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67fa8c25
HS
1/*
2 * (C) Copyright 2009
3 * Marvell Semiconductor <www.marvell.com>
4 * Prafulla Wadaskar <prafulla@marvell.com>
5 *
6 * (C) Copyright 2009
7 * Stefan Roese, DENX Software Engineering, sr@denx.de.
8 *
9 * (C) Copyright 2010
10 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
11 *
1a459660 12 * SPDX-License-Identifier: GPL-2.0+
67fa8c25
HS
13 */
14
15#include <common.h>
16#include <i2c.h>
17#include <nand.h>
18#include <netdev.h>
19#include <miiphy.h>
0c25defc 20#include <spi.h>
67fa8c25 21#include <asm/io.h>
a7efd719 22#include <asm/arch/cpu.h>
3dc23f78 23#include <asm/arch/soc.h>
67fa8c25
HS
24#include <asm/arch/mpp.h>
25
26#include "../common/common.h"
27
28DECLARE_GLOBAL_DATA_PTR;
29
8612b701
HB
30/*
31 * BOCO FPGA definitions
32 */
33#define BOCO 0x10
34#define REG_CTRL_H 0x02
35#define MASK_WRL_UNITRUN 0x01
36#define MASK_RBX_PGY_PRESENT 0x40
37#define REG_IRQ_CIRQ2 0x2d
38#define MASK_RBI_DEFECT_16 0x01
39
9ff739e4
TM
40/*
41 * PHY registers definitions
42 */
43#define PHY_MARVELL_OUI 0x5043
44#define PHY_MARVELL_88E1118_MODEL 0x0022
45#define PHY_MARVELL_88E1118R_MODEL 0x0024
46
47#define PHY_MARVELL_PAGE_REG 0x0016
48#define PHY_MARVELL_DEFAULT_PAGE 0x0000
49
50#define PHY_MARVELL_88E1118R_LED_CTRL_PAGE 0x0003
51#define PHY_MARVELL_88E1118R_LED_CTRL_REG 0x0010
52
53#define PHY_MARVELL_88E1118R_LED_CTRL_RESERVED 0x1000
54#define PHY_MARVELL_88E1118R_LED_CTRL_LED0_1000MB (0x7<<0)
55#define PHY_MARVELL_88E1118R_LED_CTRL_LED1_ACT (0x3<<4)
56#define PHY_MARVELL_88E1118R_LED_CTRL_LED2_LINK (0x0<<8)
57
e23fde7d
HB
58/* I/O pin to erase flash RGPP09 = MPP43 */
59#define KM_FLASH_ERASE_ENABLE 43
60
67fa8c25 61/* Multi-Purpose Pins Functionality configuration */
9d86f0c3 62static const u32 kwmpp_config[] = {
67fa8c25
HS
63 MPP0_NF_IO2,
64 MPP1_NF_IO3,
65 MPP2_NF_IO4,
66 MPP3_NF_IO5,
67 MPP4_NF_IO6,
68 MPP5_NF_IO7,
69 MPP6_SYSRST_OUTn,
9c134e18
GF
70#if defined(KM_PCIE_RESET_MPP7)
71 MPP7_GPO,
72#else
67fa8c25 73 MPP7_PEX_RST_OUTn,
9c134e18 74#endif
ea818dbb 75#if defined(CONFIG_SYS_I2C_SOFT)
67fa8c25
HS
76 MPP8_GPIO, /* SDA */
77 MPP9_GPIO, /* SCL */
67fa8c25
HS
78#endif
79 MPP10_UART0_TXD,
80 MPP11_UART0_RXD,
81 MPP12_GPO, /* Reserved */
82 MPP13_UART1_TXD,
83 MPP14_UART1_RXD,
84 MPP15_GPIO, /* Not used */
85 MPP16_GPIO, /* Not used */
86 MPP17_GPIO, /* Reserved */
87 MPP18_NF_IO0,
88 MPP19_NF_IO1,
89 MPP20_GPIO,
