xref: /openbmc/u-boot/board/keymile/km83xx/km83xx.c (revision d374e90b)
1 /*
2  * Copyright (C) 2006 Freescale Semiconductor, Inc.
3  *                    Dave Liu <daveliu@freescale.com>
4  *
5  * Copyright (C) 2007 Logic Product Development, Inc.
6  *                    Peter Barada <peterb@logicpd.com>
7  *
8  * Copyright (C) 2007 MontaVista Software, Inc.
9  *                    Anton Vorontsov <avorontsov@ru.mvista.com>
10  *
11  * (C) Copyright 2008 - 2010
12  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
13  *
14  * SPDX-License-Identifier:	GPL-2.0+
15  */
16 
17 #include <common.h>
18 #include <ioports.h>
19 #include <mpc83xx.h>
20 #include <i2c.h>
21 #include <miiphy.h>
22 #include <asm/io.h>
23 #include <asm/mmu.h>
24 #include <asm/processor.h>
25 #include <pci.h>
26 #include <libfdt.h>
27 #include <post.h>
28 
29 #include "../common/common.h"
30 
31 DECLARE_GLOBAL_DATA_PTR;
32 
33 static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
34 
35 const qe_iop_conf_t qe_iop_conf_tab[] = {
36 	/* port pin dir open_drain assign */
37 #if defined(CONFIG_MPC8360)
38 	/* MDIO */
39 	{0,  1, 3, 0, 2}, /* MDIO */
40 	{0,  2, 1, 0, 1}, /* MDC */
41 
42 	/* UCC4 - UEC */
43 	{1, 14, 1, 0, 1}, /* TxD0 */
44 	{1, 15, 1, 0, 1}, /* TxD1 */
45 	{1, 20, 2, 0, 1}, /* RxD0 */
46 	{1, 21, 2, 0, 1}, /* RxD1 */
47 	{1, 18, 1, 0, 1}, /* TX_EN */
48 	{1, 26, 2, 0, 1}, /* RX_DV */
49 	{1, 27, 2, 0, 1}, /* RX_ER */
50 	{1, 24, 2, 0, 1}, /* COL */
51 	{1, 25, 2, 0, 1}, /* CRS */
52 	{2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
53 	{2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
54 
55 	/* DUART - UART2 */
56 	{5,  0, 1, 0, 2}, /* UART2_SOUT */
57 	{5,  2, 1, 0, 1}, /* UART2_RTS */
58 	{5,  3, 2, 0, 2}, /* UART2_SIN */
59 	{5,  1, 2, 0, 3}, /* UART2_CTS */
60 #elif !defined(CONFIG_MPC8309)
61 	/* Local Bus */
62 	{0, 16, 1, 0, 3}, /* LA00 */
63 	{0, 17, 1, 0, 3}, /* LA01 */
64 	{0, 18, 1, 0, 3}, /* LA02 */
65 	{0, 19, 1, 0, 3}, /* LA03 */
66 	{0, 20, 1, 0, 3}, /* LA04 */
67 	{0, 21, 1, 0, 3}, /* LA05 */
68 	{0, 22, 1, 0, 3}, /* LA06 */
69 	{0, 23, 1, 0, 3}, /* LA07 */
70 	{0, 24, 1, 0, 3}, /* LA08 */
71 	{0, 25, 1, 0, 3}, /* LA09 */
72 	{0, 26, 1, 0, 3}, /* LA10 */
73 	{0, 27, 1, 0, 3}, /* LA11 */
74 	{0, 28, 1, 0, 3}, /* LA12 */
75 	{0, 29, 1, 0, 3}, /* LA13 */
76 	{0, 30, 1, 0, 3}, /* LA14 */
77 	{0, 31, 1, 0, 3}, /* LA15 */
78 
79 	/* MDIO */
80 	{3,  4, 3, 0, 2}, /* MDIO */
81 	{3,  5, 1, 0, 2}, /* MDC */
82 
83 	/* UCC4 - UEC */
84 	{1, 18, 1, 0, 1}, /* TxD0 */
85 	{1, 19, 1, 0, 1}, /* TxD1 */
86 	{1, 22, 2, 0, 1}, /* RxD0 */
87 	{1, 23, 2, 0, 1}, /* RxD1 */
88 	{1, 26, 2, 0, 1}, /* RxER */
89 	{1, 28, 2, 0, 1}, /* Rx_DV */
90 	{1, 30, 1, 0, 1}, /* TxEN */
91 	{1, 31, 2, 0, 1}, /* CRS */
92 	{3, 10, 2, 0, 3}, /* TxCLK->CLK17 */
93 #endif
94 
95 	/* END of table */
96 	{0,  0, 0, 0, QE_IOP_TAB_END},
97 };
98 
99 #if defined(CONFIG_SUVD3)
100 const uint upma_table[] = {
101 	0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */
102 	0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */
103 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */
104 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */
105 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */
106 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */
107 	0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */
108 	0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */
109 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */
110 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */
111 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */
112 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */
113 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */
114 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */
115 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */
116 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01  /* Words 60 to 63 */
117 };
118 #endif
119 
120 static int piggy_present(void)
121 {
122 	struct km_bec_fpga __iomem *base =
123 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
124 
125 	return in_8(&base->bprth) & PIGGY_PRESENT;
126 }
127 
128 #if defined(CONFIG_KMVECT1)
129 int ethernet_present(void)
130 {
131 	/* ethernet port connected to simple switch without piggy */
132 	return 1;
133 }
134 #else
135 int ethernet_present(void)
136 {
137 	return piggy_present();
138 }
139 #endif
140 
141 
142 int board_early_init_r(void)
143 {
144 	struct km_bec_fpga *base =
145 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
146 #if defined(CONFIG_SUVD3)
147 	immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
148 	fsl_lbc_t *lbc = &immap->im_lbc;
149 	u32 *mxmr = &lbc->mamr;
150 #endif
151 
152 #if defined(CONFIG_MPC8360)
153 	unsigned short	svid;
154 	/*
155 	 * Because of errata in the UCCs, we have to write to the reserved
156 	 * registers to slow the clocks down.
