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Oleksandr G Zhadan8b0044f2015-04-29 16:57:39 -04001/*
2 * Copyright 2013-2015 Arcturus Networks, Inc.
3 * http://www.arcturusnetworks.com/products/ucp1020/
4 * by Oleksandr G Zhadan et al.
5 * based on board/freescale/p1_p2_rdb_pc/spl.c
6 * original copyright follows:
7 * Copyright 2013 Freescale Semiconductor, Inc.
8 *
9 * SPDX-License-Identifier: GPL-2.0+
10 */
11
12#include <common.h>
13#include <command.h>
14#include <hwconfig.h>
15#include <pci.h>
16#include <i2c.h>
17#include <miiphy.h>
18#include <libfdt.h>
19#include <fdt_support.h>
20#include <fsl_mdio.h>
21#include <tsec.h>
22#include <ioports.h>
23#include <netdev.h>
24#include <micrel.h>
25#include <spi_flash.h>
26#include <mmc.h>
27#include <linux/ctype.h>
28#include <asm/fsl_serdes.h>
29#include <asm/gpio.h>
30#include <asm/processor.h>
31#include <asm/mmu.h>
32#include <asm/cache.h>
33#include <asm/immap_85xx.h>
34#include <asm/fsl_pci.h>
35#include <fsl_ddr_sdram.h>
36#include <asm/io.h>
37#include <asm/fsl_law.h>
38#include <asm/fsl_lbc.h>
39#include <asm/mp.h>
40#include "ucp1020.h"
41
42void spi_set_speed(struct spi_slave *slave, uint hz)
43{
44 /* TO DO: It's actially have to be in spi/ */
45}
46
47/*
48 * To be compatible with cmd_gpio
49 */
50int name_to_gpio(const char *name)
51{
52 int gpio = 31 - simple_strtoul(name, NULL, 10);
53
54 if (gpio < 16)
55 gpio = -1;
56
57 return gpio;
58}
59
60void board_gpio_init(void)
61{
62 int i;
63 char envname[8], *val;
64
65 for (i = 0; i < GPIO_MAX_NUM; i++) {
66 sprintf(envname, "GPIO%d", i);
67 val = getenv(envname);
68 if (val) {
69 char direction = toupper(val[0]);
70 char level = toupper(val[1]);
71
72 if (direction == 'I') {
73 gpio_direction_input(i);
74 } else {
75 if (direction == 'O') {
76 if (level == '1')
77 gpio_direction_output(i, 1);
78 else
79 gpio_direction_output(i, 0);
80 }
81 }
82 }
83 }
84
85 val = getenv("PCIE_OFF");
86 if (val) {
87 gpio_direction_input(GPIO_PCIE1_EN);
88 gpio_direction_input(GPIO_PCIE2_EN);
89 } else {
90 gpio_direction_output(GPIO_PCIE1_EN, 1);
91 gpio_direction_output(GPIO_PCIE2_EN, 1);
92 }
93
94 val = getenv("SDHC_CDWP_OFF");
95 if (!val) {
96 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
97
98 setbits_be32(&gur->pmuxcr,
99 (MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP));
100 }
101}
102
103int board_early_init_f(void)
104{
105 return 0; /* Just in case. Could be disable in config file */
106}
107
108int checkboard(void)
109{
110 printf("Board: %s\n", CONFIG_BOARDNAME_LOCAL);
111 board_gpio_init();
112 printf("SD/MMC: 4-bit Mode\n");
113
114 return 0;
115}
116
117#ifdef CONFIG_PCI
118void pci_init_board(void)
119{
120 fsl_pcie_init_board(0);
121}
122#endif
123
124int board_early_init_r(void)
125{
126 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
127 const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
128
129 /*
130 * Remap Boot flash region to caching-inhibited
131 * so that flash can be erased properly.
132 */
133
134 /* Flush d-cache and invalidate i-cache of any FLASH data */
135 flush_dcache();
136 invalidate_icache();
137
138 /* invalidate existing TLB entry for flash */
139 disable_tlb(flash_esel);
140
141 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
142 MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, /* perms, wimge */
143 0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */
144
145 return 0;
146}
147
148int board_phy_config(struct phy_device *phydev)
149{
150#if defined(CONFIG_PHY_MICREL_KSZ9021)
151 int regval;
152 static int cnt;
153
154 if (cnt++ == 0)
155 printf("PHYs address [");
156
157 if (phydev->addr == TSEC1_PHY_ADDR || phydev->addr == TSEC3_PHY_ADDR) {
158 regval =
159 ksz9021_phy_extended_read(phydev,
160 MII_KSZ9021_EXT_STRAP_STATUS);
161 /*
162 * min rx data delay
163 */
164 ksz9021_phy_extended_write(phydev,
165 MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
166 0x6666);
167 /*
168 * max rx/tx clock delay, min rx/tx control
169 */
170 ksz9021_phy_extended_write(phydev,
171 MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
172 0xf6f6);
173 printf("0x%x", (regval & 0x1f));
174 } else {
175 printf("0x%x", (TSEC2_PHY_ADDR & 0x1f));
176 }
177 if (cnt == 3)
178 printf("] ");
179 else
180 printf(",");
181#endif
182
183#if defined(CONFIG_PHY_MICREL_KSZ9031_DEBUG)
184 regval = ksz9031_phy_extended_read(phydev, 2, 0x01, 0x4000);
185 if (regval >= 0)
186 printf(" (ADDR 0x%x) ", regval & 0x1f);
187#endif
188
189 return 0;
190}
191
192int last_stage_init(void)
193{
194 static char newkernelargs[256];
195 static u8 id1[16];
196 static u8 id2;
197 struct mmc *mmc;
198 char *sval, *kval;
199
200 if (i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 7, 1, &id1[0], 2) < 0) {
201 printf("Error reading i2c IDT6V49205B information!\n");
202 } else {
203 printf("IDT6V49205B(0x%02x): ready\n", id1[1]);
204 i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
205 if (!(id1[1] & 0x02)) {
206 id1[1] |= 0x02;
207 i2c_write(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
208 asm("nop; nop");
209 }
210 }
211
212 if (i2c_read(CONFIG_SYS_I2C_NCT72_ADDR, 0xFE, 1, &id2, 1) < 0)
213 printf("Error reading i2c NCT72 information!\n");
214 else
215 printf("NCT72(0x%x): ready\n", id2);
216
217 kval = getenv("kernelargs");
218
219 mmc = find_mmc_device(0);
220 if (mmc)
221 if (!mmc_init(mmc)) {
222 printf("MMC/SD card detected\n");
223 if (kval) {
224 int n = strlen(defkargs);
225 char *tmp = strstr(kval, defkargs);
226
227 *tmp = 0;
228 strcpy(newkernelargs, kval);
229 strcat(newkernelargs, " ");
230 strcat(newkernelargs, mmckargs);
231 strcat(newkernelargs, " ");
232 strcat(newkernelargs, &tmp[n]);
233 setenv("kernelargs", newkernelargs);
234 } else {
235 setenv("kernelargs", mmckargs);
236 }
237 }
238 get_arc_info();
239
240 if (kval) {
241 sval = getenv("SERIAL");
242 if (sval) {
243 strcpy(newkernelargs, "SN=");
244 strcat(newkernelargs, sval);
245 strcat(newkernelargs, " ");
246 strcat(newkernelargs, kval);
247 setenv("kernelargs", newkernelargs);
248 }
249 } else {
250 printf("Error reading kernelargs env variable!\n");
251 }
252
253 return 0;
254}
255
256int board_eth_init(bd_t *bis)
257{
258 struct fsl_pq_mdio_info mdio_info;
259 struct tsec_info_struct tsec_info[4];
260#ifdef CONFIG_TSEC2
261 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
262#endif
263 int num = 0;
264
265#ifdef CONFIG_TSEC1
266 SET_STD_TSEC_INFO(tsec_info[num], 1);
267 num++;
268#endif
269#ifdef CONFIG_TSEC2
270 SET_STD_TSEC_INFO(tsec_info[num], 2);
271 if (is_serdes_configured(SGMII_TSEC2)) {
272 if (!(in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_SGMII2_DIS)) {
273 puts("eTSEC2 is in sgmii mode.\n");
274 tsec_info[num].flags |= TSEC_SGMII;
275 tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
276 }
277 }
278 num++;
279#endif
280#ifdef CONFIG_TSEC3
281 SET_STD_TSEC_INFO(tsec_info[num], 3);
282 num++;
283#endif
284
285 if (!num) {
286 printf("No TSECs initialized\n");
287 return 0;
288 }
289
290 mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
291 mdio_info.name = DEFAULT_MII_NAME;
292
293 fsl_pq_mdio_init(bis, &mdio_info);
294
295 tsec_eth_init(bis, tsec_info, num);
296
297 return pci_eth_init(bis);
298}
299
300#ifdef CONFIG_OF_BOARD_SETUP
301int ft_board_setup(void *blob, bd_t *bd)
302{
303 phys_addr_t base;
304 phys_size_t size;
305 const char *soc_usb_compat = "fsl-usb2-dr";
306 int err, usb1_off, usb2_off;
307
308 ft_cpu_setup(blob, bd);
309
310 base = getenv_bootm_low();
311 size = getenv_bootm_size();
312
313 fdt_fixup_memory(blob, (u64)base, (u64)size);
314
315 FT_FSL_PCI_SETUP;
316
317#if defined(CONFIG_HAS_FSL_DR_USB)
Sriram Dasha5c289b2016-09-16 17:12:15 +0530318 fsl_fdt_fixup_dr_usb(blob, bd);
Oleksandr G Zhadan8b0044f2015-04-29 16:57:39 -0400319#endif
320
321#if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
322 /* Delete eLBC node as it is muxed with USB2 controller */
323 if (hwconfig("usb2")) {
324 const char *soc_elbc_compat = "fsl,p1020-elbc";
325 int off = fdt_node_offset_by_compatible(blob, -1,
326 soc_elbc_compat);
327 if (off < 0) {
328 printf
329 ("WARNING: could not find compatible node %s: %s\n",
330 soc_elbc_compat, fdt_strerror(off));
331 return off;
332 }
333 err = fdt_del_node(blob, off);
334 if (err < 0) {
335 printf("WARNING: could not remove %s: %s\n",
336 soc_elbc_compat, fdt_strerror(err));
337 }
338 return err;
339 }
340#endif
341
342/* Delete USB2 node as it is muxed with eLBC */
343 usb1_off = fdt_node_offset_by_compatible(blob, -1, soc_usb_compat);
344 if (usb1_off < 0) {
345 printf("WARNING: could not find compatible node %s: %s.\n",
346 soc_usb_compat, fdt_strerror(usb1_off));
347 return usb1_off;
348 }
349 usb2_off =
350 fdt_node_offset_by_compatible(blob, usb1_off, soc_usb_compat);
351 if (usb2_off < 0) {
352 printf("WARNING: could not find compatible node %s: %s.\n",
353 soc_usb_compat, fdt_strerror(usb2_off));
354 return usb2_off;
355 }
356 err = fdt_del_node(blob, usb2_off);
357 if (err < 0) {
358 printf("WARNING: could not remove %s: %s.\n",
359 soc_usb_compat, fdt_strerror(err));
360 }
361 return 0;
362}
363#endif