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