summaryrefslogtreecommitdiffstats
path: root/board/freescale/mpc8360emds/mpc8360emds.c
blob: 5c3b5dbc934d0f98aa7e704dd99d03d7db92ecea (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
/*
 * Copyright (C) 2006 Freescale Semiconductor, Inc.
 * Dave Liu <daveliu@freescale.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 */

#include <common.h>
#include <ioports.h>
#include <mpc83xx.h>
#include <i2c.h>
#include <miiphy.h>
#if defined(CONFIG_PCI)
#include <pci.h>
#endif
#include <spd_sdram.h>
#include <asm/mmu.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#if defined(CONFIG_PQ_MDS_PIB)
#include "../common/pq-mds-pib.h"
#endif

const qe_iop_conf_t qe_iop_conf_tab[] = {
	/* GETH1 */
	{0,  3, 1, 0, 1}, /* TxD0 */
	{0,  4, 1, 0, 1}, /* TxD1 */
	{0,  5, 1, 0, 1}, /* TxD2 */
	{0,  6, 1, 0, 1}, /* TxD3 */
	{1,  6, 1, 0, 3}, /* TxD4 */
	{1,  7, 1, 0, 1}, /* TxD5 */
	{1,  9, 1, 0, 2}, /* TxD6 */
	{1, 10, 1, 0, 2}, /* TxD7 */
	{0,  9, 2, 0, 1}, /* RxD0 */
	{0, 10, 2, 0, 1}, /* RxD1 */
	{0, 11, 2, 0, 1}, /* RxD2 */
	{0, 12, 2, 0, 1}, /* RxD3 */
	{0, 13, 2, 0, 1}, /* RxD4 */
	{1,  1, 2, 0, 2}, /* RxD5 */
	{1,  0, 2, 0, 2}, /* RxD6 */
	{1,  4, 2, 0, 2}, /* RxD7 */
	{0,  7, 1, 0, 1}, /* TX_EN */
	{0,  8, 1, 0, 1}, /* TX_ER */
	{0, 15, 2, 0, 1}, /* RX_DV */
	{0, 16, 2, 0, 1}, /* RX_ER */
	{0,  0, 2, 0, 1}, /* RX_CLK */
	{2,  9, 1, 0, 3}, /* GTX_CLK - CLK10 */
	{2,  8, 2, 0, 1}, /* GTX125 - CLK9 */
	/* GETH2 */
	{0, 17, 1, 0, 1}, /* TxD0 */
	{0, 18, 1, 0, 1}, /* TxD1 */
	{0, 19, 1, 0, 1}, /* TxD2 */
	{0, 20, 1, 0, 1}, /* TxD3 */
	{1,  2, 1, 0, 1}, /* TxD4 */
	{1,  3, 1, 0, 2}, /* TxD5 */
	{1,  5, 1, 0, 3}, /* TxD6 */
	{1,  8, 1, 0, 3}, /* TxD7 */
	{0, 23, 2, 0, 1}, /* RxD0 */
	{0, 24, 2, 0, 1}, /* RxD1 */
	{0, 25, 2, 0, 1}, /* RxD2 */
	{0, 26, 2, 0, 1}, /* RxD3 */
	{0, 27, 2, 0, 1}, /* RxD4 */
	{1, 12, 2, 0, 2}, /* RxD5 */
	{1, 13, 2, 0, 3}, /* RxD6 */
	{1, 11, 2, 0, 2}, /* RxD7 */
	{0, 21, 1, 0, 1}, /* TX_EN */
	{0, 22, 1, 0, 1}, /* TX_ER */
	{0, 29, 2, 0, 1}, /* RX_DV */
	{0, 30, 2, 0, 1}, /* RX_ER */
	{0, 31, 2, 0, 1}, /* RX_CLK */
	{2,  2, 1, 0, 2}, /* GTX_CLK = CLK10 */
	{2,  3, 2, 0, 1}, /* GTX125 - CLK4 */

	{0,  1, 3, 0, 2}, /* MDIO */
	{0,  2, 1, 0, 1}, /* MDC */

	{5,  0, 1, 0, 2}, /* UART2_SOUT */
	{5,  1, 2, 0, 3}, /* UART2_CTS */
	{5,  2, 1, 0, 1}, /* UART2_RTS */
	{5,  3, 2, 0, 2}, /* UART2_SIN */

	{0,  0, 0, 0, QE_IOP_TAB_END}, /* END of table */
};

int board_early_init_f(void)
{

	u8 *bcsr = (u8 *)CFG_BCSR;
	const immap_t *immr = (immap_t *)CFG_IMMR;

	/* Enable flash write */
	bcsr[0xa] &= ~0x04;

	/* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2.x h/w bug workaround) */
	if (REVID_MAJOR(immr->sysconf.spridr) == 2)
		bcsr[0xe] = 0x30;

	/* Enable second UART */
	bcsr[0x9] &= ~0x01;

	return 0;
}

int board_early_init_r(void)
{
#ifdef CONFIG_PQ_MDS_PIB
	pib_init();
#endif
	return 0;
}

#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
int fixed_sdram(void);
void sdram_init(void);

phys_size_t initdram(int board_type)
{
	volatile immap_t *im = (immap_t *) CFG_IMMR;
	u32 msize = 0;

	if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
		return -1;

	/* DDR SDRAM - Main SODIMM */
	im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
#if defined(CONFIG_SPD_EEPROM)
	msize = spd_sdram();
#else
	msize = fixed_sdram();
#endif

#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
	/*
	 * Initialize DDR ECC byte
	 */
	ddr_enable_ecc(msize * 1024 * 1024);
#endif
	/*
	 * Initialize SDRAM if it is on local bus.
	 */
	sdram_init();

	/* return total bus SDRAM size(bytes)  -- DDR */
	return (msize * 1024 * 1024);
}

#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
 *  fixed sdram init -- doesn't use serial presence detect.
 ************************************************************************/
int fixed_sdram(void)
{
	volatile immap_t *im = (immap_t *) CFG_IMMR;
	u32 msize = 0;
	u32 ddr_size;
	u32 ddr_size_log2;

	msize = CFG_DDR_SIZE;
	for (ddr_size = msize << 20, ddr_size_log2 = 0;
	     (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
		if (ddr_size & 1) {
			return -1;
		}
	}
	im->sysconf.ddrlaw[0].ar =
	    LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
#if (CFG_DDR_SIZE != 256)
#warning Currenly any ddr size other than 256 is not supported
#endif
#ifdef CONFIG_DDR_II
	im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
	im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
	im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
	im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
	im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
	im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
	im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
	im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
	im->ddr.sdram_mode = CFG_DDR_MODE;
	im->ddr.sdram_mode2 = CFG_DDR_MODE2;
	im->ddr.sdram_interval = CFG_DDR_INTERVAL;
	im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
#else
	im->ddr.csbnds[0].csbnds = 0x00000007;
	im->ddr.csbnds[1].csbnds = 0x0008000f;

	im->ddr.cs_config[0] = CFG_DDR_CONFIG;
	im->ddr.cs_config[1] = CFG_DDR_CONFIG;

	im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
	im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
	im->ddr.sdram_cfg = CFG_DDR_CONTROL;

	im->ddr.sdram_mode = CFG_DDR_MODE;
	im->ddr.sdram_interval = CFG_DDR_INTERVAL;
#endif
	udelay(200);
	im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;

	return msize;
}
#endif				/*!CFG_SPD_EEPROM */

int checkboard(void)
{
	puts("Board: Freescale MPC8360EMDS\n");
	return 0;
}

/*
 * if MPC8360EMDS is soldered with SDRAM
 */
#if defined(CFG_BR2_PRELIM)  \
	&& defined(CFG_OR2_PRELIM) \
	&& defined(CFG_LBLAWBAR2_PRELIM) \
	&& defined(CFG_LBLAWAR2_PRELIM)
/*
 * Initialize SDRAM memory on the Local Bus.
 */

void sdram_init(void)
{
	volatile immap_t *immap = (immap_t *) CFG_IMMR;
	volatile lbus83xx_t *lbc = &immap->lbus;
	uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE;

	/*
	 * Setup SDRAM Base and Option Registers, already done in cpu_init.c
	 */
	/*setup mtrpt, lsrt and lbcr for LB bus */
	lbc->lbcr = CFG_LBC_LBCR;
	lbc->mrtpr = CFG_LBC_MRTPR;
	lbc->lsrt = CFG_LBC_LSRT;
	asm("sync");

	/*
	 * Configure the SDRAM controller Machine Mode Register.
	 */
	lbc->lsdmr = CFG_LBC_LSDMR_5;	/* Normal Operation */
	lbc->lsdmr = CFG_LBC_LSDMR_1;	/* Precharge All Banks */
	asm("sync");
	*sdram_addr = 0xff;
	udelay(100);

	/*
	 * We need do 8 times auto refresh operation.
	 */
	lbc->lsdmr = CFG_LBC_LSDMR_2;
	asm("sync");
	*sdram_addr = 0xff;	/* 1 times */
	udelay(100);
	*sdram_addr = 0xff;	/* 2 times */
	udelay(100);
	*sdram_addr = 0xff;	/* 3 times */
	udelay(100);
	*sdram_addr = 0xff;	/* 4 times */
	udelay(100);
	*sdram_addr = 0xff;	/* 5 times */
	udelay(100);
	*sdram_addr = 0xff;	/* 6 times */
	udelay(100);
	*sdram_addr = 0xff;	/* 7 times */
	udelay(100);
	*sdram_addr = 0xff;	/* 8 times */
	udelay(100);

	/* Mode register write operation */
	lbc->lsdmr = CFG_LBC_LSDMR_4;
	asm("sync");
	*(sdram_addr + 0xcc) = 0xff;
	udelay(100);

	/* Normal operation */
	lbc->lsdmr = CFG_LBC_LSDMR_5 | 0x40000000;
	asm("sync");
	*sdram_addr = 0xff;
	udelay(100);
}
#else
void sdram_init(void)
{
}
#endif

#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
	const immap_t *immr = (immap_t *)CFG_IMMR;

	ft_cpu_setup(blob, bd);
#ifdef CONFIG_PCI
	ft_pci_setup(blob, bd);
#endif
	/*
	 * mpc8360ea pb mds errata 2: RGMII timing
	 * if on mpc8360ea rev. 2.1,
	 * change both ucc phy-connection-types from rgmii-id to rgmii-rxid
	 */
	if ((REVID_MAJOR(immr->sysconf.spridr) == 2) &&
	    (REVID_MINOR(immr->sysconf.spridr) == 1)) {
		int nodeoffset;
		const char *prop;
		int path;

		nodeoffset = fdt_path_offset(blob, "/aliases");
		if (nodeoffset >= 0) {
#if defined(CONFIG_HAS_ETH0)
			/* fixup UCC 1 if using rgmii-id mode */
			prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
			if (prop) {
				path = fdt_path_offset(blob, prop);
				prop = fdt_getprop(blob, path,
				                   "phy-connection-type", 0);
				if (prop && (strcmp(prop, "rgmii-id") == 0))
					fdt_setprop(blob, path,
					            "phy-connection-type",
					            "rgmii-rxid",
					            sizeof("rgmii-rxid"));
			}
#endif
#if defined(CONFIG_HAS_ETH1)
			/* fixup UCC 2 if using rgmii-id mode */
			prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
			if (prop) {
				path = fdt_path_offset(blob, prop);
				prop = fdt_getprop(blob, path,
				                   "phy-connection-type", 0);
				if (prop && (strcmp(prop, "rgmii-id") == 0))
					fdt_setprop(blob, path,
					            "phy-connection-type",
					            "rgmii-rxid",
					            sizeof("rgmii-rxid"));
			}
#endif
		}
	}
}
#endif
OpenPOWER on IntegriCloud