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 <tsec.h>
40 #include <netdev.h>
41 #include <sata.h>
42 
43 #include "../common/sgmii_riser.h"
44 
45 int board_early_init_f (void)
46 {
47 #ifdef CONFIG_MMC
48 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
49 
50 	setbits_be32(&gur->pmuxcr,
51 			(MPC85xx_PMUXCR_SD_DATA |
52 			 MPC85xx_PMUXCR_SDHC_CD |
53 			 MPC85xx_PMUXCR_SDHC_WP));
54 
55 #endif
56 	return 0;
57 }
58 
59 int checkboard (void)
60 {
61 	u8 vboot;
62 	u8 *pixis_base = (u8 *)PIXIS_BASE;
63 
64 	puts("Board: MPC8536DS ");
65 #ifdef CONFIG_PHYS_64BIT
66 	puts("(36-bit addrmap) ");
67 #endif
68 
69 	printf ("Sys ID: 0x%02x, "
70 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
71 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
72 		in_8(pixis_base + PIXIS_PVER));
73 
74 	vboot = in_8(pixis_base + PIXIS_VBOOT);
75 	switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) {
76 		case PIXIS_VBOOT_LBMAP_NOR0:
77 			puts ("vBank: 0\n");
78 			break;
79 		case PIXIS_VBOOT_LBMAP_NOR1:
80 			puts ("vBank: 1\n");
81 			break;
82 		case PIXIS_VBOOT_LBMAP_NOR2:
83 			puts ("vBank: 2\n");
84 			break;
85 		case PIXIS_VBOOT_LBMAP_NOR3:
86 			puts ("vBank: 3\n");
87 			break;
88 		case PIXIS_VBOOT_LBMAP_PJET:
89 			puts ("Promjet\n");
90 			break;
91 		case PIXIS_VBOOT_LBMAP_NAND:
92 			puts ("NAND\n");
93 			break;
94 	}
95 
96 	return 0;
97 }
98 
99 #if !defined(CONFIG_SPD_EEPROM)
100 /*
101  * Fixed sdram init -- doesn't use serial presence detect.
102  */
103 
104 phys_size_t fixed_sdram (void)
105 {
106 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
107 	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
108 	uint d_init;
109 
110 	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
111 	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
112 
113 	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
114 	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
115 	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
116 	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
117 	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
118 	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
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 
124 #if defined (CONFIG_DDR_ECC)
125 	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
126 	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
127 	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
128 #endif
129 	asm("sync;isync");
130 
131 	udelay(500);
132 
133 	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
134 
135 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
136 	d_init = 1;
137 	debug("DDR - 1st controller: memory initializing\n");
138 	/*
139 	 * Poll until memory is initialized.
140 	 * 512 Meg at 400 might hit this 200 times or so.
141 	 */
142 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
143 		udelay(1000);
144 	}
145 	debug("DDR: memory initialized\n\n");
146 	asm("sync; isync");
147 	udelay(500);
148 #endif
149 
150 	return 512 * 1024 * 1024;
151 }
152 
153 #endif
154 
155 #ifdef CONFIG_PCI1
156 static struct pci_controller pci1_hose;
157 #endif
158 
159 #ifdef CONFIG_PCI
160 void pci_init_board(void)
161 {
162 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
163 	struct fsl_pci_info pci_info;
164 	u32 devdisr, pordevsr;
165 	u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
166 	int first_free_busno;
167 
168 	first_free_busno = fsl_pcie_init_board(0);
169 
170 #ifdef CONFIG_PCI1
171 	devdisr = in_be32(&gur->devdisr);
172 	pordevsr = in_be32(&gur->pordevsr);
173 	porpllsr = in_be32(&gur->porpllsr);
174 
175 	pci_speed = 66666000;
176 	pci_32 = 1;
177 	pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
178 	pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
179 
180 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
181 		SET_STD_PCI_INFO(pci_info, 1);
182 		set_next_law(pci_info.mem_phys,
183 			law_size_bits(pci_info.mem_size), pci_info.law);
184 		set_next_law(pci_info.io_phys,
185 			law_size_bits(pci_info.io_size), pci_info.law);
186 
187 		pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
188 		printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
189 			(pci_32) ? 32 : 64,
190 			(pci_speed == 33333000) ? "33" :
191 			(pci_speed == 66666000) ? "66" : "unknown",
192 			pci_clk_sel ? "sync" : "async",
193 			pci_agent ? "agent" : "host",
194 			pci_arb ? "arbiter" : "external-arbiter",
195 			pci_info.regs);
196 
197 		first_free_busno = fsl_pci_init_port(&pci_info,
198 					&pci1_hose, first_free_busno);
199 	} else {
200 		printf("PCI: disabled\n");
201 	}
202 
203 	puts("\n");
204 #else
205 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
206 #endif
207 }
208 #endif
209 
210 int board_early_init_r(void)
211 {
212 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
213 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
214 
215 	/*
216 	 * Remap Boot flash + PROMJET region to caching-inhibited
217 	 * so that flash can be erased properly.
218 	 */
219 
220 	/* Flush d-cache and invalidate i-cache of any FLASH data */
221 	flush_dcache();
222 	invalidate_icache();
223 
224 	/* invalidate existing TLB entry for flash + promjet */
225 	disable_tlb(flash_esel);
226 
227 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
228 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
229 		0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
230 
231 	return 0;
232 }
233 
234 int board_eth_init(bd_t *bis)
235 {
236 #ifdef CONFIG_TSEC_ENET
237 	struct tsec_info_struct tsec_info[2];
238 	int num = 0;
239 
240 #ifdef CONFIG_TSEC1
241 	SET_STD_TSEC_INFO(tsec_info[num], 1);
242 	if (is_serdes_configured(SGMII_TSEC1)) {
243 		puts("eTSEC1 is in sgmii mode.\n");
244 		tsec_info[num].phyaddr = 0;
245 		tsec_info[num].flags |= TSEC_SGMII;
246 	}
247 	num++;
248 #endif
249 #ifdef CONFIG_TSEC3
250 	SET_STD_TSEC_INFO(tsec_info[num], 3);
251 	if (is_serdes_configured(SGMII_TSEC3)) {
252 		puts("eTSEC3 is in sgmii mode.\n");
253 		tsec_info[num].phyaddr = 1;
254 		tsec_info[num].flags |= TSEC_SGMII;
255 	}
256 	num++;
257 #endif
258 
259 	if (!num) {
260 		printf("No TSECs initialized\n");
261 		return 0;
262 	}
263 
264 #ifdef CONFIG_FSL_SGMII_RISER
265 	if (is_serdes_configured(SGMII_TSEC1) ||
266 	    is_serdes_configured(SGMII_TSEC3)) {
267 		fsl_sgmii_riser_init(tsec_info, num);
268 	}
269 #endif
270 
271 	tsec_eth_init(bis, tsec_info, num);
272 #endif
273 	return pci_eth_init(bis);
274 }
275 
276 #if defined(CONFIG_OF_BOARD_SETUP)
277 void ft_board_setup(void *blob, bd_t *bd)
278 {
279 	ft_cpu_setup(blob, bd);
280 
281 	FT_FSL_PCI_SETUP;
282 
283 #ifdef CONFIG_FSL_SGMII_RISER
284 	fsl_sgmii_riser_fdt_fixup(blob);
285 #endif
286 }
287 #endif
288