1/*- 2 * Copyright (c) 2015 Adrian Chadd <adrian@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h>
| 1/*- 2 * Copyright (c) 2015 Adrian Chadd <adrian@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h>
|
28__FBSDID("$FreeBSD: head/sys/mips/atheros/qca953x_chip.c 290910 2015-11-16 04:28:00Z adrian $");
| 28__FBSDID("$FreeBSD: head/sys/mips/atheros/qca953x_chip.c 292247 2015-12-15 04:45:00Z adrian $");
|
29 30#include "opt_ddb.h" 31 32#include <sys/param.h> 33#include <sys/conf.h> 34#include <sys/kernel.h> 35#include <sys/systm.h> 36#include <sys/bus.h> 37#include <sys/cons.h> 38#include <sys/kdb.h> 39#include <sys/reboot.h> 40 41#include <vm/vm.h> 42#include <vm/vm_page.h> 43 44#include <net/ethernet.h> 45 46#include <machine/clock.h> 47#include <machine/cpu.h> 48#include <machine/cpuregs.h> 49#include <machine/hwfunc.h> 50#include <machine/md_var.h> 51#include <machine/trap.h> 52#include <machine/vmparam.h> 53 54#include <mips/atheros/ar71xxreg.h> 55#include <mips/atheros/qca953xreg.h> 56 57#include <mips/atheros/ar71xx_cpudef.h> 58#include <mips/atheros/ar71xx_setup.h> 59 60#include <mips/atheros/ar71xx_chip.h> 61 62#include <mips/atheros/qca953x_chip.h> 63 64static void 65qca953x_chip_detect_mem_size(void) 66{ 67} 68 69static void 70qca953x_chip_detect_sys_frequency(void) 71{ 72 unsigned long ref_rate; 73 unsigned long cpu_rate; 74 unsigned long ddr_rate; 75 unsigned long ahb_rate; 76 uint32_t pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv; 77 uint32_t cpu_pll, ddr_pll; 78 uint32_t bootstrap; 79 80 bootstrap = ATH_READ_REG(QCA953X_RESET_REG_BOOTSTRAP); 81 if (bootstrap & QCA953X_BOOTSTRAP_REF_CLK_40) 82 ref_rate = 40 * 1000 * 1000; 83 else 84 ref_rate = 25 * 1000 * 1000; 85 86 pll = ATH_READ_REG(QCA953X_PLL_CPU_CONFIG_REG); 87 out_div = (pll >> QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & 88 QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK; 89 ref_div = (pll >> QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT) & 90 QCA953X_PLL_CPU_CONFIG_REFDIV_MASK; 91 nint = (pll >> QCA953X_PLL_CPU_CONFIG_NINT_SHIFT) & 92 QCA953X_PLL_CPU_CONFIG_NINT_MASK; 93 frac = (pll >> QCA953X_PLL_CPU_CONFIG_NFRAC_SHIFT) & 94 QCA953X_PLL_CPU_CONFIG_NFRAC_MASK; 95 96 cpu_pll = nint * ref_rate / ref_div; 97 cpu_pll += frac * (ref_rate >> 6) / ref_div; 98 cpu_pll /= (1 << out_div); 99 100 pll = ATH_READ_REG(QCA953X_PLL_DDR_CONFIG_REG); 101 out_div = (pll >> QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & 102 QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK; 103 ref_div = (pll >> QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT) & 104 QCA953X_PLL_DDR_CONFIG_REFDIV_MASK; 105 nint = (pll >> QCA953X_PLL_DDR_CONFIG_NINT_SHIFT) & 106 QCA953X_PLL_DDR_CONFIG_NINT_MASK; 107 frac = (pll >> QCA953X_PLL_DDR_CONFIG_NFRAC_SHIFT) & 108 QCA953X_PLL_DDR_CONFIG_NFRAC_MASK; 109 110 ddr_pll = nint * ref_rate / ref_div; 111 ddr_pll += frac * (ref_rate >> 6) / (ref_div << 4); 112 ddr_pll /= (1 << out_div); 113 114 clk_ctrl = ATH_READ_REG(QCA953X_PLL_CLK_CTRL_REG); 115 116 postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) & 117 QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK; 118 119 if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS) 120 cpu_rate = ref_rate; 121 else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL) 122 cpu_rate = cpu_pll / (postdiv + 1); 123 else 124 cpu_rate = ddr_pll / (postdiv + 1); 125 126 postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) & 127 QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK; 128 129 if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS) 130 ddr_rate = ref_rate; 131 else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL) 132 ddr_rate = ddr_pll / (postdiv + 1); 133 else 134 ddr_rate = cpu_pll / (postdiv + 1); 135 136 postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) & 137 QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK; 138 139 if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS) 140 ahb_rate = ref_rate; 141 else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL) 142 ahb_rate = ddr_pll / (postdiv + 1); 143 else 144 ahb_rate = cpu_pll / (postdiv + 1); 145 146 u_ar71xx_ddr_freq = ddr_rate; 147 u_ar71xx_cpu_freq = cpu_rate; 148 u_ar71xx_ahb_freq = ahb_rate; 149 150 u_ar71xx_wdt_freq = ref_rate; 151 u_ar71xx_uart_freq = ref_rate; 152 u_ar71xx_mdio_freq = ref_rate; 153 u_ar71xx_refclk = ref_rate; 154} 155 156static void 157qca953x_chip_device_stop(uint32_t mask) 158{ 159 uint32_t reg; 160 161 reg = ATH_READ_REG(QCA953X_RESET_REG_RESET_MODULE); 162 ATH_WRITE_REG(QCA953X_RESET_REG_RESET_MODULE, reg | mask); 163} 164 165static void 166qca953x_chip_device_start(uint32_t mask) 167{ 168 uint32_t reg; 169 170 reg = ATH_READ_REG(QCA953X_RESET_REG_RESET_MODULE); 171 ATH_WRITE_REG(QCA953X_RESET_REG_RESET_MODULE, reg & ~mask); 172} 173 174static int 175qca953x_chip_device_stopped(uint32_t mask) 176{ 177 uint32_t reg; 178 179 reg = ATH_READ_REG(QCA953X_RESET_REG_RESET_MODULE); 180 return ((reg & mask) == mask); 181} 182 183static void 184qca953x_chip_set_mii_speed(uint32_t unit, uint32_t speed) 185{ 186 187 /* XXX TODO */ 188 return; 189} 190 191static void 192qca953x_chip_set_pll_ge(int unit, int speed, uint32_t pll) 193{ 194 switch (unit) { 195 case 0: 196 ATH_WRITE_REG(QCA953X_PLL_ETH_XMII_CONTROL_REG, pll); 197 break; 198 case 1:
| 29 30#include "opt_ddb.h" 31 32#include <sys/param.h> 33#include <sys/conf.h> 34#include <sys/kernel.h> 35#include <sys/systm.h> 36#include <sys/bus.h> 37#include <sys/cons.h> 38#include <sys/kdb.h> 39#include <sys/reboot.h> 40 41#include <vm/vm.h> 42#include <vm/vm_page.h> 43 44#include <net/ethernet.h> 45 46#include <machine/clock.h> 47#include <machine/cpu.h> 48#include <machine/cpuregs.h> 49#include <machine/hwfunc.h> 50#include <machine/md_var.h> 51#include <machine/trap.h> 52#include <machine/vmparam.h> 53 54#include <mips/atheros/ar71xxreg.h> 55#include <mips/atheros/qca953xreg.h> 56 57#include <mips/atheros/ar71xx_cpudef.h> 58#include <mips/atheros/ar71xx_setup.h> 59 60#include <mips/atheros/ar71xx_chip.h> 61 62#include <mips/atheros/qca953x_chip.h> 63 64static void 65qca953x_chip_detect_mem_size(void) 66{ 67} 68 69static void 70qca953x_chip_detect_sys_frequency(void) 71{ 72 unsigned long ref_rate; 73 unsigned long cpu_rate; 74 unsigned long ddr_rate; 75 unsigned long ahb_rate; 76 uint32_t pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv; 77 uint32_t cpu_pll, ddr_pll; 78 uint32_t bootstrap; 79 80 bootstrap = ATH_READ_REG(QCA953X_RESET_REG_BOOTSTRAP); 81 if (bootstrap & QCA953X_BOOTSTRAP_REF_CLK_40) 82 ref_rate = 40 * 1000 * 1000; 83 else 84 ref_rate = 25 * 1000 * 1000; 85 86 pll = ATH_READ_REG(QCA953X_PLL_CPU_CONFIG_REG); 87 out_div = (pll >> QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & 88 QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK; 89 ref_div = (pll >> QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT) & 90 QCA953X_PLL_CPU_CONFIG_REFDIV_MASK; 91 nint = (pll >> QCA953X_PLL_CPU_CONFIG_NINT_SHIFT) & 92 QCA953X_PLL_CPU_CONFIG_NINT_MASK; 93 frac = (pll >> QCA953X_PLL_CPU_CONFIG_NFRAC_SHIFT) & 94 QCA953X_PLL_CPU_CONFIG_NFRAC_MASK; 95 96 cpu_pll = nint * ref_rate / ref_div; 97 cpu_pll += frac * (ref_rate >> 6) / ref_div; 98 cpu_pll /= (1 << out_div); 99 100 pll = ATH_READ_REG(QCA953X_PLL_DDR_CONFIG_REG); 101 out_div = (pll >> QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & 102 QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK; 103 ref_div = (pll >> QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT) & 104 QCA953X_PLL_DDR_CONFIG_REFDIV_MASK; 105 nint = (pll >> QCA953X_PLL_DDR_CONFIG_NINT_SHIFT) & 106 QCA953X_PLL_DDR_CONFIG_NINT_MASK; 107 frac = (pll >> QCA953X_PLL_DDR_CONFIG_NFRAC_SHIFT) & 108 QCA953X_PLL_DDR_CONFIG_NFRAC_MASK; 109 110 ddr_pll = nint * ref_rate / ref_div; 111 ddr_pll += frac * (ref_rate >> 6) / (ref_div << 4); 112 ddr_pll /= (1 << out_div); 113 114 clk_ctrl = ATH_READ_REG(QCA953X_PLL_CLK_CTRL_REG); 115 116 postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) & 117 QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK; 118 119 if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS) 120 cpu_rate = ref_rate; 121 else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL) 122 cpu_rate = cpu_pll / (postdiv + 1); 123 else 124 cpu_rate = ddr_pll / (postdiv + 1); 125 126 postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) & 127 QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK; 128 129 if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS) 130 ddr_rate = ref_rate; 131 else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL) 132 ddr_rate = ddr_pll / (postdiv + 1); 133 else 134 ddr_rate = cpu_pll / (postdiv + 1); 135 136 postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) & 137 QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK; 138 139 if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS) 140 ahb_rate = ref_rate; 141 else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL) 142 ahb_rate = ddr_pll / (postdiv + 1); 143 else 144 ahb_rate = cpu_pll / (postdiv + 1); 145 146 u_ar71xx_ddr_freq = ddr_rate; 147 u_ar71xx_cpu_freq = cpu_rate; 148 u_ar71xx_ahb_freq = ahb_rate; 149 150 u_ar71xx_wdt_freq = ref_rate; 151 u_ar71xx_uart_freq = ref_rate; 152 u_ar71xx_mdio_freq = ref_rate; 153 u_ar71xx_refclk = ref_rate; 154} 155 156static void 157qca953x_chip_device_stop(uint32_t mask) 158{ 159 uint32_t reg; 160 161 reg = ATH_READ_REG(QCA953X_RESET_REG_RESET_MODULE); 162 ATH_WRITE_REG(QCA953X_RESET_REG_RESET_MODULE, reg | mask); 163} 164 165static void 166qca953x_chip_device_start(uint32_t mask) 167{ 168 uint32_t reg; 169 170 reg = ATH_READ_REG(QCA953X_RESET_REG_RESET_MODULE); 171 ATH_WRITE_REG(QCA953X_RESET_REG_RESET_MODULE, reg & ~mask); 172} 173 174static int 175qca953x_chip_device_stopped(uint32_t mask) 176{ 177 uint32_t reg; 178 179 reg = ATH_READ_REG(QCA953X_RESET_REG_RESET_MODULE); 180 return ((reg & mask) == mask); 181} 182 183static void 184qca953x_chip_set_mii_speed(uint32_t unit, uint32_t speed) 185{ 186 187 /* XXX TODO */ 188 return; 189} 190 191static void 192qca953x_chip_set_pll_ge(int unit, int speed, uint32_t pll) 193{ 194 switch (unit) { 195 case 0: 196 ATH_WRITE_REG(QCA953X_PLL_ETH_XMII_CONTROL_REG, pll); 197 break; 198 case 1:
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199 ATH_WRITE_REG(QCA953X_PLL_ETH_SGMII_CONTROL_REG, pll);
| 199 /* nothing */
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200 break; 201 default: 202 printf("%s: invalid PLL set for arge unit: %d\n", 203 __func__, unit); 204 return; 205 } 206} 207 208static void 209qca953x_chip_ddr_flush(ar71xx_flush_ddr_id_t id) 210{ 211 212 switch (id) { 213 case AR71XX_CPU_DDR_FLUSH_GE0: 214 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_GE0); 215 break; 216 case AR71XX_CPU_DDR_FLUSH_GE1: 217 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_GE1); 218 break; 219 case AR71XX_CPU_DDR_FLUSH_USB: 220 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_USB); 221 break; 222 case AR71XX_CPU_DDR_FLUSH_PCIE: 223 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_PCIE); 224 break; 225 case AR71XX_CPU_DDR_FLUSH_WMAC: 226 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_WMAC); 227 break; 228 default: 229 printf("%s: invalid flush (%d)\n", __func__, id); 230 } 231} 232 233static uint32_t 234qca953x_chip_get_eth_pll(unsigned int mac, int speed) 235{ 236 uint32_t pll; 237 238 switch (speed) { 239 case 10: 240 pll = QCA953X_PLL_VAL_10; 241 break; 242 case 100: 243 pll = QCA953X_PLL_VAL_100; 244 break; 245 case 1000: 246 pll = QCA953X_PLL_VAL_1000; 247 break; 248 default: 249 printf("%s%d: invalid speed %d\n", __func__, mac, speed); 250 pll = 0; 251 } 252 return (pll); 253} 254 255static void 256qca953x_chip_reset_ethernet_switch(void) 257{ 258} 259 260static void 261qca953x_configure_gmac(uint32_t gmac_cfg) 262{ 263 uint32_t reg; 264 265 reg = ATH_READ_REG(QCA953X_GMAC_REG_ETH_CFG); 266 printf("%s: ETH_CFG=0x%08x\n", __func__, reg); 267 reg &= ~(QCA953X_ETH_CFG_SW_ONLY_MODE | 268 QCA953X_ETH_CFG_SW_PHY_SWAP | 269 QCA953X_ETH_CFG_SW_APB_ACCESS | 270 QCA953X_ETH_CFG_SW_ACC_MSB_FIRST); 271 272 reg |= gmac_cfg; 273 ATH_WRITE_REG(QCA953X_GMAC_REG_ETH_CFG, reg); 274} 275 276static void 277qca953x_chip_init_usb_peripheral(void) 278{ 279 uint32_t bootstrap; 280 281 bootstrap = ATH_READ_REG(QCA953X_RESET_REG_BOOTSTRAP); 282 283 ar71xx_device_stop(QCA953X_RESET_USBSUS_OVERRIDE); 284 DELAY(1000); 285 286 ar71xx_device_start(QCA953X_RESET_USB_PHY); 287 DELAY(1000); 288 289 ar71xx_device_start(QCA953X_RESET_USB_PHY_ANALOG); 290 DELAY(1000); 291 292 ar71xx_device_start(QCA953X_RESET_USB_HOST); 293 DELAY(1000); 294} 295 296static void 297qca953x_chip_set_mii_if(uint32_t unit, uint32_t mii_mode) 298{ 299 300 /* 301 * XXX ! 302 * 303 * Nothing to see here; although gmac0 can have its 304 * MII configuration changed, the register values 305 * are slightly different. 306 */ 307} 308 309/* 310 * XXX TODO: fetch default MII divider configuration 311 */ 312 313static void 314qca953x_chip_reset_wmac(void) 315{ 316 317 /* XXX TODO */ 318} 319 320static void 321qca953x_chip_init_gmac(void) 322{ 323 long gmac_cfg; 324 325 if (resource_long_value("qca953x_gmac", 0, "gmac_cfg", 326 &gmac_cfg) == 0) { 327 printf("%s: gmac_cfg=0x%08lx\n", 328 __func__, 329 (long) gmac_cfg); 330 qca953x_configure_gmac((uint32_t) gmac_cfg); 331 } 332} 333 334/* 335 * Reset the NAND Flash Controller. 336 * 337 * + active=1 means "make it active". 338 * + active=0 means "make it inactive". 339 */ 340static void 341qca953x_chip_reset_nfc(int active) 342{ 343} 344 345/* 346 * Configure the GPIO output mux setup. 347 * 348 * The QCA953x has an output mux which allowed 349 * certain functions to be configured on any pin. 350 * Specifically, the switch PHY link LEDs and 351 * WMAC external RX LNA switches are not limited to 352 * a specific GPIO pin. 353 */ 354static void 355qca953x_chip_gpio_output_configure(int gpio, uint8_t func) 356{ 357 uint32_t reg, s; 358 uint32_t t; 359 360 if (gpio > QCA953X_GPIO_COUNT) 361 return; 362 363 reg = QCA953X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4); 364 s = 8 * (gpio % 4); 365 366 /* read-modify-write */ 367 t = ATH_READ_REG(AR71XX_GPIO_BASE + reg); 368 t &= ~(0xff << s); 369 t |= func << s; 370 ATH_WRITE_REG(AR71XX_GPIO_BASE + reg, t); 371 372 /* flush write */ 373 ATH_READ_REG(AR71XX_GPIO_BASE + reg); 374} 375 376struct ar71xx_cpu_def qca953x_chip_def = { 377 &qca953x_chip_detect_mem_size, 378 &qca953x_chip_detect_sys_frequency, 379 &qca953x_chip_device_stop, 380 &qca953x_chip_device_start, 381 &qca953x_chip_device_stopped, 382 &qca953x_chip_set_pll_ge, 383 &qca953x_chip_set_mii_speed, 384 &qca953x_chip_set_mii_if, 385 &qca953x_chip_get_eth_pll, 386 &qca953x_chip_ddr_flush, 387 &qca953x_chip_init_usb_peripheral, 388 &qca953x_chip_reset_ethernet_switch, 389 &qca953x_chip_reset_wmac, 390 &qca953x_chip_init_gmac, 391 &qca953x_chip_reset_nfc, 392 &qca953x_chip_gpio_output_configure, 393};
| 200 break; 201 default: 202 printf("%s: invalid PLL set for arge unit: %d\n", 203 __func__, unit); 204 return; 205 } 206} 207 208static void 209qca953x_chip_ddr_flush(ar71xx_flush_ddr_id_t id) 210{ 211 212 switch (id) { 213 case AR71XX_CPU_DDR_FLUSH_GE0: 214 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_GE0); 215 break; 216 case AR71XX_CPU_DDR_FLUSH_GE1: 217 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_GE1); 218 break; 219 case AR71XX_CPU_DDR_FLUSH_USB: 220 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_USB); 221 break; 222 case AR71XX_CPU_DDR_FLUSH_PCIE: 223 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_PCIE); 224 break; 225 case AR71XX_CPU_DDR_FLUSH_WMAC: 226 ar71xx_ddr_flush(QCA953X_DDR_REG_FLUSH_WMAC); 227 break; 228 default: 229 printf("%s: invalid flush (%d)\n", __func__, id); 230 } 231} 232 233static uint32_t 234qca953x_chip_get_eth_pll(unsigned int mac, int speed) 235{ 236 uint32_t pll; 237 238 switch (speed) { 239 case 10: 240 pll = QCA953X_PLL_VAL_10; 241 break; 242 case 100: 243 pll = QCA953X_PLL_VAL_100; 244 break; 245 case 1000: 246 pll = QCA953X_PLL_VAL_1000; 247 break; 248 default: 249 printf("%s%d: invalid speed %d\n", __func__, mac, speed); 250 pll = 0; 251 } 252 return (pll); 253} 254 255static void 256qca953x_chip_reset_ethernet_switch(void) 257{ 258} 259 260static void 261qca953x_configure_gmac(uint32_t gmac_cfg) 262{ 263 uint32_t reg; 264 265 reg = ATH_READ_REG(QCA953X_GMAC_REG_ETH_CFG); 266 printf("%s: ETH_CFG=0x%08x\n", __func__, reg); 267 reg &= ~(QCA953X_ETH_CFG_SW_ONLY_MODE | 268 QCA953X_ETH_CFG_SW_PHY_SWAP | 269 QCA953X_ETH_CFG_SW_APB_ACCESS | 270 QCA953X_ETH_CFG_SW_ACC_MSB_FIRST); 271 272 reg |= gmac_cfg; 273 ATH_WRITE_REG(QCA953X_GMAC_REG_ETH_CFG, reg); 274} 275 276static void 277qca953x_chip_init_usb_peripheral(void) 278{ 279 uint32_t bootstrap; 280 281 bootstrap = ATH_READ_REG(QCA953X_RESET_REG_BOOTSTRAP); 282 283 ar71xx_device_stop(QCA953X_RESET_USBSUS_OVERRIDE); 284 DELAY(1000); 285 286 ar71xx_device_start(QCA953X_RESET_USB_PHY); 287 DELAY(1000); 288 289 ar71xx_device_start(QCA953X_RESET_USB_PHY_ANALOG); 290 DELAY(1000); 291 292 ar71xx_device_start(QCA953X_RESET_USB_HOST); 293 DELAY(1000); 294} 295 296static void 297qca953x_chip_set_mii_if(uint32_t unit, uint32_t mii_mode) 298{ 299 300 /* 301 * XXX ! 302 * 303 * Nothing to see here; although gmac0 can have its 304 * MII configuration changed, the register values 305 * are slightly different. 306 */ 307} 308 309/* 310 * XXX TODO: fetch default MII divider configuration 311 */ 312 313static void 314qca953x_chip_reset_wmac(void) 315{ 316 317 /* XXX TODO */ 318} 319 320static void 321qca953x_chip_init_gmac(void) 322{ 323 long gmac_cfg; 324 325 if (resource_long_value("qca953x_gmac", 0, "gmac_cfg", 326 &gmac_cfg) == 0) { 327 printf("%s: gmac_cfg=0x%08lx\n", 328 __func__, 329 (long) gmac_cfg); 330 qca953x_configure_gmac((uint32_t) gmac_cfg); 331 } 332} 333 334/* 335 * Reset the NAND Flash Controller. 336 * 337 * + active=1 means "make it active". 338 * + active=0 means "make it inactive". 339 */ 340static void 341qca953x_chip_reset_nfc(int active) 342{ 343} 344 345/* 346 * Configure the GPIO output mux setup. 347 * 348 * The QCA953x has an output mux which allowed 349 * certain functions to be configured on any pin. 350 * Specifically, the switch PHY link LEDs and 351 * WMAC external RX LNA switches are not limited to 352 * a specific GPIO pin. 353 */ 354static void 355qca953x_chip_gpio_output_configure(int gpio, uint8_t func) 356{ 357 uint32_t reg, s; 358 uint32_t t; 359 360 if (gpio > QCA953X_GPIO_COUNT) 361 return; 362 363 reg = QCA953X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4); 364 s = 8 * (gpio % 4); 365 366 /* read-modify-write */ 367 t = ATH_READ_REG(AR71XX_GPIO_BASE + reg); 368 t &= ~(0xff << s); 369 t |= func << s; 370 ATH_WRITE_REG(AR71XX_GPIO_BASE + reg, t); 371 372 /* flush write */ 373 ATH_READ_REG(AR71XX_GPIO_BASE + reg); 374} 375 376struct ar71xx_cpu_def qca953x_chip_def = { 377 &qca953x_chip_detect_mem_size, 378 &qca953x_chip_detect_sys_frequency, 379 &qca953x_chip_device_stop, 380 &qca953x_chip_device_start, 381 &qca953x_chip_device_stopped, 382 &qca953x_chip_set_pll_ge, 383 &qca953x_chip_set_mii_speed, 384 &qca953x_chip_set_mii_if, 385 &qca953x_chip_get_eth_pll, 386 &qca953x_chip_ddr_flush, 387 &qca953x_chip_init_usb_peripheral, 388 &qca953x_chip_reset_ethernet_switch, 389 &qca953x_chip_reset_wmac, 390 &qca953x_chip_init_gmac, 391 &qca953x_chip_reset_nfc, 392 &qca953x_chip_gpio_output_configure, 393};
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