xref: /openbmc/u-boot/board/keymile/km83xx/km83xx.c (revision afc366f0)
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 const qe_iop_conf_t qe_iop_conf_tab[] = {
32 	/* port pin dir open_drain assign */
33 #if defined(CONFIG_MPC8360)
34 	/* MDIO */
35 	{0,  1, 3, 0, 2}, /* MDIO */
36 	{0,  2, 1, 0, 1}, /* MDC */
37 
38 	/* UCC4 - UEC */
39 	{1, 14, 1, 0, 1}, /* TxD0 */
40 	{1, 15, 1, 0, 1}, /* TxD1 */
41 	{1, 20, 2, 0, 1}, /* RxD0 */
42 	{1, 21, 2, 0, 1}, /* RxD1 */
43 	{1, 18, 1, 0, 1}, /* TX_EN */
44 	{1, 26, 2, 0, 1}, /* RX_DV */
45 	{1, 27, 2, 0, 1}, /* RX_ER */
46 	{1, 24, 2, 0, 1}, /* COL */
47 	{1, 25, 2, 0, 1}, /* CRS */
48 	{2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
49 	{2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
50 
51 	/* DUART - UART2 */
52 	{5,  0, 1, 0, 2}, /* UART2_SOUT */
53 	{5,  2, 1, 0, 1}, /* UART2_RTS */
54 	{5,  3, 2, 0, 2}, /* UART2_SIN */
55 	{5,  1, 2, 0, 3}, /* UART2_CTS */
56 #elif !defined(CONFIG_MPC8309)
57 	/* Local Bus */
58 	{0, 16, 1, 0, 3}, /* LA00 */
59 	{0, 17, 1, 0, 3}, /* LA01 */
60 	{0, 18, 1, 0, 3}, /* LA02 */
61 	{0, 19, 1, 0, 3}, /* LA03 */
62 	{0, 20, 1, 0, 3}, /* LA04 */
63 	{0, 21, 1, 0, 3}, /* LA05 */
64 	{0, 22, 1, 0, 3}, /* LA06 */
65 	{0, 23, 1, 0, 3}, /* LA07 */
66 	{0, 24, 1, 0, 3}, /* LA08 */
67 	{0, 25, 1, 0, 3}, /* LA09 */
68 	{0, 26, 1, 0, 3}, /* LA10 */
69 	{0, 27, 1, 0, 3}, /* LA11 */
70 	{0, 28, 1, 0, 3}, /* LA12 */
71 	{0, 29, 1, 0, 3}, /* LA13 */
72 	{0, 30, 1, 0, 3}, /* LA14 */
73 	{0, 31, 1, 0, 3}, /* LA15 */
74 
75 	/* MDIO */
76 	{3,  4, 3, 0, 2}, /* MDIO */
77 	{3,  5, 1, 0, 2}, /* MDC */
78 
79 	/* UCC4 - UEC */
80 	{1, 18, 1, 0, 1}, /* TxD0 */
81 	{1, 19, 1, 0, 1}, /* TxD1 */
82 	{1, 22, 2, 0, 1}, /* RxD0 */
83 	{1, 23, 2, 0, 1}, /* RxD1 */
84 	{1, 26, 2, 0, 1}, /* RxER */
85 	{1, 28, 2, 0, 1}, /* Rx_DV */
86 	{1, 30, 1, 0, 1}, /* TxEN */
87 	{1, 31, 2, 0, 1}, /* CRS */
88 	{3, 10, 2, 0, 3}, /* TxCLK->CLK17 */
89 #endif
90 
91 	/* END of table */
92 	{0,  0, 0, 0, QE_IOP_TAB_END},
93 };
94 
95 #if defined(CONFIG_SUVD3)
96 const uint upma_table[] = {
97 	0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */
98 	0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */
99 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */
100 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */
101 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */
102 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */
103 	0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */
104 	0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */
105 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */
106 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */
107 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */
108 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */
109 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */
110 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */
111 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */
112 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01  /* Words 60 to 63 */
113 };
114 #endif
115 
116 static int piggy_present(void)
117 {
118 	struct km_bec_fpga __iomem *base =
119 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
120 
121 	return in_8(&base->bprth) & PIGGY_PRESENT;
122 }
123 
124 #if defined(CONFIG_KMVECT1)
125 int ethernet_present(void)
126 {
127 	/* ethernet port connected to simple switch without piggy */
128 	return 1;
129 }
130 #else
131 int ethernet_present(void)
132 {
133 	return piggy_present();
134 }
135 #endif
136 
137 
138 int board_early_init_r(void)
139 {
140 	struct km_bec_fpga *base =
141 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
142 #if defined(CONFIG_SUVD3)
143 	immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
144 	fsl_lbc_t *lbc = &immap->im_lbc;
145 	u32 *mxmr = &lbc->mamr;
146 #endif
147 
148 #if defined(CONFIG_MPC8360)
149 	unsigned short	svid;
150 	/*
151 	 * Because of errata in the UCCs, we have to write to the reserved
152 	 * registers to slow the clocks down.
