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arm: koelsch: Add support reset function
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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 /* LSI pin pull-up control */
257 #define PUPR5 0xe6060114
258 #define PUPR5_ETH 0x3FFC0000
259 #define PUPR5_ETH_MAGIC (1 << 27)
260 int board_init(void)
261 {
262         /* adress of boot parameters */
263         gd->bd->bi_boot_params = KOELSCH_SDRAM_BASE + 0x100;
264
265         /* Init PFC controller */
266         r8a7791_pinmux_init();
267
268         /* ETHER Enable */
269         gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
270         gpio_request(GPIO_FN_ETH_RX_ER, NULL);
271         gpio_request(GPIO_FN_ETH_RXD0, NULL);
272         gpio_request(GPIO_FN_ETH_RXD1, NULL);
273         gpio_request(GPIO_FN_ETH_LINK, NULL);
274         gpio_request(GPIO_FN_ETH_REFCLK, NULL);
275         gpio_request(GPIO_FN_ETH_MDIO, NULL);
276         gpio_request(GPIO_FN_ETH_TXD1, NULL);
277         gpio_request(GPIO_FN_ETH_TX_EN, NULL);
278         gpio_request(GPIO_FN_ETH_TXD0, NULL);
279         gpio_request(GPIO_FN_ETH_MDC, NULL);
280         gpio_request(GPIO_FN_IRQ0, NULL);
281
282         mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC);
283         gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */
284         mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC);
285
286         gpio_direction_output(GPIO_GP_5_22, 0);
287         mdelay(20);
288         gpio_set_value(GPIO_GP_5_22, 1);
289         udelay(1);
290
291         return 0;
292 }
293
294 #define CXR24 0xEE7003C0 /* MAC address high register */
295 #define CXR25 0xEE7003C8 /* MAC address low register */
296 int board_eth_init(bd_t *bis)
297 {
298 #ifdef CONFIG_SH_ETHER
299         int ret = -ENODEV;
300         u32 val;
301         unsigned char enetaddr[6];
302
303         ret = sh_eth_initialize(bis);
304         if (!eth_getenv_enetaddr("ethaddr", enetaddr))
305                 return ret;
306
307         /* Set Mac address */
308         val = enetaddr[0] << 24 | enetaddr[1] << 16 |
309                 enetaddr[2] << 8 | enetaddr[3];
310         writel(val, CXR24);
311
312         val = enetaddr[4] << 8 | enetaddr[5];
313         writel(val, CXR25);
314
315         return ret;
316 #else
317         return 0;
318 #endif
319 }
320
321 int dram_init(void)
322 {
323         gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
324         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
325
326         return 0;
327 }
328
329 /* koelsch has KSZ8041NL/RNL */
330 #define PHY_CONTROL1    0x1E
331 #define PHY_LED_MODE    0xC0000
332 #define PHY_LED_MODE_ACK        0x4000
333 int board_phy_config(struct phy_device *phydev)
334 {
335         int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
336         ret &= ~PHY_LED_MODE;
337         ret |= PHY_LED_MODE_ACK;
338         ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
339
340         return 0;
341 }
342
343 const struct rmobile_sysinfo sysinfo = {
344         CONFIG_RMOBILE_BOARD_STRING
345 };
346
347 void dram_init_banksize(void)
348 {
349         gd->bd->bi_dram[0].start = KOELSCH_SDRAM_BASE;
350         gd->bd->bi_dram[0].size = KOELSCH_SDRAM_SIZE;
351 }
352
353 int board_late_init(void)
354 {
355         return 0;
356 }
357
358 void reset_cpu(ulong addr)
359 {
360         u8 val;
361
362         i2c_set_bus_num(2); /* PowerIC connected to ch2 */
363         i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
364         val |= 0x02;
365         i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
366 }