157 	 */
158 	svid =  SVR_REV(mfspr(SVR));
159 	switch (svid) {
160 	case 0x0020:
161 		/*
162 		 * MPC8360ECE.pdf QE_ENET10 table 4:
163 		 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
164 		 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
165 		 */
166 		setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
167 		break;
168 	case 0x0021:
169 		/*
170 		 * MPC8360ECE.pdf QE_ENET10 table 4:
171 		 * IMMR + 0x14AC[24:27] = 1010
172 		 */
173 		clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
174 			0x00000050, 0x000000a0);
175 		break;
176 	}
177 #endif
178 
179 	/* enable the PHY on the PIGGY */
180 	setbits_8(&base->pgy_eth, 0x01);
181 	/* enable the Unit LED (green) */
182 	setbits_8(&base->oprth, WRL_BOOT);
183 	/* enable Application Buffer */
184 	setbits_8(&base->oprtl, OPRTL_XBUFENA);
185 
186 #if defined(CONFIG_SUVD3)
187 	/* configure UPMA for APP1 */
188 	upmconfig(UPMA, (uint *) upma_table,
189 		sizeof(upma_table) / sizeof(uint));
190 	out_be32(mxmr, CONFIG_SYS_MAMR);
191 #endif
192 	return 0;
193 }
194 
195 int misc_init_r(void)
196 {
197 	ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
198 	return 0;
199 }
200 
201 #if defined(CONFIG_KMVECT1)
202 #include <mv88e6352.h>
203 /* Marvell MV88E6122 switch configuration */
204 static struct mv88e_sw_reg extsw_conf[] = {
205 	/* port 1, FRONT_MDI, autoneg */
206 	{ PORT(1), PORT_PHY, NO_SPEED_FOR },
207 	{ PORT(1), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
208 	{ PHY(1), PHY_1000_CTRL, NO_ADV },
209 	{ PHY(1), PHY_SPEC_CTRL, AUTO_MDIX_EN },
210 	{ PHY(1), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST |
211 		FULL_DUPLEX },
212 	/* port 2, unused */
213 	{ PORT(2), PORT_CTRL, PORT_DIS },
214 	{ PHY(2), PHY_CTRL, PHY_PWR_DOWN },
215 	{ PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
216 	/* port 3, BP_MII (CPU), PHY mode, 100BASE */
217 	{ PORT(3), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
218 	/* port 4, ESTAR to slot 11, SerDes, 1000BASE-X */
219 	{ PORT(4), PORT_STATUS, NO_PHY_DETECT },
220 	{ PORT(4), PORT_PHY, SPEED_1000_FOR },
221 	{ PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
222 	/* port 5, ESTAR to slot 13, SerDes, 1000BASE-X */
223 	{ PORT(5), PORT_STATUS, NO_PHY_DETECT },
224 	{ PORT(5), PORT_PHY, SPEED_1000_FOR },
225 	{ PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
226 	/*
227 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
228 	 * acc . MV-S300889-00D.pdf , clause 4.5
229 	 */
230 	{ PORT(5), 0x1A, 0xADB1 },
231 	/* port 6, unused, this port has no phy */
232 	{ PORT(6), PORT_CTRL, PORT_DIS },
233 	/*
234 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
235 	 * acc . MV-S300889-00D.pdf , clause 4.5
236 	 */
237 	{ PORT(5), 0x1A, 0xADB1 },
238 };
239 #endif
240 
241 int last_stage_init(void)
242 {
243 #if defined(CONFIG_KMVECT1)
244 	struct km_bec_fpga __iomem *base =
245 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
246 	u8 tmp_reg;
247 
248 	/* Release mv88e6122 from reset */
249 	tmp_reg = in_8(&base->res1[0]) | 0x10; /* DIRECT3 register */
250 	out_8(&base->res1[0], tmp_reg);	       /* GP28 as output */
251 	tmp_reg = in_8(&base->gprt3) | 0x10;   /* GP28 to high */
252 	out_8(&base->gprt3, tmp_reg);
253 
254 	/* configure MV88E6122 switch */
255 	char *name = "UEC2";
256 
257 	if (miiphy_set_current_dev(name))
258 		return 0;
259 
260 	mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf,
261 		ARRAY_SIZE(extsw_conf));
262 
263 	mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR);
264 
265 	if (piggy_present()) {
266 		setenv("ethact", "UEC2");
267 		setenv("netdev", "eth1");
268 		puts("using PIGGY for network boot\n");
269 	} else {
270 		setenv("netdev", "eth0");
271 		puts("using frontport for network boot\n");
272 	}
273 #endif
274 
275 #if defined(CONFIG_KMCOGE5NE)
276 	struct bfticu_iomap *base =
277 		(struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE;
278 	u8 dip_switch = in_8((u8 *)&(base->mswitch)) & BFTICU_DIPSWITCH_MASK;
279 
280 	if (dip_switch != 0) {
