xref: /openbmc/u-boot/board/renesas/koelsch/koelsch.c (revision e183a174)
1 /*
2  * board/renesas/koelsch/koelsch.c
3  *
4  * Copyright (C) 2013 Renesas Electronics Corporation
5  *
6  * SPDX-License-Identifier: GPL-2.0
7  *
8  */
9 
10 #include <common.h>
11 #include <malloc.h>
12 #include <asm/processor.h>
13 #include <asm/mach-types.h>
14 #include <asm/io.h>
15 #include <asm/errno.h>
16 #include <asm/arch/sys_proto.h>
17 #include <asm/gpio.h>
18 #include <asm/arch/rmobile.h>
19 #include <netdev.h>
20 #include <miiphy.h>
21 #include <i2c.h>
22 #include "qos.h"
23 
24 DECLARE_GLOBAL_DATA_PTR;
25 
26 #define s_init_wait(cnt) \
27 	({	\
28 		u32 i = 0x10000 * cnt;	\
29 		while (i > 0)	\
30 			i--;	\
31 	})
32 
33 
34 #define dbpdrgd_check(bsc) \
35 	({	\
36 		while ((readl(&bsc->dbpdrgd) & 0x1) != 0x1)	\
37 			;	\
38 	})
39 
40 #if defined(CONFIG_NORFLASH)
41 static void bsc_init(void)
42 {
43 	struct r8a7791_lbsc *lbsc = (struct r8a7791_lbsc *)LBSC_BASE;
44 	struct r8a7791_dbsc3 *dbsc3_0 = (struct r8a7791_dbsc3 *)DBSC3_0_BASE;
45 
46 	/* LBSC */
47 	writel(0x00000020, &lbsc->cs0ctrl);
48 	writel(0x00000020, &lbsc->cs1ctrl);
49 	writel(0x00002020, &lbsc->ecs0ctrl);
50 	writel(0x00002020, &lbsc->ecs1ctrl);
51 
52 	writel(0x077F077F, &lbsc->cswcr0);
53 	writel(0x077F077F, &lbsc->cswcr1);
54 	writel(0x077F077F, &lbsc->ecswcr0);
55 	writel(0x077F077F, &lbsc->ecswcr1);
56 
57 	/* DBSC3 */
58 	s_init_wait(10);
59 
60 	writel(0x0000A55A, &dbsc3_0->dbpdlck);
61 	writel(0x00000001, &dbsc3_0->dbpdrga);
62 	writel(0x80000000, &dbsc3_0->dbpdrgd);
63 	writel(0x00000004, &dbsc3_0->dbpdrga);
64 	dbpdrgd_check(dbsc3_0);
65 
66 	writel(0x00000006, &dbsc3_0->dbpdrga);
67 	writel(0x0001C000, &dbsc3_0->dbpdrgd);
68 
69 	writel(0x00000023, &dbsc3_0->dbpdrga);
70 	writel(0x00FD2480, &dbsc3_0->dbpdrgd);
71 
72 	writel(0x00000010, &dbsc3_0->dbpdrga);
73 	writel(0xF004649B, &dbsc3_0->dbpdrgd);
74 
75 	writel(0x0000000F, &dbsc3_0->dbpdrga);
76 	writel(0x00181EE4, &dbsc3_0->dbpdrgd);
77 
78 	writel(0x0000000E, &dbsc3_0->dbpdrga);
79 	writel(0x33C03812, &dbsc3_0->dbpdrgd);
80 
81 	writel(0x00000003, &dbsc3_0->dbpdrga);
82 	writel(0x0300C481, &dbsc3_0->dbpdrgd);
83 
84 	writel(0x00000007, &dbsc3_0->dbkind);
85 	writel(0x10030A02, &dbsc3_0->dbconf0);
86 	writel(0x00000001, &dbsc3_0->dbphytype);
87 	writel(0x00000000, &dbsc3_0->dbbl);
88 	writel(0x0000000B, &dbsc3_0->dbtr0);
89 	writel(0x00000008, &dbsc3_0->dbtr1);
90 	writel(0x00000000, &dbsc3_0->dbtr2);
91 	writel(0x0000000B, &dbsc3_0->dbtr3);
92 	writel(0x000C000B, &dbsc3_0->dbtr4);
93 	writel(0x00000027, &dbsc3_0->dbtr5);
94 	writel(0x0000001C, &dbsc3_0->dbtr6);
95 	writel(0x00000005, &dbsc3_0->dbtr7);
96 	writel(0x00000018, &dbsc3_0->dbtr8);
97 	writel(0x00000008, &dbsc3_0->dbtr9);
98 	writel(0x0000000C, &dbsc3_0->dbtr10);
99 	writel(0x00000009, &dbsc3_0->dbtr11);
100 	writel(0x00000012, &dbsc3_0->dbtr12);
101 	writel(0x000000D0, &dbsc3_0->dbtr13);
102 	writel(0x00140005, &dbsc3_0->dbtr14);
103 	writel(0x00050004, &dbsc3_0->dbtr15);
104 	writel(0x70233005, &dbsc3_0->dbtr16);
105 	writel(0x000C0000, &dbsc3_0->dbtr17);
106 	writel(0x00000300, &dbsc3_0->dbtr18);
107 	writel(0x00000040, &dbsc3_0->dbtr19);
108 	writel(0x00000001, &dbsc3_0->dbrnk0);
109 	writel(0x00020001, &dbsc3_0->dbadj0);
110 	writel(0x20082008, &dbsc3_0->dbadj2);
111 	writel(0x00020002, &dbsc3_0->dbwt0cnf0);
112 	writel(0x0000000F, &dbsc3_0->dbwt0cnf4);
113 
114 	writel(0x00000015, &dbsc3_0->dbpdrga);
115 	writel(0x00000D70, &dbsc3_0->dbpdrgd);
116 
117 	writel(0x00000016, &dbsc3_0->dbpdrga);
118 	writel(0x00000006, &dbsc3_0->dbpdrgd);
119 
120 	writel(0x00000017, &dbsc3_0->dbpdrga);
121 	writel(0x00000018, &dbsc3_0->dbpdrgd);
122 
123 	writel(0x00000012, &dbsc3_0->dbpdrga);
124 	writel(0x9D5CBB66, &dbsc3_0->dbpdrgd);
125 
126 	writel(0x00000013, &dbsc3_0->dbpdrga);
127 	writel(0x1A868300, &dbsc3_0->dbpdrgd);
128 
129 	writel(0x00000023, &dbsc3_0->dbpdrga);
130 	writel(0x00FDB6C0, &dbsc3_0->dbpdrgd);
131 
132 	writel(0x00000014, &dbsc3_0->dbpdrga);
133 	writel(0x300214D8, &dbsc3_0->dbpdrgd);
134 
135 	writel(0x0000001A, &dbsc3_0->dbpdrga);
136 	writel(0x930035C7, &dbsc3_0->dbpdrgd);
137 
138 	writel(0x00000060, &dbsc3_0->dbpdrga);
139 	writel(0x330657B2, &dbsc3_0->dbpdrgd);
140 
141 	writel(0x00000011, &dbsc3_0->dbpdrga);
142 	writel(0x1000040B, &dbsc3_0->dbpdrgd);
143 
144 	writel(0x0000FA00, &dbsc3_0->dbcmd);
145 	writel(0x00000001, &dbsc3_0->dbpdrga);
146 	writel(0x00000071, &dbsc3_0->dbpdrgd);
147 
148 	writel(0x00000004, &dbsc3_0->dbpdrga);
149 	dbpdrgd_check(dbsc3_0);
150 
151 	writel(0x0000FA00, &dbsc3_0->dbcmd);
152 	writel(0x2100FA00, &dbsc3_0->dbcmd);
153 	writel(0x0000FA00, &dbsc3_0->dbcmd);
154 	writel(0x0000FA00, &dbsc3_0->dbcmd);
155 	writel(0x0000FA00, &dbsc3_0->dbcmd);
156 	writel(0x0000FA00, &dbsc3_0->dbcmd);
157 	writel(0x0000FA00, &dbsc3_0->dbcmd);
158 	writel(0x0000FA00, &dbsc3_0->dbcmd);
159 	writel(0x0000FA00, &dbsc3_0->dbcmd);
160 
161 	writel(0x110000DB, &dbsc3_0->dbcmd);
162 
163 	writel(0x00000001, &dbsc3_0->dbpdrga);
164 	writel(0x00000181, &dbsc3_0->dbpdrgd);
165 
166 	writel(0x00000004, &dbsc3_0->dbpdrga);
167 	dbpdrgd_check(dbsc3_0);
168 
169 	writel(0x00000001, &dbsc3_0->dbpdrga);
170 	writel(0x0000FE01, &dbsc3_0->dbpdrgd);
171 
172 	writel(0x00000004, &dbsc3_0->dbpdrga);
173 	dbpdrgd_check(dbsc3_0);
174 
175 	writel(0x00000000, &dbsc3_0->dbbs0cnt1);
176 	writel(0x01004C20, &dbsc3_0->dbcalcnf);
177 	writel(0x014000AA, &dbsc3_0->dbcaltr);
178 	writel(0x00000140, &dbsc3_0->dbrfcnf0);
179 	writel(0x00081860, &dbsc3_0->dbrfcnf1);
180 	writel(0x00010000, &dbsc3_0->dbrfcnf2);
181 	writel(0x00000001, &dbsc3_0->dbrfen);
182 	writel(0x00000001, &dbsc3_0->dbacen);
183 }
184 #else
185 #define bsc_init() do {} while (0)
186 #endif /* CONFIG_NORFLASH */
187 
188 void s_init(void)
189 {
190 	struct r8a7791_rwdt *rwdt = (struct r8a7791_rwdt *)RWDT_BASE;
191 	struct r8a7791_swdt *swdt = (struct r8a7791_swdt *)SWDT_BASE;
192 
193 	/* Watchdog init */
194 	writel(0xA5A5A500, &rwdt->rwtcsra);
195 	writel(0xA5A5A500, &swdt->swtcsra);
196 
197 	/* QoS */
198 	qos_init();
199 
200 	/* BSC */
201 	bsc_init();
202 }
203 
204 #define MSTPSR1		0xE6150038
205 #define SMSTPCR1	0xE6150134
206 #define TMU0_MSTP125	(1 << 25)
207 
208 #define MSTPSR7		0xE61501C4
209 #define SMSTPCR7	0xE615014C
210 #define SCIF0_MSTP721	(1 << 21)
211 
212 #define MSTPSR8		0xE61509A0
213 #define SMSTPCR8	0xE6150990
214 #define ETHER_MSTP813	(1 << 13)
215 
216 #define PMMR	0xE6060000
217 #define GPSR4	0xE6060014
218 #define IPSR14	0xE6060058
219 
220 #define set_guard_reg(addr, mask, value)	\
221 { \
222 	u32 val; \
223 	val = (readl(addr) & ~(mask)) | (value); \
224 	writel(~val, PMMR); \
225 	writel(val, addr); \
226 }
227 
228 #define mstp_setbits(type, addr, saddr, set) \
229 	out_##type((saddr), in_##type(addr) | (set))
230 #define mstp_clrbits(type, addr, saddr, clear) \
231 	out_##type((saddr), in_##type(addr) & ~(clear))
232 #define mstp_setbits_le32(addr, saddr, set) \
233 	mstp_setbits(le32, addr, saddr, set)
234 #define mstp_clrbits_le32(addr, saddr, clear)   \
235 	mstp_clrbits(le32, addr, saddr, clear)
236 
237 int board_early_init_f(void)
238 {
239 	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
240 
241 #if defined(CONFIG_NORFLASH)
242 	/* SCIF0 */
243 	set_guard_reg(GPSR4, 0x34000000, 0x00000000);
244 	set_guard_reg(IPSR14, 0x00000FC7, 0x00000481);
245 	set_guard_reg(GPSR4, 0x00000000, 0x34000000);
246 #endif
247 
248 	mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
249 
250 	/* ETHER */
251 	mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
252 
253 	return 0;
254 }
255 
256 void arch_preboot_os(void)
257 {
258 	/* Disable TMU0 */
259 	mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
260 }
261 
262 /* LSI pin pull-up control */
263 #define PUPR5 0xe6060114
264 #define PUPR5_ETH 0x3FFC0000
265 #define PUPR5_ETH_MAGIC	(1 << 27)
266 int board_init(void)
267 {
268 	/* adress of boot parameters */
269 	gd->bd->bi_boot_params = KOELSCH_SDRAM_BASE + 0x100;
270 
271 	/* Init PFC controller */
272 	r8a7791_pinmux_init();
273 
274 	/* ETHER Enable */
275 	gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
276 	gpio_request(GPIO_FN_ETH_RX_ER, NULL);
277 	gpio_request(GPIO_FN_ETH_RXD0, NULL);
278 	gpio_request(GPIO_FN_ETH_RXD1, NULL);
279 	gpio_request(GPIO_FN_ETH_LINK, NULL);
280 	gpio_request(GPIO_FN_ETH_REFCLK, NULL);
281 	gpio_request(GPIO_FN_ETH_MDIO, NULL);
282 	gpio_request(GPIO_FN_ETH_TXD1, NULL);
283 	gpio_request(GPIO_FN_ETH_TX_EN, NULL);
284 	gpio_request(GPIO_FN_ETH_TXD0, NULL);
285 	gpio_request(GPIO_FN_ETH_MDC, NULL);
286 	gpio_request(GPIO_FN_IRQ0, NULL);
287 
288 	mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC);
289 	gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */
290 	mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC);
291 
292 	gpio_direction_output(GPIO_GP_5_22, 0);
293 	mdelay(20);
294 	gpio_set_value(GPIO_GP_5_22, 1);
295 	udelay(1);
296 
297 	return 0;
298 }
299 
300 #define CXR24 0xEE7003C0 /* MAC address high register */
301 #define CXR25 0xEE7003C8 /* MAC address low register */
302 int board_eth_init(bd_t *bis)
303 {
304 #ifdef CONFIG_SH_ETHER
305 	int ret = -ENODEV;
306 	u32 val;
307 	unsigned char enetaddr[6];
308 
309 	ret = sh_eth_initialize(bis);
310 	if (!eth_getenv_enetaddr("ethaddr", enetaddr))
311 		return ret;
312 
313 	/* Set Mac address */
314 	val = enetaddr[0] << 24 | enetaddr[1] << 16 |
315 		enetaddr[2] << 8 | enetaddr[3];
316 	writel(val, CXR24);
317 
318 	val = enetaddr[4] << 8 | enetaddr[5];
319 	writel(val, CXR25);
320 
321 	return ret;
322 #else
323 	return 0;
324 #endif
325 }
326 
327 int dram_init(void)
328 {
329 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
330 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
331 
332 	return 0;
333 }
334 
335 /* koelsch has KSZ8041NL/RNL */
336 #define PHY_CONTROL1	0x1E
337 #define PHY_LED_MODE	0xC0000
338 #define PHY_LED_MODE_ACK	0x4000
339 int board_phy_config(struct phy_device *phydev)
340 {
341 	int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
342 	ret &= ~PHY_LED_MODE;
343 	ret |= PHY_LED_MODE_ACK;
344 	ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
345 
346 	return 0;
347 }
348 
349 const struct rmobile_sysinfo sysinfo = {
350 	CONFIG_RMOBILE_BOARD_STRING
351 };
352 
353 void dram_init_banksize(void)
354 {
355 	gd->bd->bi_dram[0].start = KOELSCH_SDRAM_BASE;
356 	gd->bd->bi_dram[0].size = KOELSCH_SDRAM_SIZE;
357 }
358 
359 int board_late_init(void)
360 {
361 	return 0;
362 }
363 
364 void reset_cpu(ulong addr)
365 {
366 	u8 val;
367 
368 	i2c_set_bus_num(2); /* PowerIC connected to ch2 */
369 	i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
370 	val |= 0x02;
371 	i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
372 }
373