]> git.ipfire.org Git - people/ms/u-boot.git/blame - board/digsy_mtc/digsy_mtc.c
phylib: Detect link on 10G devices correctly
[people/ms/u-boot.git] / board / digsy_mtc / digsy_mtc.c
CommitLineData
5c4fa9b4
GB
1/*
2 * (C) Copyright 2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2004
6 * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
7 *
8 * (C) Copyright 2005-2009
9 * Modified for InterControl digsyMTC MPC5200 board by
10 * Frank Bodammer, GCD Hard- & Software GmbH,
11 * frank.bodammer@gcd-solutions.de
12 *
13 * (C) Copyright 2009
14 * Grzegorz Bernacki, Semihalf, gjb@semihalf.com
15 *
16 * See file CREDITS for list of people who contributed to this
17 * project.
18 *
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License as
21 * published by the Free Software Foundation; either version 2 of
22 * the License, or (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 * MA 02111-1307 USA
33 */
34
35#include <common.h>
36#include <mpc5xxx.h>
37#include <net.h>
38#include <pci.h>
39#include <asm/processor.h>
40#include <asm/io.h>
41#include "eeprom.h"
466f0137
HS
42#if defined(CONFIG_DIGSY_REV5)
43#include "is45s16800a2.h"
44#include <mtd/cfi_flash.h>
f3143134 45#include <flash.h>
466f0137 46#else
5c4fa9b4 47#include "is42s16800a-7t.h"
466f0137
HS
48#endif
49#include <libfdt.h>
927d2cea 50#include <fdt_support.h>
5c4fa9b4
GB
51
52DECLARE_GLOBAL_DATA_PTR;
53
54extern int usb_cpu_init(void);
55
466f0137
HS
56#if defined(CONFIG_DIGSY_REV5)
57/*
58 * The M29W128GH needs a specail reset command function,
59 * details see the doc/README.cfi file
60 */
61void flash_cmd_reset(flash_info_t *info)
62{
63 flash_write_cmd(info, 0, 0, AMD_CMD_RESET);
64}
65#endif
66
5c4fa9b4
GB
67#ifndef CONFIG_SYS_RAMBOOT
68static void sdram_start(int hi_addr)
69{
70 long hi_addr_bit = hi_addr ? 0x01000000 : 0;
71 long control = SDRAM_CONTROL | hi_addr_bit;
72
73 /* unlock mode register */
74 out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000000);
75
76 /* precharge all banks */
77 out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000002);
78
79 /* auto refresh */
80 out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000004);
81
82 /* set mode register */
83 out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_MODE);
84
85 /* normal operation */
86 out_be32((void *)MPC5XXX_SDRAM_CTRL, control);
87}
88#endif
89
90/*
91 * ATTENTION: Although partially referenced initdram does NOT make real use
92 * use of CONFIG_SYS_SDRAM_BASE. The code does not work if
93 * CONFIG_SYS_SDRAM_BASE is something else than 0x00000000.
94 */
95
96phys_size_t initdram(int board_type)
97{
98 ulong dramsize = 0;
99 ulong dramsize2 = 0;
100 uint svr, pvr;
101#ifndef CONFIG_SYS_RAMBOOT
102 ulong test1, test2;
103
104 /* setup SDRAM chip selects */
105 out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0x0000001C); /* 512MB at 0x0 */
106 out_be32((void *)MPC5XXX_SDRAM_CS1CFG, 0x80000000); /* disabled */
107
108 /* setup config registers */
109 out_be32((void *)MPC5XXX_SDRAM_CONFIG1, SDRAM_CONFIG1);
110 out_be32((void *)MPC5XXX_SDRAM_CONFIG2, SDRAM_CONFIG2);
111
112 /* find RAM size using SDRAM CS0 only */
113 sdram_start(0);
114 test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000);
115 sdram_start(1);
116 test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000);
117 if (test1 > test2) {
118 sdram_start(0);
119 dramsize = test1;
120 } else {
121 dramsize = test2;
122 }
123
124 /* memory smaller than 1MB is impossible */
125 if (dramsize < (1 << 20))
126 dramsize = 0;
127
128 /* set SDRAM CS0 size according to the amount of RAM found */
129 if (dramsize > 0) {
130 out_be32((void *)MPC5XXX_SDRAM_CS0CFG,
131 (0x13 + __builtin_ffs(dramsize >> 20) - 1));
132 } else {
133 out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0); /* disabled */
134 }
135
136 /* let SDRAM CS1 start right after CS0 */
137 out_be32((void *)MPC5XXX_SDRAM_CS1CFG, dramsize + 0x0000001C);
138
139 /* find RAM size using SDRAM CS1 only */
140 test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize),
141 0x08000000);
142 dramsize2 = test1;
143
144 /* memory smaller than 1MB is impossible */
145 if (dramsize2 < (1 << 20))
146 dramsize2 = 0;
147
148 /* set SDRAM CS1 size according to the amount of RAM found */
149 if (dramsize2 > 0) {
150 out_be32((void *)MPC5XXX_SDRAM_CS1CFG, (dramsize |
151 (0x13 + __builtin_ffs(dramsize2 >> 20) - 1)));
152 } else {
153 out_be32((void *)MPC5XXX_SDRAM_CS1CFG, dramsize); /* disabled */
154 }
155
156#else /* CONFIG_SYS_RAMBOOT */
157
158 /* retrieve size of memory connected to SDRAM CS0 */
159 dramsize = in_be32((void *)MPC5XXX_SDRAM_CS0CFG) & 0xFF;
160 if (dramsize >= 0x13)
161 dramsize = (1 << (dramsize - 0x13)) << 20;
162 else
163 dramsize = 0;
164
165 /* retrieve size of memory connected to SDRAM CS1 */
166 dramsize2 = in_be32((void *)MPC5XXX_SDRAM_CS1CFG) & 0xFF;
167 if (dramsize2 >= 0x13)
168 dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
169 else
170 dramsize2 = 0;
171
172#endif /* CONFIG_SYS_RAMBOOT */
173
174 /*
175 * On MPC5200B we need to set the special configuration delay in the
176 * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
177 * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
178 *
179 * "The SDelay should be written to a value of 0x00000004. It is
180 * required to account for changes caused by normal wafer processing
181 * parameters."
182 */
183 svr = get_svr();
184 pvr = get_pvr();
185 if ((SVR_MJREV(svr) >= 2) &&
186 (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4))
187 out_be32((void *)MPC5XXX_SDRAM_SDELAY, 0x04);
188
189 return dramsize + dramsize2;
190}
191
192int checkboard(void)
193{
f0c0b3a9
WD
194 char buf[64];
195 int i = getenv_f("serial#", buf, sizeof(buf));
5c4fa9b4
GB
196
197 puts ("Board: InterControl digsyMTC");
466f0137
HS
198#if defined(CONFIG_DIGSY_REV5)
199 puts (" rev5");
200#endif
f0c0b3a9 201 if (i > 0) {
5c4fa9b4 202 puts(", ");
f0c0b3a9 203 puts(buf);
5c4fa9b4
GB
204 }
205 putc('\n');
206
207 return 0;
208}
209
210int board_early_init_r(void)
211{
f1f66edf
GB
212#ifdef CONFIG_MPC52XX_SPI
213 struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt*)MPC5XXX_GPT;
214#endif
5c4fa9b4
GB
215 /*
216 * Now, when we are in RAM, enable flash write access for detection
217 * process. Note that CS_BOOT cannot be cleared when executing in
218 * flash.
219 */
220 /* disable CS_BOOT */
221 clrbits_be32((void *)MPC5XXX_ADDECR, (1 << 25));
222 /* enable CS1 */
223 setbits_be32((void *)MPC5XXX_ADDECR, (1 << 17));
224 /* enable CS0 */
225 setbits_be32((void *)MPC5XXX_ADDECR, (1 << 16));
226
227#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
228 /* Low level USB init, required for proper kernel operation */
229 usb_cpu_init();
230#endif
f1f66edf
GB
231#ifdef CONFIG_MPC52XX_SPI
232 /* GPT 6 Output Enable */
233 out_be32(&gpt[6].emsr, 0x00000034);
234 /* GPT 7 Output Enable */
235 out_be32(&gpt[7].emsr, 0x00000034);
236#endif
237
5c4fa9b4
GB
238 return (0);
239}
240
241void board_get_enetaddr (uchar * enet)
242{
243 ushort read = 0;
244 ushort addr_of_eth_addr = 0;
245 ushort len_sys = 0;
246 ushort len_sys_cfg = 0;
247
248 /* check identification word */
249 eeprom_read(EEPROM_ADDR, EEPROM_ADDR_IDENT, (uchar *)&read, 2);
250 if (read != EEPROM_IDENT)
251 return;
252
253 /* calculate offset of config area */
254 eeprom_read(EEPROM_ADDR, EEPROM_ADDR_LEN_SYS, (uchar *)&len_sys, 2);
255 eeprom_read(EEPROM_ADDR, EEPROM_ADDR_LEN_SYSCFG,
256 (uchar *)&len_sys_cfg, 2);
257 addr_of_eth_addr = (len_sys + len_sys_cfg + EEPROM_ADDR_ETHADDR) << 1;
258 if (addr_of_eth_addr >= EEPROM_LEN)
259 return;
260
261 eeprom_read(EEPROM_ADDR, addr_of_eth_addr, enet, 6);
262}
263
264int misc_init_r(void)
265{
266 uchar enetaddr[6];
267
268 if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
269 board_get_enetaddr(enetaddr);
270 eth_setenv_enetaddr("ethaddr", enetaddr);
271 }
272
273 return 0;
274}
275
276#ifdef CONFIG_PCI
277static struct pci_controller hose;
278
279extern void pci_mpc5xxx_init(struct pci_controller *);
280
281void pci_init_board(void)
282{
283 pci_mpc5xxx_init(&hose);
284}
285#endif
286
287#ifdef CONFIG_CMD_IDE
288
289#ifdef CONFIG_IDE_RESET
290
291void init_ide_reset(void)
292{
293 debug ("init_ide_reset\n");
294
295 /* set gpio output value to 1 */
296 setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25));
297 /* open drain output */
298 setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25));
299 /* direction output */
300 setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25));
301 /* enable gpio */
302 setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25));
303
304}
305
306void ide_set_reset(int idereset)
307{
308 debug ("ide_reset(%d)\n", idereset);
309
310 /* set gpio output value to 0 */
311 clrbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25));
312 /* open drain output */
313 setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25));
314 /* direction output */
315 setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25));
316 /* enable gpio */
317 setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25));
318
319 udelay(10000);
320
321 /* set gpio output value to 1 */
322 setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, (1 << 25));
323 /* open drain output */
324 setbits_be32((void *)MPC5XXX_WU_GPIO_ODE, (1 << 25));
325 /* direction output */
326 setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, (1 << 25));
327 /* enable gpio */
328 setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25));
329}
330#endif /* CONFIG_IDE_RESET */
466f0137 331#endif /* CONFIG_CMD_IDE */
5c4fa9b4
GB
332
333#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
466f0137
HS
334static void ft_delete_node(void *fdt, const char *compat)
335{
336 int off = -1;
337 int ret;
338
339 off = fdt_node_offset_by_compatible(fdt, -1, compat);
340 if (off < 0) {
341 printf("Could not find %s node.\n", compat);
342 return;
343 }
344
345 ret = fdt_del_node(fdt, off);
346 if (ret < 0)
347 printf("Could not delete %s node.\n", compat);
348}
349#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
350static void ft_adapt_flash_base(void *blob)
351{
352 flash_info_t *dev = &flash_info[0];
353 int off;
354 struct fdt_property *prop;
355 int len;
356 u32 *reg, *reg2;
357
358 off = fdt_node_offset_by_compatible(blob, -1, "fsl,mpc5200b-lpb");
359 if (off < 0) {
360 printf("Could not find fsl,mpc5200b-lpb node.\n");
361 return;
362 }
363
364 /* found compatible property */
365 prop = fdt_get_property_w(blob, off, "ranges", &len);
366 if (prop) {
367 reg = reg2 = (u32 *)&prop->data[0];
368
369 reg[2] = dev->start[0];
370 reg[3] = dev->size;
371 fdt_setprop(blob, off, "ranges", reg2, len);
372 } else
373 printf("Could not find ranges\n");
374}
375
376extern ulong flash_get_size (phys_addr_t base, int banknum);
377
378/* Update the Flash Baseaddr settings */
379int update_flash_size (int flash_size)
380{
381 volatile struct mpc5xxx_mmap_ctl *mm =
382 (struct mpc5xxx_mmap_ctl *) CONFIG_SYS_MBAR;
383 flash_info_t *dev;
384 int i;
385 int size = 0;
386 unsigned long base = 0x0;
387 u32 *cs_reg = (u32 *)&mm->cs0_start;
388
389 for (i = 0; i < 2; i++) {
390 dev = &flash_info[i];
391
392 if (dev->size) {
393 /* calculate new base addr for this chipselect */
394 base -= dev->size;
395 out_be32(cs_reg, START_REG(base));
396 cs_reg++;
397 out_be32(cs_reg, STOP_REG(base, dev->size));
398 cs_reg++;
399 /* recalculate the sectoraddr in the cfi driver */
400 size += flash_get_size(base, i);
401 }
402 }
f3143134 403 flash_protect_default();
466f0137
HS
404 gd->bd->bi_flashstart = base;
405 return 0;
406}
407#endif /* defined(CONFIG_SYS_UPDATE_FLASH_SIZE) */
408
5c4fa9b4
GB
409void ft_board_setup(void *blob, bd_t *bd)
410{
1b41493d
HS
411 int phy_addr = CONFIG_PHY_ADDR;
412 char eth_path[] = "/soc5200@f0000000/mdio@3000/ethernet-phy@0";
413
5c4fa9b4 414 ft_cpu_setup(blob, bd);
466f0137
HS
415 /*
416 * There are 2 RTC nodes in the DTS, so remove
417 * the unneeded node here.
418 */
419#if defined(CONFIG_DIGSY_REV5)
420 ft_delete_node(blob, "dallas,ds1339");
421#else
422 ft_delete_node(blob, "mc,rv3029c2");
423#endif
424#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
927d2cea
HS
425#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
426 /* Update reg property in all nor flash nodes too */
427 fdt_fixup_nor_flash_size(blob);
428#endif
466f0137
HS
429 ft_adapt_flash_base(blob);
430#endif
1b41493d
HS
431 /* fix up the phy address */
432 do_fixup_by_path(blob, eth_path, "reg", &phy_addr, sizeof(int), 0);
5c4fa9b4
GB
433}
434#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */