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