xref: /openbmc/u-boot/board/keymile/km83xx/km83xx.c (revision f82a7840)
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 static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
32 
33 const qe_iop_conf_t qe_iop_conf_tab[] = {
34 	/* port pin dir open_drain assign */
35 #if defined(CONFIG_MPC8360)
36 	/* MDIO */
37 	{0,  1, 3, 0, 2}, /* MDIO */
38 	{0,  2, 1, 0, 1}, /* MDC */
39 
40 	/* UCC4 - UEC */
41 	{1, 14, 1, 0, 1}, /* TxD0 */
42 	{1, 15, 1, 0, 1}, /* TxD1 */
43 	{1, 20, 2, 0, 1}, /* RxD0 */
44 	{1, 21, 2, 0, 1}, /* RxD1 */
45 	{1, 18, 1, 0, 1}, /* TX_EN */
46 	{1, 26, 2, 0, 1}, /* RX_DV */
47 	{1, 27, 2, 0, 1}, /* RX_ER */
48 	{1, 24, 2, 0, 1}, /* COL */
49 	{1, 25, 2, 0, 1}, /* CRS */
50 	{2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
51 	{2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
52 
53 	/* DUART - UART2 */
54 	{5,  0, 1, 0, 2}, /* UART2_SOUT */
55 	{5,  2, 1, 0, 1}, /* UART2_RTS */
56 	{5,  3, 2, 0, 2}, /* UART2_SIN */
57 	{5,  1, 2, 0, 3}, /* UART2_CTS */
58 #elif !defined(CONFIG_MPC8309)
59 	/* Local Bus */
60 	{0, 16, 1, 0, 3}, /* LA00 */
61 	{0, 17, 1, 0, 3}, /* LA01 */
62 	{0, 18, 1, 0, 3}, /* LA02 */
63 	{0, 19, 1, 0, 3}, /* LA03 */
64 	{0, 20, 1, 0, 3}, /* LA04 */
65 	{0, 21, 1, 0, 3}, /* LA05 */
66 	{0, 22, 1, 0, 3}, /* LA06 */
67 	{0, 23, 1, 0, 3}, /* LA07 */
68 	{0, 24, 1, 0, 3}, /* LA08 */
69 	{0, 25, 1, 0, 3}, /* LA09 */
70 	{0, 26, 1, 0, 3}, /* LA10 */
71 	{0, 27, 1, 0, 3}, /* LA11 */
72 	{0, 28, 1, 0, 3}, /* LA12 */
73 	{0, 29, 1, 0, 3}, /* LA13 */
74 	{0, 30, 1, 0, 3}, /* LA14 */
75 	{0, 31, 1, 0, 3}, /* LA15 */
76 
77 	/* MDIO */
78 	{3,  4, 3, 0, 2}, /* MDIO */
79 	{3,  5, 1, 0, 2}, /* MDC */
80 
81 	/* UCC4 - UEC */
82 	{1, 18, 1, 0, 1}, /* TxD0 */
83 	{1, 19, 1, 0, 1}, /* TxD1 */
84 	{1, 22, 2, 0, 1}, /* RxD0 */
85 	{1, 23, 2, 0, 1}, /* RxD1 */
86 	{1, 26, 2, 0, 1}, /* RxER */
87 	{1, 28, 2, 0, 1}, /* Rx_DV */
88 	{1, 30, 1, 0, 1}, /* TxEN */
89 	{1, 31, 2, 0, 1}, /* CRS */
90 	{3, 10, 2, 0, 3}, /* TxCLK->CLK17 */
91 #endif
92 
93 	/* END of table */
94 	{0,  0, 0, 0, QE_IOP_TAB_END},
95 };
96 
97 #if defined(CONFIG_SUVD3)
98 const uint upma_table[] = {
99 	0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */
100 	0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */
101 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */
102 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */
103 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */
104 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */
105 	0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */
106 	0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */
107 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */
108 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */
109 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */
110 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */
111 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */
112 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */
113 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */
114 	0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01  /* Words 60 to 63 */
115 };
116 #endif
117 
118 static int piggy_present(void)
119 {
120 	struct km_bec_fpga __iomem *base =
121 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
122 
123 	return in_8(&base->bprth) & PIGGY_PRESENT;
124 }
125 
126 #if defined(CONFIG_KMVECT1)
127 int ethernet_present(void)
128 {
129 	/* ethernet port connected to simple switch without piggy */
130 	return 1;
131 }
132 #else
133 int ethernet_present(void)
134 {
135 	return piggy_present();
136 }
137 #endif
138 
139 
140 int board_early_init_r(void)
141 {
142 	struct km_bec_fpga *base =
143 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
144 #if defined(CONFIG_SUVD3)
145 	immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
146 	fsl_lbc_t *lbc = &immap->im_lbc;
147 	u32 *mxmr = &lbc->mamr;
148 #endif
149 
150 #if defined(CONFIG_MPC8360)
151 	unsigned short	svid;
152 	/*
153 	 * Because of errata in the UCCs, we have to write to the reserved
154 	 * registers to slow the clocks down.
155 	 */
156 	svid =  SVR_REV(mfspr(SVR));
157 	switch (svid) {
158 	case 0x0020:
159 		/*
160 		 * MPC8360ECE.pdf QE_ENET10 table 4:
161 		 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
162 		 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
163 		 */
164 		setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
165 		break;
166 	case 0x0021:
167 		/*
168 		 * MPC8360ECE.pdf QE_ENET10 table 4:
169 		 * IMMR + 0x14AC[24:27] = 1010
170 		 */
171 		clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
172 			0x00000050, 0x000000a0);
173 		break;
174 	}
175 #endif
176 
177 	/* enable the PHY on the PIGGY */
178 	setbits_8(&base->pgy_eth, 0x01);
179 	/* enable the Unit LED (green) */
180 	setbits_8(&base->oprth, WRL_BOOT);
181 	/* enable Application Buffer */
182 	setbits_8(&base->oprtl, OPRTL_XBUFENA);
183 
184 #if defined(CONFIG_SUVD3)
185 	/* configure UPMA for APP1 */
186 	upmconfig(UPMA, (uint *) upma_table,
187 		sizeof(upma_table) / sizeof(uint));
188 	out_be32(mxmr, CONFIG_SYS_MAMR);
189 #endif
190 	return 0;
191 }
192 
193 int misc_init_r(void)
194 {
195 	ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
196 	return 0;
197 }
198 
199 #if defined(CONFIG_KMVECT1)
200 #include <mv88e6352.h>
201 /* Marvell MV88E6122 switch configuration */
202 static struct mv88e_sw_reg extsw_conf[] = {
203 	/* port 1, FRONT_MDI, autoneg */
204 	{ PORT(1), PORT_PHY, NO_SPEED_FOR },
205 	{ PORT(1), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
206 	{ PHY(1), PHY_1000_CTRL, NO_ADV },
207 	{ PHY(1), PHY_SPEC_CTRL, AUTO_MDIX_EN },
208 	{ PHY(1), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST |
209 		FULL_DUPLEX },
210 	/* port 2, unused */
211 	{ PORT(2), PORT_CTRL, PORT_DIS },
212 	{ PHY(2), PHY_CTRL, PHY_PWR_DOWN },
213 	{ PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
214 	/* port 3, BP_MII (CPU), PHY mode, 100BASE */
215 	{ PORT(3), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
216 	/* port 4, ESTAR to slot 11, SerDes, 1000BASE-X */
217 	{ PORT(4), PORT_STATUS, NO_PHY_DETECT },
218 	{ PORT(4), PORT_PHY, SPEED_1000_FOR },
219 	{ PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
220 	/* port 5, ESTAR to slot 13, SerDes, 1000BASE-X */
221 	{ PORT(5), PORT_STATUS, NO_PHY_DETECT },
222 	{ PORT(5), PORT_PHY, SPEED_1000_FOR },
223 	{ PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
224 	/*
225 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
226 	 * acc . MV-S300889-00D.pdf , clause 4.5
227 	 */
228 	{ PORT(5), 0x1A, 0xADB1 },
229 	/* port 6, unused, this port has no phy */
230 	{ PORT(6), PORT_CTRL, PORT_DIS },
231 	/*
232 	 * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
233 	 * acc . MV-S300889-00D.pdf , clause 4.5
234 	 */
235 	{ PORT(5), 0x1A, 0xADB1 },
236 };
237 #endif
238 
239 int last_stage_init(void)
240 {
241 #if defined(CONFIG_KMVECT1)
242 	struct km_bec_fpga __iomem *base =
243 		(struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
244 	u8 tmp_reg;
245 
246 	/* Release mv88e6122 from reset */
247 	tmp_reg = in_8(&base->res1[0]) | 0x10; /* DIRECT3 register */
248 	out_8(&base->res1[0], tmp_reg);	       /* GP28 as output */
249 	tmp_reg = in_8(&base->gprt3) | 0x10;   /* GP28 to high */
250 	out_8(&base->gprt3, tmp_reg);
251 
252 	/* configure MV88E6122 switch */
253 	char *name = "UEC2";
254 
255 	if (miiphy_set_current_dev(name))
256 		return 0;
257 
258 	mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf,
259 		ARRAY_SIZE(extsw_conf));
260 
261 	mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR);
262 
263 	if (piggy_present()) {
264 		setenv("ethact", "UEC2");
265 		setenv("netdev", "eth1");
266 		puts("using PIGGY for network boot\n");
267 	} else {
268 		setenv("netdev", "eth0");
269 		puts("using frontport for network boot\n");
270 	}
271 #endif
272 
273 #if defined(CONFIG_KMCOGE5NE)
274 	struct bfticu_iomap *base =
275 		(struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE;
276 	u8 dip_switch = in_8((u8 *)&(base->mswitch)) & BFTICU_DIPSWITCH_MASK;
277 
278 	if (dip_switch != 0) {
279 		/* start bootloader */
280 		puts("DIP:   Enabled\n");
281 		setenv("actual_bank", "0");
282 	}
283 #endif
284 	set_km_env();
285 	return 0;
286 }
287 
288 static int fixed_sdram(void)
289 {
290 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
291 	u32 msize = 0;
292 	u32 ddr_size;
293 	u32 ddr_size_log2;
294 
295 	out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e));
296 	out_be32(&im->ddr.csbnds[0].csbnds, (CONFIG_SYS_DDR_CS0_BNDS) | 0x7f);
297 	out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
298 	out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
299 	out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
300 	out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
301 	out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
302 	out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
303 	out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2);
304 	out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
305 	out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2);
306 	out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
307 	out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
308 	udelay(200);
309 	setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
310 
311 	msize = CONFIG_SYS_DDR_SIZE << 20;
312 	disable_addr_trans();
313 	msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize);
314 	enable_addr_trans();
315 	msize /= (1024 * 1024);
316 	if (CONFIG_SYS_DDR_SIZE != msize) {
317 		for (ddr_size = msize << 20, ddr_size_log2 = 0;
318 			(ddr_size > 1);
319 			ddr_size = ddr_size >> 1, ddr_size_log2++)
320 			if (ddr_size & 1)
321 				return -1;
322 		out_be32(&im->sysconf.ddrlaw[0].ar,
323 			(LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE)));
324 		out_be32(&im->ddr.csbnds[0].csbnds,
325 			(((msize / 16) - 1) & 0xff));
326 	}
327 
328 	return msize;
329 }
330 
331 phys_size_t initdram(int board_type)
332 {
333 	immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
334 	u32 msize = 0;
335 
336 	if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im)
337 		return -1;
338 
339 	out_be32(&im->sysconf.ddrlaw[0].bar,
340 		CONFIG_SYS_DDR_BASE & LAWBAR_BAR);
341 	msize = fixed_sdram();
342 
343 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
344 	/*
345 	 * Initialize DDR ECC byte
346 	 */
347 	ddr_enable_ecc(msize * 1024 * 1024);
348 #endif
349 
350 	/* return total bus SDRAM size(bytes)  -- DDR */
351 	return msize * 1024 * 1024;
352 }
353 
354 int checkboard(void)
355 {
356 	puts("Board: Keymile " CONFIG_KM_BOARD_NAME);
357 
358 	if (piggy_present())
359 		puts(" with PIGGY.");
360 	puts("\n");
361 	return 0;
362 }
363 
364 #if defined(CONFIG_OF_BOARD_SETUP)
365 int ft_board_setup(void *blob, bd_t *bd)
366 {
367 	ft_cpu_setup(blob, bd);
368 
369 	return 0;
370 }
371 #endif
372 
373 #if defined(CONFIG_HUSH_INIT_VAR)
374 int hush_init_var(void)
375 {
376 	ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
377 	return 0;
378 }
379 #endif
380 
381 #if defined(CONFIG_POST)
382 int post_hotkeys_pressed(void)
383 {
384 	int testpin = 0;
385 	struct km_bec_fpga *base =
386 		(struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
387 	int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG);
388 	testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0;
389 	debug("post_hotkeys_pressed: %d\n", !testpin);
390 	return testpin;
391 }
392 
393 ulong post_word_load(void)
394 {
395 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
396 	debug("post_word_load 0x%08lX:  0x%08X\n", (ulong)addr, in_le32(addr));
397 	return in_le32(addr);
398 
399 }
400 void post_word_store(ulong value)
401 {
402 	void* addr = (ulong *) (CPM_POST_WORD_ADDR);
403 	debug("post_word_store 0x%08lX: 0x%08lX\n", (ulong)addr, value);
404 	out_le32(addr, value);
405 }
406 
407 int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
408 {
409 	*vstart = CONFIG_SYS_MEMTEST_START;
410 	*size = CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START;
411 	debug("arch_memory_test_prepare 0x%08X 0x%08X\n", *vstart, *size);
412 
413 	return 0;
414 }
415 #endif
416