3 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
5 * SPDX-License-Identifier: GPL-2.0+
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/ioep-fpga.h"
26 #include "../common/osd.h"
27 #include "../common/mclink.h"
28 #include "../common/phy.h"
35 DECLARE_GLOBAL_DATA_PTR;
37 #define MAX_MUX_CHANNELS 2
41 MCFPGA_INIT_N = 1 << 1,
42 MCFPGA_PROGRAM_N = 1 << 2,
43 MCFPGA_UPDATE_ENABLE_N = 1 << 3,
44 MCFPGA_RESET_N = 1 << 4,
52 unsigned int mclink_fpgacount;
53 struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
55 int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
64 res = mclink_send(fpga - 1, regoff, data);
66 printf("mclink_send reg %02lx data %04x returned %d\n",
76 int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
85 if (fpga > mclink_fpgacount)
87 res = mclink_receive(fpga - 1, regoff, data);
89 printf("mclink_receive reg %02lx returned %d\n",
100 char *s = getenv("serial#");
101 bool hw_type_cat = pca9698_get_value(0x20, 20);
105 printf("HRCon %s", hw_type_cat ? "CAT" : "Fiber");
117 int last_stage_init(void)
122 unsigned char mclink_controllers[] = { 0x3c, 0x3d, 0x3e };
124 bool hw_type_cat = pca9698_get_value(0x20, 20);
125 bool ch0_rgmii2_present = false;
127 FPGA_GET_REG(0, fpga_features, &fpga_features);
129 /* Turn on Parade DP501 */
130 pca9698_direction_output(0x20, 10, 1);
131 pca9698_direction_output(0x20, 11, 1);
133 ch0_rgmii2_present = !pca9698_get_value(0x20, 30);
135 /* wait for FPGA done, then reset FPGA */
136 for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) {
137 unsigned int ctr = 0;
139 if (i2c_probe(mclink_controllers[k]))
142 while (!(pca953x_get_val(mclink_controllers[k])
146 printf("no done for mclink_controller %d\n", k);
151 pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0);
152 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0);
154 pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N,
159 miiphy_register(bb_miiphy_buses[0].name, bb_miiphy_read,
161 for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
162 if ((mux_ch == 1) && !ch0_rgmii2_present)
165 setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
169 /* give slave-PLLs and Parade DP501 some time to be up and running */
172 mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
173 slaves = mclink_probe();
174 mclink_fpgacount = 0;
176 ioep_fpga_print_info(0);
178 #ifdef CONFIG_SYS_OSD_DH
185 mclink_fpgacount = slaves;
187 for (k = 1; k <= slaves; ++k) {
188 FPGA_GET_REG(k, fpga_features, &fpga_features);
190 ioep_fpga_print_info(k);
192 #ifdef CONFIG_SYS_OSD_DH
196 miiphy_register(bb_miiphy_buses[k].name,
197 bb_miiphy_read, bb_miiphy_write);
198 setup_88e1514(bb_miiphy_buses[k].name, 0);
206 * provide access to fpga gpios and controls (for I2C bitbang)
207 * (these may look all too simple but make iocon.h much more readable)
209 void fpga_gpio_set(unsigned int bus, int pin)
211 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, gpio.set, pin);
214 void fpga_gpio_clear(unsigned int bus, int pin)
216 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, gpio.clear, pin);
219 int fpga_gpio_get(unsigned int bus, int pin)
223 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, gpio.read, &val);
228 void fpga_control_set(unsigned int bus, int pin)
232 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, control, &val);
233 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, control, val | pin);
236 void fpga_control_clear(unsigned int bus, int pin)
240 FPGA_GET_REG(bus >= 4 ? (bus - 4) : bus, control, &val);
241 FPGA_SET_REG(bus >= 4 ? (bus - 4) : bus, control, val & ~pin);
244 void mpc8308_init(void)
246 pca9698_direction_output(0x20, 4, 1);
249 void mpc8308_set_fpga_reset(unsigned state)
251 pca9698_set_value(0x20, 4, state ? 0 : 1);
254 void mpc8308_setup_hw(void)
256 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
259 * set "startup-finished"-gpios
261 setbits_be32(&immr->gpio[0].dir, (1 << (31-11)) | (1 << (31-12)));
262 setbits_be32(&immr->gpio[0].dat, 1 << (31-12));
265 int mpc8308_get_fpga_done(unsigned fpga)
267 return pca9698_get_value(0x20, 19);
270 #ifdef CONFIG_FSL_ESDHC
271 int board_mmc_init(bd_t *bd)
273 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
274 sysconf83xx_t *sysconf = &immr->sysconf;
276 /* Enable cache snooping in eSDHC system configuration register */
277 out_be32(&sysconf->sdhccr, 0x02000000);
279 return fsl_esdhc_mmc_init(bd);
283 static struct pci_region pcie_regions_0[] = {
285 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
286 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
287 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
288 .flags = PCI_REGION_MEM,
291 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
292 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
293 .size = CONFIG_SYS_PCIE1_IO_SIZE,
294 .flags = PCI_REGION_IO,
298 void pci_init_board(void)
300 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
301 sysconf83xx_t *sysconf = &immr->sysconf;
302 law83xx_t *pcie_law = sysconf->pcielaw;
303 struct pci_region *pcie_reg[] = { pcie_regions_0 };
305 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
306 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
308 /* Deassert the resets in the control register */
309 out_be32(&sysconf->pecr1, 0xE0008000);
312 /* Configure PCI Express Local Access Windows */
313 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
314 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
316 mpc83xx_pcie_init(1, pcie_reg);
319 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
321 info->portwidth = FLASH_CFI_16BIT;
322 info->chipwidth = FLASH_CFI_BY16;
323 info->interface = FLASH_CFI_X16;
327 #if defined(CONFIG_OF_BOARD_SETUP)
328 int ft_board_setup(void *blob, bd_t *bd)
330 ft_cpu_setup(blob, bd);
331 fdt_fixup_dr_usb(blob, bd);
332 fdt_fixup_esdhc(blob, bd);
339 * FPGA MII bitbang implementation
352 static int mii_dummy_init(struct bb_miiphy_bus *bus)
357 static int mii_mdio_active(struct bb_miiphy_bus *bus)
359 struct fpga_mii *fpga_mii = bus->priv;
362 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
364 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
369 static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
371 struct fpga_mii *fpga_mii = bus->priv;
373 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
378 static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
380 struct fpga_mii *fpga_mii = bus->priv;
383 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
385 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
392 static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
395 struct fpga_mii *fpga_mii = bus->priv;
397 FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
399 *v = ((gpio & GPIO_MDIO) != 0);
404 static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
406 struct fpga_mii *fpga_mii = bus->priv;
409 FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
411 FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
416 static int mii_delay(struct bb_miiphy_bus *bus)
423 struct bb_miiphy_bus bb_miiphy_buses[] = {
426 .init = mii_dummy_init,
427 .mdio_active = mii_mdio_active,
428 .mdio_tristate = mii_mdio_tristate,
429 .set_mdio = mii_set_mdio,
430 .get_mdio = mii_get_mdio,
431 .set_mdc = mii_set_mdc,
433 .priv = &fpga_mii[0],
437 .init = mii_dummy_init,
438 .mdio_active = mii_mdio_active,
439 .mdio_tristate = mii_mdio_tristate,
440 .set_mdio = mii_set_mdio,
441 .get_mdio = mii_get_mdio,
442 .set_mdc = mii_set_mdc,
444 .priv = &fpga_mii[1],
448 .init = mii_dummy_init,
449 .mdio_active = mii_mdio_active,
450 .mdio_tristate = mii_mdio_tristate,
451 .set_mdio = mii_set_mdio,
452 .get_mdio = mii_get_mdio,
453 .set_mdc = mii_set_mdc,
455 .priv = &fpga_mii[2],
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[3],
470 int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
471 sizeof(bb_miiphy_buses[0]);