* _PLLC3_BASE_0, 0x4FC */
    uint32_t pllc3_misc0;       /* _PLLC3_MISC_0_0, 0x500 */
    uint32_t pllc3_misc1;       /* _PLLC3_MISC_1_0, 0x504 */
    uint32_t pllc3_misc2;       /* _PLLC3_MISC_2_0, 0x508 */
    uint32_t pllc3_misc3;       /* _PLLC3_MISC_3_0, 0x50C */
    uint32_t pllx_misc1;        /* _PLLX_MISC_1_0, 0x510 */
    uint32_t pllx_misc2;        /* _PLLX_MISC_2_0, 0x514 */
    uint32_t pllx_misc3;        /* _PLLX_MISC_3_0, 0x518 */
    uint32_t xusbio_pll_cfg0;   /* _XUSBIO_PLL_CFG0_0, 0x51C */
    uint32_t xusbio_pll_cfg1;   /* _XUSBIO_PLL_CFG0_1, 0x520 */
    uint32_t plle_aux1;     /* _PLLE_AUX1_0, 0x524 */
    uint32_t pllp_reshift;      /* _PLLP_RESHIFT_0, 0x528 */
    uint32_t utmipll_hw_pwrdn_cfg0; /* _UTMIPLL_HW_PWRDN_CFG0_0, 0x52C */
    uint32_t pllu_hw_pwrdn_cfg0;    /* _PLLU_HW_PWRDN_CFG0_0, 0x530 */
    uint32_t xusb_pll_cfg0;     /* _XUSB_PLL_CFG0_0, 0x534 */
    uint32_t reserved51[1];     /* _reserved_51, 0x538 */
    uint32_t clk_cpu_misc;      /* _CLK_CPU_MISC_0, 0x53C */
    uint32_t clk_cpug_misc;     /* _CLK_CPUG_MISC_0, 0x540 */
    uint32_t clk_cpulp_misc;    /* _CLK_CPULP_MISC_0, 0x544 */
    uint32_t pllx_hw_ctrl_cfg;  /* _PLLX_HW_CTRL_CFG_0, 0x548 */
    uint32_t pllx_sw_ramp_cfg;  /* _PLLX_SW_RAMP_CFG_0, 0x54C */
    uint32_t pllx_hw_ctrl_status;   /* _PLLX_HW_CTRL_STATUS_0, 0x550 */
    uint32_t reserved52[1];     /* _reserved_52, 0x554 */
    uint32_t super_gr3d_clk_div;    /* _SUPER_GR3D_CLK_DIVIDER_0, 0x558 */
    uint32_t spare_reg0;        /* _SPARE_REG0_0, 0x55C */
    uint32_t _rsv32[4];                  /*                    0x560-0x56c */
    uint32_t plld2_ss_cfg;       /* _PLLD2_SS_CFG            0x570 */
    uint32_t _rsv32_1[7];        /*                      0x574-58c */
    struct clk_pll_simple plldp;    /* _PLLDP_BASE, 0x590 _PLLDP_MISC */
    uint32_t plldp_ss_cfg;       /* _PLLDP_SS_CFG, 0x598 */

    /* Tegra124+ - skip to 0x600 here for new CLK_SOURCE_ regs */
    uint32_t _rsrv32_2[25];         /* _0x59C - 0x5FC */
    uint32_t clk_src_x[TEGRA_CLK_SOURCES_X]; /* XUSB, etc, 0x600-0x67C */

    /* Tegra210 - skip to 0x694 here for new CLK_SOURCE_ regs */
    uint32_t reserved61[5]; /* _reserved_61, 0x680 - 0x690 */
    /*
     * NOTE: PLLA1 regs are in the middle of this Y region. Break this in
     * two later if PLLA1 is needed, but for now this is cleaner.
     */
    uint32_t clk_src_y[TEGRA_CLK_SOURCES_Y]; /* SPARE1, etc, 0x694-0x6D8 */
};


/**
 * Utility function that grabs the Tegra CAR registers.
 */
static inline struct tegra_car *car_get_regs(void)
{
    return (struct tegra_car *)0x60006000UL;
}

#endif