2 * Copyright 2007-2009 Freescale Semiconductor, Inc.
4 * See file CREDITS for list of people who contributed to this
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.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
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,
26 #include <asm/processor.h>
28 #include <asm/cache.h>
29 #include <asm/immap_85xx.h>
30 #include <asm/fsl_pci.h>
31 #include <asm/fsl_ddr_sdram.h>
35 #include <fdt_support.h>
37 #include <asm/fsl_law.h>
41 #include "../common/pixis.h"
42 #include "../common/sgmii_riser.h"
44 DECLARE_GLOBAL_DATA_PTR;
46 phys_size_t fixed_sdram(void);
51 u8 *pixis_base = (u8 *)PIXIS_BASE;
53 puts("Board: P2020DS ");
54 #ifdef CONFIG_PHYS_64BIT
55 puts("(36-bit addrmap) ");
58 printf("Sys ID: 0x%02x, "
59 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
60 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
61 in_8(pixis_base + PIXIS_PVER));
63 sw7 = in_8(pixis_base + PIXIS_SW(7));
64 switch ((sw7 & PIXIS_SW7_LBMAP) >> 6) {
67 printf ("vBank: %d\n", ((sw7 & PIXIS_SW7_VBANK) >> 4));
78 phys_size_t initdram(int board_type)
80 phys_size_t dram_size = 0;
82 puts("Initializing....");
84 #ifdef CONFIG_SPD_EEPROM
85 dram_size = fsl_ddr_sdram();
87 dram_size = fixed_sdram();
89 if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE,
91 LAW_TRGT_IF_DDR) < 0) {
92 printf("ERROR setting Local Access Windows for DDR\n");
96 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
97 dram_size *= 0x100000;
103 #if !defined(CONFIG_SPD_EEPROM)
105 * Fixed sdram init -- doesn't use serial presence detect.
108 phys_size_t fixed_sdram(void)
110 volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
113 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
114 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
115 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
116 ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
117 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
118 ddr->sdram_md_cntl = CONFIG_SYS_DDR_MODE_CTRL;
119 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
120 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
121 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
122 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
123 ddr->ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CNTL;
124 ddr->ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CNTL;
125 ddr->ddr_cdr1 = CONFIG_SYS_DDR_CDR1;
126 ddr->timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4;
127 ddr->timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5;
129 if (!strcmp("performance", getenv("perf_mode"))) {
130 /* Performance Mode Values */
132 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG_PERF;
133 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS_PERF;
134 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS_PERF;
135 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_PERF;
136 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_PERF;
142 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL_PERF;
144 /* Stable Mode Values */
146 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG;
147 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
148 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS;
149 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
150 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
152 /* ECC will be assumed in stable mode */
153 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
154 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
155 ddr->err_sbe = CONFIG_SYS_DDR_SBE;
161 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
164 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
166 debug("DDR - 1st controller: memory initializing\n");
168 * Poll until memory is initialized.
169 * 512 Meg at 400 might hit this 200 times or so.
171 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
173 debug("DDR: memory initialized\n\n");
178 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
184 static struct pci_controller pcie1_hose;
188 static struct pci_controller pcie2_hose;
192 static struct pci_controller pcie3_hose;
195 int first_free_busno = 0;
198 void pci_init_board(void)
200 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
201 uint devdisr = gur->devdisr;
202 uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
203 uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
205 volatile ccsr_fsl_pci_t *pci;
206 struct pci_controller *hose;
207 int pcie_ep, pcie_configured;
208 struct pci_region *r;
211 debug(" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
212 devdisr, io_sel, host_agent);
214 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
215 printf(" eTSEC2 is in sgmii mode.\n");
216 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
217 printf(" eTSEC3 is in sgmii mode.\n");
220 pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
222 pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_2, host_agent);
223 pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
226 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
227 printf("\n PCIE2 connected to ULI as %s (base addr %x)",
228 pcie_ep ? "End Point" : "Root Complex",
230 if (pci->pme_msg_det) {
231 pci->pme_msg_det = 0xffffffff;
232 debug(" with errors. Clearing. Now 0x%08x",
237 /* outbound memory */
239 CONFIG_SYS_PCIE2_MEM_BUS,
240 CONFIG_SYS_PCIE2_MEM_PHYS,
241 CONFIG_SYS_PCIE2_MEM_SIZE,
246 CONFIG_SYS_PCIE2_IO_BUS,
247 CONFIG_SYS_PCIE2_IO_PHYS,
248 CONFIG_SYS_PCIE2_IO_SIZE,
251 hose->region_count = r - hose->regions;
252 hose->first_busno = first_free_busno;
254 fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
255 first_free_busno = hose->last_busno+1;
256 printf(" PCIE2 on bus %02x - %02x\n",
257 hose->first_busno, hose->last_busno);
260 * The workaround doesn't work on p2020 because the location
261 * we try and read isn't valid on p2020, fix this later
265 * Activate ULI1575 legacy chip by performing a fake
266 * memory access. Needed to make ULI RTC work.
267 * Device 1d has the first on-board memory BAR.
270 pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0),
271 PCI_BASE_ADDRESS_1, &temp32);
272 if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
273 void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
275 debug(" uli1575 read to %p\n", p);
280 printf(" PCIE2: disabled\n");
283 gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
287 pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
289 pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_3, host_agent);
290 pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
293 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
294 printf("\n PCIE3 connected to Slot 1 as %s (base addr %x)",
295 pcie_ep ? "End Point" : "Root Complex",
297 if (pci->pme_msg_det) {
298 pci->pme_msg_det = 0xffffffff;
299 debug(" with errors. Clearing. Now 0x%08x",
304 /* outbound memory */
306 CONFIG_SYS_PCIE3_MEM_BUS,
307 CONFIG_SYS_PCIE3_MEM_PHYS,
308 CONFIG_SYS_PCIE3_MEM_SIZE,
313 CONFIG_SYS_PCIE3_IO_BUS,
314 CONFIG_SYS_PCIE3_IO_PHYS,
315 CONFIG_SYS_PCIE3_IO_SIZE,
318 hose->region_count = r - hose->regions;
319 hose->first_busno = first_free_busno;
321 fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
323 first_free_busno = hose->last_busno+1;
324 printf(" PCIE3 on bus %02x - %02x\n",
325 hose->first_busno, hose->last_busno);
328 printf(" PCIE3: disabled\n");
331 gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
335 pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
337 pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
338 pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
341 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
342 printf("\n PCIE1 connected to Slot 2 as %s (base addr %x)",
343 pcie_ep ? "End Point" : "Root Complex",
345 if (pci->pme_msg_det) {
346 pci->pme_msg_det = 0xffffffff;
347 debug(" with errors. Clearing. Now 0x%08x",
352 /* outbound memory */
354 CONFIG_SYS_PCIE1_MEM_BUS,
355 CONFIG_SYS_PCIE1_MEM_PHYS,
356 CONFIG_SYS_PCIE1_MEM_SIZE,
361 CONFIG_SYS_PCIE1_IO_BUS,
362 CONFIG_SYS_PCIE1_IO_PHYS,
363 CONFIG_SYS_PCIE1_IO_SIZE,
366 hose->region_count = r - hose->regions;
367 hose->first_busno = first_free_busno;
369 fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
371 first_free_busno = hose->last_busno+1;
372 printf(" PCIE1 on bus %02x - %02x\n",
373 hose->first_busno, hose->last_busno);
376 printf(" PCIE1: disabled\n");
379 gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
384 int board_early_init_r(void)
386 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
387 const u8 flash_esel = 2;
390 * Remap Boot flash + PROMJET region to caching-inhibited
391 * so that flash can be erased properly.
394 /* Flush d-cache and invalidate i-cache of any FLASH data */
398 /* invalidate existing TLB entry for flash + promjet */
399 disable_tlb(flash_esel);
401 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
402 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
403 0, flash_esel, BOOKE_PAGESZ_256M, 1);
408 #ifdef CONFIG_GET_CLK_FROM_ICS307
409 /* decode S[0-2] to Output Divider (OD) */
410 static unsigned char ics307_S_to_OD[] = {
411 10, 2, 8, 4, 5, 7, 3, 6
414 /* Calculate frequency being generated by ICS307-02 clock chip based upon
415 * the control bytes being programmed into it. */
416 /* XXX: This function should probably go into a common library */
418 ics307_clk_freq(unsigned char cw0, unsigned char cw1, unsigned char cw2)
420 const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
421 unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
422 unsigned long RDW = cw2 & 0x7F;
423 unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
426 /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */
428 /* cw0: C1 C0 TTL F1 F0 S2 S1 S0
429 * cw1: V8 V7 V6 V5 V4 V3 V2 V1
430 * cw2: V0 R6 R5 R4 R3 R2 R1 R0
432 * R6:R0 = Reference Divider Word (RDW)
433 * V8:V0 = VCO Divider Word (VDW)
434 * S2:S0 = Output Divider Select (OD)
435 * F1:F0 = Function of CLK2 Output
437 * C1:C0 = internal load capacitance for cyrstal
440 /* Adding 1 to get a "nicely" rounded number, but this needs
441 * more tweaking to get a "properly" rounded number. */
443 freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));
445 debug("ICS307: CW[0-2]: %02X %02X %02X => %lu Hz\n", cw0, cw1, cw2,
450 unsigned long get_board_sys_clk(ulong dummy)
455 unsigned long get_board_ddr_clk(ulong dummy)
461 calculate_board_sys_clk(ulong dummy)
464 u8 *pixis_base = (u8 *)PIXIS_BASE;
466 val = ics307_clk_freq(
467 in_8(pixis_base + PIXIS_VSYSCLK0),
468 in_8(pixis_base + PIXIS_VSYSCLK1),
469 in_8(pixis_base + PIXIS_VSYSCLK2));
470 debug("sysclk val = %lu\n", val);
475 calculate_board_ddr_clk(ulong dummy)
478 u8 *pixis_base = (u8 *)PIXIS_BASE;
480 val = ics307_clk_freq(
481 in_8(pixis_base + PIXIS_VDDRCLK0),
482 in_8(pixis_base + PIXIS_VDDRCLK1),
483 in_8(pixis_base + PIXIS_VDDRCLK2));
484 debug("ddrclk val = %lu\n", val);
488 unsigned long get_board_sys_clk(ulong dummy)
492 u8 *pixis_base = (u8 *)PIXIS_BASE;
494 i = in_8(pixis_base + PIXIS_SPD);
527 unsigned long get_board_ddr_clk(ulong dummy)
531 u8 *pixis_base = (u8 *)PIXIS_BASE;
533 i = in_8(pixis_base + PIXIS_SPD);
567 #ifdef CONFIG_TSEC_ENET
568 int board_eth_init(bd_t *bis)
570 struct tsec_info_struct tsec_info[4];
571 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
575 SET_STD_TSEC_INFO(tsec_info[num], 1);
579 SET_STD_TSEC_INFO(tsec_info[num], 2);
580 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
581 tsec_info[num].flags |= TSEC_SGMII;
585 SET_STD_TSEC_INFO(tsec_info[num], 3);
586 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
587 tsec_info[num].flags |= TSEC_SGMII;
592 printf("No TSECs initialized\n");
597 #ifdef CONFIG_FSL_SGMII_RISER
598 fsl_sgmii_riser_init(tsec_info, num);
601 tsec_eth_init(bis, tsec_info, num);
603 return pci_eth_init(bis);
607 #if defined(CONFIG_OF_BOARD_SETUP)
608 void ft_board_setup(void *blob, bd_t *bd)
613 ft_cpu_setup(blob, bd);
615 base = getenv_bootm_low();
616 size = getenv_bootm_size();
618 fdt_fixup_memory(blob, (u64)base, (u64)size);
621 ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
624 ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
627 ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
629 #ifdef CONFIG_FSL_SGMII_RISER
630 fsl_sgmii_riser_fdt_fixup(blob);
636 void board_lmb_reserve(struct lmb *lmb)
638 cpu_mp_lmb_reserve(lmb);