1 /*
2  * Copyright 2008-2010, 2011 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 <asm/fsl_serdes.h>
34 #include <spd.h>
35 #include <miiphy.h>
36 #include <libfdt.h>
37 #include <spd_sdram.h>
38 #include <fdt_support.h>
39 #include <fsl_mdio.h>
40 #include <tsec.h>
41 #include <netdev.h>
42 #include <sata.h>
43 
44 #include "../common/sgmii_riser.h"
45 
46 int board_early_init_f (void)
47 {
48 #ifdef CONFIG_MMC
49 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
50 
51 	setbits_be32(&gur->pmuxcr,
52 			(MPC85xx_PMUXCR_SDHC_CD |
53 			 MPC85xx_PMUXCR_SDHC_WP));
54 
55 	/* The MPC8536DS board insert the SDHC_WP pin for erratum NMG_eSDHC118,
56 	 * however, this erratum only applies to MPC8536 Rev1.0.
57 	 * So set SDHC_WP to active-low when use MPC8536 Rev1.1 and greater.*/
58 	if ((((SVR_MAJ(get_svr()) & 0x7) == 0x1) &&
59 			(SVR_MIN(get_svr()) >= 0x1))
60 			|| (SVR_MAJ(get_svr() & 0x7) > 0x1))
61 		setbits_be32(&gur->gencfgr, MPC85xx_GENCFGR_SDHC_WP_INV);
62 #endif
63 	return 0;
64 }
65 
66 int checkboard (void)
67 {
68 	u8 vboot;
69 	u8 *pixis_base = (u8 *)PIXIS_BASE;
70 
71 	puts("Board: MPC8536DS ");
72 #ifdef CONFIG_PHYS_64BIT
73 	puts("(36-bit addrmap) ");
74 #endif
75 
76 	printf ("Sys ID: 0x%02x, "
77 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
78 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
79 		in_8(pixis_base + PIXIS_PVER));
80 
81 	vboot = in_8(pixis_base + PIXIS_VBOOT);
82 	switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) {
83 		case PIXIS_VBOOT_LBMAP_NOR0:
84 			puts ("vBank: 0\n");
85 			break;
86 		case PIXIS_VBOOT_LBMAP_NOR1:
87 			puts ("vBank: 1\n");
88 			break;
89 		case PIXIS_VBOOT_LBMAP_NOR2:
90 			puts ("vBank: 2\n");
91 			break;
92 		case PIXIS_VBOOT_LBMAP_NOR3:
93 			puts ("vBank: 3\n");
94 			break;
95 		case PIXIS_VBOOT_LBMAP_PJET:
96 			puts ("Promjet\n");
97 			break;
98 		case PIXIS_VBOOT_LBMAP_NAND:
99 			puts ("NAND\n");
100 			break;
101 	}
102 
103 	return 0;
104 }
105 
106 #if !defined(CONFIG_SPD_EEPROM)
107 /*
108  * Fixed sdram init -- doesn't use serial presence detect.
109  */
110 
111 phys_size_t fixed_sdram (void)
112 {
113 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
114 	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
115 	uint d_init;
116 
117 	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
118 	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
119 
120 	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
121 	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
122 	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
123 	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
124 	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
125 	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
126 	ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
127 	ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
128 	ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
129 	ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
130 
131 #if defined (CONFIG_DDR_ECC)
132 	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
133 	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
134 	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
135 #endif
136 	asm("sync;isync");
137 
138 	udelay(500);
139 
140 	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
141 
142 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
143 	d_init = 1;
144 	debug("DDR - 1st controller: memory initializing\n");
145 	/*
146 	 * Poll until memory is initialized.
147 	 * 512 Meg at 400 might hit this 200 times or so.
148 	 */
149 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
150 		udelay(1000);
151 	}
152 	debug("DDR: memory initialized\n\n");
153 	asm("sync; isync");
154 	udelay(500);
155 #endif
156 
157 	return 512 * 1024 * 1024;
158 }
159 
160 #endif
161 
162 #ifdef CONFIG_PCI1
163 static struct pci_controller pci1_hose;
164 #endif
165 
166 #ifdef CONFIG_PCI
167 void pci_init_board(void)
168 {
169 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
170 	struct fsl_pci_info pci_info;
171 	u32 devdisr, pordevsr;
172 	u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
173 	int first_free_busno;
174 
175 	first_free_busno = fsl_pcie_init_board(0);
176 
177 #ifdef CONFIG_PCI1
178 	devdisr = in_be32(&gur->devdisr);
179 	pordevsr = in_be32(&gur->pordevsr);
180 	porpllsr = in_be32(&gur->porpllsr);
181 
182 	pci_speed = 66666000;
183 	pci_32 = 1;
184 	pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
185 	pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
186 
187 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
188 		SET_STD_PCI_INFO(pci_info, 1);
189 		set_next_law(pci_info.mem_phys,
190 			law_size_bits(pci_info.mem_size), pci_info.law);
191 		set_next_law(pci_info.io_phys,
192 			law_size_bits(pci_info.io_size), pci_info.law);
193 
194 		pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
195 		printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
196 			(pci_32) ? 32 : 64,
197 			(pci_speed == 33333000) ? "33" :
198 			(pci_speed == 66666000) ? "66" : "unknown",
199 			pci_clk_sel ? "sync" : "async",
200 			pci_agent ? "agent" : "host",
201 			pci_arb ? "arbiter" : "external-arbiter",
202 			pci_info.regs);
203 
204 		first_free_busno = fsl_pci_init_port(&pci_info,
205 					&pci1_hose, first_free_busno);
206 	} else {
207 		printf("PCI: disabled\n");
208 	}
209 
210 	puts("\n");
211 #else
212 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
213 #endif
214 }
215 #endif
216 
217 int board_early_init_r(void)
218 {
219 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
220 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
221 
222 	/*
223 	 * Remap Boot flash + PROMJET region to caching-inhibited
224 	 * so that flash can be erased properly.
225 	 */
226 
227 	/* Flush d-cache and invalidate i-cache of any FLASH data */
228 	flush_dcache();
229 	invalidate_icache();
230 
231 	/* invalidate existing TLB entry for flash + promjet */
232 	disable_tlb(flash_esel);
233 
234 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
235 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
236 		0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
237 
238 	return 0;
239 }
240 
241 int board_eth_init(bd_t *bis)
242 {
243 #ifdef CONFIG_TSEC_ENET
244 	struct fsl_pq_mdio_info mdio_info;
245 	struct tsec_info_struct tsec_info[2];
246 	int num = 0;
247 
248 #ifdef CONFIG_TSEC1
249 	SET_STD_TSEC_INFO(tsec_info[num], 1);
250 	if (is_serdes_configured(SGMII_TSEC1)) {
251 		puts("eTSEC1 is in sgmii mode.\n");
252 		tsec_info[num].phyaddr = 0;
253 		tsec_info[num].flags |= TSEC_SGMII;
254 	}
255 	num++;
256 #endif
257 #ifdef CONFIG_TSEC3
258 	SET_STD_TSEC_INFO(tsec_info[num], 3);
259 	if (is_serdes_configured(SGMII_TSEC3)) {
260 		puts("eTSEC3 is in sgmii mode.\n");
261 		tsec_info[num].phyaddr = 1;
262 		tsec_info[num].flags |= TSEC_SGMII;
263 	}
264 	num++;
265 #endif
266 
267 	if (!num) {
268 		printf("No TSECs initialized\n");
269 		return 0;
270 	}
271 
272 #ifdef CONFIG_FSL_SGMII_RISER
273 	if (is_serdes_configured(SGMII_TSEC1) ||
274 	    is_serdes_configured(SGMII_TSEC3)) {
275 		fsl_sgmii_riser_init(tsec_info, num);
276 	}
277 #endif
278 
279 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
280 	mdio_info.name = DEFAULT_MII_NAME;
281 	fsl_pq_mdio_init(bis, &mdio_info);
282 
283 	tsec_eth_init(bis, tsec_info, num);
284 #endif
285 	return pci_eth_init(bis);
286 }
287 
288 #if defined(CONFIG_OF_BOARD_SETUP)
289 void ft_board_setup(void *blob, bd_t *bd)
290 {
291 	ft_cpu_setup(blob, bd);
292 
293 	FT_FSL_PCI_SETUP;
294 
295 #ifdef CONFIG_FSL_SGMII_RISER
296 	fsl_sgmii_riser_fdt_fixup(blob);
297 #endif
298 }
299 #endif
300