arch/arm/mach-socfpga/include/mach/clock_manager.h

   1 /*
   2  *  Copyright (C) 2013 Altera Corporation <www.altera.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #ifndef _CLOCK_MANAGER_H_
   8 #define _CLOCK_MANAGER_H_
   9
  10 #ifndef __ASSEMBLER__
  11 /* Clock speed accessors */
  12 unsigned long cm_get_mpu_clk_hz(void);
  13 unsigned long cm_get_sdram_clk_hz(void);
  14 unsigned int cm_get_l4_sp_clk_hz(void);
  15 unsigned int cm_get_mmc_controller_clk_hz(void);
  16 unsigned int cm_get_qspi_controller_clk_hz(void);
  17 unsigned int cm_get_spi_controller_clk_hz(void);
  18 const unsigned int cm_get_osc_clk_hz(const int osc);
  19 const unsigned int cm_get_f2s_per_ref_clk_hz(void);
  20 const unsigned int cm_get_f2s_sdr_ref_clk_hz(void);
  21
  22 /* Clock configuration accessors */
  23 const struct cm_config * const cm_get_default_config(void);
  24 #endif
  25
  26 struct cm_config {
  27         /* main group */
  28         uint32_t main_vco_base;
  29         uint32_t mpuclk;
  30         uint32_t mainclk;
  31         uint32_t dbgatclk;
  32         uint32_t mainqspiclk;
  33         uint32_t mainnandsdmmcclk;
  34         uint32_t cfg2fuser0clk;
  35         uint32_t maindiv;
  36         uint32_t dbgdiv;
  37         uint32_t tracediv;
  38         uint32_t l4src;
  39
  40         /* peripheral group */
  41         uint32_t peri_vco_base;
  42         uint32_t emac0clk;
  43         uint32_t emac1clk;
  44         uint32_t perqspiclk;
  45         uint32_t pernandsdmmcclk;
  46         uint32_t perbaseclk;
  47         uint32_t s2fuser1clk;
  48         uint32_t perdiv;
  49         uint32_t gpiodiv;
  50         uint32_t persrc;
  51
  52         /* sdram pll group */
  53         uint32_t sdram_vco_base;
  54         uint32_t ddrdqsclk;
  55         uint32_t ddr2xdqsclk;
  56         uint32_t ddrdqclk;
  57         uint32_t s2fuser2clk;
  58
  59         /* altera group */
  60         uint32_t altera_grp_mpuclk;
  61 };
  62
  63 void cm_basic_init(const struct cm_config * const cfg);
  64
  65 struct socfpga_clock_manager_main_pll {
  66         u32     vco;
  67         u32     misc;
  68         u32     mpuclk;
  69         u32     mainclk;
  70         u32     dbgatclk;
  71         u32     mainqspiclk;
  72         u32     mainnandsdmmcclk;
  73         u32     cfgs2fuser0clk;
  74         u32     en;
  75         u32     maindiv;
  76         u32     dbgdiv;
  77         u32     tracediv;
  78         u32     l4src;
  79         u32     stat;
  80         u32     _pad_0x38_0x40[2];
  81 };
  82
  83 struct socfpga_clock_manager_per_pll {
  84         u32     vco;
  85         u32     misc;
  86         u32     emac0clk;
  87         u32     emac1clk;
  88         u32     perqspiclk;
  89         u32     pernandsdmmcclk;
  90         u32     perbaseclk;
  91         u32     s2fuser1clk;
  92         u32     en;
  93         u32     div;
  94         u32     gpiodiv;
  95         u32     src;
  96         u32     stat;
  97         u32     _pad_0x34_0x40[3];
  98 };
  99
 100 struct socfpga_clock_manager_sdr_pll {
 101         u32     vco;
 102         u32     ctrl;
 103         u32     ddrdqsclk;
 104         u32     ddr2xdqsclk;
 105         u32     ddrdqclk;
 106         u32     s2fuser2clk;
 107         u32     en;
 108         u32     stat;
 109 };
 110
 111 struct socfpga_clock_manager_altera {
 112         u32     mpuclk;
 113         u32     mainclk;
 114 };
 115
 116 struct socfpga_clock_manager {
 117         u32     ctrl;
 118         u32     bypass;
 119         u32     inter;
 120         u32     intren;
 121         u32     dbctrl;
 122         u32     stat;
 123         u32     _pad_0x18_0x3f[10];
 124         struct socfpga_clock_manager_main_pll main_pll;
 125         struct socfpga_clock_manager_per_pll per_pll;
 126         struct socfpga_clock_manager_sdr_pll sdr_pll;
 127         struct socfpga_clock_manager_altera altera;
 128         u32     _pad_0xe8_0x200[70];
 129 };
 130
 131 #define CLKMGR_CTRL_SAFEMODE                            (1 << 0)
 132 #define CLKMGR_CTRL_SAFEMODE_OFFSET                     0
 133
 134 #define CLKMGR_BYPASS_PERPLLSRC                         (1 << 4)
 135 #define CLKMGR_BYPASS_PERPLLSRC_OFFSET                  4
 136 #define CLKMGR_BYPASS_PERPLL                            (1 << 3)
 137 #define CLKMGR_BYPASS_PERPLL_OFFSET                     3
 138 #define CLKMGR_BYPASS_SDRPLLSRC                         (1 << 2)
 139 #define CLKMGR_BYPASS_SDRPLLSRC_OFFSET                  2
 140 #define CLKMGR_BYPASS_SDRPLL                            (1 << 1)
 141 #define CLKMGR_BYPASS_SDRPLL_OFFSET                     1
 142 #define CLKMGR_BYPASS_MAINPLL                           (1 << 0)
 143 #define CLKMGR_BYPASS_MAINPLL_OFFSET                    0
 144
 145 #define CLKMGR_INTER_SDRPLLLOCKED_MASK                  0x00000100
 146 #define CLKMGR_INTER_PERPLLLOCKED_MASK                  0x00000080
 147 #define CLKMGR_INTER_MAINPLLLOCKED_MASK                 0x00000040
 148 #define CLKMGR_INTER_PERPLLLOST_MASK                    0x00000010
 149 #define CLKMGR_INTER_SDRPLLLOST_MASK                    0x00000020
 150 #define CLKMGR_INTER_MAINPLLLOST_MASK                   0x00000008
 151
 152 #define CLKMGR_STAT_BUSY                                (1 << 0)
