1 // SPDX-License-Identifier: GPL-2.0+
14 #include <linux/libfdt.h>
15 #include <fdt_support.h>
18 #include <fsl_esdhc.h>
20 #include <asm/fsl_serdes.h>
21 #include <asm/fsl_mpc83xx_serdes.h>
25 #include <gdsys_fpga.h>
27 #include "../common/adv7611.h"
28 #include "../common/ch7301.h"
29 #include "../common/dp501.h"
30 #include "../common/ioep-fpga.h"
31 #include "../common/mclink.h"
32 #include "../common/osd.h"
33 #include "../common/phy.h"
34 #include "../common/fanctrl.h"
41 #define MAX_MUX_CHANNELS 2
45 MCFPGA_INIT_N = 1 << 1,
46 MCFPGA_PROGRAM_N = 1 << 2,
47 MCFPGA_UPDATE_ENABLE_N = 1 << 3,
48 MCFPGA_RESET_N = 1 << 4,
56 uint mclink_fpgacount;
57 struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
62 } strider_fans[] = CONFIG_STRIDER_FANS;
64 int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
73 res = mclink_send(fpga - 1, regoff, data);
75 printf("mclink_send reg %02lx data %04x returned %d\n",
85 int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
94 if (fpga > mclink_fpgacount)
96 res = mclink_receive(fpga - 1, regoff, data);
98 printf("mclink_receive reg %02lx returned %d\n",
109 char *s = env_get("serial#");
110 bool hw_type_cat = pca9698_get_value(0x20, 18);
114 printf("Strider %s", hw_type_cat ? "CAT" : "Fiber");
126 int last_stage_init(void)
131 uchar mclink_controllers_dvi[] = { 0x3c, 0x3d, 0x3e };
132 #ifdef CONFIG_STRIDER_CPU
133 uchar mclink_controllers_dp[] = { 0x24, 0x25, 0x26 };
135 bool hw_type_cat = pca9698_get_value(0x20, 18);
136 #ifdef CONFIG_STRIDER_CON_DP
137 bool is_dh = pca9698_get_value(0x20, 25);
139 bool ch0_sgmii2_present;
141 /* Turn on Analog Devices ADV7611 */
142 pca9698_direction_output(0x20, 8, 0);
144 /* Turn on Parade DP501 */
145 pca9698_direction_output(0x20, 10, 1);
146 pca9698_direction_output(0x20, 11, 1);
148 ch0_sgmii2_present = !pca9698_get_value(0x20, 37);
150 /* wait for FPGA done, then reset FPGA */
151 for (k = 0; k < ARRAY_SIZE(mclink_controllers_dvi); ++k) {
153 uchar *mclink_controllers = mclink_controllers_dvi;
155 #ifdef CONFIG_STRIDER_CPU
156 if (i2c_probe(mclink_controllers[k])) {
157 mclink_controllers = mclink_controllers_dp;
158 if (i2c_probe(mclink_controllers[k]))
162 if (i2c_probe(mclink_controllers[k]))
165 while (!(pca953x_get_val(mclink_controllers[k])
169 printf("no done for mclink_controller %d\n", k);
174 pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0);
175 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0);
177 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N,
183 struct mii_dev *mdiodev = mdio_alloc();
187 strncpy(mdiodev->name, bb_miiphy_buses[0].name, MDIO_NAME_LEN);
188 mdiodev->read = bb_miiphy_read;
189 mdiodev->write = bb_miiphy_write;
191 retval = mdio_register(mdiodev);
194 for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
195 if ((mux_ch == 1) && !ch0_sgmii2_present)
198 setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
202 /* give slave-PLLs and Parade DP501 some time to be up and running */
205 mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
206 slaves = mclink_probe();
207 mclink_fpgacount = 0;
209 ioep_fpga_print_info(0);
211 if (!adv7611_probe(0))
212 printf(" Advantiv ADV7611 HDMI Receiver\n");
214 #ifdef CONFIG_STRIDER_CON
215 if (ioep_fpga_has_osd(0))
219 #ifdef CONFIG_STRIDER_CON_DP
220 if (ioep_fpga_has_osd(0)) {
227 #ifdef CONFIG_STRIDER_CPU
228 ch7301_probe(0, false);
229 dp501_probe(0, false);
235 mclink_fpgacount = slaves;
237 #ifdef CONFIG_STRIDER_CPU
238 /* get ADV7611 out of reset, power up DP501, give some time to wakeup */
239 for (k = 1; k <= slaves; ++k)
240 FPGA_SET_REG(k, extended_control, 0x10); /* enable video */
245 for (k = 1; k <= slaves; ++k) {
246 ioep_fpga_print_info(k);
247 #ifdef CONFIG_STRIDER_CON
248 if (ioep_fpga_has_osd(k))
251 #ifdef CONFIG_STRIDER_CON_DP
252 if (ioep_fpga_has_osd(k)) {
258 #ifdef CONFIG_STRIDER_CPU
259 if (!adv7611_probe(k))
260 printf(" Advantiv ADV7611 HDMI Receiver\n");
261 ch7301_probe(k, false);
262 dp501_probe(k, false);
266 struct mii_dev *mdiodev = mdio_alloc();
270 strncpy(mdiodev->name, bb_miiphy_buses[k].name,
272 mdiodev->read = bb_miiphy_read;
273 mdiodev->write = bb_miiphy_write;
275 retval = mdio_register(mdiodev);
278 setup_88e1514(bb_miiphy_buses[k].name, 0);
282 for (k = 0; k < ARRAY_SIZE(strider_fans); ++k) {
283 i2c_set_bus_num(strider_fans[k].bus);
284 init_fan_controller(strider_fans[k].addr);
291 * provide access to fpga gpios (for I2C bitbang)
292 * (these may look all too simple but make iocon.h much more readable)
294 void fpga_gpio_set(uint bus, int pin)
296 FPGA_SET_REG(bus, gpio.set, pin);
299 void fpga_gpio_clear(uint bus, int pin)
301 FPGA_SET_REG(bus, gpio.clear, pin);
304 int fpga_gpio_get(uint bus, int pin)
308 FPGA_GET_REG(bus, gpio.read, &val);
313 #ifdef CONFIG_STRIDER_CON_DP
314 void fpga_control_set(uint bus, int pin)
318 FPGA_GET_REG(bus, control, &val);
319 FPGA_SET_REG(bus, control, val | pin);
322 void fpga_control_clear(uint bus, int pin)
326 FPGA_GET_REG(bus, control, &val);
327 FPGA_SET_REG(bus, control, val & ~pin);
331 void mpc8308_init(void)
333 pca9698_direction_output(0x20, 26, 1);
336 void mpc8308_set_fpga_reset(uint state)
338 pca9698_set_value(0x20, 26, state ? 0 : 1);
341 void mpc8308_setup_hw(void)
343 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
346 * set "startup-finished"-gpios
348 setbits_be32(&immr->gpio[0].dir, BIT(31 - 11) | BIT(31 - 12));
349 setbits_gpio0_out(BIT(31 - 12));
352 int mpc8308_get_fpga_done(uint fpga)
354 return pca9698_get_value(0x20, 20);
357 #ifdef CONFIG_FSL_ESDHC
358 int board_mmc_init(bd_t *bd)
360 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
361 sysconf83xx_t *sysconf = &immr->sysconf;
363 /* Enable cache snooping in eSDHC system configuration register */
364 out_be32(&sysconf->sdhccr, 0x02000000);
366 return fsl_esdhc_mmc_init(bd);
370 static struct pci_region pcie_regions_0[] = {
372 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
373 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
374 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
375 .flags = PCI_REGION_MEM,
378 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
379 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
380 .size = CONFIG_SYS_PCIE1_IO_SIZE,
381 .flags = PCI_REGION_IO,
385 void pci_init_board(void)
387 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
388 sysconf83xx_t *sysconf = &immr->sysconf;
389 law83xx_t *pcie_law = sysconf->pcielaw;
390 struct pci_region *pcie_reg[] = { pcie_regions_0 };
392 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
393 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
395 /* Deassert the resets in the control register */
396 out_be32(&sysconf->pecr1, 0xE0008000);
399 /* Configure PCI Express Local Access Windows */
400 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
401 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
403 mpc83xx_pcie_init(1, pcie_reg);
406 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
408 info->portwidth = FLASH_CFI_16BIT;
409 info->chipwidth = FLASH_CFI_BY16;
410 info->interface = FLASH_CFI_X16;
414 #if defined(CONFIG_OF_BOARD_SETUP)
415 int ft_board_setup(void *blob, bd_t *bd)
417 ft_cpu_setup(blob, bd);
418 fsl_fdt_fixup_dr_usb(blob, bd);
419 fdt_fixup_esdhc(blob, bd);
426 * FPGA MII bitbang implementation
439 static int mii_dummy_init(struct bb_miiphy_bus *bus)
444 static int mii_mdio_active(struct bb_miiphy_bus *bus)
446 struct fpga_mii *fpga_mii = bus->priv;
449 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
451 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
456 static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
458 struct fpga_mii *fpga_mii = bus->priv;
460 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
465 static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
467 struct fpga_mii *fpga_mii = bus->priv;
470 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
472 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
479 static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
482 struct fpga_mii *fpga_mii = bus->priv;
484 FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
486 *v = ((gpio & GPIO_MDIO) != 0);
491 static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
493 struct fpga_mii *fpga_mii = bus->priv;
496 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
498 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
503 static int mii_delay(struct bb_miiphy_bus *bus)
510 struct bb_miiphy_bus bb_miiphy_buses[] = {
513 .init = mii_dummy_init,
514 .mdio_active = mii_mdio_active,
515 .mdio_tristate = mii_mdio_tristate,
516 .set_mdio = mii_set_mdio,
517 .get_mdio = mii_get_mdio,
518 .set_mdc = mii_set_mdc,
520 .priv = &fpga_mii[0],
524 .init = mii_dummy_init,
525 .mdio_active = mii_mdio_active,
526 .mdio_tristate = mii_mdio_tristate,
527 .set_mdio = mii_set_mdio,
528 .get_mdio = mii_get_mdio,
529 .set_mdc = mii_set_mdc,
531 .priv = &fpga_mii[1],
535 .init = mii_dummy_init,
536 .mdio_active = mii_mdio_active,
537 .mdio_tristate = mii_mdio_tristate,
538 .set_mdio = mii_set_mdio,
539 .get_mdio = mii_get_mdio,
540 .set_mdc = mii_set_mdc,
542 .priv = &fpga_mii[2],
546 .init = mii_dummy_init,
547 .mdio_active = mii_mdio_active,
548 .mdio_tristate = mii_mdio_tristate,
549 .set_mdio = mii_set_mdio,
550 .get_mdio = mii_get_mdio,
551 .set_mdc = mii_set_mdc,
553 .priv = &fpga_mii[3],
557 int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses);