1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2007,2009-2010 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <command.h>
8 #include <init.h>
9 #include <net.h>
10 #include <pci.h>
11 #include <asm/processor.h>
12 #include <asm/mmu.h>
13 #include <asm/immap_85xx.h>
14 #include <asm/fsl_pci.h>
15 #include <fsl_ddr_sdram.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/io.h>
18 #include <miiphy.h>
19 #include <linux/libfdt.h>
20 #include <fdt_support.h>
21 #include <fsl_mdio.h>
22 #include <tsec.h>
23 #include <netdev.h>
24 
25 #include "../common/sgmii_riser.h"
26 
checkboard(void)27 int checkboard (void)
28 {
29 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
30 	volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
31 	volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
32 	u8 vboot;
33 	u8 *pixis_base = (u8 *)PIXIS_BASE;
34 
35 	if ((uint)&gur->porpllsr != 0xe00e0000) {
36 		printf("immap size error %lx\n",(ulong)&gur->porpllsr);
37 	}
38 	printf ("Board: MPC8544DS, Sys ID: 0x%02x, "
39 		"Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
40 		in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
41 		in_8(pixis_base + PIXIS_PVER));
42 
43 	vboot = in_8(pixis_base + PIXIS_VBOOT);
44 	if (vboot & PIXIS_VBOOT_FMAP)
45 		printf ("vBank: %d\n", ((vboot & PIXIS_VBOOT_FBANK) >> 6));
46 	else
47 		puts ("Promjet\n");
48 
49 	lbc->ltesr = 0xffffffff;	/* Clear LBC error interrupts */
50 	lbc->lteir = 0xffffffff;	/* Enable LBC error interrupts */
51 	ecm->eedr = 0xffffffff;		/* Clear ecm errors */
52 	ecm->eeer = 0xffffffff;		/* Enable ecm errors */
53 
54 	return 0;
55 }
56 
57 #ifdef CONFIG_PCI1
58 static struct pci_controller pci1_hose;
59 #endif
60 
61 #ifdef CONFIG_PCIE3
62 static struct pci_controller pcie3_hose;
63 #endif
64 
pci_init_board(void)65 void pci_init_board(void)
66 {
67 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
68 	struct fsl_pci_info pci_info;
69 	u32 devdisr, pordevsr, io_sel;
70 	u32 porpllsr, pci_agent, pci_speed, pci_32, pci_arb, pci_clk_sel;
71 	int first_free_busno = 0;
72 
73 	int pcie_ep, pcie_configured;
74 
75 	devdisr = in_be32(&gur->devdisr);
76 	pordevsr = in_be32(&gur->pordevsr);
77 	porpllsr = in_be32(&gur->porpllsr);
78 	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
79 
80 	debug ("   pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
81 
82 	puts("\n");
83 
84 #ifdef CONFIG_PCIE3
85 	pcie_configured = is_serdes_configured(PCIE3);
86 
87 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
88 		/* contains both PCIE3 MEM & IO space */
89 		set_next_law(CONFIG_SYS_PCIE3_MEM_PHYS, LAW_SIZE_4M,
90 				LAW_TRGT_IF_PCIE_3);
91 		SET_STD_PCIE_INFO(pci_info, 3);
92 		pcie_ep = fsl_setup_hose(&pcie3_hose, pci_info.regs);
93 
94 		/* outbound memory */
95 		pci_set_region(&pcie3_hose.regions[0],
96 			       CONFIG_SYS_PCIE3_MEM_BUS2,
97 			       CONFIG_SYS_PCIE3_MEM_PHYS2,
98 			       CONFIG_SYS_PCIE3_MEM_SIZE2,
99 			       PCI_REGION_MEM);
100 
101 		pcie3_hose.region_count = 1;
102 
103 		printf("PCIE3: connected to ULI as %s (base addr %lx)\n",
104 			pcie_ep ? "Endpoint" : "Root Complex",
105 			pci_info.regs);
106 		first_free_busno = fsl_pci_init_port(&pci_info,
107 					&pcie3_hose, first_free_busno);
108 
109 		/*
110 		 * Activate ULI1575 legacy chip by performing a fake
111 		 * memory access.  Needed to make ULI RTC work.
