1 /* 2 * Clock and power management. This exposes the combined functionality 3 * provided by the jz4780 and related SoCs. The power management 4 * functionality could be exposed using a separate driver. 5 * 6 * Copyright (C) 2017, 2018, 2020, 2021, 2023 Paul Boddie <paul@boddie.org.uk> 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA 22 */ 23 24 #include <l4/devices/hw_mmio_register_block.h> 25 #include "cpm-jz4780.h" 26 27 28 29 // Register locations. 30 31 enum Regs : unsigned 32 { 33 Clock_control = 0x000, // CPCCR 34 Low_power_control = 0x004, // LCR 35 Clock_gate0 = 0x020, // CLKGR0 36 Clock_gate1 = 0x028, // CLKGR1 37 Sleep_control = 0x024, // OPCR (oscillator and power control) 38 Clock_status = 0x0d4, // CPCSR 39 40 Divider_bch = 0x0ac, // BCHCDR 41 Divider_cim = 0x07c, // CIMCDR 42 Divider_ddr = 0x02c, // DDRCDR 43 Divider_gpu = 0x088, // GPUCDR 44 Divider_hdmi = 0x08c, // HDMICDR 45 Divider_i2s0 = 0x060, // I2SCDR 46 Divider_i2s1 = 0x0a0, // I2S1CDR 47 Divider_lcd0 = 0x054, // LP0CDR 48 Divider_lcd1 = 0x064, // LP1CDR 49 Divider_msc0 = 0x068, // MSC0CDR 50 Divider_msc1 = 0x0a4, // MSC1CDR 51 Divider_msc2 = 0x0a8, // MSC2CDR 52 Divider_pcm = 0x084, // PCMCDR 53 Divider_ssi = 0x074, // SSICDR 54 Divider_uhc = 0x06c, // UHCCDR 55 Divider_vpu = 0x030, // VPUCDR 56 57 Cpm_interrupt = 0x0b0, // CPM_INTR 58 Cpm_interrupt_en = 0x0b4, // CPM_INTRE 59 Cpm_scratch = 0x034, // CPSPR 60 Cpm_scratch_prot = 0x038, // CPSPPR 61 62 Usb_param_control0 = 0x03c, // USBPCR 63 Usb_reset_detect = 0x040, // USBRDT 64 Usb_vbus_jitter = 0x044, // USBVBFIL 65 Usb_param_control1 = 0x048, // USBPCR1 66 67 Pll_control = 0x00c, // CPPCR 68 Pll_control_A = 0x010, // CPAPCR 69 Pll_control_M = 0x014, // CPMPCR 70 Pll_control_E = 0x018, // CPEPCR 71 Pll_control_V = 0x01c, // CPVPCR 72 }; 73 74 75 76 // Register field definitions. 77 78 static Field Clock_source_main (Clock_control, 3, 30), // SEL_SRC (output to SCLK_A) 79 Clock_source_cpu (Clock_control, 3, 28), // SEL_CPLL (output to CCLK) 80 Clock_source_hclock0 (Clock_control, 3, 26), // SEL_H0PLL (output to AHB0) 81 Clock_source_hclock2 (Clock_control, 3, 24), // SEL_H2PLL (output to AHB2) 82 Clock_source_bch (Divider_bch, 3, 30), // BPCS 83 Clock_source_cim (Divider_cim, 1, 31), // CIMPCS 84 Clock_source_ddr (Divider_ddr, 3, 30), // DCS 85 Clock_source_gpu (Divider_gpu, 3, 30), // GPCS 86 Clock_source_hdmi (Divider_hdmi, 3, 30), // HPCS 87 Clock_source_i2s0 (Divider_i2s0, 3, 30), // I2CS, I2PCS 88 Clock_source_i2s1 (Divider_i2s1, 3, 30), // I2CS, I2PCS 89 Clock_source_lcd0 (Divider_lcd0, 3, 30), // LPCS 90 Clock_source_lcd1 (Divider_lcd1, 3, 30), // LPCS 91 Clock_source_msc (Divider_msc0, 3, 30), // MPCS 92 Clock_source_pcm (Divider_pcm, 7, 29), // PCMS, PCMPCS 93 Clock_source_ssi (Divider_ssi, 3, 30), // SCS, SPCS 94 Clock_source_uhc (Divider_uhc, 3, 30), // UHCS 95 Clock_source_usb_phy (Usb_param_control1, 3, 24), // REFCLKDIV 96 Clock_source_vpu (Divider_vpu, 3, 30), // VCS 97 98 Clock_busy_cpu (Clock_status, 1, 0), 99 Clock_busy_hclock0 (Clock_status, 1, 1), 100 Clock_busy_hclock2 (Clock_status, 1, 2), 101 Clock_busy_bch (Divider_bch, 1, 28), 102 Clock_busy_cim (Divider_cim, 1, 29), 103 Clock_busy_ddr (Divider_ddr, 1, 28), 104 Clock_busy_gpu (Divider_gpu, 1, 28), 105 Clock_busy_hdmi (Divider_hdmi, 1, 28), 106 Clock_busy_i2s0 (Divider_i2s0, 1, 28), 107 Clock_busy_i2s1 (Divider_i2s1, 1, 28), 108 Clock_busy_lcd0 (Divider_lcd0, 1, 27), 109 Clock_busy_lcd1 (Divider_lcd1, 1, 27), 110 Clock_busy_msc0 (Divider_msc0, 1, 28), 111 Clock_busy_msc1 (Divider_msc1, 1, 28), 112 Clock_busy_msc2 (Divider_msc2, 1, 28), 113 Clock_busy_pcm (Divider_pcm, 1, 27), 114 Clock_busy_ssi (Divider_ssi, 1, 28), 115 Clock_busy_uhc (Divider_uhc, 1, 28), 116 Clock_busy_vpu (Divider_vpu, 1, 28), 117 118 Clock_change_enable_cpu (Clock_control, 1, 22), 119 Clock_change_enable_ahb0 (Clock_control, 1, 21), 120 Clock_change_enable_ahb2 (Clock_control, 1, 20), 121 Clock_change_enable_bch (Divider_bch, 1, 29), 122 Clock_change_enable_cim (Divider_cim, 1, 30), 123 Clock_change_enable_ddr (Divider_ddr, 1, 29), 124 Clock_change_enable_gpu (Divider_gpu, 1, 29), 125 Clock_change_enable_hdmi (Divider_hdmi, 1, 29), 126 Clock_change_enable_i2s0 (Divider_i2s0, 1, 29), 127 Clock_change_enable_i2s1 (Divider_i2s1, 1, 29), 128 Clock_change_enable_lcd0 (Divider_lcd0, 1, 28), 129 Clock_change_enable_lcd1 (Divider_lcd1, 1, 28), 130 Clock_change_enable_msc0 (Divider_msc0, 1, 29), 131 Clock_change_enable_msc1 (Divider_msc1, 1, 29), 132 Clock_change_enable_msc2 (Divider_msc2, 1, 29), 133 Clock_change_enable_pcm (Divider_pcm, 1, 28), 134 Clock_change_enable_ssi (Divider_ssi, 1, 29), 135 Clock_change_enable_uhc (Divider_uhc, 1, 29), 136 Clock_change_enable_vpu (Divider_vpu, 1, 29), 137 138 Clock_divider_cpu (Clock_control, 0x0f, 0), // CDIV 139 Clock_divider_hclock0 (Clock_control, 0x0f, 8), // H0DIV (fast AHB peripherals) 140 Clock_divider_hclock2 (Clock_control, 0x0f, 12), // H2DIV (fast AHB peripherals) 141 Clock_divider_l2cache (Clock_control, 0x0f, 4), // L2CDIV 142 Clock_divider_pclock (Clock_control, 0x0f, 16), // PDIV (slow APB peripherals) 143 Clock_divider_bch (Divider_bch, 0x0f, 0), // BCHCDR 144 Clock_divider_cim (Divider_cim, 0xff, 0), // CIMCDR 145 Clock_divider_ddr (Divider_ddr, 0x0f, 0), // DDRCDR 146 Clock_divider_gpu (Divider_gpu, 0x0f, 0), // GPUCDR 147 Clock_divider_hdmi (Divider_hdmi, 0xff, 0), // HDMICDR 148 Clock_divider_i2s0 (Divider_i2s0, 0xff, 0), // I2SCDR 149 Clock_divider_i2s1 (Divider_i2s1, 0xff, 0), // I2SCDR 150 Clock_divider_lcd0 (Divider_lcd0, 0xff, 0), // LPCDR 151 Clock_divider_lcd1 (Divider_lcd1, 0xff, 0), // LPCDR 152 Clock_divider_msc0 (Divider_msc0, 0xff, 0), // MSC0CDR 153 Clock_divider_msc1 (Divider_msc1, 0xff, 0), // MSC1CDR 154 Clock_divider_msc2 (Divider_msc2, 0xff, 0), // MSC2CDR 155 Clock_divider_pcm (Divider_pcm, 0xff, 0), // PCMCDR 156 Clock_divider_ssi (Divider_ssi, 0xff, 0), // SSICDR 157 