1 // SPDX-License-Identifier: GPL-2.0+
4 * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
14 #include <linux/delay.h>
15 #include <linux/libfdt.h>
16 #include <fdt_support.h>
19 #include <fsl_esdhc.h>
21 #include <asm/fsl_serdes.h>
22 #include <asm/fsl_mpc83xx_serdes.h>
26 #include <gdsys_fpga.h>
28 #include "../common/ioep-fpga.h"
29 #include "../common/osd.h"
30 #include "../common/mclink.h"
31 #include "../common/phy.h"
32 #include "../common/fanctrl.h"
39 #define MAX_MUX_CHANNELS 2
43 MCFPGA_INIT_N = BIT(1),
44 MCFPGA_PROGRAM_N = BIT(2),
45 MCFPGA_UPDATE_ENABLE_N = BIT(3),
46 MCFPGA_RESET_N = BIT(4),
54 uint mclink_fpgacount;
55 struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
60 } hrcon_fans[] = CONFIG_HRCON_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, 20);
112 printf("HRCon %s", hw_type_cat ? "CAT" : "Fiber");
124 int last_stage_init(void)
128 uchar mclink_controllers[] = { 0x3c, 0x3d, 0x3e };
130 bool hw_type_cat = pca9698_get_value(0x20, 20);
131 bool ch0_rgmii2_present;
133 FPGA_GET_REG(0, fpga_features, &fpga_features);
135 /* Turn on Parade DP501 */
136 pca9698_direction_output(0x20, 10, 1);
137 pca9698_direction_output(0x20, 11, 1);
139 ch0_rgmii2_present = !pca9698_get_value(0x20, 30);
141 /* wait for FPGA done, then reset FPGA */
142 for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) {
145 if (i2c_probe(mclink_controllers[k]))
148 while (!(pca953x_get_val(mclink_controllers[k])
152 printf("no done for mclink_controller %u\n", k);
157 pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0);
158 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0);
160 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N,
167 struct mii_dev *mdiodev = mdio_alloc();
171 strncpy(mdiodev->name, bb_miiphy_buses[0].name, MDIO_NAME_LEN);
172 mdiodev->read = bb_miiphy_read;
173 mdiodev->write = bb_miiphy_write;
175 retval = mdio_register(mdiodev);
178 for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
179 if ((mux_ch == 1) && !ch0_rgmii2_present)
182 setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
186 /* give slave-PLLs and Parade DP501 some time to be up and running */
189 mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
190 slaves = mclink_probe();
191 mclink_fpgacount = 0;
193 ioep_fpga_print_info(0);
195 #ifdef CONFIG_SYS_OSD_DH
202 mclink_fpgacount = slaves;
204 for (k = 1; k <= slaves; ++k) {
205 FPGA_GET_REG(k, fpga_features, &fpga_features);
207 ioep_fpga_print_info(k);
209 #ifdef CONFIG_SYS_OSD_DH
214 struct mii_dev *mdiodev = mdio_alloc();
218 strncpy(mdiodev->name, bb_miiphy_buses[k].name,
220 mdiodev->read = bb_miiphy_read;
221 mdiodev->write = bb_miiphy_write;
223 retval = mdio_register(mdiodev);
226 setup_88e1514(bb_miiphy_buses[k].name, 0);
230 for (k = 0; k < ARRAY_SIZE(hrcon_fans); ++k) {
231 i2c_set_bus_num(hrcon_fans[k].bus);
232 init_fan_controller(hrcon_fans[k].addr);
239 * provide access to fpga gpios and controls (for I2C bitbang)
240 * (these may look all too simple but make iocon.h much more readable)
242 void fpga_gpio_set(uint bus, int pin)
244 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, gpio.set, pin);
247 void fpga_gpio_clear(uint bus, int pin)
249 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, gpio.clear, pin);
252 int fpga_gpio_get(uint bus, int pin)
256 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, gpio.read, &val);
261 void fpga_control_set(uint bus, int pin)
265 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, control, &val);
266 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, control, val | pin);
269 void fpga_control_clear(uint bus, int pin)
273 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, control, &val);
274 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, control, val & ~pin);
277 void mpc8308_init(void)
279 pca9698_direction_output(0x20, 4, 1);
282 void mpc8308_set_fpga_reset(uint state)
284 pca9698_set_value(0x20, 4, state ? 0 : 1);
287 void mpc8308_setup_hw(void)
289 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
292 * set "startup-finished"-gpios
294 setbits_be32(&immr->gpio[0].dir, BIT(31 - 11) | BIT(31 - 12));
295 setbits_gpio0_out(BIT(31 - 12));
298 int mpc8308_get_fpga_done(uint fpga)
300 return pca9698_get_value(0x20, 19);
303 #ifdef CONFIG_FSL_ESDHC
304 int board_mmc_init(bd_t *bd)
306 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
307 sysconf83xx_t *sysconf = &immr->sysconf;
309 /* Enable cache snooping in eSDHC system configuration register */
310 out_be32(&sysconf->sdhccr, 0x02000000);
312 return fsl_esdhc_mmc_init(bd);
316 static struct pci_region pcie_regions_0[] = {
318 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
319 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
320 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
321 .flags = PCI_REGION_MEM,
324 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
325 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
326 .size = CONFIG_SYS_PCIE1_IO_SIZE,
327 .flags = PCI_REGION_IO,
331 void pci_init_board(void)
333 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
334 sysconf83xx_t *sysconf = &immr->sysconf;
335 law83xx_t *pcie_law = sysconf->pcielaw;
336 struct pci_region *pcie_reg[] = { pcie_regions_0 };
338 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
339 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
341 /* Deassert the resets in the control register */
342 out_be32(&sysconf->pecr1, 0xE0008000);
345 /* Configure PCI Express Local Access Windows */
346 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
347 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
349 mpc83xx_pcie_init(1, pcie_reg);
352 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
354 info->portwidth = FLASH_CFI_16BIT;
355 info->chipwidth = FLASH_CFI_BY16;
356 info->interface = FLASH_CFI_X16;
360 #if defined(CONFIG_OF_BOARD_SETUP)
361 int ft_board_setup(void *blob, bd_t *bd)
363 ft_cpu_setup(blob, bd);
364 fsl_fdt_fixup_dr_usb(blob, bd);
365 fdt_fixup_esdhc(blob, bd);
372 * FPGA MII bitbang implementation
385 static int mii_dummy_init(struct bb_miiphy_bus *bus)
390 static int mii_mdio_active(struct bb_miiphy_bus *bus)
392 struct fpga_mii *fpga_mii = bus->priv;
395 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
397 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
402 static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
404 struct fpga_mii *fpga_mii = bus->priv;
406 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
411 static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
413 struct fpga_mii *fpga_mii = bus->priv;
416 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
418 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
425 static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
428 struct fpga_mii *fpga_mii = bus->priv;
430 FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
432 *v = ((gpio & GPIO_MDIO) != 0);
437 static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
439 struct fpga_mii *fpga_mii = bus->priv;
442 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
444 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
449 static int mii_delay(struct bb_miiphy_bus *bus)
456 struct bb_miiphy_bus bb_miiphy_buses[] = {
459 .init = mii_dummy_init,
460 .mdio_active = mii_mdio_active,
461 .mdio_tristate = mii_mdio_tristate,
462 .set_mdio = mii_set_mdio,
463 .get_mdio = mii_get_mdio,
464 .set_mdc = mii_set_mdc,
466 .priv = &fpga_mii[0],
470 .init = mii_dummy_init,
471 .mdio_active = mii_mdio_active,
472 .mdio_tristate = mii_mdio_tristate,
473 .set_mdio = mii_set_mdio,
474 .get_mdio = mii_get_mdio,
475 .set_mdc = mii_set_mdc,
477 .priv = &fpga_mii[1],
481 .init = mii_dummy_init,
482 .mdio_active = mii_mdio_active,
483 .mdio_tristate = mii_mdio_tristate,
484 .set_mdio = mii_set_mdio,
485 .get_mdio = mii_get_mdio,
486 .set_mdc = mii_set_mdc,
488 .priv = &fpga_mii[2],
492 .init = mii_dummy_init,
493 .mdio_active = mii_mdio_active,
494 .mdio_tristate = mii_mdio_tristate,
495 .set_mdio = mii_set_mdio,
496 .get_mdio = mii_get_mdio,
497 .set_mdc = mii_set_mdc,
499 .priv = &fpga_mii[3],
503 int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses);