1 /*
2  * Copyright 2008-2012 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 #include <pci.h>
10 #include <asm/processor.h>
11 #include <asm/mmu.h>
12 #include <asm/cache.h>
13 #include <asm/immap_85xx.h>
14 #include <asm/fsl_pci.h>
15 #include <fsl_ddr_sdram.h>
16 #include <asm/io.h>
17 #include <asm/fsl_serdes.h>
18 #include <spd.h>
19 #include <miiphy.h>
20 #include <linux/libfdt.h>
21 #include <spd_sdram.h>
22 #include <fdt_support.h>
23 #include <fsl_mdio.h>
24 #include <tsec.h>
25 #include <netdev.h>
26 #include <sata.h>
27 
28 #include "../common/sgmii_riser.h"
29 
30 int board_early_init_f (void)
31 {
32 #ifdef CONFIG_MMC
33 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
34 
35 	setbits_be32(&gur->pmuxcr,
36 			(MPC85xx_PMUXCR_SDHC_CD |
37 			 MPC85xx_PMUXCR_SDHC_WP));
38 
39 	/* The MPC8536DS board insert the SDHC_WP pin for erratum NMG_eSDHC118,
40 	 * however, this erratum only applies to MPC8536 Rev1.0.
41 	 * So set SDHC_WP to active-low when use MPC8536 Rev1.1 and greater.*/
42 	if ((((SVR_MAJ(get_svr()) & 0x7) == 0x1) &&
43 			(SVR_MIN(get_svr()) >= 0x1))
44 			|| (SVR_MAJ(get_svr() & 0x7) > 0x1))
45 		setbits_be32(&gur->gencfgr, MPC85xx_GENCFGR_SDHC_WP_INV);
46 #endif
47 	return 0;
48 }
49 
50 int checkboard (void)
51 {
52 	u8 vboot;
53 	u8 *pixis_base = (u8 *)PIXIS_BASE;
54 
55 	printf("Board: MPC8536DS Sys ID: 0x%02x, "
56 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
57 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
58 		in_8(pixis_base + PIXIS_PVER));
59 
60 	vboot = in_8(pixis_base + PIXIS_VBOOT);
61 	switch ((vboot & PIXIS_VBOOT_LBMAP) >> 5) {
62 		case PIXIS_VBOOT_LBMAP_NOR0:
63 			puts ("vBank: 0\n");
64 			break;
65 		case PIXIS_VBOOT_LBMAP_NOR1:
66 			puts ("vBank: 1\n");
67 			break;
68 		case PIXIS_VBOOT_LBMAP_NOR2:
69 			puts ("vBank: 2\n");
70 			break;
71 		case PIXIS_VBOOT_LBMAP_NOR3:
72 			puts ("vBank: 3\n");
73 			break;
74 		case PIXIS_VBOOT_LBMAP_PJET:
75 			puts ("Promjet\n");
76 			break;
77 		case PIXIS_VBOOT_LBMAP_NAND:
78 			puts ("NAND\n");
79 			break;
80 	}
81 
82 	return 0;
83 }
84 
85 #if !defined(CONFIG_SPD_EEPROM)
86 /*
87  * Fixed sdram init -- doesn't use serial presence detect.
88  */
89 
90 phys_size_t fixed_sdram (void)
91 {
92 	volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
93 	struct ccsr_ddr __iomem *ddr = &immap->im_ddr;
94 	uint d_init;
95 
96 	ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
97 	ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
98 
99 	ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
100 	ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
101 	ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
102 	ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
103 	ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
104 	ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
105 	ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
106 	ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
107 	ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
108 	ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
109 
110 #if defined (CONFIG_DDR_ECC)
111 	ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
112 	ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
113 	ddr->err_sbe = CONFIG_SYS_DDR_SBE;
114 #endif
115 	asm("sync;isync");
116 
117 	udelay(500);
118 
119 	ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
120 
121 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
122 	d_init = 1;
123 	debug("DDR - 1st controller: memory initializing\n");
124 	/*
125 	 * Poll until memory is initialized.
126 	 * 512 Meg at 400 might hit this 200 times or so.
127 	 */
128 	while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
129 		udelay(1000);
130 	}
131 	debug("DDR: memory initialized\n\n");
132 	asm("sync; isync");
133 	udelay(500);
134 #endif
135 
136 	return 512 * 1024 * 1024;
137 }
138 
139 #endif
140 
141 #ifdef CONFIG_PCI1
142 static struct pci_controller pci1_hose;
143 #endif
144 
145 #ifdef CONFIG_PCI
146 void pci_init_board(void)
147 {
148 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
149 	struct fsl_pci_info pci_info;
150 	u32 devdisr, pordevsr;
151 	u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
152 	int first_free_busno;
153 
154 	first_free_busno = fsl_pcie_init_board(0);
155 
156 #ifdef CONFIG_PCI1
157 	devdisr = in_be32(&gur->devdisr);
158 	pordevsr = in_be32(&gur->pordevsr);
159 	porpllsr = in_be32(&gur->porpllsr);
160 
161 	pci_speed = 66666000;
162 	pci_32 = 1;
163 	pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
164 	pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
165 
166 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
167 		SET_STD_PCI_INFO(pci_info, 1);
168 		set_next_law(pci_info.mem_phys,
169 			law_size_bits(pci_info.mem_size), pci_info.law);
170 		set_next_law(pci_info.io_phys,
171 			law_size_bits(pci_info.io_size), pci_info.law);
172 
173 		pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
174 		printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
175 			(pci_32) ? 32 : 64,
176 			(pci_speed == 33333000) ? "33" :
177 			(pci_speed == 66666000) ? "66" : "unknown",
178 			pci_clk_sel ? "sync" : "async",
179 			pci_agent ? "agent" : "host",
180 			pci_arb ? "arbiter" : "external-arbiter",
181 			pci_info.regs);
182 
183 		first_free_busno = fsl_pci_init_port(&pci_info,
184 					&pci1_hose, first_free_busno);
185 	} else {
186 		printf("PCI: disabled\n");
187 	}
188 
189 	puts("\n");
190 #else
191 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
192 #endif
193 }
194 #endif
195 
196 int board_early_init_r(void)
197 {
198 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
199 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
200 
201 	/*
202 	 * Remap Boot flash + PROMJET region to caching-inhibited
203 	 * so that flash can be erased properly.
204 	 */
205 
206 	/* Flush d-cache and invalidate i-cache of any FLASH data */
207 	flush_dcache();
208 	invalidate_icache();
209 
210 	if (flash_esel == -1) {
211 		/* very unlikely unless something is messed up */
212 		puts("Error: Could not find TLB for FLASH BASE\n");
213 		flash_esel = 1;	/* give our best effort to continue */
214 	} else {
215 		/* invalidate existing TLB entry for flash + promjet */
216 		disable_tlb(flash_esel);
217 	}
218 
219 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
220 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
221 		0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */
222 
223 	return 0;
224 }
225 
226 int board_eth_init(bd_t *bis)
227 {
228 #ifdef CONFIG_TSEC_ENET
229 	struct fsl_pq_mdio_info mdio_info;
230 	struct tsec_info_struct tsec_info[2];
231 	int num = 0;
232 
233 #ifdef CONFIG_TSEC1
234 	SET_STD_TSEC_INFO(tsec_info[num], 1);
235 	if (is_serdes_configured(SGMII_TSEC1)) {
236 		puts("eTSEC1 is in sgmii mode.\n");
237 		tsec_info[num].phyaddr = 0;
238 		tsec_info[num].flags |= TSEC_SGMII;
239 	}
240 	num++;
241 #endif
242 #ifdef CONFIG_TSEC3
243 	SET_STD_TSEC_INFO(tsec_info[num], 3);
244 	if (is_serdes_configured(SGMII_TSEC3)) {
245 		puts("eTSEC3 is in sgmii mode.\n");
246 		tsec_info[num].phyaddr = 1;
247 		tsec_info[num].flags |= TSEC_SGMII;
248 	}
249 	num++;
250 #endif
251 
252 	if (!num) {
253 		printf("No TSECs initialized\n");
254 		return 0;
255 	}
256 
257 #ifdef CONFIG_FSL_SGMII_RISER
258 	if (is_serdes_configured(SGMII_TSEC1) ||
259 	    is_serdes_configured(SGMII_TSEC3)) {
260 		fsl_sgmii_riser_init(tsec_info, num);
261 	}
262 #endif
263 
264 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
265 	mdio_info.name = DEFAULT_MII_NAME;
266 	fsl_pq_mdio_init(bis, &mdio_info);
267 
268 	tsec_eth_init(bis, tsec_info, num);
269 #endif
270 	return pci_eth_init(bis);
271 }
272 
273 #if defined(CONFIG_OF_BOARD_SETUP)
274 int ft_board_setup(void *blob, bd_t *bd)
275 {
276 	ft_cpu_setup(blob, bd);
277 
278 	FT_FSL_PCI_SETUP;
279 
280 #ifdef CONFIG_FSL_SGMII_RISER
281 	fsl_sgmii_riser_fdt_fixup(blob);
282 #endif
283 
284 #ifdef CONFIG_HAS_FSL_MPH_USB
285 	fsl_fdt_fixup_dr_usb(blob, bd);
286 #endif
287 
288 	return 0;
289 }
290 #endif
291