281 		/* start bootloader */
282 		puts("DIP:   Enabled\n");
283 		setenv("actual_bank", "0");
284 	}
285 #endif
286 	set_km_env();
287 	return 0;
288 }
289 
290 static int fixed_sdram(void)
291 {
292 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
293 	u32 msize = 0;
294 	u32 ddr_size;
295 	u32 ddr_size_log2;
296 
297 	out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e));
298 	out_be32(&im->ddr.csbnds[0].csbnds, (CONFIG_SYS_DDR_CS0_BNDS) | 0x7f);
299 	out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
300 	out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
301 	out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
302 	out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
303 	out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
304 	out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
305 	out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2);
306 	out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
307 	out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2);
308 	out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
309 	out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
310 	udelay(200);
311 	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
312 
313 	msize = CONFIG_SYS_DDR_SIZE << 20;
314 	disable_addr_trans();
315 	msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize);
316 	enable_addr_trans();
317 	msize /= (1024 * 1024);
318 	if (CONFIG_SYS_DDR_SIZE != msize) {
319 		for (ddr_size = msize << 20, ddr_size_log2 = 0;
320 			(ddr_size > 1);
321 			ddr_size = ddr_size >> 1, ddr_size_log2++)
322 			if (ddr_size & 1)
323 				return -1;
324 		out_be32(&im->sysconf.ddrlaw[0].ar,
325 			(LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE)));
326 		out_be32(&im->ddr.csbnds[0].csbnds,
327 			(((msize / 16) - 1) & 0xff));
328 	}
329 
330 	return msize;
331 }
332 
333 int dram_init(void)
334 {
335 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
336 	u32 msize = 0;
337 
338 	if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im)
339 		return -ENXIO;
340 
341 	out_be32(&im->sysconf.ddrlaw[0].bar,
342 		CONFIG_SYS_DDR_BASE & LAWBAR_BAR);
343 	msize = fixed_sdram();
344 
345 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
346 	/*
347 	 * Initialize DDR ECC byte
348 	 */
349 	ddr_enable_ecc(msize * 1024 * 1024);
350 #endif
351 
352 	/* return total bus SDRAM size(bytes)  -- DDR */
353 	gd->ram_size = msize * 1024 * 1024;
354 
355 	return 0;
356 }
357 
358 int checkboard(void)
359 {
360 	puts("Board: Keymile " CONFIG_KM_BOARD_NAME);
361 
362 	if (piggy_present())
363 		puts(" with PIGGY.");
364 	puts("\n");
365 	return 0;
366 }
367 
368 int ft_board_setup(void *blob, bd_t *bd)
369 {
370 	ft_cpu_setup(blob, bd);
371 
372 	return 0;
373 }
374 
375 #if defined(CONFIG_HUSH_INIT_VAR)
376 int hush_init_var(void)
377 {
378 	ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
379 	return 0;
380 }
381 #endif
382 
383 #if defined(CONFIG_POST)
384 int post_hotkeys_pressed(void)
385 {
386 	int testpin = 0;
387 	struct km_bec_fpga *base =
388 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
389 	int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG);
390 	testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0;
391 	debug("post_hotkeys_pressed: %d\n", !testpin);
392 	return testpin;
393 }
394 
395 ulong post_word_load(void)
396 {
397 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
398 	debug("post_word_load 0x%08lX:  0x%08X\n", (ulong)addr, in_le32(addr));
399 	return in_le32(addr);
400 
401 }
402 void post_word_store(ulong value)
403 {
404 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
405 	debug("post_word_store 0x%08lX: 0x%08lX\n", (ulong)addr, value);
406 	out_le32(addr, value);
407 }
408 
409 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
410 {
411 	*vstart = CONFIG_SYS_MEMTEST_START;
412 	*size = CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START;
413 	debug("arch_memory_test_prepare 0x%08X 0x%08X\n", *vstart, *size);
414 
415 	return 0;
416 }
417 #endif
418