 153
 154 /* Main PLL */
 155 #define CLKMGR_MAINPLLGRP_VCO_BGPWRDN                   (1 << 0)
 156 #define CLKMGR_MAINPLLGRP_VCO_BGPWRDN_OFFSET            0
 157 #define CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET              16
 158 #define CLKMGR_MAINPLLGRP_VCO_DENOM_MASK                0x003f0000
 159 #define CLKMGR_MAINPLLGRP_VCO_EN                        (1 << 1)
 160 #define CLKMGR_MAINPLLGRP_VCO_EN_OFFSET                 1
 161 #define CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET              3
 162 #define CLKMGR_MAINPLLGRP_VCO_NUMER_MASK                0x0000fff8
 163 #define CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK          0x01000000
 164 #define CLKMGR_MAINPLLGRP_VCO_PWRDN                     (1 << 2)
 165 #define CLKMGR_MAINPLLGRP_VCO_PWRDN_OFFSET              2
 166 #define CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK            0x80000000
 167 #define CLKMGR_MAINPLLGRP_VCO_RESET_VALUE               0x8001000d
 168
 169 #define CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET             0
 170 #define CLKMGR_MAINPLLGRP_MPUCLK_CNT_MASK               0x000001ff
 171
 172 #define CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET            0
 173 #define CLKMGR_MAINPLLGRP_MAINCLK_CNT_MASK              0x000001ff
 174
 175 #define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET           0
 176 #define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_MASK             0x000001ff
 177
 178 #define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET        0
 179 #define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_MASK          0x000001ff
 180
 181 #define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_OFFSET   0
 182 #define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_MASK     0x000001ff
 183
 184 #define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET     0
 185 #define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_MASK       0x000001ff
 186
 187 #define CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK              0x00000010
 188 #define CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK                0x00000020
 189 #define CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK           0x00000080
 190 #define CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK           0x00000040
 191 #define CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK               0x00000004
 192 #define CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK           0x00000200
 193
 194 #define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET        0
 195 #define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_MASK          0x00000003
 196 #define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET        2
 197 #define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_MASK          0x0000000c
 198 #define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET        4
 199 #define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_MASK          0x00000070
 200 #define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET        7
 201 #define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK          0x00000380
 202
 203 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET        0
 204 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_MASK          0x00000003
 205 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET          2
 206 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_MASK            0x0000000c
 207
 208 #define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET      0
 209 #define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_MASK        0x00000007
 210
 211 #define CLKMGR_MAINPLLGRP_L4SRC_L4MP                    (1 << 0)
 212 #define CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET             0
 213 #define CLKMGR_MAINPLLGRP_L4SRC_L4SP                    (1 << 1)
 214 #define CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET             1
 215 #define CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE             0x00000000
 216 #define CLKMGR_L4_SP_CLK_SRC_MAINPLL                    0x0
 217 #define CLKMGR_L4_SP_CLK_SRC_PERPLL                     0x1
 218
 219 /* Per PLL */
 220 #define CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET               16
 221 #define CLKMGR_PERPLLGRP_VCO_DENOM_MASK                 0x003f0000
 222 #define CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET               3
 223 #define CLKMGR_PERPLLGRP_VCO_NUMER_MASK                 0x0000fff8
 224 #define CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK           0x01000000
 225 #define CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET                22
 226 #define CLKMGR_PERPLLGRP_VCO_PSRC_MASK                  0x00c00000
 227 #define CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK             0x80000000
 228 #define CLKMGR_PERPLLGRP_VCO_RESET_VALUE                0x8001000d
 229 #define CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET                22
 230 #define CLKMGR_PERPLLGRP_VCO_SSRC_MASK                  0x00c00000
 231
 232 #define CLKMGR_VCO_SSRC_EOSC1                           0x0
 233 #define CLKMGR_VCO_SSRC_EOSC2                           0x1
