3 * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/libfdt.h>
13 #include <fdt_support.h>
16 #include <fsl_esdhc.h>
18 #include <asm/fsl_serdes.h>
19 #include <asm/fsl_mpc83xx_serdes.h>
23 #include <gdsys_fpga.h>
25 #include "../common/adv7611.h"
26 #include "../common/ch7301.h"
27 #include "../common/dp501.h"
28 #include "../common/ioep-fpga.h"
29 #include "../common/mclink.h"
30 #include "../common/osd.h"
31 #include "../common/phy.h"
32 #include "../common/fanctrl.h"
39 #define MAX_MUX_CHANNELS 2
43 MCFPGA_INIT_N = 1 << 1,
44 MCFPGA_PROGRAM_N = 1 << 2,
45 MCFPGA_UPDATE_ENABLE_N = 1 << 3,
46 MCFPGA_RESET_N = 1 << 4,
54 unsigned int mclink_fpgacount;
55 struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
60 } strider_fans[] = CONFIG_STRIDER_FANS;
62 int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
71 res = mclink_send(fpga - 1, regoff, data);
73 printf("mclink_send reg %02lx data %04x returned %d\n",
83 int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
92 if (fpga > mclink_fpgacount)
94 res = mclink_receive(fpga - 1, regoff, data);
96 printf("mclink_receive reg %02lx returned %d\n",
107 char *s = env_get("serial#");
108 bool hw_type_cat = pca9698_get_value(0x20, 18);
112 printf("Strider %s", hw_type_cat ? "CAT" : "Fiber");
124 int last_stage_init(void)
129 unsigned char mclink_controllers_dvi[] = { 0x3c, 0x3d, 0x3e };
130 #ifdef CONFIG_STRIDER_CPU
131 unsigned char mclink_controllers_dp[] = { 0x24, 0x25, 0x26 };
133 bool hw_type_cat = pca9698_get_value(0x20, 18);
134 #ifdef CONFIG_STRIDER_CON_DP
135 bool is_dh = pca9698_get_value(0x20, 25);
137 bool ch0_sgmii2_present = false;
139 /* Turn on Analog Devices ADV7611 */
140 pca9698_direction_output(0x20, 8, 0);
142 /* Turn on Parade DP501 */
143 pca9698_direction_output(0x20, 10, 1);
144 pca9698_direction_output(0x20, 11, 1);
146 ch0_sgmii2_present = !pca9698_get_value(0x20, 37);
148 /* wait for FPGA done, then reset FPGA */
149 for (k = 0; k < ARRAY_SIZE(mclink_controllers_dvi); ++k) {
150 unsigned int ctr = 0;
151 unsigned char *mclink_controllers = mclink_controllers_dvi;
153 #ifdef CONFIG_STRIDER_CPU
154 if (i2c_probe(mclink_controllers[k])) {
155 mclink_controllers = mclink_controllers_dp;
156 if (i2c_probe(mclink_controllers[k]))
160 if (i2c_probe(mclink_controllers[k]))
163 while (!(pca953x_get_val(mclink_controllers[k])
167 printf("no done for mclink_controller %d\n", k);
172 pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0);
173 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0);
175 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N,
181 struct mii_dev *mdiodev = mdio_alloc();
184 strncpy(mdiodev->name, bb_miiphy_buses[0].name, MDIO_NAME_LEN);
185 mdiodev->read = bb_miiphy_read;
186 mdiodev->write = bb_miiphy_write;
188 retval = mdio_register(mdiodev);
191 for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
192 if ((mux_ch == 1) && !ch0_sgmii2_present)
195 setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
199 /* give slave-PLLs and Parade DP501 some time to be up and running */
202 mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
203 slaves = mclink_probe();
204 mclink_fpgacount = 0;
206 ioep_fpga_print_info(0);
208 if (!adv7611_probe(0))
209 printf(" Advantiv ADV7611 HDMI Receiver\n");
211 #ifdef CONFIG_STRIDER_CON
212 if (ioep_fpga_has_osd(0))
216 #ifdef CONFIG_STRIDER_CON_DP
217 if (ioep_fpga_has_osd(0)) {
224 #ifdef CONFIG_STRIDER_CPU
225 ch7301_probe(0, false);
226 dp501_probe(0, false);
232 mclink_fpgacount = slaves;
234 #ifdef CONFIG_STRIDER_CPU
235 /* get ADV7611 out of reset, power up DP501, give some time to wakeup */
236 for (k = 1; k <= slaves; ++k)
237 FPGA_SET_REG(k, extended_control, 0x10); /* enable video */
242 for (k = 1; k <= slaves; ++k) {
243 ioep_fpga_print_info(k);
244 #ifdef CONFIG_STRIDER_CON
245 if (ioep_fpga_has_osd(k))
248 #ifdef CONFIG_STRIDER_CON_DP
249 if (ioep_fpga_has_osd(k)) {
255 #ifdef CONFIG_STRIDER_CPU
256 if (!adv7611_probe(k))
257 printf(" Advantiv ADV7611 HDMI Receiver\n");
258 ch7301_probe(k, false);
259 dp501_probe(k, false);
263 struct mii_dev *mdiodev = mdio_alloc();
266 strncpy(mdiodev->name, bb_miiphy_buses[k].name,
268 mdiodev->read = bb_miiphy_read;
269 mdiodev->write = bb_miiphy_write;
271 retval = mdio_register(mdiodev);
274 setup_88e1514(bb_miiphy_buses[k].name, 0);
278 for (k = 0; k < ARRAY_SIZE(strider_fans); ++k) {
279 i2c_set_bus_num(strider_fans[k].bus);
280 init_fan_controller(strider_fans[k].addr);
287 * provide access to fpga gpios (for I2C bitbang)
288 * (these may look all too simple but make iocon.h much more readable)
290 void fpga_gpio_set(unsigned int bus, int pin)
292 FPGA_SET_REG(bus, gpio.set, pin);
295 void fpga_gpio_clear(unsigned int bus, int pin)
297 FPGA_SET_REG(bus, gpio.clear, pin);
300 int fpga_gpio_get(unsigned int bus, int pin)