Clock_divider_uhc (Divider_uhc, 0xff, 0), // UHCCDR 158 Clock_divider_vpu (Divider_vpu, 0x0f, 0), // VPUCDR 159 160 Clock_gate_main (Clock_control, 1, 23, true), // GATE_SCLKA 161 Clock_gate_ddr (Clock_gate0, 3, 30, true), // DDR1, DDR0 162 Clock_gate_ipu (Clock_gate0, 1, 29, true), // IPU 163 Clock_gate_lcd (Clock_gate0, 3, 27, true), // LCD, TVE 164 Clock_gate_cim (Clock_gate0, 1, 26, true), // CIM 165 Clock_gate_i2c2 (Clock_gate0, 1, 25, true), // SMB2 166 Clock_gate_uhc (Clock_gate0, 1, 24, true), // UHC 167 Clock_gate_mac (Clock_gate0, 1, 23, true), // MAC 168 Clock_gate_gps (Clock_gate0, 1, 22, true), // GPS 169 Clock_gate_dma (Clock_gate0, 1, 21, true), // PDMA 170 //Clock_gate_ssi2 (Clock_gate0, 1, 20, true), // SSI2 171 Clock_gate_ssi1 (Clock_gate0, 1, 19, true), // SSI1 172 Clock_gate_uart3 (Clock_gate0, 1, 18, true), // UART3 173 Clock_gate_uart2 (Clock_gate0, 1, 17, true), // UART2 174 Clock_gate_uart1 (Clock_gate0, 1, 16, true), // UART1 175 Clock_gate_uart0 (Clock_gate0, 1, 15, true), // UART0 176 Clock_gate_sadc (Clock_gate0, 1, 14, true), // SADC 177 Clock_gate_kbc (Clock_gate0, 1, 13, true), // KBC 178 Clock_gate_msc2 (Clock_gate0, 1, 12, true), // MSC2 179 Clock_gate_msc1 (Clock_gate0, 1, 11, true), // MSC1 180 Clock_gate_owi (Clock_gate0, 1, 10, true), // OWI 181 Clock_gate_tssi0 (Clock_gate0, 1, 9, true), // TSSI0 182 Clock_gate_aic0 (Clock_gate0, 1, 8, true), // AIC0 183 Clock_gate_scc (Clock_gate0, 1, 7, true), // SCC 184 Clock_gate_i2c1 (Clock_gate0, 1, 6, true), // SMB1 185 Clock_gate_i2c0 (Clock_gate0, 1, 5, true), // SMB0 186 Clock_gate_ssi0 (Clock_gate0, 1, 4, true), // SSI0 187 Clock_gate_msc0 (Clock_gate0, 1, 3, true), // MSC0 188 Clock_gate_otg0 (Clock_gate0, 1, 2, true), // OTG0 189 Clock_gate_bch (Clock_gate0, 1, 1, true), // BCH 190 Clock_gate_nemc (Clock_gate0, 1, 0, true), // NEMC 191 Clock_gate_cpu1 (Clock_gate1, 1, 15, true), // P1 192 Clock_gate_x2d (Clock_gate1, 1, 14, true), // X2D 193 Clock_gate_des (Clock_gate1, 1, 13, true), // DES 194 Clock_gate_i2c4 (Clock_gate1, 1, 12, true), // SMB4 195 Clock_gate_ahb_mon (Clock_gate1, 1, 11, true), // AHB_MON 196 Clock_gate_uart4 (Clock_gate1, 1, 10, true), // UART4 197 Clock_gate_hdmi (Clock_gate1, 1, 9, true), // HDMI 198 Clock_gate_otg1 (Clock_gate1, 1, 8, true), // OTG1 199 Clock_gate_gpvlc (Clock_gate1, 1, 7, true), // GPVLC 200 Clock_gate_aic1 (Clock_gate1, 1, 6, true), // AIC1 201 Clock_gate_compress (Clock_gate1, 1, 5, true), // COMPRESS 202 Clock_gate_gpu (Clock_gate1, 1, 4, true), // GPU 203 Clock_gate_pcm (Clock_gate1, 1, 3, true), // PCM 204 Clock_gate_vpu (Clock_gate1, 1, 2, true), // VPU 205 Clock_gate_tssi1 (Clock_gate1, 1, 1, true), // TSSI1 206 Clock_gate_i2c3 (Clock_gate1, 1, 0, true), // I2C3 207 208 Pll_enable_A (Pll_control_A, 1, 0), // APLLEN 209 Pll_enable_E (Pll_control_E, 1, 0), // EPLLEN 210 Pll_enable_M (Pll_control_M, 1, 0), // MPLLEN 211 Pll_enable_V (Pll_control_V, 1, 0), // VPLLEN 212 213 Pll_stable_A (Pll_control_A, 1, 4), // APLL_ON 214 Pll_stable_E (Pll_control_E, 1, 4), // EPLL_ON 215 Pll_stable_M (Pll_control_M, 1, 4), // MPLL_ON 216 Pll_stable_V (Pll_control_V, 1, 4), // VPLL_ON 217 218 Pll_bypass_A (Pll_control_A, 1, 1), // APLL_BP 219 Pll_bypass_E (Pll_control_E, 1, 1), // EPLL_BP 220 Pll_bypass_M (Pll_control_M, 1, 1), // MPLL_BP 221 Pll_bypass_V (Pll_control_V, 1, 1), // VPLL_BP 222 223 // Multipliers and dividers yield 1-based values. 224 225 Pll_multiplier_A (Pll_control_A, 0x1fff, 19, 1), // APLLM 226 Pll_multiplier_E (Pll_control_E, 0x1fff, 19, 1), // EPLLM 227 Pll_multiplier_M (Pll_control_M, 0x1fff, 19, 1), // MPLLM 228 Pll_multiplier_V (Pll_control_V, 0x1fff, 19, 1), // VPLLM 229 230 Pll_input_division_A (Pll_control_A, 0x3f, 13, 1), // APLLN 231 Pll_input_division_E (Pll_control_E, 0x3f, 13, 1), // EPLLN 232 Pll_input_division_M (Pll_control_M, 0x3f, 13, 1), // MPLLN 233 Pll_input_division_V (Pll_control_V, 0x3f, 13, 1), // VPLLN 234 235 Pll_output_division_A (Pll_control_A, 0x0f, 9, 1), // APLLOD 236 Pll_output_division_E (Pll_control_E, 0x0f, 9, 1), // EPLLOD 237 Pll_output_division_M (Pll_control_M, 0x0f, 9, 1), // MPLLOD 238 Pll_output_division_V (Pll_control_V, 0x0f, 9, 1); // VPLLOD 239 240 241 242 // Multiplexer instances. 243 244 #define Clocks(...) ((enum Clock_identifiers []) {__VA_ARGS__}) 245 #define Specific(CLOCK) ((enum Clock_identifiers) (CLOCK)) 246 247 static Mux mux_external (Clock_external), 248 249 // Clocks being propagated to others. 250 251 mux_clock_ssi (Clock_ssi), 252 mux_clock_msc (Clock_msc), 253 mux_hclock2 (Clock_hclock2), 254 mux_hclock2_pclock (Clock_hclock2_pclock), 255 mux_pclock (Clock_pclock), 256 257 // Main bus and peripheral clock sources. 258 259 mux_ahb2 (4, Clocks(Clock_none, Clock_main, Clock_pll_M, Clock_rtc_external)), 260 mux_core (4, Clocks(Clock_none, Clock_main, Clock_pll_M, Clock_pll_E)), 261 mux_main (4, Clocks(Clock_none, Clock_pll_A, Clock_external, Clock_rtc_external)), 262 263 // Memory and device clock sources. 264 265 mux_cim (2, Clocks(Clock_main, Clock_pll_M)), 266 mux_dev (3, Clocks(Clock_none, Clock_main, Clock_pll_M)), 267 mux_lcd (3, Clocks(Clock_main, Clock_pll_M, Clock_pll_V)), 268 mux_usb (3, Clocks(Clock_main, Clock_pll_M, Clock_pll_E /* , OTG PHY */)), 269 mux_usb_phy (4, Clocks(Specific(Clock_usb_phy_12MHz), Specific(Clock_usb_phy_24MHz), 270 Specific(Clock_usb_phy_48MHz), Specific(Clock_usb_phy_19_2MHz))), 271 272 // Clock selectors involving the external clock. 273 274 mux_i2s (4, Clocks(Clock_external, Clock_external, Clock_main, Clock_pll_E)), 275 mux_pcm (8, Clocks(Clock_external, Clock_external, Clock_external, Clock_external, 276 Clock_main, Clock_pll_M, Clock_pll_E, Clock_pll_V)), 277 mux_ssi (4, Clocks(Clock_external, Clock_external, Clock_main, Clock_pll_M)); 278 279 280 281 // Clock instances. 282 283 static Clock_null clock_none; 284 285 static Clock_passive clock_external(48000000), 286 clock_rtc_external(32768), 287 clock_usb_phy_12MHz(12000000), 288 clock_usb_phy_19_2MHz(19200000), 289 clock_usb_phy_24MHz(24000000), 290 clock_usb_phy_48MHz(48000000); 291 292 293 294 // Note the use of extra parentheses due to the annoying C++ "most vexing parse" 295 // problem. See: https://en.wikipedia.org/wiki/Most_vexing_parse 296 297 static Clock clock_ahb_mon((Source(mux_external)), (Control(Clock_gate_ahb_mon))), 298 299 clock_compress((Source(mux_external)), (Control(Clock_gate_compress))), 300 301 clock_des((Source(mux_external)), (Control(Clock_gate_des))), 302 303 clock_dma((Source(mux_external)), (Control(Clock_gate_dma))), 304 305 clock_gps((Source(mux_external)), (Control(Clock_gate_gps))), 306 307 clock_gpvlc((Source(mux_external)), (Control(Clock_gate_gpvlc))), 308 309 clock_i2c0((Source(mux_pclock)), (Control(Clock_gate_i2c0))), 310 311 clock_i2c1((Source(mux_pclock)), (Control(Clock_gate_i2c1))), 312 313 clock_i2c2((Source(mux_pclock)), (Control(Clock_gate_i2c2))), 314 315 clock_i2c3((Source(mux_pclock)), (Control(Clock_gate_i2c3))), 316 317 clock_i2c4((Source(mux_pclock)), (Control(Clock_gate_i2c4))), 318 319 clock_i2s0(Source(mux_i2s, Clock_source_i2s0), Control(Clock_gate_aic0)), 320 321 clock_i2s1(Source(mux_i2s, Clock_source_i2s1), Control(Clock_gate_aic1)), 322 323 clock_ipu((Source(mux_external)), (Control(Clock_gate_ipu))), 324 325 clock_kbc((Source(mux_external)), (Control(Clock_gate_kbc))), 326 327 clock_lcd((Source(mux_external)), (Control(Clock_gate_lcd))), 328 329 clock_main(Source(mux_main, Clock_source_main), Control(Clock_gate_main)), 330 331 clock_mac((Source(mux_external)), (Control(Clock_gate_mac))), 332 333 clock_msc((Source(mux_dev, Clock_source_msc))), 334 335 clock_nemc((Source(mux_hclock2)), (Control(Clock_gate_nemc))), 336 337 clock_otg0((Source(mux_external)), (Control(Clock_gate_otg0))), 338 339 clock_otg1((Source(mux_external)), (Control(Clock_gate_otg1))), 340 341 clock_owi((Source(mux_external)), (Control(Clock_gate_owi))), 342 343 clock_sadc((Source(mux_external)), (Control(Clock_gate_sadc))), 344 345 clock_scc((Source(mux_external)), (Control(Clock_gate_scc))), 346 347 clock_tssi0((Source(mux_external)), (Control(Clock_gate_tssi0))), 348 349 clock_tssi1((Source(mux_external)), (Control(Clock_gate_tssi1))), 350 351 clock_uart0((Source(mux_external)), (Control(Clock_gate_uart0))), 352 353 clock_uart1((Source(mux_external)), (Control(Clock_gate_uart1))), 354 355 clock_uart2((Source(mux_external)), (Control(Clock_gate_uart2))), 356 357 clock_uart3((Source(mux_external)), (Control(Clock_gate_uart3))), 358 359 clock_uart4((Source(mux_external)), (Control(Clock_gate_uart4))), 360 361 clock_usb_phy(Source(mux_usb_phy, Clock_source_usb_phy)), 362 363 clock_x2d((Source(mux_external)), (Control(Clock_gate_x2d))), 364 365 // Special parent clock for hclock2 and pclock. 366 367 clock_hclock2_pclock(Source(mux_ahb2, Clock_source_hclock2)), 368 369 // SSI channel clocks depending on a common parent divider. 