1 /*
2  * Copyright 2007-2011 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 <miiphy.h>
35 #include <libfdt.h>
36 #include <fdt_support.h>
37 #include <tsec.h>
38 #include <fsl_mdio.h>
39 #include <netdev.h>
40 
41 #include "../common/sgmii_riser.h"
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 
77 #if !defined(CONFIG_SPD_EEPROM)
78 /*
79  * Fixed sdram init -- doesn't use serial presence detect.
80  */
81 
82 phys_size_t fixed_sdram (void)
83 {
84 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
85 	volatile ccsr_ddr_t *ddr= &immap->im_ddr;
86 	uint d_init;
87 
88 	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
89 	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
90 
91 	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
92 	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
93 	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
94 	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
95 	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
96 	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
97 	ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
98 	ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
99 	ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
100 	ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
101 
102 #if defined (CONFIG_DDR_ECC)
103 	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
104 	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
105 	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
106 #endif
107 	asm("sync;isync");
108 
109 	udelay(500);
110 
111 	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
112 
113 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
114 	d_init = 1;
115 	debug("DDR - 1st controller: memory initializing\n");
116 	/*
117 	 * Poll until memory is initialized.
118 	 * 512 Meg at 400 might hit this 200 times or so.
119 	 */
120 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
121 		udelay(1000);
122 	}
123 	debug("DDR: memory initialized\n\n");
124 	asm("sync; isync");
125 	udelay(500);
126 #endif
127 
128 	return 512 * 1024 * 1024;
129 }
130 
131 #endif
132 
133 #ifdef CONFIG_PCI
134 void pci_init_board(void)
135 {
136 	struct pci_controller *hose;
137 
138 	fsl_pcie_init_board(0);
139 
140 	hose = find_hose_by_cfg_addr((void *)(CONFIG_SYS_PCIE3_ADDR));
141 
142 	if (hose) {
143 		u32 temp32;
144 		u8 uli_busno = hose->first_busno + 2;
145 
146 		/*
147 		 * Activate ULI1575 legacy chip by performing a fake
148 		 * memory access.  Needed to make ULI RTC work.
149 		 * Device 1d has the first on-board memory BAR.
150 		 */
151 		pci_hose_read_config_dword(hose, PCI_BDF(uli_busno, 0x1d, 0),
152 				PCI_BASE_ADDRESS_1, &temp32);
153 
154 		if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
155 			void *p = pci_mem_to_virt(PCI_BDF(uli_busno, 0x1d, 0),
156 					temp32, 4, 0);
157 			debug(" uli1572 read to %p\n", p);
158 			in_be32(p);
159 		}
160 	}
161 }
162 #endif
163 
164 int board_early_init_r(void)
165 {
166 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
167 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
168 
169 	/*
170 	 * Remap Boot flash + PROMJET region to caching-inhibited
171 	 * so that flash can be erased properly.
172 	 */
173 
174 	/* Flush d-cache and invalidate i-cache of any FLASH data */
175 	flush_dcache();
176 	invalidate_icache();
177 
178 	/* invalidate existing TLB entry for flash + promjet */
179 	disable_tlb(flash_esel);
180 
181 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
182 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
183 			0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
184 
185 	return 0;
186 }
187 
188 #ifdef CONFIG_TSEC_ENET
189 int board_eth_init(bd_t *bis)
190 {
191 	struct fsl_pq_mdio_info mdio_info;
192 	struct tsec_info_struct tsec_info[4];
193 	int num = 0;
194 
195 #ifdef CONFIG_TSEC1
196 	SET_STD_TSEC_INFO(tsec_info[num], 1);
197 	if (is_serdes_configured(SGMII_TSEC1)) {
198 		puts("eTSEC1 is in sgmii mode.\n");
199 		tsec_info[num].flags |= TSEC_SGMII;
200 	}
201 	num++;
202 #endif
203 #ifdef CONFIG_TSEC2
204 	SET_STD_TSEC_INFO(tsec_info[num], 2);
205 	if (is_serdes_configured(SGMII_TSEC2)) {
206 		puts("eTSEC2 is in sgmii mode.\n");
207 		tsec_info[num].flags |= TSEC_SGMII;
208 	}
209 	num++;
210 #endif
211 #ifdef CONFIG_TSEC3
212 	SET_STD_TSEC_INFO(tsec_info[num], 3);
213 	if (is_serdes_configured(SGMII_TSEC3)) {
214 		puts("eTSEC3 is in sgmii mode.\n");
215 		tsec_info[num].flags |= TSEC_SGMII;
216 	}
217 	num++;
218 #endif
219 #ifdef CONFIG_TSEC4
220 	SET_STD_TSEC_INFO(tsec_info[num], 4);
221 	if (is_serdes_configured(SGMII_TSEC4)) {
222 		puts("eTSEC4 is in sgmii mode.\n");
223 		tsec_info[num].flags |= TSEC_SGMII;
224 	}
225 	num++;
226 #endif
227 
228 	if (!num) {
229 		printf("No TSECs initialized\n");
230 
231 		return 0;
232 	}
233 
234 #ifdef CONFIG_FSL_SGMII_RISER
235 	fsl_sgmii_riser_init(tsec_info, num);
236 #endif
237 
238 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
239 	mdio_info.name = DEFAULT_MII_NAME;
240 	fsl_pq_mdio_init(bis, &mdio_info);
241 
242 	tsec_eth_init(bis, tsec_info, num);
243 
244 	return pci_eth_init(bis);
245 }
246 #endif
247 
248 #if defined(CONFIG_OF_BOARD_SETUP)
249 void ft_board_setup(void *blob, bd_t *bd)
250 {
251 	phys_addr_t base;
252 	phys_size_t size;
253 
254 	ft_cpu_setup(blob, bd);
255 
256 	base = getenv_bootm_low();
257 	size = getenv_bootm_size();
258 
259 	fdt_fixup_memory(blob, (u64)base, (u64)size);
260 
261 	FT_FSL_PCI_SETUP;
262 
263 #ifdef CONFIG_FSL_SGMII_RISER
264 	fsl_sgmii_riser_fdt_fixup(blob);
265 #endif
266 }
267 #endif
268