304 FPGA_GET_REG(bus, gpio.read, &val);
309 #ifdef CONFIG_STRIDER_CON_DP
310 void fpga_control_set(unsigned int bus, int pin)
314 FPGA_GET_REG(bus, control, &val);
315 FPGA_SET_REG(bus, control, val | pin);
318 void fpga_control_clear(unsigned int bus, int pin)
322 FPGA_GET_REG(bus, control, &val);
323 FPGA_SET_REG(bus, control, val & ~pin);
327 void mpc8308_init(void)
329 pca9698_direction_output(0x20, 26, 1);
332 void mpc8308_set_fpga_reset(unsigned state)
334 pca9698_set_value(0x20, 26, state ? 0 : 1);
337 void mpc8308_setup_hw(void)
339 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
342 * set "startup-finished"-gpios
344 setbits_be32(&immr->gpio[0].dir, (1 << (31-11)) | (1 << (31-12)));
345 setbits_be32(&immr->gpio[0].dat, 1 << (31-12));
348 int mpc8308_get_fpga_done(unsigned fpga)
350 return pca9698_get_value(0x20, 20);
353 #ifdef CONFIG_FSL_ESDHC
354 int board_mmc_init(bd_t *bd)
356 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
357 sysconf83xx_t *sysconf = &immr->sysconf;
359 /* Enable cache snooping in eSDHC system configuration register */
360 out_be32(&sysconf->sdhccr, 0x02000000);
362 return fsl_esdhc_mmc_init(bd);
366 static struct pci_region pcie_regions_0[] = {
368 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
369 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
370 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
371 .flags = PCI_REGION_MEM,
374 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
375 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
376 .size = CONFIG_SYS_PCIE1_IO_SIZE,
377 .flags = PCI_REGION_IO,
381 void pci_init_board(void)
383 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
384 sysconf83xx_t *sysconf = &immr->sysconf;
385 law83xx_t *pcie_law = sysconf->pcielaw;
386 struct pci_region *pcie_reg[] = { pcie_regions_0 };
388 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
389 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
391 /* Deassert the resets in the control register */
392 out_be32(&sysconf->pecr1, 0xE0008000);
395 /* Configure PCI Express Local Access Windows */
396 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
397 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
399 mpc83xx_pcie_init(1, pcie_reg);
402 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
404 info->portwidth = FLASH_CFI_16BIT;
405 info->chipwidth = FLASH_CFI_BY16;
406 info->interface = FLASH_CFI_X16;
410 #if defined(CONFIG_OF_BOARD_SETUP)
411 int ft_board_setup(void *blob, bd_t *bd)
413 ft_cpu_setup(blob, bd);
414 fsl_fdt_fixup_dr_usb(blob, bd);
415 fdt_fixup_esdhc(blob, bd);
422 * FPGA MII bitbang implementation
435 static int mii_dummy_init(struct bb_miiphy_bus *bus)
440 static int mii_mdio_active(struct bb_miiphy_bus *bus)
442 struct fpga_mii *fpga_mii = bus->priv;
445 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
447 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
452 static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
454 struct fpga_mii *fpga_mii = bus->priv;
456 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
461 static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
463 struct fpga_mii *fpga_mii = bus->priv;
466 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
468 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
475 static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
478 struct fpga_mii *fpga_mii = bus->priv;
480 FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
482 *v = ((gpio & GPIO_MDIO) != 0);
487 static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
489 struct fpga_mii *fpga_mii = bus->priv;
492 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
494 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
499 static int mii_delay(struct bb_miiphy_bus *bus)
506 struct bb_miiphy_bus bb_miiphy_buses[] = {
509 .init = mii_dummy_init,
510 .mdio_active = mii_mdio_active,
511 .mdio_tristate = mii_mdio_tristate,
512 .set_mdio = mii_set_mdio,
513 .get_mdio = mii_get_mdio,
514 .set_mdc = mii_set_mdc,
516 .priv = &fpga_mii[0],
520 .init = mii_dummy_init,
521 .mdio_active = mii_mdio_active,
522 .mdio_tristate = mii_mdio_tristate,
523 .set_mdio = mii_set_mdio,
524 .get_mdio = mii_get_mdio,
525 .set_mdc = mii_set_mdc,
527 .priv = &fpga_mii[1],
531 .init = mii_dummy_init,
532 .mdio_active = mii_mdio_active,
533 .mdio_tristate = mii_mdio_tristate,
534 .set_mdio = mii_set_mdio,
535 .get_mdio = mii_get_mdio,
536 .set_mdc = mii_set_mdc,
538 .priv = &fpga_mii[2],
542 .init = mii_dummy_init,
543 .mdio_active = mii_mdio_active,
544 .mdio_tristate = mii_mdio_tristate,
545 .set_mdio = mii_set_mdio,
546 .get_mdio = mii_get_mdio,
547 .set_mdc = mii_set_mdc,
549 .priv = &fpga_mii[3],
553 int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
554 sizeof(bb_miiphy_buses[0]);