1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2019 NXP
4  */
5 
6 #include <common.h>
7 #include <init.h>
8 #include <malloc.h>
9 #include <errno.h>
10 #include <fsl_ddr.h>
11 #include <net.h>
12 #include <asm/global_data.h>
13 #include <asm/io.h>
14 #include <hwconfig.h>
15 #include <fdt_support.h>
16 #include <linux/libfdt.h>
17 #include <env_internal.h>
18 #include <asm/arch-fsl-layerscape/soc.h>
19 #include <asm/arch-fsl-layerscape/fsl_icid.h>
20 #include <i2c.h>
21 #include <asm/arch/soc.h>
22 #ifdef CONFIG_FSL_LS_PPA
23 #include <asm/arch/ppa.h>
24 #endif
25 #include <fsl_immap.h>
26 #include <netdev.h>
27 
28 #include <fdtdec.h>
29 #include <miiphy.h>
30 #include "../common/qixis.h"
31 #include "../drivers/net/fsl_enetc.h"
32 
33 DECLARE_GLOBAL_DATA_PTR;
34 
config_board_mux(void)35 int config_board_mux(void)
36 {
37 #ifndef CONFIG_LPUART
38 #if defined(CONFIG_TARGET_LS1028AQDS) && defined(CONFIG_FSL_QIXIS)
39 	u8 reg;
40 
41 	reg = QIXIS_READ(brdcfg[13]);
42 	/* Field| Function
43 	 * 7-6  | Controls I2C3 routing (net CFG_MUX_I2C3):
44 	 * I2C3 | 10= Routes {SCL, SDA} to CAN1 transceiver as {TX, RX}.
45 	 * 5-4  | Controls I2C4 routing (net CFG_MUX_I2C4):
46 	 * I2C4 |11= Routes {SCL, SDA} to CAN2 transceiver as {TX, RX}.
47 	 */
48 	reg &= ~(0xf0);
49 	reg |= 0xb0;
50 	QIXIS_WRITE(brdcfg[13], reg);
51 
52 	reg = QIXIS_READ(brdcfg[15]);
53 	/* Field| Function
54 	 * 7    | Controls the CAN1 transceiver (net CFG_CAN1_STBY):
55 	 * CAN1 | 0= CAN #1 transceiver enabled
56 	 * 6    | Controls the CAN2 transceiver (net CFG_CAN2_STBY):
57 	 * CAN2 | 0= CAN #2 transceiver enabled
58 	 */
59 	reg &= ~(0xc0);
60 	QIXIS_WRITE(brdcfg[15], reg);
61 #endif
62 #endif
63 
64 	return 0;
65 }
66 
67 #ifdef CONFIG_LPUART
get_lpuart_clk(void)68 u32 get_lpuart_clk(void)
69 {
70 	return gd->bus_clk / CONFIG_SYS_FSL_LPUART_CLK_DIV;
71 }
72 #endif
73 
board_init(void)74 int board_init(void)
75 {
76 #ifdef CONFIG_ENV_IS_NOWHERE
77 	gd->env_addr = (ulong)&default_environment[0];
78 #endif
79 
80 #ifdef CONFIG_FSL_CAAM
81 	sec_init();
82 #endif
83 
84 #ifdef CONFIG_FSL_LS_PPA
85 	ppa_init();
86 #endif
87 
88 #ifndef CONFIG_SYS_EARLY_PCI_INIT
89 	pci_init();
90 #endif
91 
92 #if defined(CONFIG_TARGET_LS1028ARDB)
93 	u8 val = I2C_MUX_CH_DEFAULT;
94 
95 #if !CONFIG_IS_ENABLED(DM_I2C)
96 	i2c_write(I2C_MUX_PCA_ADDR_PRI, 0x0b, 1, &val, 1);
97 #else
98 	struct udevice *dev;
99 
100 	if (!i2c_get_chip_for_busnum(0, I2C_MUX_PCA_ADDR_PRI, 1, &dev))
101 		dm_i2c_write(dev, 0x0b, &val, 1);
102 #endif
103 #endif
104 
105 #if defined(CONFIG_TARGET_LS1028ARDB)
106 	u8 reg;
107 
108 	reg = QIXIS_READ(brdcfg[4]);
109 	/*
110 	 * Field | Function
111 	 * 3     | DisplayPort Power Enable (net DP_PWR_EN):
112 	 * DPPWR | 0= DP_PWR is enabled.
113 	 */
114 	reg &= ~(DP_PWD_EN_DEFAULT_MASK);
115 	QIXIS_WRITE(brdcfg[4], reg);
116 #endif
117 	return 0;
118 }
119 
board_eth_init(struct bd_info * bis)120 int board_eth_init(struct bd_info *bis)
121 {
122 	return pci_eth_init(bis);
123 }
124 
125 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)126 int misc_init_r(void)
127 {
128 	config_board_mux();
129 
130 	return 0;
131 }
132 #endif
133 
board_early_init_f(void)134 int board_early_init_f(void)
135 {
136 #ifdef CONFIG_LPUART
137 	u8 uart;
138 #endif
139 
140 #ifdef CONFIG_SYS_I2C_EARLY_INIT
141 	i2c_early_init_f();
142 #endif
143 
144 	fsl_lsch3_early_init_f();
145 
146 #ifdef CONFIG_LPUART
147 	/*
148 	 * Field| Function
149 	 * --------------------------------------------------------------
150 	 * 7-6  | Controls I2C3 routing (net CFG_MUX_I2C3):
151 	 * I2C3 | 11= Routes {SCL, SDA} to LPUART1 header as {SOUT, SIN}.
152 	 * --------------------------------------------------------------
153 	 * 5-4  | Controls I2C4 routing (net CFG_MUX_I2C4):
154 	 * I2C4 |11= Routes {SCL, SDA} to LPUART1 header as {CTS_B, RTS_B}.
155 	 */
156 	/* use lpuart0 as system console */
157 	uart = QIXIS_READ(brdcfg[13]);
158 	uart &= ~CFG_LPUART_MUX_MASK;
159 	uart |= CFG_LPUART_EN;
160 	QIXIS_WRITE(brdcfg[13], uart);
161 #endif
162 
163 	return 0;
164 }
165 
detail_board_ddr_info(void)166 void detail_board_ddr_info(void)
167 {
168 	puts("\nDDR    ");
169 	print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
170 	print_ddr_info(0);
171 }
172 
esdhc_status_fixup(void * blob,const char * compat)173 int esdhc_status_fixup(void *blob, const char *compat)
174 {
175 	void __iomem *dcfg_ccsr = (void __iomem *)DCFG_BASE;
176 	char esdhc1_path[] = "/soc/mmc@2140000";
177 	char esdhc2_path[] = "/soc/mmc@2150000";
178 	char dspi1_path[] = "/soc/spi@2100000";
179 	char dspi2_path[] = "/soc/spi@2110000";
180 	u32 mux_sdhc1, mux_sdhc2;
181 	u32 io = 0;
182 
183 	/*
184 	 * The PMUX IO-expander for mux select is used to control
185 	 * the muxing of various onboard interfaces.
186 	 */
187 
188 	io = in_le32(dcfg_ccsr + DCFG_RCWSR12);
189 	mux_sdhc1 = (io >> DCFG_RCWSR12_SDHC_SHIFT) & DCFG_RCWSR12_SDHC_MASK;
190 
191 	/* Disable esdhc1/dspi1 if not selected. */
192 	if (mux_sdhc1 != 0)
193 		do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
194 				 sizeof("disabled"), 1);
195 	if (mux_sdhc1 != 2)
196 		do_fixup_by_path(blob, dspi1_path, "status", "disabled",
197 				 sizeof("disabled"), 1);
198 
199 	io = in_le32(dcfg_ccsr + DCFG_RCWSR13);
200 	mux_sdhc2 = (io >> DCFG_RCWSR13_SDHC_SHIFT) & DCFG_RCWSR13_SDHC_MASK;
201 
202 	/* Disable esdhc2/dspi2 if not selected. */
203 	if (mux_sdhc2 != 0)
204 		do_fixup_by_path(blob, esdhc2_path, "status", "disabled",
205 				 sizeof("disabled"), 1);
206 	if (mux_sdhc2 != 2)
207 		do_fixup_by_path(blob, dspi2_path, "status", "disabled",
208 				 sizeof("disabled"), 1);
209 
210 	return 0;
211 }
212 
213 #ifdef CONFIG_OF_BOARD_SETUP
ft_board_setup(void * blob,struct bd_info * bd)214 int ft_board_setup(void *blob, struct bd_info *bd)
215 {
216 	u64 base[CONFIG_NR_DRAM_BANKS];
217 	u64 size[CONFIG_NR_DRAM_BANKS];
218 
219 	ft_cpu_setup(blob, bd);
220 
221 	/* fixup DT for the two GPP DDR banks */
222 	base[0] = gd->bd->bi_dram[0].start;
223 	size[0] = gd->bd->bi_dram[0].size;
224 	base[1] = gd->bd->bi_dram[1].start;
225 	size[1] = gd->bd->bi_dram[1].size;
226 
227 #ifdef CONFIG_RESV_RAM
228 	/* reduce size if reserved memory is within this bank */
229 	if (gd->arch.resv_ram >= base[0] &&
230 	    gd->arch.resv_ram < base[0] + size[0])
231 		size[0] = gd->arch.resv_ram - base[0];
232 	else if (gd->arch.resv_ram >= base[1] &&
233 		 gd->arch.resv_ram < base[1] + size[1])
234 		size[1] = gd->arch.resv_ram - base[1];
235 #endif
236 
237 	fdt_fixup_memory_banks(blob, base, size, 2);
238 
239 	fdt_fixup_icid(blob);
240 
241 #ifdef CONFIG_FSL_ENETC
242 	fdt_fixup_enetc_mac(blob);
243 #endif
244 
245 	return 0;
246 }
247 #endif
248 
249 #ifdef CONFIG_FSL_QIXIS
checkboard(void)250 int checkboard(void)
251 {
252 #ifdef CONFIG_TFABOOT
253 	enum boot_src src = get_boot_src();
254 #endif
255 	u8 sw;
256 
257 	int clock;
258 	char *board;
259 	char buf[64] = {0};
260 	static const char *freq[6] = {"100.00", "125.00", "156.25",
261 					"161.13", "322.26", "100.00 SS"};
262 
263 	cpu_name(buf);
264 	/* find the board details */
265 	sw = QIXIS_READ(id);
266 
267 	switch (sw) {
268 	case 0x46:
269 		board = "QDS";
270 		break;
271 	case 0x47:
272 		board = "RDB";
273 		break;
274 	case 0x49:
275 		board = "HSSI";
276 		break;
277 	default:
278 		board = "unknown";
279 		break;
280 	}
281 
282 	sw = QIXIS_READ(arch);
283 	printf("Board: %s-%s, Version: %c, boot from ",
284 	       buf, board, (sw & 0xf) + 'A' - 1);
285 
286 	sw = QIXIS_READ(brdcfg[0]);
287 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
288 
289 #ifdef CONFIG_TFABOOT
290 	if (src == BOOT_SOURCE_SD_MMC) {
291 		puts("SD\n");
292 	} else if (src == BOOT_SOURCE_SD_MMC2) {
293 		puts("eMMC\n");
294 	} else {
295 #endif
296 #ifdef CONFIG_SD_BOOT
297 		puts("SD\n");
298 #elif defined(CONFIG_EMMC_BOOT)
299 		puts("eMMC\n");
300 #else
301 		switch (sw) {
302 		case 0:
303 		case 4:
304 			printf("NOR\n");
305 			break;
306 		case 1:
307 			printf("NAND\n");
308 			break;
309 		default:
310 			printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
311 			break;
312 		}
313 #endif
314 #ifdef CONFIG_TFABOOT
315 	}
316 #endif
317 
318 	printf("FPGA: v%d (%s)\n", QIXIS_READ(scver), board);
319 	puts("SERDES1 Reference : ");
320 
321 	sw = QIXIS_READ(brdcfg[2]);
322 #ifdef CONFIG_TARGET_LS1028ARDB
323 	clock = (sw >> 6) & 3;
324 #else
325 	clock = (sw >> 4) & 0xf;
326 #endif
327 
328 	printf("Clock1 = %sMHz ", freq[clock]);
329 #ifdef CONFIG_TARGET_LS1028ARDB
330 	clock = (sw >> 4) & 3;
331 #else
332 	clock = sw & 0xf;
333 #endif
334 	printf("Clock2 = %sMHz\n", freq[clock]);
335 
336 	return 0;
337 }
338 #endif
339