2 * Copyright 2007-2011 Freescale Semiconductor, Inc.
4 * (C) Copyright 2003 Motorola Inc.
5 * Modified by Xianghua Xiao, X.Xiao@motorola.com
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10 * See file CREDITS for list of people who contributed to this
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 #include <asm/processor.h>
36 #include <asm/cache.h>
38 #include <asm/fsl_law.h>
39 #include <asm/fsl_serdes.h>
40 #include <asm/fsl_srio.h>
42 #include <linux/compiler.h>
44 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
49 #include "../../../../drivers/block/fsl_sata.h"
51 DECLARE_GLOBAL_DATA_PTR
;
54 extern qe_iop_conf_t qe_iop_conf_tab
[];
55 extern void qe_config_iopin(u8 port
, u8 pin
, int dir
,
56 int open_drain
, int assign
);
57 extern void qe_init(uint qe_base
);
58 extern void qe_reset(void);
60 static void config_qe_ioports(void)
63 int dir
, open_drain
, assign
;
66 for (i
= 0; qe_iop_conf_tab
[i
].assign
!= QE_IOP_TAB_END
; i
++) {
67 port
= qe_iop_conf_tab
[i
].port
;
68 pin
= qe_iop_conf_tab
[i
].pin
;
69 dir
= qe_iop_conf_tab
[i
].dir
;
70 open_drain
= qe_iop_conf_tab
[i
].open_drain
;
71 assign
= qe_iop_conf_tab
[i
].assign
;
72 qe_config_iopin(port
, pin
, dir
, open_drain
, assign
);
78 void config_8560_ioports (volatile ccsr_cpm_t
* cpm
)
82 for (portnum
= 0; portnum
< 4; portnum
++) {
89 iop_conf_t
*iopc
= (iop_conf_t
*) & iop_conf_tab
[portnum
][0];
90 iop_conf_t
*eiopc
= iopc
+ 32;
95 * index 0 refers to pin 31,
96 * index 31 refers to pin 0
98 while (iopc
< eiopc
) {
118 volatile ioport_t
*iop
= ioport_addr (cpm
, portnum
);
122 * the (somewhat confused) paragraph at the
123 * bottom of page 35-5 warns that there might
124 * be "unknown behaviour" when programming
125 * PSORx and PDIRx, if PPARx = 1, so I
126 * decided this meant I had to disable the
127 * dedicated function first, and enable it
131 iop
->psor
= (iop
->psor
& tpmsk
) | psor
;
132 iop
->podr
= (iop
->podr
& tpmsk
) | podr
;
133 iop
->pdat
= (iop
->pdat
& tpmsk
) | pdat
;
134 iop
->pdir
= (iop
->pdir
& tpmsk
) | pdir
;
141 #ifdef CONFIG_SYS_FSL_CPC
142 static void enable_cpc(void)
147 cpc_corenet_t
*cpc
= (cpc_corenet_t
*)CONFIG_SYS_FSL_CPC_ADDR
;
149 for (i
= 0; i
< CONFIG_SYS_NUM_CPC
; i
++, cpc
++) {
150 u32 cpccfg0
= in_be32(&cpc
->cpccfg0
);
151 size
+= CPC_CFG0_SZ_K(cpccfg0
);
152 #ifdef CONFIG_RAMBOOT_PBL
153 if (in_be32(&cpc
->cpcsrcr0
) & CPC_SRCR0_SRAMEN
) {
154 /* find and disable LAW of SRAM */
155 struct law_entry law
= find_law(CONFIG_SYS_INIT_L3_ADDR
);
157 if (law
.index
== -1) {
158 printf("\nFatal error happened\n");
161 disable_law(law
.index
);
163 clrbits_be32(&cpc
->cpchdbcr0
, CPC_HDBCR0_CDQ_SPEC_DIS
);
164 out_be32(&cpc
->cpccsr0
, 0);
165 out_be32(&cpc
->cpcsrcr0
, 0);
169 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
170 setbits_be32(&cpc
->cpchdbcr0
, CPC_HDBCR0_TAG_ECC_SCRUB_DIS
);
172 #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003