90 MPP21_GPIO,
91 MPP22_GPIO,
92 MPP23_GPIO,
93 MPP24_GPIO,
94 MPP25_GPIO,
95 MPP26_GPIO,
96 MPP27_GPIO,
97 MPP28_GPIO,
98 MPP29_GPIO,
99 MPP30_GPIO,
100 MPP31_GPIO,
101 MPP32_GPIO,
102 MPP33_GPIO,
103 MPP34_GPIO, /* CDL1 (input) */
104 MPP35_GPIO, /* CDL2 (input) */
105 MPP36_GPIO, /* MAIN_IRQ (input) */
106 MPP37_GPIO, /* BOARD_LED */
107 MPP38_GPIO, /* Piggy3 LED[1] */
108 MPP39_GPIO, /* Piggy3 LED[2] */
109 MPP40_GPIO, /* Piggy3 LED[3] */
110 MPP41_GPIO, /* Piggy3 LED[4] */
111 MPP42_GPIO, /* Piggy3 LED[5] */
112 MPP43_GPIO, /* Piggy3 LED[6] */
44097e26 113 MPP44_GPIO, /* Piggy3 LED[7], BIST_EN_L */
67fa8c25
HS
114 MPP45_GPIO, /* Piggy3 LED[8] */
115 MPP46_GPIO, /* Reserved */
116 MPP47_GPIO, /* Reserved */
117 MPP48_GPIO, /* Reserved */
118 MPP49_GPIO, /* SW_INTOUTn */
119 0
120};
121
0bb95a68
VL
122static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
123
f945439a 124#if defined(CONFIG_KM_MGCOGE3UN)
8612b701
HB
125/*
126 * Wait for startup OK from mgcoge3ne
127 */
aef0bdc0 128static int startup_allowed(void)
8612b701
HB
129{
130 unsigned char buf;
131
132 /*
133 * Read CIRQ16 bit (bit 0)
134 */
135 if (i2c_read(BOCO, REG_IRQ_CIRQ2, 1, &buf, 1) != 0)
136 printf("%s: Error reading Boco\n", __func__);
137 else
138 if ((buf & MASK_RBI_DEFECT_16) == MASK_RBI_DEFECT_16)
139 return 1;
140 return 0;
141}
01fa4e8c 142#endif
8612b701 143
f945439a 144#if (defined(CONFIG_KM_PIGGY4_88E6061)|defined(CONFIG_KM_PIGGY4_88E6352))
8612b701 145/*
8170aefc
HB
146 * All boards with PIGGY4 connected via a simple switch have ethernet always
147 * present.
8612b701
HB
148 */
149int ethernet_present(void)
150{
151 return 1;
152}
153#else
67fa8c25
HS
154int ethernet_present(void)
155{
156 uchar buf;
157 int ret = 0;
158
8612b701 159 if (i2c_read(BOCO, REG_CTRL_H, 1, &buf, 1) != 0) {
b11f53f3 160 printf("%s: Error reading Boco\n", __func__);
67fa8c25
HS
161 return -1;
162 }
8612b701 163 if ((buf & MASK_RBX_PGY_PRESENT) == MASK_RBX_PGY_PRESENT)
67fa8c25 164 ret = 1;
b11f53f3 165
67fa8c25
HS
166 return ret;
167}
8612b701 168#endif
67fa8c25 169
74ae612f 170static int initialize_unit_leds(void)
731b9680
HS
171{
172 /*
8612b701 173 * Init the unit LEDs per default they all are
731b9680 174 * ok apart from bootstat
731b9680 175 */
731b9680
HS
176 uchar buf;
177
8612b701 178 if (i2c_read(BOCO, REG_CTRL_H, 1, &buf, 1) != 0) {
731b9680
HS
179 printf("%s: Error reading Boco\n", __func__);
180 return -1;
181 }
8612b701
HB
182 buf |= MASK_WRL_UNITRUN;
183 if (i2c_write(BOCO, REG_CTRL_H, 1, &buf, 1) != 0) {
731b9680
HS
184 printf("%s: Error writing Boco\n", __func__);
185 return -1;
186 }
187 return 0;
188}
189
74ae612f 190static void set_bootcount_addr(void)
22c67d08
VL
191{
192 uchar buf[32];
193 unsigned int bootcountaddr;
194 bootcountaddr = gd->ram_size - BOOTCOUNT_ADDR;
195 sprintf((char *)buf, "0x%x", bootcountaddr);
382bee57 196 env_set("bootcountaddr", (char *)buf);
22c67d08 197}
22c67d08 198
67fa8c25
HS
199int misc_init_r(void)
200{
f945439a 201#if defined(CONFIG_KM_MGCOGE3UN)
8612b701 202 char *wait_for_ne;
e23fde7d 203 u8 dip_switch = kw_gpio_get_value(KM_FLASH_ERASE_ENABLE);
00caae6d 204 wait_for_ne = env_get("waitforne");
e23fde7d
HB
205
206 if ((wait_for_ne != NULL) && (dip_switch == 0)) {
8612b701
HB
207 if (strcmp(wait_for_ne, "true") == 0) {
208 int cnt = 0;
6264800e 209 int abort = 0;
8612b701
HB
210 puts("NE go: ");
211 while (startup_allowed() == 0) {
6264800e
HB
212 if (tstc()) {
213 (void) getc(); /* consume input */
214 abort = 1;
215 break;
216 }
8612b701
HB
217 udelay(200000);
218 cnt++;
219 if (cnt == 5)
220 puts("wait\b\b\b\b");
221 if (cnt == 10) {
222 cnt = 0;
223 puts(" \b\b\b\b");
224 }
225 }
6264800e
HB
226 if (abort == 1)
227 printf("\nAbort waiting for ne\n");
228 else
229 puts("OK\n");
8612b701
HB
230 }
231 }
232#endif
731b9680 233
60c4ae00 234 ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
0bb95a68 235
731b9680 236 initialize_unit_leds();
22c67d08 237 set_km_env();
22c67d08 238 set_bootcount_addr();
67fa8c25
HS
239 return 0;
240}
241
6b0ccc3b 242int board_early_init_f(void)
67fa8c25 243{
ea818dbb 244#if defined(CONFIG_SYS_I2C_SOFT)
67fa8c25
HS
245 u32 tmp;
246
c471d848 247 /* set the 2 bitbang i2c pins as output gpios */
d5c5132f
SR
248 tmp = readl(MVEBU_GPIO0_BASE + 4);
249 writel(tmp & (~KM_KIRKWOOD_SOFT_I2C_GPIOS) , MVEBU_GPIO0_BASE + 4);
c471d848 250#endif
3a5b9fe6 251 /* adjust SDRAM size for bank 0 */
96c5f081 252 mvebu_sdram_size_adjust(0);
84683638 253 kirkwood_mpp_conf(kwmpp_config, NULL);
c471d848
HB
254 return 0;
255}
67fa8c25 256
c471d848
HB
257int board_init(void)
258{
c471d848 259 /* address of boot parameters */
96c5f081 260 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
c471d848
HB
261
262 /*
263 * The KM_FLASH_GPIO_PIN switches between using a
67fa8c25
HS
264 * NAND or a SPI FLASH. Set this pin on start
265 * to NAND mode.
266 */
c471d848
HB
267 kw_gpio_set_valid(KM_FLASH_GPIO_PIN, 1);
268 kw_gpio_direction_output(KM_FLASH_GPIO_PIN, 1);
67fa8c25 269
ea818dbb 270#if defined(CONFIG_SYS_I2C_SOFT)
c471d848
HB
271 /*
272 * Reinit the GPIO for I2C Bitbang driver so that the now
273 * available gpio framework is consistent. The calls to
274 * direction output in are not necessary, they are already done in
275 * board_early_init_f
276 */
44097e26
HS
277 kw_gpio_set_valid(KM_KIRKWOOD_SDA_PIN, 1);
278 kw_gpio_set_valid(KM_KIRKWOOD_SCL_PIN, 1);
67fa8c25 279#endif
c471d848 280
67fa8c25 281#if defined(CONFIG_SYS_EEPROM_WREN)
44097e26
HS
282 kw_gpio_set_valid(KM_KIRKWOOD_ENV_WP, 38);
283 kw_gpio_direction_output(KM_KIRKWOOD_ENV_WP, 1);
f0d64257 284#endif
6b0ccc3b 285
b37f7724
VL
286#if defined(CONFIG_KM_FPGA_CONFIG)
287 trigger_fpga_config();
288#endif
289
290 return 0;
291}
292
293int board_late_init(void)
294{
30f9ad77 295#if (defined(CONFIG_KM_COGE5UN) | defined(CONFIG_KM_MGCOGE3UN))
b8cf7cc8
TH
296 u8 dip_switch = kw_gpio_get_value(KM_FLASH_ERASE_ENABLE);
297
298 /* if pin 1 do full erase */
299 if (dip_switch != 0) {
300 /* start bootloader */
301 puts("DIP: Enabled\n");
382bee57 302 env_set("actual_bank", "0");
b8cf7cc8
TH
303 }
304#endif
305
b37f7724
VL
306#if defined(CONFIG_KM_FPGA_CONFIG)
307 wait_for_fpga_config();
308 fpga_reset();
309 toggle_eeprom_spi_bus();
310#endif
67fa8c25
HS
311 return 0;
312}
313
0c25defc 314int board_spi_claim_bus(struct spi_slave *slave)
67fa8c25 315{
0c25defc 316 kw_gpio_set_value(KM_FLASH_GPIO_PIN, 0);
67fa8c25
HS
317
318 return 0;
319}
320
0c25defc
VL
321void board_spi_release_bus(struct spi_slave *slave)
322{
323 kw_gpio_set_value(KM_FLASH_GPIO_PIN, 1);
324}
67fa8c25 325
6ef64861 326#if (defined(CONFIG_KM_PIGGY4_88E6061))
8f2827fc 327
c1b8514a
VL
328#define PHY_LED_SEL_REG 0x18
329#define PHY_LED0_LINK (0x5)
330#define PHY_LED1_ACT (0x8<<4)
331#define PHY_LED2_INT (0xe<<8)
332#define PHY_SPEC_CTRL_REG 0x1c
8f2827fc 333#define PHY_RGMII_CLK_STABLE (0x1<<10)
c1b8514a 334#define PHY_CLSA (0x1<<1)
8f2827fc
VL
335
336/* Configure and enable MV88E3018 PHY */
337void reset_phy(void)
338{
339 char *name = "egiga0";
340 unsigned short reg;
341
342 if (miiphy_set_current_dev(name))
343 return;
344
345 /* RGMII clk transition on data stable */
fa6e0ecb 346 if (miiphy_read(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL_REG, &reg))
8f2827fc 347 printf("Error reading PHY spec ctrl reg\n");
fa6e0ecb
HB
348 if (miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL_REG,
349 reg | PHY_RGMII_CLK_STABLE | PHY_CLSA))
8f2827fc
VL
350 printf("Error writing PHY spec ctrl reg\n");
351
352 /* leds setup */
fa6e0ecb
HB
353 if (miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_LED_SEL_REG,
354 PHY_LED0_LINK | PHY_LED1_ACT | PHY_LED2_INT))
8f2827fc
VL
355 printf("Error writing PHY LED reg\n");
356
357 /* reset the phy */
358 miiphy_reset(name, CONFIG_PHY_BASE_ADR);
359}
52638c41
VL
360#elif defined(CONFIG_KM_PIGGY4_88E6352)
361
362#include <mv88e6352.h>
363
364#if defined(CONFIG_KM_NUSA)
365struct mv88e_sw_reg extsw_conf[] = {
366 /*
3765b3e7 367 * port 0, PIGGY4, autoneg
52638c41
VL
368 * first the fix for the 1000Mbits Autoneg, this is from
369 * a Marvell errata, the regs are undocumented
370 */
371 { PHY(0), PHY_PAGE, AN1000FIX_PAGE },
372 { PHY(0), PHY_STATUS, AN1000FIX },
373 { PHY(0), PHY_PAGE, 0 },
374 /* now the real port and phy configuration */
375 { PORT(0), PORT_PHY, NO_SPEED_FOR },
376 { PORT(0), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
377 { PHY(0), PHY_1000_CTRL, NO_ADV },
378 { PHY(0), PHY_SPEC_CTRL, AUTO_MDIX_EN },
379 { PHY(0), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST |
380 FULL_DUPLEX },
381 /* port 1, unused */
382 { PORT(1), PORT_CTRL, PORT_DIS },
383 { PHY(1), PHY_CTRL, PHY_PWR_DOWN },
384 { PHY(1), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
385 /* port 2, unused */
386 { PORT(2), PORT_CTRL, PORT_DIS },
387 { PHY(2), PHY_CTRL, PHY_PWR_DOWN },
388 { PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
389 /* port 3, unused */
390 { PORT(3), PORT_CTRL, PORT_DIS },
391 { PHY(3), PHY_CTRL, PHY_PWR_DOWN },
392 { PHY(3), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
393 /* port 4, ICNEV, SerDes, SGMII */
394 { PORT(4), PORT_STATUS, NO_PHY_DETECT },
395 { PORT(4), PORT_PHY, SPEED_1000_FOR },
396 { PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
397 { PHY(4), PHY_CTRL, PHY_PWR_DOWN },
398 { PHY(4), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
399 /* port 5, CPU_RGMII */
400 { PORT(5), PORT_PHY, RX_RGMII_TIM | TX_RGMII_TIM | FLOW_CTRL_EN |
401 FLOW_CTRL_FOR | LINK_VAL | LINK_FOR | FULL_DPX |
402 FULL_DPX_FOR | SPEED_1000_FOR },
403 { PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
404 /* port 6, unused, this port has no phy */
405 { PORT(6), PORT_CTRL, PORT_DIS },
406};
407#else
408struct mv88e_sw_reg extsw_conf[] = {};
409#endif
410
411void reset_phy(void)
412{
413#if defined(CONFIG_KM_MVEXTSW_ADDR)
414 char *name = "egiga0";
415
416 if (miiphy_set_current_dev(name))
417 return;
418
419 mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf,
420 ARRAY_SIZE(extsw_conf));
421 mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR);
422#endif
423}
424
8f2827fc
VL
425#else
426/* Configure and enable MV88E1118 PHY on the piggy*/
67fa8c25
HS
427void reset_phy(void)
428{
9ff739e4
TM
429 unsigned int oui;
430 unsigned char model, rev;
431
67fa8c25
HS
432 char *name = "egiga0";
433
434 if (miiphy_set_current_dev(name))
435 return;
436
437 /* reset the phy */
438 miiphy_reset(name, CONFIG_PHY_BASE_ADR);
9ff739e4
TM
439
440 /* get PHY model */
441 if (miiphy_info(name, CONFIG_PHY_BASE_ADR, &oui, &model, &rev))
442 return;
443
444 /* check for Marvell 88E1118R Gigabit PHY (PIGGY3) */
445 if ((oui == PHY_MARVELL_OUI) &&
446 (model == PHY_MARVELL_88E1118R_MODEL)) {
447 /* set page register to 3 */
448 if (miiphy_write(name, CONFIG_PHY_BASE_ADR,
449 PHY_MARVELL_PAGE_REG,
450 PHY_MARVELL_88E1118R_LED_CTRL_PAGE))
451 printf("Error writing PHY page reg\n");
452
453 /*
454 * leds setup as printed on PCB:
455 * LED2 (Link): 0x0 (On Link, Off No Link)
456 * LED1 (Activity): 0x3 (On Activity, Off No Activity)
457 * LED0 (Speed): 0x7 (On 1000 MBits, Off Else)
458 */
459 if (miiphy_write(name, CONFIG_PHY_BASE_ADR,
460 PHY_MARVELL_88E1118R_LED_CTRL_REG,
461 PHY_MARVELL_88E1118R_LED_CTRL_RESERVED |
462 PHY_MARVELL_88E1118R_LED_CTRL_LED0_1000MB |
463 PHY_MARVELL_88E1118R_LED_CTRL_LED1_ACT |
464 PHY_MARVELL_88E1118R_LED_CTRL_LED2_LINK))
465 printf("Error writing PHY LED reg\n");
466
467 /* set page register back to 0 */
468 if (miiphy_write(name, CONFIG_PHY_BASE_ADR,
469 PHY_MARVELL_PAGE_REG,
470 PHY_MARVELL_DEFAULT_PAGE))
471 printf("Error writing PHY page reg\n");
472 }
67fa8c25 473}
8f2827fc
VL
474#endif
475
67fa8c25
HS
476
477#if defined(CONFIG_HUSH_INIT_VAR)
b11f53f3 478int hush_init_var(void)
67fa8c25 479{
0bb95a68 480 ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
67fa8c25
HS
481 return 0;
482}
483#endif
484
ea818dbb 485#if defined(CONFIG_SYS_I2C_SOFT)
b11f53f3 486void set_sda(int state)
67fa8c25
HS
487{
488 I2C_ACTIVE;
489 I2C_SDA(state);
490}
491
b11f53f3 492void set_scl(int state)
67fa8c25
HS
493{
494 I2C_SCL(state);
495}
496
b11f53f3 497int get_sda(void)
67fa8c25
HS
498{
499 I2C_TRISTATE;
500 return I2C_READ;
501}
502
b11f53f3 503int get_scl(void)
67fa8c25 504{
44097e26 505 return kw_gpio_get_value(KM_KIRKWOOD_SCL_PIN) ? 1 : 0;
67fa8c25
HS
506}
507#endif
508
9400f8fa
VL
509#if defined(CONFIG_POST)
510
511#define KM_POST_EN_L 44
512#define POST_WORD_OFF 8
513
514int post_hotkeys_pressed(void)
515{
d9354530
HB
516#if defined(CONFIG_KM_COGE5UN)
517 return kw_gpio_get_value(KM_POST_EN_L);
518#else
9400f8fa 519 return !kw_gpio_get_value(KM_POST_EN_L);
d9354530 520#endif
9400f8fa
VL
521}
522
523ulong post_word_load(void)
524{
6a23f311 525 void* addr = (void *) (gd->ram_size - BOOTCOUNT_ADDR + POST_WORD_OFF);
9400f8fa
VL
526 return in_le32(addr);
527
528}
529void post_word_store(ulong value)
530{
6a23f311 531 void* addr = (void *) (gd->ram_size - BOOTCOUNT_ADDR + POST_WORD_OFF);
9400f8fa
VL
532 out_le32(addr, value);
533}
534
535int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
536{
537 *vstart = CONFIG_SYS_SDRAM_BASE;
538
539 /* we go up to relocation plus a 1 MB margin */
540 *size = CONFIG_SYS_TEXT_BASE - (1<<20);
541
542 return 0;
543}
544#endif
545
67fa8c25 546#if defined(CONFIG_SYS_EEPROM_WREN)
b11f53f3 547int eeprom_write_enable(unsigned dev_addr, int state)
67fa8c25 548{
44097e26 549 kw_gpio_set_value(KM_KIRKWOOD_ENV_WP, !state);
67fa8c25 550
44097e26 551 return !kw_gpio_get_value(KM_KIRKWOOD_ENV_WP);
67fa8c25
HS
552}
553#endif