112 		 */
113 		in_be32((u32 *)CONFIG_SYS_PCIE3_MEM_BUS);
114 	} else {
115 		printf("PCIE3: disabled\n");
116 	}
117 	puts("\n");
118 #else
119 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE3); /* disable */
120 #endif
121 
122 #ifdef CONFIG_PCIE1
123 	SET_STD_PCIE_INFO(pci_info, 1);
124 	first_free_busno = fsl_pcie_init_ctrl(first_free_busno, devdisr, PCIE1, &pci_info);
125 #else
126 	setbits_be32(&gur->devdisr, _DEVDISR_PCIE1); /* disable */
127 #endif
128 
129 #ifdef CONFIG_PCIE2
130 	SET_STD_PCIE_INFO(pci_info, 2);
131 	first_free_busno = fsl_pcie_init_ctrl(first_free_busno, devdisr, PCIE2, &pci_info);
132 #else
133 	setbits_be32(&gur->devdisr, _DEVDISR_PCIE2); /* disable */
134 #endif
135 
136 #ifdef CONFIG_PCI1
137 	pci_speed = 66666000;
138 	pci_32 = 1;
139 	pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
140 	pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
141 
142 	if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
143 		SET_STD_PCI_INFO(pci_info, 1);
144 		set_next_law(pci_info.mem_phys,
145 			law_size_bits(pci_info.mem_size), pci_info.law);
146 		set_next_law(pci_info.io_phys,
147 			law_size_bits(pci_info.io_size), pci_info.law);
148 
149 		pci_agent = fsl_setup_hose(&pci1_hose, pci_info.regs);
150 		printf("PCI: %d bit, %s MHz, %s, %s, %s (base address %lx)\n",
151 			(pci_32) ? 32 : 64,
152 			(pci_speed == 33333000) ? "33" :
153 			(pci_speed == 66666000) ? "66" : "unknown",
154 			pci_clk_sel ? "sync" : "async",
155 			pci_agent ? "agent" : "host",
156 			pci_arb ? "arbiter" : "external-arbiter",
157 			pci_info.regs);
158 
159 		first_free_busno = fsl_pci_init_port(&pci_info,
160 					&pci1_hose, first_free_busno);
161 	} else {
162 		printf("PCI: disabled\n");
163 	}
164 
165 	puts("\n");
166 #else
167 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
168 #endif
169 }
170 
last_stage_init(void)171 int last_stage_init(void)
172 {
173 	return 0;
174 }
175 
176 
177 unsigned long
get_board_sys_clk(ulong dummy)178 get_board_sys_clk(ulong dummy)
179 {
180 	u8 i, go_bit, rd_clks;
181 	ulong val = 0;
182 	u8 *pixis_base = (u8 *)PIXIS_BASE;
183 
184 	go_bit = in_8(pixis_base + PIXIS_VCTL);
185 	go_bit &= 0x01;
186 
187 	rd_clks = in_8(pixis_base + PIXIS_VCFGEN0);
188 	rd_clks &= 0x1C;
189 
190 	/*
191 	 * Only if both go bit and the SCLK bit in VCFGEN0 are set
192 	 * should we be using the AUX register. Remember, we also set the
193 	 * GO bit to boot from the alternate bank on the on-board flash
194 	 */
195 
196 	if (go_bit) {
197 		if (rd_clks == 0x1c)
198 			i = in_8(pixis_base + PIXIS_AUX);
199 		else
200 			i = in_8(pixis_base + PIXIS_SPD);
201 	} else {
202 		i = in_8(pixis_base + PIXIS_SPD);
203 	}
204 
205 	i &= 0x07;
206 
207 	switch (i) {
208 	case 0:
209 		val = 33333333;
210 		break;
211 	case 1:
212 		val = 40000000;
213 		break;
214 	case 2:
215 		val = 50000000;
216 		break;
217 	case 3:
218 		val = 66666666;
219 		break;
220 	case 4:
221 		val = 83000000;
222 		break;
223 	case 5:
224 		val = 100000000;
225 		break;
226 	case 6:
227 		val = 133333333;
228 		break;
229 	case 7:
230 		val = 166666666;
231 		break;
232 	}
233 
234 	return val;
235 }
236 
237 
238 #define MIIM_CIS8204_SLED_CON		0x1b
239 #define MIIM_CIS8204_SLEDCON_INIT	0x1115
240 /*
241  * Hack to write all 4 PHYs with the LED values
242  */
board_phy_config(struct phy_device * phydev)243 int board_phy_config(struct phy_device *phydev)
244 {
245 	static int do_once;
246 	uint phyid;
247 	struct mii_dev *bus = phydev->bus;
248 
249 	if (phydev->drv->config)
250 		phydev->drv->config(phydev);
251 	if (do_once)
252 		return 0;
253 
254 	for (phyid = 0; phyid < 4; phyid++)
255 		bus->write(bus, phyid, MDIO_DEVAD_NONE, MIIM_CIS8204_SLED_CON,
256 				MIIM_CIS8204_SLEDCON_INIT);
257 
258 	do_once = 1;
259 
260 	return 0;
261 }
262 
263 
board_eth_init(bd_t * bis)264 int board_eth_init(bd_t *bis)
265 {
266 #ifdef CONFIG_TSEC_ENET
267 	struct fsl_pq_mdio_info mdio_info;
268 	struct tsec_info_struct tsec_info[2];
269 	int num = 0;
270 
271 #ifdef CONFIG_TSEC1
272 	SET_STD_TSEC_INFO(tsec_info[num], 1);
273 	if (is_serdes_configured(SGMII_TSEC1)) {
274 		puts("eTSEC1 is in sgmii mode.\n");
275 		tsec_info[num].flags |= TSEC_SGMII;
276 	}
277 	num++;
278 #endif
279 #ifdef CONFIG_TSEC3
280 	SET_STD_TSEC_INFO(tsec_info[num], 3);
281 	if (is_serdes_configured(SGMII_TSEC3)) {
282 		puts("eTSEC3 is in sgmii mode.\n");
283 		tsec_info[num].flags |= TSEC_SGMII;
284 	}
285 	num++;
286 #endif
287 
288 	if (!num) {
289 		printf("No TSECs initialized\n");
290 
291 		return 0;
292 	}
293 
294 	if (is_serdes_configured(SGMII_TSEC1) ||
295 	    is_serdes_configured(SGMII_TSEC3)) {
296 		fsl_sgmii_riser_init(tsec_info, num);
297 	}
298 
299 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
300 	mdio_info.name = DEFAULT_MII_NAME;
301 	fsl_pq_mdio_init(bis, &mdio_info);
302 
303 	tsec_eth_init(bis, tsec_info, num);
304 #endif
305 	return pci_eth_init(bis);
306 }
307 
308 #if defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,bd_t * bd)309 int ft_board_setup(void *blob, bd_t *bd)
310 {
311 	ft_cpu_setup(blob, bd);
312 
313 	FT_FSL_PCI_SETUP;
314 
315 #ifdef CONFIG_FSL_SGMII_RISER
316 	fsl_sgmii_riser_fdt_fixup(blob);
317 #endif
318 
319 	return 0;
320 }
321 #endif
322