173 setbits_be32(&cpc
->cpchdbcr0
, CPC_HDBCR0_DATA_ECC_SCRUB_DIS
);
176 out_be32(&cpc
->cpccsr0
, CPC_CSR0_CE
| CPC_CSR0_PE
);
177 /* Read back to sync write */
178 in_be32(&cpc
->cpccsr0
);
182 printf("Corenet Platform Cache: %d KB enabled\n", size
);
185 static void invalidate_cpc(void)
188 cpc_corenet_t
*cpc
= (cpc_corenet_t
*)CONFIG_SYS_FSL_CPC_ADDR
;
190 for (i
= 0; i
< CONFIG_SYS_NUM_CPC
; i
++, cpc
++) {
191 /* skip CPC when it used as all SRAM */
192 if (in_be32(&cpc
->cpcsrcr0
) & CPC_SRCR0_SRAMEN
)
194 /* Flash invalidate the CPC and clear all the locks */
195 out_be32(&cpc
->cpccsr0
, CPC_CSR0_FI
| CPC_CSR0_LFC
);
196 while (in_be32(&cpc
->cpccsr0
) & (CPC_CSR0_FI
| CPC_CSR0_LFC
))
202 #define invalidate_cpc()
203 #endif /* CONFIG_SYS_FSL_CPC */
206 * Breathe some life into the CPU...
208 * Set up the memory map
209 * initialize a bunch of registers
212 #ifdef CONFIG_FSL_CORENET
213 static void corenet_tb_init(void)
215 volatile ccsr_rcpm_t
*rcpm
=
216 (void *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR
);
217 volatile ccsr_pic_t
*pic
=
218 (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR
);
219 u32 whoami
= in_be32(&pic
->whoami
);
221 /* Enable the timebase register for this core */
222 out_be32(&rcpm
->ctbenrl
, (1 << whoami
));
226 void cpu_init_f (void)
228 extern void m8560_cpm_reset (void);
229 #ifdef CONFIG_SYS_DCSRBAR_PHYS
230 ccsr_gur_t
*gur
= (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR
);
232 #if defined(CONFIG_SECURE_BOOT)
233 struct law_entry law
;
235 #ifdef CONFIG_MPC8548
236 ccsr_local_ecm_t
*ecm
= (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR
);
237 uint svr
= get_svr();
240 * CPU2 errata workaround: A core hang possible while executing
241 * a msync instruction and a snoopable transaction from an I/O
242 * master tagged to make quick forward progress is present.
243 * Fixed in silicon rev 2.1.
245 if ((SVR_MAJ(svr
) == 1) || ((SVR_MAJ(svr
) == 2 && SVR_MIN(svr
) == 0x0)))
246 out_be32(&ecm
->eebpcr
, in_be32(&ecm
->eebpcr
) | (1 << 16));
252 #if defined(CONFIG_SECURE_BOOT)
253 /* Disable the LAW created for NOR flash by the PBI commands */
254 law
= find_law(CONFIG_SYS_PBI_FLASH_BASE
);
256 disable_law(law
.index
);
260 config_8560_ioports((ccsr_cpm_t
*)CONFIG_SYS_MPC85xx_CPM_ADDR
);
263 init_early_memctl_regs();
265 #if defined(CONFIG_CPM2)
269 /* Config QE ioports */
272 #if defined(CONFIG_FSL_DMA)
275 #ifdef CONFIG_FSL_CORENET
278 init_used_tlb_cams();
280 /* Invalidate the CPC before DDR gets enabled */
283 #ifdef CONFIG_SYS_DCSRBAR_PHYS
284 /* set DCSRCR so that DCSR space is 1G */
285 setbits_be32(&gur
->dcsrcr
, FSL_CORENET_DCSR_SZ_1G
);
286 in_be32(&gur
->dcsrcr
);
291 /* Implement a dummy function for those platforms w/o SERDES */
292 static void __fsl_serdes__init(void)
296 __attribute__((weak
, alias("__fsl_serdes__init"))) void fsl_serdes_init(void);
298 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
299 int enable_cluster_l2(void)
303 ccsr_gur_t
*gur
= (void __iomem
*)(CONFIG_SYS_MPC85xx_GUTS_ADDR
);
304 struct ccsr_cluster_l2 __iomem
*l2cache
;
306 cluster
= in_be32(&gur
->tp_cluster
[i
].lower
);
307 if (cluster
& TP_CLUSTER_EOC
)
310 /* The first cache has already been set up, so skip it */
313 /* Look through the remaining clusters, and set up their caches */
315 l2cache
= (void __iomem
*)(CONFIG_SYS_FSL_CLUSTER_1_L2
+ i
* 0x40000);
316 cluster
= in_be32(&gur
->tp_cluster
[i
].lower
);
318 /* set stash ID to (cluster) * 2 + 32 + 1 */
319 clrsetbits_be32(&l2cache
->l2csr1
, 0xff, 32 + i
* 2 + 1);
321 printf("enable l2 for cluster %d %p\n", i
, l2cache
);
323 out_be32(&l2cache
->l2csr0
, L2CSR0_L2FI
|L2CSR0_L2LFC
);
324 while ((in_be32(&l2cache
->l2csr0
) &
325 (L2CSR0_L2FI
|L2CSR0_L2LFC
)) != 0)
327 out_be32(&l2cache
->l2csr0
, L2CSR0_L2E
);
329 } while (!(cluster
& TP_CLUSTER_EOC
));
336 * Initialize L2 as cache.
338 * The newer 8548, etc, parts have twice as much cache, but
339 * use the same bit-encoding as the older 8555, etc, parts.
344 __maybe_unused u32 svr
= get_svr();
345 #ifdef CONFIG_SYS_LBC_LCRR
346 fsl_lbc_t
*lbc
= (void __iomem
*)LBC_BASE_ADDR
;
348 #ifdef CONFIG_L2_CACHE
349 ccsr_l2cache_t
*l2cache
= (void __iomem
*)CONFIG_SYS_MPC85xx_L2_ADDR
;
350 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
351 struct ccsr_cluster_l2
* l2cache
= (void __iomem
*)CONFIG_SYS_FSL_CLUSTER_1_L2
;
354 #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \
355 defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011)
357 * CPU22 and NMG_CPU_A011 share the same workaround.
358 * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0
359 * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
360 * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1, both
361 * fixed in 2.0. NMG_CPU_A011 is activated by default and can
362 * be disabled by hwconfig with syntax:
364 * fsl_cpu_a011:disable
366 extern int enable_cpu_a011_workaround
;
367 #ifdef CONFIG_SYS_P4080_ERRATUM_CPU22
368 enable_cpu_a011_workaround
= (SVR_MAJ(svr
) < 3);
370 char buffer
[HWCONFIG_BUFFER_SIZE
];
374 n
= getenv_f("hwconfig", buffer
, sizeof(buffer
));
378 res
= hwconfig_arg_cmp_f("fsl_cpu_a011", "disable", buf
);
380 enable_cpu_a011_workaround
= 0;
382 if (n
>= HWCONFIG_BUFFER_SIZE
) {
383 printf("fsl_cpu_a011 was not found. hwconfig variable "
384 "may be too long\n");
386 enable_cpu_a011_workaround
=
387 (SVR_SOC_VER(svr
) == SVR_P4080
&& SVR_MAJ(svr
) < 3) ||
388 (SVR_SOC_VER(svr
) != SVR_P4080
&& SVR_MAJ(svr
) < 2);
391 if (enable_cpu_a011_workaround
) {
393 mtspr(L1CSR2
, (mfspr(L1CSR2
) | L1CSR2_DCWS
));
400 #if defined(CONFIG_L2_CACHE)
401 volatile uint cache_ctl
;
405 ver
= SVR_SOC_VER(svr
);
408 cache_ctl
= l2cache
->l2ctl
;
410 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
411 if (cache_ctl
& MPC85xx_L2CTL_L2E
) {
412 /* Clear L2 SRAM memory-mapped base address */
413 out_be32(&l2cache
->l2srbar0
, 0x0);
414 out_be32(&l2cache
->l2srbar1
, 0x0);
416 /* set MBECCDIS=0, SBECCDIS=0 */
417 clrbits_be32(&l2cache
->l2errdis
,
418 (MPC85xx_L2ERRDIS_MBECC
|
419 MPC85xx_L2ERRDIS_SBECC
));
421 /* set L2E=0, L2SRAM=0 */
422 clrbits_be32(&l2cache
->l2ctl
,
424 MPC85xx_L2CTL_L2SRAM_ENTIRE
));
428 l2siz_field
= (cache_ctl
>> 28) & 0x3;
430 switch (l2siz_field
) {
432 printf(" unknown size (0x%08x)\n", cache_ctl
);
436 if (ver
== SVR_8540
|| ver
== SVR_8560
||
437 ver
== SVR_8541
|| ver
== SVR_8555
) {
439 /* set L2E=1, L2I=1, & L2BLKSZ=1 (128 Kbyte) */
440 cache_ctl
= 0xc4000000;
443 cache_ctl
= 0xc0000000; /* set L2E=1, L2I=1, & L2SRAM=0 */
447 if (ver
== SVR_8540
|| ver
== SVR_8560
||
448 ver
== SVR_8541
|| ver
== SVR_8555
) {
450 /* set L2E=1, L2I=1, & L2BLKSZ=2 (256 Kbyte) */
451 cache_ctl
= 0xc8000000;
454 /* set L2E=1, L2I=1, & L2SRAM=0 */
455 cache_ctl
= 0xc0000000;
460 /* set L2E=1, L2I=1, & L2SRAM=0 */
461 cache_ctl
= 0xc0000000;
465 if (l2cache
->l2ctl
& MPC85xx_L2CTL_L2E
) {
466 puts("already enabled");
467 #if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE)
468 u32 l2srbar
= l2cache
->l2srbar0
;
469 if (l2cache
->l2ctl
& MPC85xx_L2CTL_L2SRAM_ENTIRE
470 && l2srbar
>= CONFIG_SYS_FLASH_BASE
) {
471 l2srbar
= CONFIG_SYS_INIT_L2_ADDR
;
472 l2cache
->l2srbar0
= l2srbar
;
473 printf("moving to 0x%08x", CONFIG_SYS_INIT_L2_ADDR
);
475 #endif /* CONFIG_SYS_INIT_L2_ADDR */
479 l2cache
->l2ctl
= cache_ctl
; /* invalidate & enable */
483 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
484 if (SVR_SOC_VER(svr
) == SVR_P2040
) {
489 u32 l2cfg0
= mfspr(SPRN_L2CFG0
);
491 /* invalidate the L2 cache */
492 mtspr(SPRN_L2CSR0
, (L2CSR0_L2FI
|L2CSR0_L2LFC
));
493 while (mfspr(SPRN_L2CSR0
) & (L2CSR0_L2FI
|L2CSR0_L2LFC
))
496 #ifdef CONFIG_SYS_CACHE_STASHING
497 /* set stash id to (coreID) * 2 + 32 + L2 (1) */
498 mtspr(SPRN_L2CSR1
, (32 + 1));
501 /* enable the cache */
502 mtspr(SPRN_L2CSR0
, CONFIG_SYS_INIT_L2CSR0
);
504 if (CONFIG_SYS_INIT_L2CSR0
& L2CSR0_L2E
) {
505 while (!(mfspr(SPRN_L2CSR0
) & L2CSR0_L2E
))
507 printf("%d KB enabled\n", (l2cfg0
& 0x3fff) * 64);
511 #elif defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
512 if (l2cache
->l2csr0
& L2CSR0_L2E
)
513 printf("%d KB enabled\n", (l2cache
->l2cfg0
& 0x3fff) * 64);
522 /* needs to be in ram since code uses global static vars */
525 #ifdef CONFIG_SYS_SRIO
527 #ifdef CONFIG_SYS_FSL_SRIO_PCIE_BOOT_MASTER
528 char *s
= getenv("bootmaster");
530 if (!strcmp(s
, "SRIO1")) {
532 srio_boot_master_release_slave(1);
534 if (!strcmp(s
, "SRIO2")) {
536 srio_boot_master_release_slave(2);
542 #if defined(CONFIG_MP)
546 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13
548 if (SVR_MAJ(svr
) < 3) {
550 p
= (void *)CONFIG_SYS_DCSRBAR
+ 0x20520;
551 setbits_be32(p
, 1 << (31 - 14));
556 #ifdef CONFIG_SYS_LBC_LCRR
558 * Modify the CLKDIV field of LCRR register to improve the writing
559 * speed for NOR flash.
561 clrsetbits_be32(&lbc
->lcrr
, LCRR_CLKDIV
, CONFIG_SYS_LBC_LCRR
);
562 __raw_readl(&lbc
->lcrr
);
564 #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
569 #ifdef CONFIG_SYS_FSL_USB1_PHY_ENABLE
571 ccsr_usb_phy_t
*usb_phy1
=
572 (void *)CONFIG_SYS_MPC85xx_USB1_PHY_ADDR
;
573 out_be32(&usb_phy1
->usb_enable_override
,
574 CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE
);
577 #ifdef CONFIG_SYS_FSL_USB2_PHY_ENABLE
579 ccsr_usb_phy_t
*usb_phy2
=
580 (void *)CONFIG_SYS_MPC85xx_USB2_PHY_ADDR
;
581 out_be32(&usb_phy2
->usb_enable_override
,
582 CONFIG_SYS_FSL_USB_ENABLE_OVERRIDE
);
586 #ifdef CONFIG_FMAN_ENET
590 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001)
592 * For P1022/1013 Rev1.0 silicon, after power on SATA host
593 * controller is configured in legacy mode instead of the
594 * expected enterprise mode. Software needs to clear bit[28]
595 * of HControl register to change to enterprise mode from
596 * legacy mode. We assume that the controller is offline.
598 if (IS_SVR_REV(svr
, 1, 0) &&
599 ((SVR_SOC_VER(svr
) == SVR_P1022
) ||
600 (SVR_SOC_VER(svr
) == SVR_P1013
))) {
603 /* first SATA controller */
604 reg
= (void *)CONFIG_SYS_MPC85xx_SATA1_ADDR
;
605 clrbits_le32(®
->hcontrol
, HCONTROL_ENTERPRISE_EN
);
607 /* second SATA controller */
608 reg
= (void *)CONFIG_SYS_MPC85xx_SATA2_ADDR
;
609 clrbits_le32(®
->hcontrol
, HCONTROL_ENTERPRISE_EN
);
617 extern void setup_ivors(void);
619 void arch_preboot_os(void)
624 * We are changing interrupt offsets and are about to boot the OS so
625 * we need to make sure we disable all async interrupts. EE is already
626 * disabled by the time we get called.
629 msr
&= ~(MSR_ME
|MSR_CE
);
635 #if defined(CONFIG_CMD_SATA) && defined(CONFIG_FSL_SATA)
636 int sata_initialize(void)
638 if (is_serdes_configured(SATA1
) || is_serdes_configured(SATA2
))
639 return __sata_initialize();
645 void cpu_secondary_init_r(void)
648 uint qe_base
= CONFIG_SYS_IMMR
+ 0x00080000; /* QE immr base */
649 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
651 size_t fw_length
= CONFIG_SYS_QE_FMAN_FW_LENGTH
;
653 /* load QE firmware from NAND flash to DDR first */
654 ret
= nand_read(&nand_info
[0], (loff_t
)CONFIG_SYS_QE_FMAN_FW_IN_NAND
,
655 &fw_length
, (u_char
*)CONFIG_SYS_QE_FMAN_FW_ADDR
);
657 if (ret
&& ret
== -EUCLEAN
) {
658 printf ("NAND read for QE firmware at offset %x failed %d\n",
659 CONFIG_SYS_QE_FMAN_FW_IN_NAND
, ret
);