1 // SPDX-License-Identifier: GPL-2.0+
4 * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
13 #include <linux/libfdt.h>
14 #include <fdt_support.h>
17 #include <fsl_esdhc.h>
19 #include <asm/fsl_serdes.h>
20 #include <asm/fsl_mpc83xx_serdes.h>
24 #include <gdsys_fpga.h>
26 #include "../common/ioep-fpga.h"
27 #include "../common/osd.h"
28 #include "../common/mclink.h"
29 #include "../common/phy.h"
30 #include "../common/fanctrl.h"
37 #define MAX_MUX_CHANNELS 2
41 MCFPGA_INIT_N = BIT(1),
42 MCFPGA_PROGRAM_N = BIT(2),
43 MCFPGA_UPDATE_ENABLE_N = BIT(3),
44 MCFPGA_RESET_N = BIT(4),
52 uint mclink_fpgacount;
53 struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
58 } hrcon_fans[] = CONFIG_HRCON_FANS;
60 int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
69 res = mclink_send(fpga - 1, regoff, data);
71 printf("mclink_send reg %02lx data %04x returned %d\n",
81 int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
90 if (fpga > mclink_fpgacount)
92 res = mclink_receive(fpga - 1, regoff, data);
94 printf("mclink_receive reg %02lx returned %d\n",
105 char *s = env_get("serial#");
106 bool hw_type_cat = pca9698_get_value(0x20, 20);
110 printf("HRCon %s", hw_type_cat ? "CAT" : "Fiber");
122 int last_stage_init(void)
126 uchar mclink_controllers[] = { 0x3c, 0x3d, 0x3e };
128 bool hw_type_cat = pca9698_get_value(0x20, 20);
129 bool ch0_rgmii2_present;
131 FPGA_GET_REG(0, fpga_features, &fpga_features);
133 /* Turn on Parade DP501 */
134 pca9698_direction_output(0x20, 10, 1);
135 pca9698_direction_output(0x20, 11, 1);
137 ch0_rgmii2_present = !pca9698_get_value(0x20, 30);
139 /* wait for FPGA done, then reset FPGA */
140 for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) {
143 if (i2c_probe(mclink_controllers[k]))
146 while (!(pca953x_get_val(mclink_controllers[k])
150 printf("no done for mclink_controller %u\n", k);
155 pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0);
156 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0);
158 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N,
165 struct mii_dev *mdiodev = mdio_alloc();
169 strncpy(mdiodev->name, bb_miiphy_buses[0].name, MDIO_NAME_LEN);
170 mdiodev->read = bb_miiphy_read;
171 mdiodev->write = bb_miiphy_write;
173 retval = mdio_register(mdiodev);
176 for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
177 if ((mux_ch == 1) && !ch0_rgmii2_present)
180 setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
184 /* give slave-PLLs and Parade DP501 some time to be up and running */
187 mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
188 slaves = mclink_probe();
189 mclink_fpgacount = 0;
191 ioep_fpga_print_info(0);
193 #ifdef CONFIG_SYS_OSD_DH
200 mclink_fpgacount = slaves;
202 for (k = 1; k <= slaves; ++k) {
203 FPGA_GET_REG(k, fpga_features, &fpga_features);
205 ioep_fpga_print_info(k);
207 #ifdef CONFIG_SYS_OSD_DH
212 struct mii_dev *mdiodev = mdio_alloc();
216 strncpy(mdiodev->name, bb_miiphy_buses[k].name,
218 mdiodev->read = bb_miiphy_read;
219 mdiodev->write = bb_miiphy_write;
221 retval = mdio_register(mdiodev);
224 setup_88e1514(bb_miiphy_buses[k].name, 0);
228 for (k = 0; k < ARRAY_SIZE(hrcon_fans); ++k) {
229 i2c_set_bus_num(hrcon_fans[k].bus);
230 init_fan_controller(hrcon_fans[k].addr);
237 * provide access to fpga gpios and controls (for I2C bitbang)
238 * (these may look all too simple but make iocon.h much more readable)
240 void fpga_gpio_set(uint bus, int pin)
242 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, gpio.set, pin);
245 void fpga_gpio_clear(uint bus, int pin)
247 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, gpio.clear, pin);
250 int fpga_gpio_get(uint bus, int pin)
254 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, gpio.read, &val);
259 void fpga_control_set(uint bus, int pin)
263 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, control, &val);
264 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, control, val | pin);
267 void fpga_control_clear(uint bus, int pin)
271 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, control, &val);
272 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, control, val & ~pin);
275 void mpc8308_init(void)
277 pca9698_direction_output(0x20, 4, 1);
280 void mpc8308_set_fpga_reset(uint state)
282 pca9698_set_value(0x20, 4, state ? 0 : 1);
285 void mpc8308_setup_hw(void)
287 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
290 * set "startup-finished"-gpios
292 setbits_be32(&immr->gpio[0].dir, BIT(31 - 11) | BIT(31 - 12));
293 setbits_gpio0_out(BIT(31 - 12));
296 int mpc8308_get_fpga_done(uint fpga)
298 return pca9698_get_value(0x20, 19);
301 #ifdef CONFIG_FSL_ESDHC
302 int board_mmc_init(bd_t *bd)
304 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
305 sysconf83xx_t *sysconf = &immr->sysconf;
307 /* Enable cache snooping in eSDHC system configuration register */
308 out_be32(&sysconf->sdhccr, 0x02000000);
310 return fsl_esdhc_mmc_init(bd);
314 static struct pci_region pcie_regions_0[] = {
316 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
317 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
318 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
319 .flags = PCI_REGION_MEM,
322 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
323 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
324 .size = CONFIG_SYS_PCIE1_IO_SIZE,
325 .flags = PCI_REGION_IO,
329 void pci_init_board(void)
331 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
332 sysconf83xx_t *sysconf = &immr->sysconf;
333 law83xx_t *pcie_law = sysconf->pcielaw;
334 struct pci_region *pcie_reg[] = { pcie_regions_0 };
336 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
337 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
339 /* Deassert the resets in the control register */
340 out_be32(&sysconf->pecr1, 0xE0008000);
343 /* Configure PCI Express Local Access Windows */
344 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
345 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
347 mpc83xx_pcie_init(1, pcie_reg);
350 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
352 info->portwidth = FLASH_CFI_16BIT;
353 info->chipwidth = FLASH_CFI_BY16;
354 info->interface = FLASH_CFI_X16;
358 #if defined(CONFIG_OF_BOARD_SETUP)
359 int ft_board_setup(void *blob, bd_t *bd)
361 ft_cpu_setup(blob, bd);
362 fsl_fdt_fixup_dr_usb(blob, bd);
363 fdt_fixup_esdhc(blob, bd);
370 * FPGA MII bitbang implementation
383 static int mii_dummy_init(struct bb_miiphy_bus *bus)
388 static int mii_mdio_active(struct bb_miiphy_bus *bus)
390 struct fpga_mii *fpga_mii = bus->priv;
393 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
395 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
400 static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
402 struct fpga_mii *fpga_mii = bus->priv;
404 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
409 static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
411 struct fpga_mii *fpga_mii = bus->priv;
414 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
416 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
423 static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
426 struct fpga_mii *fpga_mii = bus->priv;
428 FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
430 *v = ((gpio & GPIO_MDIO) != 0);
435 static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
437 struct fpga_mii *fpga_mii = bus->priv;
440 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
442 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
447 static int mii_delay(struct bb_miiphy_bus *bus)
454 struct bb_miiphy_bus bb_miiphy_buses[] = {
457 .init = mii_dummy_init,
458 .mdio_active = mii_mdio_active,
459 .mdio_tristate = mii_mdio_tristate,
460 .set_mdio = mii_set_mdio,
461 .get_mdio = mii_get_mdio,
462 .set_mdc = mii_set_mdc,
464 .priv = &fpga_mii[0],
468 .init = mii_dummy_init,
469 .mdio_active = mii_mdio_active,
470 .mdio_tristate = mii_mdio_tristate,
471 .set_mdio = mii_set_mdio,
472 .get_mdio = mii_get_mdio,
473 .set_mdc = mii_set_mdc,
475 .priv = &fpga_mii[1],
479 .init = mii_dummy_init,
480 .mdio_active = mii_mdio_active,
481 .mdio_tristate = mii_mdio_tristate,
482 .set_mdio = mii_set_mdio,
483 .get_mdio = mii_get_mdio,
484 .set_mdc = mii_set_mdc,
486 .priv = &fpga_mii[2],
490 .init = mii_dummy_init,
491 .mdio_active = mii_mdio_active,
492 .mdio_tristate = mii_mdio_tristate,
493 .set_mdio = mii_set_mdio,
494 .get_mdio = mii_get_mdio,
495 .set_mdc = mii_set_mdc,
497 .priv = &fpga_mii[3],
501 int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses);