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