153 	 */
154 	svid =  SVR_REV(mfspr(SVR));
155 	switch (svid) {
156 	case 0x0020:
157 		/*
158 		 * MPC8360ECE.pdf QE_ENET10 table 4:
159 		 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
160 		 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
161 		 */
162 		setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
163 		break;
164 	case 0x0021:
165 		/*
166 		 * MPC8360ECE.pdf QE_ENET10 table 4:
167 		 * IMMR + 0x14AC[24:27] = 1010
168 		 */
169 		clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
170 			0x00000050, 0x000000a0);
171 		break;
172 	}
173 #endif
174 
175 	/* enable the PHY on the PIGGY */
176 	setbits_8(&base->pgy_eth, 0x01);
177 	/* enable the Unit LED (green) */
178 	setbits_8(&base->oprth, WRL_BOOT);
179 	/* enable Application Buffer */
180 	setbits_8(&base->oprtl, OPRTL_XBUFENA);
181 
182 #if defined(CONFIG_SUVD3)
183 	/* configure UPMA for APP1 */
184 	upmconfig(UPMA, (uint *) upma_table,
185 		sizeof(upma_table) / sizeof(uint));
186 	out_be32(mxmr, CONFIG_SYS_MAMR);
187 #endif
188 	return 0;
189 }
190 
191 int misc_init_r(void)
192 {
193 	return 0;
194 }
195 
196 #if defined(CONFIG_KMVECT1)
197 #include <mv88e6352.h>
198 /* Marvell MV88E6122 switch configuration */
199 static struct mv88e_sw_reg extsw_conf[] = {
200 	/* port 1, FRONT_MDI, autoneg */
201 	{ PORT(1), PORT_PHY, NO_SPEED_FOR },
202 	{ PORT(1), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
203 	{ PHY(1), PHY_1000_CTRL, NO_ADV },
204 	{ PHY(1), PHY_SPEC_CTRL, AUTO_MDIX_EN },
205 	{ PHY(1), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST |
206 		FULL_DUPLEX },
207 	/* port 2, unused */
208 	{ PORT(2), PORT_CTRL, PORT_DIS },
209 	{ PHY(2), PHY_CTRL, PHY_PWR_DOWN },
210 	{ PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
211 	/* port 3, BP_MII (CPU), PHY mode, 100BASE */
212 	{ PORT(3), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
213 	/* port 4, ESTAR to slot 11, SerDes, 1000BASE-X */
214 	{ PORT(4), PORT_STATUS, NO_PHY_DETECT },
215 	{ PORT(4), PORT_PHY, SPEED_1000_FOR },
216 	{ PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
217 	/* port 5, ESTAR to slot 13, SerDes, 1000BASE-X */
218 	{ PORT(5), PORT_STATUS, NO_PHY_DETECT },
219 	{ PORT(5), PORT_PHY, SPEED_1000_FOR },
220 	{ PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
221 	/*
222 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
223 	 * acc . MV-S300889-00D.pdf , clause 4.5
224 	 */
225 	{ PORT(5), 0x1A, 0xADB1 },
226 	/* port 6, unused, this port has no phy */
227 	{ PORT(6), PORT_CTRL, PORT_DIS },
228 	/*
229 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
230 	 * acc . MV-S300889-00D.pdf , clause 4.5
231 	 */
232 	{ PORT(5), 0x1A, 0xADB1 },
233 };
234 #endif
235 
236 int last_stage_init(void)
237 {
238 #if defined(CONFIG_KMVECT1)
239 	struct km_bec_fpga __iomem *base =
240 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
241 	u8 tmp_reg;
242 
243 	/* Release mv88e6122 from reset */
244 	tmp_reg = in_8(&base->res1[0]) | 0x10; /* DIRECT3 register */
245 	out_8(&base->res1[0], tmp_reg);	       /* GP28 as output */
246 	tmp_reg = in_8(&base->gprt3) | 0x10;   /* GP28 to high */
247 	out_8(&base->gprt3, tmp_reg);
248 
249 	/* configure MV88E6122 switch */
250 	char *name = "UEC2";
251 
252 	if (miiphy_set_current_dev(name))
253 		return 0;
254 
255 	mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf,
256 		ARRAY_SIZE(extsw_conf));
257 
258 	mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR);
259 
260 	if (piggy_present()) {
261 		setenv("ethact", "UEC2");
262 		setenv("netdev", "eth1");
263 		puts("using PIGGY for network boot\n");
264 	} else {
265 		setenv("netdev", "eth0");
266 		puts("using frontport for network boot\n");
267 	}
268 #endif
269 
270 #if defined(CONFIG_KMCOGE5NE)
271 	struct bfticu_iomap *base =
272 		(struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE;
273 	u8 dip_switch = in_8((u8 *)&(base->mswitch)) & BFTICU_DIPSWITCH_MASK;
274 
275 	if (dip_switch != 0) {
276 		/* start bootloader */