370 371 clock_ssi0((Source(mux_clock_ssi)), Control(Clock_gate_ssi0)), 372 373 clock_ssi1((Source(mux_clock_ssi)), Control(Clock_gate_ssi1)); 374 375 static Clock_divided 376 clock_bch(Source(mux_core, Clock_source_bch), 377 Control(Clock_gate_bch, Clock_change_enable_bch, Clock_busy_bch), 378 Divider(Clock_divider_bch)), 379 380 clock_cim(Source(mux_cim, Clock_source_cim), 381 Control(Clock_gate_cim, Clock_change_enable_cim, Clock_busy_cim), 382 Divider(Clock_divider_cim)), 383 384 clock_cpu(Source(mux_core, Clock_source_cpu), 385 Control(Field::undefined, Clock_change_enable_cpu, Clock_busy_cpu), 386 Divider(Clock_divider_cpu)), 387 388 clock_ddr(Source(mux_dev, Clock_source_ddr), 389 Control(Clock_gate_ddr, Clock_change_enable_ddr, Clock_busy_ddr), 390 Divider(Clock_divider_ddr)), 391 392 clock_gpu(Source(mux_core, Clock_source_gpu), 393 Control(Clock_gate_gpu, Clock_change_enable_gpu, Clock_busy_gpu), 394 Divider(Clock_divider_gpu)), 395 396 clock_hclock0(Source(mux_core, Clock_source_hclock0), 397 Control(Field::undefined, Clock_change_enable_ahb0), 398 Divider(Clock_divider_hclock0)), 399 400 clock_hclock2(Source(mux_hclock2_pclock), 401 Control(Field::undefined, Clock_change_enable_ahb2), 402 Divider(Clock_divider_hclock2)), 403 404 clock_hdmi(Source(mux_lcd, Clock_source_hdmi), 405 Control(Clock_gate_hdmi, Clock_change_enable_hdmi, Clock_busy_hdmi), 406 Divider(Clock_divider_hdmi)), 407 408 clock_l2cache(Source(mux_core, Clock_source_cpu), 409 Control(Field::undefined, Clock_change_enable_cpu, Clock_busy_cpu), 410 Divider(Clock_divider_l2cache)), 411 412 clock_lcd_pixel0(Source(mux_lcd, Clock_source_lcd0), 413 Control(Clock_gate_lcd, Clock_change_enable_lcd0, Clock_busy_lcd0), 414 Divider(Clock_divider_lcd0)), 415 416 clock_lcd_pixel1(Source(mux_lcd, Clock_source_lcd1), 417 Control(Clock_gate_lcd, Clock_change_enable_lcd1, Clock_busy_lcd1), 418 Divider(Clock_divider_lcd1)), 419 420 clock_msc0(Source(mux_clock_msc), 421 Control(Clock_gate_msc0, Clock_change_enable_msc0, Clock_busy_msc0), 422 Divider(Clock_divider_msc0, 2)), 423 424 clock_msc1(Source(mux_clock_msc), 425 Control(Clock_gate_msc1, Clock_change_enable_msc1, Clock_busy_msc1), 426 Divider(Clock_divider_msc1, 2)), 427 428 clock_msc2(Source(mux_clock_msc), 429 Control(Clock_gate_msc2, Clock_change_enable_msc2, Clock_busy_msc2), 430 Divider(Clock_divider_msc2, 2)), 431 432 clock_pcm(Source(mux_pcm, Clock_source_pcm), 433 Control(Clock_gate_pcm, Clock_change_enable_pcm, Clock_busy_pcm), 434 Divider(Clock_divider_pcm)), 435 436 clock_pclock(Source(mux_hclock2_pclock), 437 Control(Field::undefined, Clock_change_enable_ahb2), 438 Divider(Clock_divider_pclock)), 439 440 clock_ssi(Source(mux_ssi, Clock_source_ssi), 441 Control(Field::undefined, Clock_change_enable_ssi, Clock_busy_ssi), 442 Divider(Clock_divider_ssi)), 443 444 clock_uhc(Source(mux_usb, Clock_source_uhc), 445 Control(Clock_gate_uhc, Clock_change_enable_uhc, Clock_busy_uhc), 446 Divider(Clock_divider_uhc)), 447 448 clock_vpu(Source(mux_core, Clock_source_vpu), 449 Control(Clock_gate_vpu, Clock_change_enable_vpu, Clock_busy_vpu), 450 Divider(Clock_divider_vpu)); 451 452 static Clock_divided_fixed 453 clock_external_div_512((Source(mux_external)), (Divider_fixed(512))); 454 455 const double jz4780_pll_intermediate_min = 300000000, 456 jz4780_pll_intermediate_max = 1500000000; 457 458 static Pll clock_pll_A(Source(mux_external), 459 Control_pll(Pll_enable_A, Pll_stable_A, Pll_bypass_A), 460 Divider_pll(Pll_multiplier_A, Pll_input_division_A, 461 Pll_output_division_A, 462 jz4780_pll_intermediate_min, jz4780_pll_intermediate_max)), 463 464 clock_pll_E(Source(mux_external), 465 Control_pll(Pll_enable_E, Pll_stable_E, Pll_bypass_E), 466 Divider_pll(Pll_multiplier_E, Pll_input_division_E, 467 Pll_output_division_E, 468 jz4780_pll_intermediate_min, jz4780_pll_intermediate_max)), 469 470 clock_pll_M(Source(mux_external), 471 Control_pll(Pll_enable_M, Pll_stable_M, Pll_bypass_M), 472 Divider_pll(Pll_multiplier_M, Pll_input_division_M, 473 Pll_output_division_M, 474 jz4780_pll_intermediate_min, jz4780_pll_intermediate_max)), 475 476 clock_pll_V(Source(mux_external), 477 Control_pll(Pll_enable_V, Pll_stable_V, Pll_bypass_V), 478 Divider_pll(Pll_multiplier_V, Pll_input_division_V, 479 Pll_output_division_V, 480 jz4780_pll_intermediate_min, jz4780_pll_intermediate_max)); 481 482 483 484 // Clock register. 485 486 static Clock_base *clocks[Clock_jz4780_identifier_count] = { 487 &clock_none, 488 489 &clock_none, // Clock_aic 490 &clock_none, // Clock_aic_bitclk 491 &clock_none, // Clock_aic_pclk 492 &clock_none, // Clock_can0 493 &clock_none, // Clock_can1 494 &clock_none, // Clock_cdbus 495 &clock_cim, 496 &clock_cpu, 497 &clock_ddr, 498 &clock_dma, 499 &clock_none, // Clock_emac 500 &clock_external, 501 &clock_external_div_512, 502 &clock_hclock0, 503 &clock_hclock2, 504 &clock_hclock2_pclock, 505 &clock_hdmi, 506 &clock_i2c0, 507 &clock_i2c1, 508 &clock_i2c2, 509 &clock_i2c3, 510 &clock_i2c4, 511 &clock_i2s0, 512 &clock_none, // Clock_i2s0_rx 513 &clock_none, // Clock_i2s0_tx 514 &clock_i2s1, 515 &clock_none, // Clock_i2s1_rx 516 &clock_none, // Clock_i2s1_tx 517 &clock_none, // Clock_kbc 518 &clock_l2cache, 519 &clock_lcd, 520 &clock_lcd_pixel0, 521 &clock_lcd_pixel1, 522 &clock_mac, 523 &clock_main, 524 &clock_none, // Clock_mipi_csi 525 &clock_msc, 526 &clock_msc0, 527 &clock_msc1, 528 &clock_msc2, 529 &clock_nemc, 530 &clock_otg0, 531 &clock_otg1, 532 &clock_pclock, 533 &clock_pcm, 534 &clock_pll_A, 535 &clock_pll_E, 536 &clock_pll_M, 537 &clock_pll_V, 538 &clock_none, // Clock_pwm0 539 &clock_none, // Clock_pwm1 540 &clock_external_div_512,// Clock_rtc 541 &clock_rtc_external, 542 &clock_sadc, 543 &clock_scc, 544 &clock_none, // Clock_sfc 545 &clock_ssi, 546 &clock_ssi0, 547 &clock_ssi1, 548 &clock_none, // Clock_ssi2 549 &clock_none, // Clock_timer 550 &clock_uart0, 551 &clock_uart1, 552 &clock_uart2, 553 &clock_uart3, 554 &clock_uart4, 555 &clock_none, // Clock_udc 556 &clock_uhc, 557 &clock_none, // Clock_uprt 558 &clock_usb_phy, 559 &clock_vpu, 560 561 /* JZ4780-specific clocks. */ 562 563 &clock_usb_phy_12MHz, 564 &clock_usb_phy_19_2MHz, 565 &clock_usb_phy_24MHz, 566 &clock_usb_phy_48MHz, 567 }; 568 569 570 571 // Peripheral abstraction. 572 573 Cpm_jz4780_chip::Cpm_jz4780_chip(l4_addr_t addr) 574 : Cpm_chip(addr, clocks) 575 { 576 } 577 578 579 580 // C language interface functions. 581 582 void 583 *jz4780_cpm_init(l4_addr_t cpm_base) 584 { 585 return (void *) new Cpm_jz4780_chip(cpm_base); 586 } 587 588 const char * 589 jz4780_cpm_clock_type(void *cpm, enum Clock_identifiers clock) 590 { 591 return static_cast<Cpm_jz4780_chip *>(cpm)->clock_type(clock); 592 } 593 594 int 595 jz4780_cpm_have_clock(void *cpm, enum Clock_identifiers clock) 596 { 597 return static_cast<Cpm_jz4780_chip *>(cpm)->have_clock(clock); 598 } 599 600 void 601 jz4780_cpm_start_clock(void *cpm, enum Clock_identifiers clock) 602 { 603 static_cast<Cpm_jz4780_chip *>(cpm)->start_clock(clock); 604 } 605 606 void 607 jz4780_cpm_stop_clock(void *cpm, enum Clock_identifiers clock) 608 { 609 static_cast<Cpm_jz4780_chip *>(cpm)->stop_clock(clock); 610 } 611 612 int 613 jz4780_cpm_get_parameters(void *cpm, enum Clock_identifiers clock, uint32_t parameters[]) 614 { 615 return static_cast<Cpm_jz4780_chip *>(cpm)->get_parameters(clock, parameters); 616 } 617 618 int 619 jz4780_cpm_set_parameters(void *cpm, enum Clock_identifiers clock, int num_parameters, uint32_t parameters[]) 620 { 621 return static_cast<Cpm_jz4780_chip *>(cpm)->set_parameters(clock, num_parameters, parameters); 622 } 623 624 uint8_t 625 jz4780_cpm_get_source(void *cpm, enum Clock_identifiers clock) 626 { 627 return static_cast<Cpm_jz4780_chip *>(cpm)->get_source(clock); 628 } 629 630 void 631 jz4780_cpm_set_source(void *cpm, enum Clock_identifiers clock, uint8_t source) 632 { 633 static_cast<Cpm_jz4780_chip *>(cpm)->set_source(clock, source); 634 } 635 636 enum Clock_identifiers 637 jz4780_cpm_get_source_clock(void *cpm, enum Clock_identifiers clock) 638 { 639 return static_cast<Cpm_jz4780_chip *>(cpm)->get_source_clock(clock); 640 } 641 642 void 643 jz4780_cpm_set_source_clock(void *cpm, enum Clock_identifiers clock, enum Clock_identifiers source) 644 { 645 static_cast<Cpm_jz4780_chip *>(cpm)->set_source_clock(clock, source); 646 } 647 648 uint64_t 649 jz4780_cpm_get_source_frequency(void *cpm, enum Clock_identifiers clock) 650 { 651 return static_cast<Cpm_jz4780_chip *>(cpm)->get_source_frequency(clock); 652 } 653 654 uint64_t 655 jz4780_cpm_get_frequency(void *cpm, enum Clock_identifiers clock) 656 { 657 return static_cast<Cpm_jz4780_chip *>(cpm)->get_frequency(clock); 658 } 659 660 int 661 jz4780_cpm_set_frequency(void *cpm, enum Clock_identifiers clock, uint64_t frequency) 662 { 663 return static_cast<Cpm_jz4780_chip *>(cpm)->set_frequency(clock, frequency); 664 }