xref: /openbmc/u-boot/board/keymile/km83xx/km83xx.c (revision 87a62bce)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2006 Freescale Semiconductor, Inc.
4  *                    Dave Liu <daveliu@freescale.com>
5  *
6  * Copyright (C) 2007 Logic Product Development, Inc.
7  *                    Peter Barada <peterb@logicpd.com>
8  *
9  * Copyright (C) 2007 MontaVista Software, Inc.
10  *                    Anton Vorontsov <avorontsov@ru.mvista.com>
11  *
12  * (C) Copyright 2008 - 2010
13  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
14  */
15 
16 #include <common.h>
17 #include <ioports.h>
18 #include <mpc83xx.h>
19 #include <i2c.h>
20 #include <miiphy.h>
21 #include <asm/io.h>
22 #include <asm/mmu.h>
23 #include <asm/processor.h>
24 #include <pci.h>
25 #include <linux/libfdt.h>
26 #include <post.h>
27 
28 #include "../common/common.h"
29 
30 DECLARE_GLOBAL_DATA_PTR;
31 
32 static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
33 
34 const qe_iop_conf_t qe_iop_conf_tab[] = {
35 	/* port pin dir open_drain assign */
36 #if defined(CONFIG_MPC8360)
37 	/* MDIO */
38 	{0,  1, 3, 0, 2}, /* MDIO */
39 	{0,  2, 1, 0, 1}, /* MDC */
40 
41 	/* UCC4 - UEC */
42 	{1, 14, 1, 0, 1}, /* TxD0 */
43 	{1, 15, 1, 0, 1}, /* TxD1 */
44 	{1, 20, 2, 0, 1}, /* RxD0 */
45 	{1, 21, 2, 0, 1}, /* RxD1 */
46 	{1, 18, 1, 0, 1}, /* TX_EN */
47 	{1, 26, 2, 0, 1}, /* RX_DV */
48 	{1, 27, 2, 0, 1}, /* RX_ER */
49 	{1, 24, 2, 0, 1}, /* COL */
50 	{1, 25, 2, 0, 1}, /* CRS */
51 	{2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
52 	{2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
53 
54 	/* DUART - UART2 */
55 	{5,  0, 1, 0, 2}, /* UART2_SOUT */
56 	{5,  2, 1, 0, 1}, /* UART2_RTS */
57 	{5,  3, 2, 0, 2}, /* UART2_SIN */
58 	{5,  1, 2, 0, 3}, /* UART2_CTS */
59 #elif !defined(CONFIG_MPC8309)
60 	/* Local Bus */
61 	{0, 16, 1, 0, 3}, /* LA00 */
62 	{0, 17, 1, 0, 3}, /* LA01 */
63 	{0, 18, 1, 0, 3}, /* LA02 */
64 	{0, 19, 1, 0, 3}, /* LA03 */
65 	{0, 20, 1, 0, 3}, /* LA04 */
66 	{0, 21, 1, 0, 3}, /* LA05 */
67 	{0, 22, 1, 0, 3}, /* LA06 */
68 	{0, 23, 1, 0, 3}, /* LA07 */
69 	{0, 24, 1, 0, 3}, /* LA08 */
70 	{0, 25, 1, 0, 3}, /* LA09 */
71 	{0, 26, 1, 0, 3}, /* LA10 */
72 	{0, 27, 1, 0, 3}, /* LA11 */
73 	{0, 28, 1, 0, 3}, /* LA12 */
74 	{0, 29, 1, 0, 3}, /* LA13 */
75 	{0, 30, 1, 0, 3}, /* LA14 */
76 	{0, 31, 1, 0, 3}, /* LA15 */
77 
78 	/* MDIO */
79 	{3,  4, 3, 0, 2}, /* MDIO */
80 	{3,  5, 1, 0, 2}, /* MDC */
81 
82 	/* UCC4 - UEC */
83 	{1, 18, 1, 0, 1}, /* TxD0 */
84 	{1, 19, 1, 0, 1}, /* TxD1 */
85 	{1, 22, 2, 0, 1}, /* RxD0 */
86 	{1, 23, 2, 0, 1}, /* RxD1 */
87 	{1, 26, 2, 0, 1}, /* RxER */
88 	{1, 28, 2, 0, 1}, /* Rx_DV */
89 	{1, 30, 1, 0, 1}, /* TxEN */
90 	{1, 31, 2, 0, 1}, /* CRS */
91 	{3, 10, 2, 0, 3}, /* TxCLK->CLK17 */
92 #endif
93 
94 	/* END of table */
95 	{0,  0, 0, 0, QE_IOP_TAB_END},
96 };
97 
98 #if defined(CONFIG_SUVD3)
99 const uint upma_table[] = {
100 	0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */
101 	0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */
102 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */
103 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */
104 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */
105 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */
106 	0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */
107 	0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */
108 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */
109 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */
110 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */
111 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */
112 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */
113 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */
114 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */
115 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01  /* Words 60 to 63 */
116 };
117 #endif
118 
119 static int piggy_present(void)
120 {
121 	struct km_bec_fpga __iomem *base =
122 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
123 
124 	return in_8(&base->bprth) & PIGGY_PRESENT;
125 }
126 
127 #if defined(CONFIG_KMVECT1)
128 int ethernet_present(void)
129 {
130 	/* ethernet port connected to simple switch without piggy */
131 	return 1;
132 }
133 #else
134 int ethernet_present(void)
135 {
136 	return piggy_present();
137 }
138 #endif
139 
140 
141 int board_early_init_r(void)
142 {
143 	struct km_bec_fpga *base =
144 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
145 #if defined(CONFIG_SUVD3)
146 	immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
147 	fsl_lbc_t *lbc = &immap->im_lbc;
148 	u32 *mxmr = &lbc->mamr;
149 #endif
150 
151 #if defined(CONFIG_MPC8360)
152 	unsigned short	svid;
153 	/*
154 	 * Because of errata in the UCCs, we have to write to the reserved
155 	 * registers to slow the clocks down.
156 	 */
157 	svid =  SVR_REV(mfspr(SVR));
158 	switch (svid) {
159 	case 0x0020:
160 		/*
161 		 * MPC8360ECE.pdf QE_ENET10 table 4:
162 		 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
163 		 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
164 		 */
165 		setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
166 		break;
167 	case 0x0021:
168 		/*
169 		 * MPC8360ECE.pdf QE_ENET10 table 4:
170 		 * IMMR + 0x14AC[24:27] = 1010
171 		 */
172 		clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
173 			0x00000050, 0x000000a0);
174 		break;
175 	}
176 #endif
177 
178 	/* enable the PHY on the PIGGY */
179 	setbits_8(&base->pgy_eth, 0x01);
180 	/* enable the Unit LED (green) */
181 	setbits_8(&base->oprth, WRL_BOOT);
182 	/* enable Application Buffer */
183 	setbits_8(&base->oprtl, OPRTL_XBUFENA);
184 
185 #if defined(CONFIG_SUVD3)
186 	/* configure UPMA for APP1 */
187 	upmconfig(UPMA, (uint *) upma_table,
188 		sizeof(upma_table) / sizeof(uint));
189 	out_be32(mxmr, CONFIG_SYS_MAMR);
190 #endif
191 	return 0;
192 }
193 
194 int misc_init_r(void)
195 {
196 	ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
197 	return 0;
198 }
199 
200 #if defined(CONFIG_KMVECT1)
201 #include <mv88e6352.h>
202 /* Marvell MV88E6122 switch configuration */
203 static struct mv88e_sw_reg extsw_conf[] = {
204 	/* port 1, FRONT_MDI, autoneg */
205 	{ PORT(1), PORT_PHY, NO_SPEED_FOR },
206 	{ PORT(1), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
207 	{ PHY(1), PHY_1000_CTRL, NO_ADV },
208 	{ PHY(1), PHY_SPEC_CTRL, AUTO_MDIX_EN },
209 	{ PHY(1), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST |
210 		FULL_DUPLEX },
211 	/* port 2, unused */
212 	{ PORT(2), PORT_CTRL, PORT_DIS },
213 	{ PHY(2), PHY_CTRL, PHY_PWR_DOWN },
214 	{ PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
215 	/* port 3, BP_MII (CPU), PHY mode, 100BASE */
216 	{ PORT(3), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
217 	/* port 4, ESTAR to slot 11, SerDes, 1000BASE-X */
218 	{ PORT(4), PORT_STATUS, NO_PHY_DETECT },
219 	{ PORT(4), PORT_PHY, SPEED_1000_FOR },
220 	{ PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
221 	/* port 5, ESTAR to slot 13, SerDes, 1000BASE-X */
222 	{ PORT(5), PORT_STATUS, NO_PHY_DETECT },
223 	{ PORT(5), PORT_PHY, SPEED_1000_FOR },
224 	{ PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
225 	/*
226 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
227 	 * acc . MV-S300889-00D.pdf , clause 4.5
228 	 */
229 	{ PORT(5), 0x1A, 0xADB1 },
230 	/* port 6, unused, this port has no phy */
231 	{ PORT(6), PORT_CTRL, PORT_DIS },
232 	/*
233 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
234 	 * acc . MV-S300889-00D.pdf , clause 4.5
235 	 */
236 	{ PORT(5), 0x1A, 0xADB1 },
237 };
238 #endif
239 
240 int last_stage_init(void)
241 {
242 #if defined(CONFIG_KMVECT1)
243 	struct km_bec_fpga __iomem *base =
244 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
245 	u8 tmp_reg;
246 
247 	/* Release mv88e6122 from reset */
248 	tmp_reg = in_8(&base->res1[0]) | 0x10; /* DIRECT3 register */
249 	out_8(&base->res1[0], tmp_reg);	       /* GP28 as output */
250 	tmp_reg = in_8(&base->gprt3) | 0x10;   /* GP28 to high */
251 	out_8(&base->gprt3, tmp_reg);
252 
253 	/* configure MV88E6122 switch */
254 	char *name = "UEC2";
255 
256 	if (miiphy_set_current_dev(name))
257 		return 0;
258 
259 	mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf,
260 		ARRAY_SIZE(extsw_conf));
261 
262 	mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR);
263 
264 	if (piggy_present()) {
265 		env_set("ethact", "UEC2");
266 		env_set("netdev", "eth1");
267 		puts("using PIGGY for network boot\n");
268 	} else {
269 		env_set("netdev", "eth0");
270 		puts("using frontport for network boot\n");
271 	}
272 #endif
273 
274 #if defined(CONFIG_KMCOGE5NE)
275 	struct bfticu_iomap *base =
276 		(struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE;
277 	u8 dip_switch = in_8((u8 *)&(base->mswitch)) & BFTICU_DIPSWITCH_MASK;
278 
279 	if (dip_switch != 0) {
280 		/* start bootloader */
281 		puts("DIP:   Enabled\n");
282 		env_set("actual_bank", "0");
283 	}
284 #endif
285 	set_km_env();
286 	return 0;
287 }
288 
289 static int fixed_sdram(void)
290 {
291 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
292 	u32 msize = 0;
293 	u32 ddr_size;
294 	u32 ddr_size_log2;
295 
296 	out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e));
297 	out_be32(&im->ddr.csbnds[0].csbnds, (CONFIG_SYS_DDR_CS0_BNDS) | 0x7f);
298 	out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
299 	out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
300 	out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
301 	out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
302 	out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
303 	out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
304 	out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2);
305 	out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
306 	out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2);
307 	out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
308 	out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
309 	udelay(200);
310 	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
311 
312 	msize = CONFIG_SYS_DDR_SIZE << 20;
313 	disable_addr_trans();
314 	msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize);
315 	enable_addr_trans();
316 	msize /= (1024 * 1024);
317 	if (CONFIG_SYS_DDR_SIZE != msize) {
318 		for (ddr_size = msize << 20, ddr_size_log2 = 0;
319 			(ddr_size > 1);
320 			ddr_size = ddr_size >> 1, ddr_size_log2++)
321 			if (ddr_size & 1)
322 				return -1;
323 		out_be32(&im->sysconf.ddrlaw[0].ar,
324 			(LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE)));
325 		out_be32(&im->ddr.csbnds[0].csbnds,
326 			(((msize / 16) - 1) & 0xff));
327 	}
328 
329 	return msize;
330 }
331 
332 int dram_init(void)
333 {
334 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
335 	u32 msize = 0;
336 
337 	if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im)
338 		return -ENXIO;
339 
340 	out_be32(&im->sysconf.ddrlaw[0].bar,
341 		CONFIG_SYS_DDR_BASE & LAWBAR_BAR);
342 	msize = fixed_sdram();
343 
344 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
345 	/*
346 	 * Initialize DDR ECC byte
347 	 */
348 	ddr_enable_ecc(msize * 1024 * 1024);
349 #endif
350 
351 	/* return total bus SDRAM size(bytes)  -- DDR */
352 	gd->ram_size = msize * 1024 * 1024;
353 
354 	return 0;
355 }
356 
357 int checkboard(void)
358 {
359 	puts("Board: Keymile " CONFIG_KM_BOARD_NAME);
360 
361 	if (piggy_present())
362 		puts(" with PIGGY.");
363 	puts("\n");
364 	return 0;
365 }
366 
367 int ft_board_setup(void *blob, bd_t *bd)
368 {
369 	ft_cpu_setup(blob, bd);
370 
371 	return 0;
372 }
373 
374 #if defined(CONFIG_HUSH_INIT_VAR)
375 int hush_init_var(void)
376 {
377 	ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
378 	return 0;
379 }
380 #endif
381 
382 #if defined(CONFIG_POST)
383 int post_hotkeys_pressed(void)
384 {
385 	int testpin = 0;
386 	struct km_bec_fpga *base =
387 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
388 	int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG);
389 	testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0;
390 	debug("post_hotkeys_pressed: %d\n", !testpin);
391 	return testpin;
392 }
393 
394 ulong post_word_load(void)
395 {
396 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
397 	debug("post_word_load 0x%08lX:  0x%08X\n", (ulong)addr, in_le32(addr));
398 	return in_le32(addr);
399 
400 }
401 void post_word_store(ulong value)
402 {
403 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
404 	debug("post_word_store 0x%08lX: 0x%08lX\n", (ulong)addr, value);
405 	out_le32(addr, value);
406 }
407 
408 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
409 {
410 	*vstart = CONFIG_SYS_MEMTEST_START;
411 	*size = CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START;
412 	debug("arch_memory_test_prepare 0x%08X 0x%08X\n", *vstart, *size);
413 
414 	return 0;
415 }
416 #endif
417