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86xx: Report which "bank" of NOR flash we are booting from on MPC8641HPCN
[people/ms/u-boot.git] / board / freescale / mpc8641hpcn / mpc8641hpcn.c
CommitLineData
debb7354 1/*
3d98b858 2 * Copyright 2006, 2007 Freescale Semiconductor.
debb7354
JL
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
63cec581 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
debb7354
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15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23#include <common.h>
24#include <pci.h>
25#include <asm/processor.h>
26#include <asm/immap_86xx.h>
c8514622 27#include <asm/fsl_pci.h>
6a8e5692 28#include <asm/fsl_ddr_sdram.h>
3d98b858 29#include <asm/io.h>
ea9f7395
JL
30#include <libfdt.h>
31#include <fdt_support.h>
0b252f50 32#include <netdev.h>
debb7354 33
4ce91774 34#include "../common/pixis.h"
4d3d729c 35
4c77de3f 36phys_size_t fixed_sdram(void);
debb7354 37
80e955c7 38int board_early_init_f(void)
debb7354 39{
cb5965fb 40 return 0;
debb7354
JL
41}
42
80e955c7 43int checkboard(void)
debb7354 44{
9af9c6bd
KG
45 u8 vboot;
46 u8 *pixis_base = (u8 *)PIXIS_BASE;
47
48 printf ("Board: MPC8641HPCN, Sys ID: 0x%02x, "
49 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
50 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
51 in_8(pixis_base + PIXIS_PVER));
52
53 vboot = in_8(pixis_base + PIXIS_VBOOT);
54 if (vboot & PIXIS_VBOOT_FMAP)
55 printf ("vBank: %d\n", ((vboot & PIXIS_VBOOT_FBANK) >> 6));
56 else
57 puts ("Promjet\n");
58
2331e18b
BB
59#ifdef CONFIG_PHYS_64BIT
60 printf (" 36-bit physical address map\n");
61#endif
debb7354
JL
62 return 0;
63}
64
65
9973e3c6 66phys_size_t
debb7354
JL
67initdram(int board_type)
68{
4c77de3f 69 phys_size_t dram_size = 0;
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70
71#if defined(CONFIG_SPD_EEPROM)
6a8e5692 72 dram_size = fsl_ddr_sdram();
debb7354 73#else
80e955c7 74 dram_size = fixed_sdram();
debb7354
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75#endif
76
6d0f6bcf 77#if defined(CONFIG_SYS_RAMBOOT)
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78 puts(" DDR: ");
79 return dram_size;
80#endif
cb5965fb 81
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82 puts(" DDR: ");
83 return dram_size;
84}
85
86
debb7354 87#if !defined(CONFIG_SPD_EEPROM)
5c9efb36
JL
88/*
89 * Fixed sdram init -- doesn't use serial presence detect.
90 */
4c77de3f 91phys_size_t
80e955c7 92fixed_sdram(void)
debb7354 93{
6d0f6bcf
JCPV
94#if !defined(CONFIG_SYS_RAMBOOT)
95 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
80e955c7 96 volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
debb7354 97
6d0f6bcf
JCPV
98 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
99 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
100 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
101 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
102 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
103 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
104 ddr->sdram_mode_1 = CONFIG_SYS_DDR_MODE_1;
105 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
106 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
107 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
108 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
109 ddr->sdram_ocd_cntl = CONFIG_SYS_DDR_OCD_CTRL;
110 ddr->sdram_ocd_status = CONFIG_SYS_DDR_OCD_STATUS;
debb7354
JL
111
112#if defined (CONFIG_DDR_ECC)
113 ddr->err_disable = 0x0000008D;
114 ddr->err_sbe = 0x00ff0000;
115#endif
116 asm("sync;isync");
cb5965fb 117
debb7354
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118 udelay(500);
119
120#if defined (CONFIG_DDR_ECC)
121 /* Enable ECC checking */
6d0f6bcf 122 ddr->sdram_cfg_1 = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
debb7354 123#else
6d0f6bcf
JCPV
124 ddr->sdram_cfg_1 = CONFIG_SYS_DDR_CONTROL;
125 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
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126#endif
127 asm("sync; isync");
cb5965fb 128
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129 udelay(500);
130#endif
6d0f6bcf 131 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
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132}
133#endif /* !defined(CONFIG_SPD_EEPROM) */
134
135
136#if defined(CONFIG_PCI)
98693b85 137static struct pci_controller pci1_hose;
80e955c7 138#endif /* CONFIG_PCI */
debb7354 139
63cec581
ES
140#ifdef CONFIG_PCI2
141static struct pci_controller pci2_hose;
142#endif /* CONFIG_PCI2 */
143
144int first_free_busno = 0;
145
80e955c7 146void pci_init_board(void)
debb7354 147{
63cec581
ES
148#ifdef CONFIG_PCI1
149{
6d0f6bcf 150 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
63cec581 151 struct pci_controller *hose = &pci1_hose;
c2083e0e 152 struct pci_region *r = hose->regions;
af5d100e
BB
153 volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
154 volatile ccsr_gur_t *gur = &immap->im_gur;
155 uint devdisr = gur->devdisr;
156 uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
157 >> MPC8641_PORDEVSR_IO_SEL_SHIFT;
c2083e0e 158
63cec581 159#ifdef DEBUG
a551cee9
JL
160 uint host1_agent = (gur->porbmsr & MPC8641_PORBMSR_HA)
161 >> MPC8641_PORBMSR_HA_SHIFT;
63cec581
ES
162 uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
163#endif
164 if ((io_sel == 2 || io_sel == 3 || io_sel == 5
165 || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
166 && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
167 debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
168 debug("0x%08x=0x%08x ", &pci->pme_msg_det, pci->pme_msg_det);
169 if (pci->pme_msg_det) {
170 pci->pme_msg_det = 0xffffffff;
171 debug(" with errors. Clearing. Now 0x%08x",
172 pci->pme_msg_det);
173 }
174 debug("\n");
175
63cec581 176 /* outbound memory */
c2083e0e 177 pci_set_region(r++,
49f46f3b 178 CONFIG_SYS_PCI1_MEM_BUS,
6d0f6bcf
JCPV
179 CONFIG_SYS_PCI1_MEM_PHYS,
180 CONFIG_SYS_PCI1_MEM_SIZE,
63cec581
ES
181 PCI_REGION_MEM);
182
183 /* outbound io */
c2083e0e 184 pci_set_region(r++,
49f46f3b 185 CONFIG_SYS_PCI1_IO_BUS,
6d0f6bcf
JCPV
186 CONFIG_SYS_PCI1_IO_PHYS,
187 CONFIG_SYS_PCI1_IO_SIZE,
63cec581
ES
188 PCI_REGION_IO);
189
2ecca340
BB
190 /* inbound */
191 r += fsl_pci_setup_inbound_windows(r);
192
c2083e0e 193 hose->region_count = r - hose->regions;
63cec581
ES
194
195 hose->first_busno=first_free_busno;
196 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
197
198 fsl_pci_init(hose);
199
200 first_free_busno=hose->last_busno+1;
201 printf (" PCI-EXPRESS 1 on bus %02x - %02x\n",
202 hose->first_busno,hose->last_busno);
203
204 /*
205 * Activate ULI1575 legacy chip by performing a fake
206 * memory access. Needed to make ULI RTC work.
207 */
49f46f3b 208 in_be32((unsigned *) ((char *)(CONFIG_SYS_PCI1_MEM_VIRT
6d0f6bcf 209 + CONFIG_SYS_PCI1_MEM_SIZE - 0x1000000)));
63cec581
ES
210
211 } else {
212 puts("PCI-EXPRESS 1: Disabled\n");
213 }
214}
215#else
216 puts("PCI-EXPRESS1: Disabled\n");
217#endif /* CONFIG_PCI1 */
218
219#ifdef CONFIG_PCI2
220{
6d0f6bcf 221 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR;
63cec581 222 struct pci_controller *hose = &pci2_hose;
c2083e0e 223 struct pci_region *r = hose->regions;
63cec581 224
63cec581 225 /* outbound memory */
c2083e0e 226 pci_set_region(r++,
49f46f3b 227 CONFIG_SYS_PCI2_MEM_BUS,
6d0f6bcf
JCPV
228 CONFIG_SYS_PCI2_MEM_PHYS,
229 CONFIG_SYS_PCI2_MEM_SIZE,
63cec581
ES
230 PCI_REGION_MEM);
231
232 /* outbound io */
c2083e0e 233 pci_set_region(r++,
49f46f3b 234 CONFIG_SYS_PCI2_IO_BUS,
6d0f6bcf
JCPV
235 CONFIG_SYS_PCI2_IO_PHYS,
236 CONFIG_SYS_PCI2_IO_SIZE,
63cec581
ES
237 PCI_REGION_IO);
238
2ecca340
BB
239 /* inbound */
240 r += fsl_pci_setup_inbound_windows(r);
241
c2083e0e 242 hose->region_count = r - hose->regions;
63cec581
ES
243
244 hose->first_busno=first_free_busno;
245 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
246
247 fsl_pci_init(hose);
248
249 first_free_busno=hose->last_busno+1;
250 printf (" PCI-EXPRESS 2 on bus %02x - %02x\n",
251 hose->first_busno,hose->last_busno);
252}
253#else
254 puts("PCI-EXPRESS 2: Disabled\n");
255#endif /* CONFIG_PCI2 */
debb7354 256
debb7354
JL
257}
258
13f5433f 259
ea9f7395 260#if defined(CONFIG_OF_BOARD_SETUP)
debb7354
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261void
262ft_board_setup(void *blob, bd_t *bd)
263{
d52082b1
BB
264 int off;
265 u64 *tmp;
266 u32 *addrcells;
267
13f5433f 268 ft_cpu_setup(blob, bd);
ea9f7395 269
f75e89e9 270#ifdef CONFIG_PCI1
c2083e0e 271 ft_fsl_pci_setup(blob, "pci0", &pci1_hose);
f75e89e9
ES
272#endif
273#ifdef CONFIG_PCI2
c2083e0e 274 ft_fsl_pci_setup(blob, "pci1", &pci2_hose);
f75e89e9 275#endif
d52082b1
BB
276
277 /*
278 * Warn if it looks like the device tree doesn't match u-boot.
279 * This is just an estimation, based on the location of CCSR,
280 * which is defined by the "reg" property in the soc node.
281 */
282 off = fdt_path_offset(blob, "/soc8641");
283 addrcells = (u32 *)fdt_getprop(blob, 0, "#address-cells", NULL);
284 tmp = (u64 *)fdt_getprop(blob, off, "reg", NULL);
285
286 if (tmp) {
287 u64 addr;
3f510db5 288 if (addrcells && (*addrcells == 1))
d52082b1 289 addr = *(u32 *)tmp;
3f510db5
BB
290 else
291 addr = *tmp;
d52082b1
BB
292
293 if (addr != CONFIG_SYS_CCSRBAR_PHYS)
294 printf("WARNING: The CCSRBAR address in your .dts "
295 "does not match the address of the CCSR "
296 "in u-boot. This means your .dts might "
297 "be old.\n");
298 }
debb7354
JL
299}
300#endif
301
debb7354 302
239db37c
HW
303/*
304 * get_board_sys_clk
305 * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
306 */
307
80e955c7
JL
308unsigned long
309get_board_sys_clk(ulong dummy)
239db37c
HW
310{
311 u8 i, go_bit, rd_clks;
312 ulong val = 0;
313
314 go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
315 go_bit &= 0x01;
316
317 rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
318 rd_clks &= 0x1C;
319
320 /*
321 * Only if both go bit and the SCLK bit in VCFGEN0 are set
322 * should we be using the AUX register. Remember, we also set the
323 * GO bit to boot from the alternate bank on the on-board flash
324 */
325
326 if (go_bit) {
327 if (rd_clks == 0x1c)
328 i = in8(PIXIS_BASE + PIXIS_AUX);
329 else
330 i = in8(PIXIS_BASE + PIXIS_SPD);
331 } else {
332 i = in8(PIXIS_BASE + PIXIS_SPD);
333 }
334
335 i &= 0x07;
336
337 switch (i) {
338 case 0:
339 val = 33000000;
340 break;
341 case 1:
342 val = 40000000;
343 break;
344 case 2:
345 val = 50000000;
346 break;
347 case 3:
348 val = 66000000;
349 break;
350 case 4:
351 val = 83000000;
352 break;
353 case 5:
354 val = 100000000;
355 break;
356 case 6:
357 val = 134000000;
358 break;
359 case 7:
360 val = 166000000;
361 break;
362 }
363
364 return val;
365}
0b252f50
BW
366
367int board_eth_init(bd_t *bis)
368{
369 /* Initialize TSECs */
370 cpu_eth_init(bis);
371 return pci_eth_init(bis);
372}
4ef630df
PT
373
374void board_reset(void)
375{
376 out8(PIXIS_BASE + PIXIS_RST, 0);
377
378 while (1)
379 ;
380}
f6ef8b7a 381
7649a590 382#ifdef CONFIG_MP
f6ef8b7a
BB
383extern void cpu_mp_lmb_reserve(struct lmb *lmb);
384
385void board_lmb_reserve(struct lmb *lmb)
386{
387 cpu_mp_lmb_reserve(lmb);
388}
389#endif