 234 #define CLKMGR_VCO_SSRC_F2S                             0x2
 235
 236 #define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET            0
 237 #define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_MASK              0x000001ff
 238
 239 #define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET            0
 240 #define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_MASK              0x000001ff
 241
 242 #define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET          0
 243 #define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_MASK            0x000001ff
 244
 245 #define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET     0
 246 #define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_MASK       0x000001ff
 247
 248 #define CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET          0
 249 #define CLKMGR_PERPLLGRP_PERBASECLK_CNT_MASK            0x000001ff
 250
 251 #define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET         0
 252 #define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_MASK           0x000001ff
 253
 254 #define CLKMGR_PERPLLGRP_EN_NANDCLK_MASK                0x00000400
 255 #define CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK               0x00000100
 256
 257 #define CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET             6
 258 #define CLKMGR_PERPLLGRP_DIV_CAN0CLK_MASK               0x000001c0
 259 #define CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET             9
 260 #define CLKMGR_PERPLLGRP_DIV_CAN1CLK_MASK               0x00000e00
 261 #define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET             3
 262 #define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET             3
 263 #define CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET              0
 264 #define CLKMGR_PERPLLGRP_DIV_USBCLK_MASK                0x00000007
 265
 266 #define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET       0
 267 #define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_MASK         0x00ffffff
 268
 269 #define CLKMGR_PERPLLGRP_SRC_NAND_OFFSET                2
 270 #define CLKMGR_PERPLLGRP_SRC_NAND_MASK                  0x0000000c
 271 #define CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET                4
 272 #define CLKMGR_PERPLLGRP_SRC_QSPI_MASK                  0x00000030
 273 #define CLKMGR_PERPLLGRP_SRC_RESET_VALUE                0x00000015
 274 #define CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET               0
 275 #define CLKMGR_PERPLLGRP_SRC_SDMMC_MASK                 0x00000003
 276 #define CLKMGR_SDMMC_CLK_SRC_F2S                        0x0
 277 #define CLKMGR_SDMMC_CLK_SRC_MAIN                       0x1
 278 #define CLKMGR_SDMMC_CLK_SRC_PER                        0x2
 279 #define CLKMGR_QSPI_CLK_SRC_F2S                         0x0
 280 #define CLKMGR_QSPI_CLK_SRC_MAIN                        0x1
 281 #define CLKMGR_QSPI_CLK_SRC_PER                         0x2
 282
 283 /* SDR PLL */
 284 #define CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET               16
 285 #define CLKMGR_SDRPLLGRP_VCO_DENOM_MASK                 0x003f0000
 286 #define CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET               3
 287 #define CLKMGR_SDRPLLGRP_VCO_NUMER_MASK                 0x0000fff8
 288 #define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL                (1 << 24)
 289 #define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_OFFSET         24
 290 #define CLKMGR_SDRPLLGRP_VCO_OUTRESET_OFFSET            25
 291 #define CLKMGR_SDRPLLGRP_VCO_OUTRESET_MASK              0x7e000000
 292 #define CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK             0x80000000
 293 #define CLKMGR_SDRPLLGRP_VCO_RESET_VALUE                0x8001000d
 294 #define CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET                22
 295 #define CLKMGR_SDRPLLGRP_VCO_SSRC_MASK                  0x00c00000
 296
 297 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET           0
 298 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK             0x000001ff
 299 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET         9
 300 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK           0x00000e00
 301
 302 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET         0
 303 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK           0x000001ff
 304 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET       9
 305 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK         0x00000e00
 306
 307 #define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET            0
 308 #define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK              0x000001ff
 309 #define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET          9
 310 #define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK            0x00000e00
 311
 312 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET         0
 313 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK           0x000001ff
 314 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET       9
 315 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK         0x00000e00
 316
 317 #endif /* _CLOCK_MANAGER_H_ */