1 /*
2  * Copyright 2010 Freescale Semiconductor, Inc.
3  * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
4  *          Timur Tabi <timur@freescale.com>
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License as published by the Free
8  * Software Foundation; either version 2 of the License, or (at your option)
9  * any later version.
10  */
11 
12 #include <common.h>
13 #include <command.h>
14 #include <pci.h>
15 #include <asm/processor.h>
16 #include <asm/mmu.h>
17 #include <asm/cache.h>
18 #include <asm/immap_85xx.h>
19 #include <asm/fsl_pci.h>
20 #include <asm/fsl_ddr_sdram.h>
21 #include <asm/fsl_serdes.h>
22 #include <asm/io.h>
23 #include <libfdt.h>
24 #include <fdt_support.h>
25 #include <tsec.h>
26 #include <asm/fsl_law.h>
27 #include <asm/mp.h>
28 #include <netdev.h>
29 #include <i2c.h>
30 #include <hwconfig.h>
31 
32 #include "../common/ngpixis.h"
33 
34 DECLARE_GLOBAL_DATA_PTR;
35 
36 int board_early_init_f(void)
37 {
38 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
39 
40 	/* Set pmuxcr to allow both i2c1 and i2c2 */
41 	setbits_be32(&gur->pmuxcr, 0x1000);
42 
43 	/* Read back the register to synchronize the write. */
44 	in_be32(&gur->pmuxcr);
45 
46 	/* Set the pin muxing to enable ETSEC2. */
47 	clrbits_be32(&gur->pmuxcr2, 0x001F8000);
48 
49 	return 0;
50 }
51 
52 int checkboard(void)
53 {
54 	u8 sw;
55 
56 	puts("Board: P1022DS ");
57 
58 	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
59 		in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));
60 
61 	sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
62 
63 	switch ((sw & PIXIS_LBMAP_MASK) >> 6) {
64 	case 0:
65 		printf ("vBank: %u\n", ((sw & 0x30) >> 4));
66 		break;
67 	case 1:
68 		printf ("NAND\n");
69 		break;
70 	case 2:
71 	case 3:
72 		puts ("Promjet\n");
73 		break;
74 	}
75 
76 	return 0;
77 }
78 
79 #define CONFIG_TFP410_I2C_ADDR	0x38
80 
81 /* Masks for the SSI_TDM and AUDCLK bits of the ngPIXIS BRDCFG1 register. */
82 #define CONFIG_PIXIS_BRDCFG1_SSI_TDM_MASK	0x0c
83 #define CONFIG_PIXIS_BRDCFG1_AUDCLK_MASK	0x03
84 
85 /* Route the I2C1 pins to the SSI port instead. */
86 #define CONFIG_PIXIS_BRDCFG1_SSI_TDM_SSI	0x08
87 
88 /* Choose the 12.288Mhz codec reference clock */
89 #define CONFIG_PIXIS_BRDCFG1_AUDCLK_12		0x02
90 
91 /* Choose the 11.2896Mhz codec reference clock */
92 #define CONFIG_PIXIS_BRDCFG1_AUDCLK_11		0x01
93 
94 int misc_init_r(void)
95 {
96 	u8 temp;
97 	const char *audclk;
98 	size_t arglen;
99 
100 	/* For DVI, enable the TFP410 Encoder. */
101 
102 	temp = 0xBF;
103 	if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
104 		return -1;
105 	if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x08, 1, &temp, sizeof(temp)) < 0)
106 		return -1;
107 	debug("DVI Encoder Read: 0x%02x\n", temp);
108 
109 	temp = 0x10;
110 	if (i2c_write(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
111 		return -1;
112 	if (i2c_read(CONFIG_TFP410_I2C_ADDR, 0x0A, 1, &temp, sizeof(temp)) < 0)
113 		return -1;
114 	debug("DVI Encoder Read: 0x%02x\n",temp);
115 
116 	/*
117 	 * Enable the reference clock for the WM8776 codec, and route the MUX
118 	 * pins for SSI. The default is the 12.288 MHz clock
119 	 */
120 
121 	temp = in_8(&pixis->brdcfg1) & ~(CONFIG_PIXIS_BRDCFG1_SSI_TDM_MASK |
122 		CONFIG_PIXIS_BRDCFG1_AUDCLK_MASK);
123 	temp |= CONFIG_PIXIS_BRDCFG1_SSI_TDM_SSI;
124 
125 	audclk = hwconfig_arg("audclk", &arglen);
126 	/* Check the first two chars only */
127 	if (audclk && (strncmp(audclk, "11", 2) == 0))
128 		temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_11;
129 	else
130 		temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_12;
131 	out_8(&pixis->brdcfg1, temp);
132 
133 	return 0;
134 }
135 
136 /*
137  * A list of PCI and SATA slots
138  */
139 enum slot_id {
140 	SLOT_PCIE1 = 1,
141 	SLOT_PCIE2,
142 	SLOT_PCIE3,
143 	SLOT_PCIE4,
144 	SLOT_PCIE5,
145 	SLOT_SATA1,
146 	SLOT_SATA2
147 };
148 
149 /*
150  * This array maps the slot identifiers to their names on the P1022DS board.
151  */
152 static const char *slot_names[] = {
153 	[SLOT_PCIE1] = "Slot 1",
154 	[SLOT_PCIE2] = "Slot 2",
155 	[SLOT_PCIE3] = "Slot 3",
156 	[SLOT_PCIE4] = "Slot 4",
157 	[SLOT_PCIE5] = "Mini-PCIe",
158 	[SLOT_SATA1] = "SATA 1",
159 	[SLOT_SATA2] = "SATA 2",
160 };
161 
162 /*
163  * This array maps a given SERDES configuration and SERDES device to the PCI or
164  * SATA slot that it connects to.  This mapping is hard-coded in the FPGA.
165  */
166 static u8 serdes_dev_slot[][SATA2 + 1] = {
167 	[0x01] = { [PCIE3] = SLOT_PCIE4, [PCIE2] = SLOT_PCIE5 },
168 	[0x02] = { [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
169 	[0x09] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE4,
170 		   [PCIE2] = SLOT_PCIE5 },
171 	[0x16] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE2,
172 		   [PCIE2] = SLOT_PCIE3,
173 		   [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
174 	[0x17] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE2,
175 		   [PCIE2] = SLOT_PCIE3 },
176 	[0x1a] = { [PCIE1] = SLOT_PCIE1, [PCIE2] = SLOT_PCIE3,
177 		   [PCIE2] = SLOT_PCIE3,
178 		   [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
179 	[0x1c] = { [PCIE1] = SLOT_PCIE1,
180 		   [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 },
181 	[0x1e] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE3 },
182 	[0x1f] = { [PCIE1] = SLOT_PCIE1 },
183 };
184 
185 
186 /*
187  * Returns the name of the slot to which the PCIe or SATA controller is
188  * connected
189  */
190 const char *board_serdes_name(enum srds_prtcl device)
191 {
192 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
193 	u32 pordevsr = in_be32(&gur->pordevsr);
194 	unsigned int srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
195 				MPC85xx_PORDEVSR_IO_SEL_SHIFT;
196 	enum slot_id slot = serdes_dev_slot[srds_cfg][device];
197 	const char *name = slot_names[slot];
198 
199 	if (name)
200 		return name;
201 	else
202 		return "Nothing";
203 }
204 
205 #ifdef CONFIG_PCI
206 void pci_init_board(void)
207 {
208 	fsl_pcie_init_board(0);
209 }
210 #endif
211 
212 int board_early_init_r(void)
213 {
214 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
215 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
216 
217 	/*
218 	 * Remap Boot flash + PROMJET region to caching-inhibited
219 	 * so that flash can be erased properly.
220 	 */
221 
222 	/* Flush d-cache and invalidate i-cache of any FLASH data */
223 	flush_dcache();
224 	invalidate_icache();
225 
226 	/* invalidate existing TLB entry for flash + promjet */
227 	disable_tlb(flash_esel);
228 
229 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
230 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
231 			0, flash_esel, BOOKE_PAGESZ_256M, 1);
232 
233 	return 0;
234 }
235 
236 /*
237  * Initialize on-board and/or PCI Ethernet devices
238  *
239  * Returns:
240  *      <0, error
241  *       0, no ethernet devices found
242  *      >0, number of ethernet devices initialized
243  */
244 int board_eth_init(bd_t *bis)
245 {
246 	struct tsec_info_struct tsec_info[2];
247 	unsigned int num = 0;
248 
249 #ifdef CONFIG_TSEC1
250 	SET_STD_TSEC_INFO(tsec_info[num], 1);
251 	num++;
252 #endif
253 #ifdef CONFIG_TSEC2
254 	SET_STD_TSEC_INFO(tsec_info[num], 2);
255 	num++;
256 #endif
257 
258 	return tsec_eth_init(bis, tsec_info, num) + pci_eth_init(bis);
259 }
260 
261 #ifdef CONFIG_OF_BOARD_SETUP
262 /**
263  * ft_codec_setup - fix up the clock-frequency property of the codec node
264  *
265  * Update the clock-frequency property based on the value of the 'audclk'
266  * hwconfig option.  If audclk is not specified, then default to 12.288MHz.
267  */
268 static void ft_codec_setup(void *blob, const char *compatible)
269 {
270 	const char *audclk;
271 	size_t arglen;
272 	u32 freq;
273 
274 	audclk = hwconfig_arg("audclk", &arglen);
275 	if (audclk && (strncmp(audclk, "11", 2) == 0))
276 		freq = 11289600;
277 	else
278 		freq = 12288000;
279 
280 	do_fixup_by_compat_u32(blob, compatible, "clock-frequency", freq, 1);
281 }
282 
283 void ft_board_setup(void *blob, bd_t *bd)
284 {
285 	phys_addr_t base;
286 	phys_size_t size;
287 
288 	ft_cpu_setup(blob, bd);
289 
290 	base = getenv_bootm_low();
291 	size = getenv_bootm_size();
292 
293 	fdt_fixup_memory(blob, (u64)base, (u64)size);
294 
295 	FT_FSL_PCI_SETUP;
296 
297 #ifdef CONFIG_FSL_SGMII_RISER
298 	fsl_sgmii_riser_fdt_fixup(blob);
299 #endif
300 
301 	/* Update the WM8776 node's clock frequency property */
302 	ft_codec_setup(blob, "wlf,wm8776");
303 }
304 #endif
305 
306 #ifdef CONFIG_MP
307 void board_lmb_reserve(struct lmb *lmb)
308 {
309 	cpu_mp_lmb_reserve(lmb);
310 }
311 #endif
312