277 		puts("DIP:   Enabled\n");
278 		setenv("actual_bank", "0");
279 	}
280 #endif
281 	set_km_env();
282 	return 0;
283 }
284 
285 static int fixed_sdram(void)
286 {
287 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
288 	u32 msize = 0;
289 	u32 ddr_size;
290 	u32 ddr_size_log2;
291 
292 	out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e));
293 	out_be32(&im->ddr.csbnds[0].csbnds, (CONFIG_SYS_DDR_CS0_BNDS) | 0x7f);
294 	out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
295 	out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
296 	out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
297 	out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
298 	out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
299 	out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
300 	out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2);
301 	out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
302 	out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2);
303 	out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
304 	out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
305 	udelay(200);
306 	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
307 
308 	msize = CONFIG_SYS_DDR_SIZE << 20;
309 	disable_addr_trans();
310 	msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize);
311 	enable_addr_trans();
312 	msize /= (1024 * 1024);
313 	if (CONFIG_SYS_DDR_SIZE != msize) {
314 		for (ddr_size = msize << 20, ddr_size_log2 = 0;
315 			(ddr_size > 1);
316 			ddr_size = ddr_size >> 1, ddr_size_log2++)
317 			if (ddr_size & 1)
318 				return -1;
319 		out_be32(&im->sysconf.ddrlaw[0].ar,
320 			(LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE)));
321 		out_be32(&im->ddr.csbnds[0].csbnds,
322 			(((msize / 16) - 1) & 0xff));
323 	}
324 
325 	return msize;
326 }
327 
328 phys_size_t initdram(int board_type)
329 {
330 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
331 	u32 msize = 0;
332 
333 	if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im)
334 		return -1;
335 
336 	out_be32(&im->sysconf.ddrlaw[0].bar,
337 		CONFIG_SYS_DDR_BASE & LAWBAR_BAR);
338 	msize = fixed_sdram();
339 
340 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
341 	/*
342 	 * Initialize DDR ECC byte
343 	 */
344 	ddr_enable_ecc(msize * 1024 * 1024);
345 #endif
346 
347 	/* return total bus SDRAM size(bytes)  -- DDR */
348 	return msize * 1024 * 1024;
349 }
350 
351 int checkboard(void)
352 {
353 	puts("Board: Keymile " CONFIG_KM_BOARD_NAME);
354 
355 	if (piggy_present())
356 		puts(" with PIGGY.");
357 	puts("\n");
358 	return 0;
359 }
360 
361 #if defined(CONFIG_OF_BOARD_SETUP)
362 int ft_board_setup(void *blob, bd_t *bd)
363 {
364 	ft_cpu_setup(blob, bd);
365 
366 	return 0;
367 }
368 #endif
369 
370 #if defined(CONFIG_HUSH_INIT_VAR)
371 int hush_init_var(void)
372 {
373 	ivm_read_eeprom();
374 	return 0;
375 }
376 #endif
377 
378 #if defined(CONFIG_POST)
379 int post_hotkeys_pressed(void)
380 {
381 	int testpin = 0;
382 	struct km_bec_fpga *base =
383 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
384 	int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG);
385 	testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0;
386 	debug("post_hotkeys_pressed: %d\n", !testpin);
387 	return testpin;
388 }
389 
390 ulong post_word_load(void)
391 {
392 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
393 	debug("post_word_load 0x%08lX:  0x%08X\n", (ulong)addr, in_le32(addr));
394 	return in_le32(addr);
395 
396 }
397 void post_word_store(ulong value)
398 {
399 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
400 	debug("post_word_store 0x%08lX: 0x%08lX\n", (ulong)addr, value);
401 	out_le32(addr, value);
402 }
403 
404 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
405 {
406 	*vstart = CONFIG_SYS_MEMTEST_START;
407 	*size = CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START;
408 	debug("arch_memory_test_prepare 0x%08X 0x%08X\n", *vstart, *size);
409 
410 	return 0;
411 }
412 #endif
413