1 /*
2  * Copyright 2007-2010 Freescale Semiconductor, Inc.
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
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
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 <command.h>
25 #include <pci.h>
26 #include <asm/processor.h>
27 #include <asm/mmu.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>
32 #include <asm/io.h>
33 #include <miiphy.h>
34 #include <libfdt.h>
35 #include <fdt_support.h>
36 #include <tsec.h>
37 #include <netdev.h>
38 
39 #include "../common/sgmii_riser.h"
40 
41 long int fixed_sdram(void);
42 
43 int checkboard (void)
44 {
45 	u8 vboot;
46 	u8 *pixis_base = (u8 *)PIXIS_BASE;
47 
48 	puts ("Board: MPC8572DS ");
49 #ifdef CONFIG_PHYS_64BIT
50 	puts ("(36-bit addrmap) ");
51 #endif
52 	printf ("Sys ID: 0x%02x, "
53 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
54 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
55 		in_8(pixis_base + PIXIS_PVER));
56 
57 	vboot = in_8(pixis_base + PIXIS_VBOOT);
58 	switch ((vboot & PIXIS_VBOOT_LBMAP) >> 6) {
59 		case PIXIS_VBOOT_LBMAP_NOR0:
60 			puts ("vBank: 0\n");
61 			break;
62 		case PIXIS_VBOOT_LBMAP_PJET:
63 			puts ("Promjet\n");
64 			break;
65 		case PIXIS_VBOOT_LBMAP_NAND:
66 			puts ("NAND\n");
67 			break;
68 		case PIXIS_VBOOT_LBMAP_NOR1:
69 			puts ("vBank: 1\n");
70 			break;
71 	}
72 
73 	return 0;
74 }
75 
76 phys_size_t initdram(int board_type)
77 {
78 	phys_size_t dram_size = 0;
79 
80 	puts("Initializing....");
81 
82 #ifdef CONFIG_SPD_EEPROM
83 	dram_size = fsl_ddr_sdram();
84 #else
85 	dram_size = fixed_sdram();
86 #endif
87 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
88 	dram_size *= 0x100000;
89 
90 	puts("    DDR: ");
91 	return dram_size;
92 }
93 
94 #if !defined(CONFIG_SPD_EEPROM)
95 /*
96  * Fixed sdram init -- doesn't use serial presence detect.
97  */
98 
99 phys_size_t fixed_sdram (void)
100 {
101 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
102 	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
103 	uint d_init;
104 
105 	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
106 	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
107 
108 	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
109 	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
110 	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
111 	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
112 	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
113 	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
114 	ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
115 	ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
116 	ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
117 	ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
118 
119 #if defined (CONFIG_DDR_ECC)
120 	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
121 	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
122 	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
123 #endif
124 	asm("sync;isync");
125 
126 	udelay(500);
127 
128 	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
129 
130 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
131 	d_init = 1;
132 	debug("DDR - 1st controller: memory initializing\n");
133 	/*
134 	 * Poll until memory is initialized.
135 	 * 512 Meg at 400 might hit this 200 times or so.
136 	 */
137 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
138 		udelay(1000);
139 	}
140 	debug("DDR: memory initialized\n\n");
141 	asm("sync; isync");
142 	udelay(500);
143 #endif
144 
145 	return 512 * 1024 * 1024;
146 }
147 
148 #endif
149 
150 #ifdef CONFIG_PCIE1
151 static struct pci_controller pcie1_hose;
152 #endif
153 
154 #ifdef CONFIG_PCIE2
155 static struct pci_controller pcie2_hose;
156 #endif
157 
158 #ifdef CONFIG_PCIE3
159 static struct pci_controller pcie3_hose;
160 #endif
161 
162 #ifdef CONFIG_PCI
163 void pci_init_board(void)
164 {
165 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
166 	struct fsl_pci_info pci_info[3];
167 	u32 devdisr, pordevsr, io_sel, temp32;
168 	int first_free_busno = 0;
169 	int num = 0;
170 
171 	int pcie_ep, pcie_configured;
172 
173 	devdisr = in_be32(&gur->devdisr);
174 	pordevsr = in_be32(&gur->pordevsr);
175 	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
176 
177 	debug ("   pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
178 
179 	if (!(pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
180 		printf ("    eTSEC1 is in sgmii mode.\n");
181 	if (!(pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
182 		printf ("    eTSEC2 is in sgmii mode.\n");
183 	if (!(pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
184 		printf ("    eTSEC3 is in sgmii mode.\n");
185 	if (!(pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
186 		printf ("    eTSEC4 is in sgmii mode.\n");
187 
188 	puts("\n");
189 #ifdef CONFIG_PCIE3
190 	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
191 
192 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
193 		SET_STD_PCIE_INFO(pci_info[num], 3);
194 		pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info[num].regs);
195 		printf ("    PCIE3 connected to ULI as %s (base addr %lx)\n",
196 				pcie_ep ? "Endpoint" : "Root Complex",
197 				pci_info[num].regs);
198 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
199 					&pcie3_hose, first_free_busno);
200 		/*
201 		 * Activate ULI1575 legacy chip by performing a fake
202 		 * memory access.  Needed to make ULI RTC work.
203 		 * Device 1d has the first on-board memory BAR.
204 		 */
205 		pci_hose_read_config_dword(&pcie3_hose, PCI_BDF(2, 0x1d, 0),
206 				PCI_BASE_ADDRESS_1, &temp32);
207 		if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
208 			void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
209 					temp32, 4, 0);
210 			debug(" uli1572 read to %p\n", p);
211 			in_be32(p);
212 		}
213 	} else {
214 		printf ("    PCIE3: disabled\n");
215 	}
216 	puts("\n");
217 #else
218 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
219 #endif
220 
221 #ifdef CONFIG_PCIE2
222 	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
223 
224 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
225 		SET_STD_PCIE_INFO(pci_info[num], 2);
226 		pcie_ep = fsl_setup_hose(&pcie2_hose, pci_info[num].regs);
227 		printf ("    PCIE2 connected to Slot 1 as %s (base addr %lx)\n",
228 				pcie_ep ? "Endpoint" : "Root Complex",
229 				pci_info[num].regs);
230 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
231 					&pcie2_hose, first_free_busno);
232 	} else {
233 		printf ("    PCIE2: disabled\n");
234 	}
235 
236 	puts("\n");
237 #else
238 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE2); /* disable */
239 #endif
240 
241 #ifdef CONFIG_PCIE1
242 	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
243 
244 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
245 		SET_STD_PCIE_INFO(pci_info[num], 1);
246 		pcie_ep = fsl_setup_hose(&pcie1_hose, pci_info[num].regs);
247 		printf ("    PCIE1 connected to Slot 2 as %s (base addr %lx)\n",
248 				pcie_ep ? "Endpoint" : "Root Complex",
249 				pci_info[num].regs);
250 		first_free_busno = fsl_pci_init_port(&pci_info[num++],
251 					&pcie1_hose, first_free_busno);
252 	} else {
253 		printf ("    PCIE1: disabled\n");
254 	}
255 
256 	puts("\n");
257 #else
258 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
259 #endif
260 }
261 #endif
262 
263 int board_early_init_r(void)
264 {
265 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
266 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
267 
268 	/*
269 	 * Remap Boot flash + PROMJET region to caching-inhibited
270 	 * so that flash can be erased properly.
271 	 */
272 
273 	/* Flush d-cache and invalidate i-cache of any FLASH data */
274 	flush_dcache();
275 	invalidate_icache();
276 
277 	/* invalidate existing TLB entry for flash + promjet */
278 	disable_tlb(flash_esel);
279 
280 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
281 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
282 			0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
283 
284 	return 0;
285 }
286 
287 #ifdef CONFIG_TSEC_ENET
288 int board_eth_init(bd_t *bis)
289 {
290 	struct tsec_info_struct tsec_info[4];
291 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
292 	int num = 0;
293 
294 #ifdef CONFIG_TSEC1
295 	SET_STD_TSEC_INFO(tsec_info[num], 1);
296 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
297 		tsec_info[num].flags |= TSEC_SGMII;
298 	num++;
299 #endif
300 #ifdef CONFIG_TSEC2
301 	SET_STD_TSEC_INFO(tsec_info[num], 2);
302 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
303 		tsec_info[num].flags |= TSEC_SGMII;
304 	num++;
305 #endif
306 #ifdef CONFIG_TSEC3
307 	SET_STD_TSEC_INFO(tsec_info[num], 3);
308 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
309 		tsec_info[num].flags |= TSEC_SGMII;
310 	num++;
311 #endif
312 #ifdef CONFIG_TSEC4
313 	SET_STD_TSEC_INFO(tsec_info[num], 4);
314 	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
315 		tsec_info[num].flags |= TSEC_SGMII;
316 	num++;
317 #endif
318 
319 	if (!num) {
320 		printf("No TSECs initialized\n");
321 
322 		return 0;
323 	}
324 
325 #ifdef CONFIG_FSL_SGMII_RISER
326 	fsl_sgmii_riser_init(tsec_info, num);
327 #endif
328 
329 	tsec_eth_init(bis, tsec_info, num);
330 
331 	return pci_eth_init(bis);
332 }
333 #endif
334 
335 #if defined(CONFIG_OF_BOARD_SETUP)
336 void ft_board_setup(void *blob, bd_t *bd)
337 {
338 	phys_addr_t base;
339 	phys_size_t size;
340 
341 	ft_cpu_setup(blob, bd);
342 
343 	base = getenv_bootm_low();
344 	size = getenv_bootm_size();
345 
346 	fdt_fixup_memory(blob, (u64)base, (u64)size);
347 
348 	FT_FSL_PCI_SETUP;
349 
350 #ifdef CONFIG_FSL_SGMII_RISER
351 	fsl_sgmii_riser_fdt_fixup(blob);
352 #endif
353 }
354 #endif
355 
356 #ifdef CONFIG_MP
357 extern void cpu_mp_lmb_reserve(struct lmb *lmb);
358 
359 void board_lmb_reserve(struct lmb *lmb)
360 {
361 	cpu_mp_lmb_reserve(lmb);
362 }
363 #endif
364