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Wenyou Yang75238f22015-10-30 09:55:52 +08001/*
2 * Copyright (C) 2015 Atmel Corporation
3 * Wenyou.Yang <wenyou.yang@atmel.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <common.h>
9#include <atmel_hlcdc.h>
Wenyou Yang2992dd82016-10-17 09:55:26 +080010#include <debug_uart.h>
Wenyou Yang0daa2e12016-10-17 09:55:25 +080011#include <dm.h>
12#include <i2c.h>
Wenyou Yang75238f22015-10-30 09:55:52 +080013#include <lcd.h>
14#include <mmc.h>
15#include <net.h>
16#include <netdev.h>
17#include <spi.h>
18#include <version.h>
19#include <asm/io.h>
20#include <asm/arch/at91_common.h>
Wenyou Yang75238f22015-10-30 09:55:52 +080021#include <asm/arch/atmel_pio4.h>
Wenyou Yang37dadbc2016-02-01 18:18:21 +080022#include <asm/arch/atmel_mpddrc.h>
Wenyou Yang75238f22015-10-30 09:55:52 +080023#include <asm/arch/atmel_usba_udc.h>
24#include <asm/arch/atmel_sdhci.h>
25#include <asm/arch/clk.h>
26#include <asm/arch/gpio.h>
27#include <asm/arch/sama5d2.h>
28
29DECLARE_GLOBAL_DATA_PTR;
30
Wenyou Yang75238f22015-10-30 09:55:52 +080031static void board_usb_hw_init(void)
32{
33 atmel_pio4_set_pio_output(AT91_PIO_PORTB, 10, 1);
34}
35
36#ifdef CONFIG_LCD
37vidinfo_t panel_info = {
38 .vl_col = 480,
39 .vl_row = 272,
40 .vl_clk = 9000000,
41 .vl_bpix = LCD_BPP,
42 .vl_tft = 1,
43 .vl_hsync_len = 41,
44 .vl_left_margin = 2,
45 .vl_right_margin = 2,
46 .vl_vsync_len = 11,
47 .vl_upper_margin = 2,
48 .vl_lower_margin = 2,
49 .mmio = ATMEL_BASE_LCDC,
50};
51
52/* No power up/down pin for the LCD pannel */
53void lcd_enable(void) { /* Empty! */ }
54void lcd_disable(void) { /* Empty! */ }
55
56unsigned int has_lcdc(void)
57{
58 return 1;
59}
60
61static void board_lcd_hw_init(void)
62{
63 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDPWM */
64 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDISP */
65 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDVSYNC */
66 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 31, 0); /* LCDHSYNC */
67 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 0, 0); /* LCDPCK */
68 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 1, 0); /* LCDDEN */
69
70 /* LCDDAT0 */
71 /* LCDDAT1 */
72 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDDAT2 */
73 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDDAT3 */
74 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDDAT4 */
75 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDDAT5 */
76 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDDAT6 */
77 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDDAT7 */
78
79 /* LCDDAT8 */
80 /* LCDDAT9 */
81 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDDAT10 */
82 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDDAT11 */
83 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDDAT12 */
84 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDDAT13 */
85 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDDAT14 */
86 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDDAT15 */
87
88 /* LCDD16 */
89 /* LCDD17 */
90 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDDAT18 */
91 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDDAT19 */
92 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDAT20 */
93 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 25, 0); /* LCDDAT21 */
94 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDDAT22 */
95 atmel_pio4_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDDAT23 */
96
97 at91_periph_clk_enable(ATMEL_ID_LCDC);
98}
99
100#ifdef CONFIG_LCD_INFO
101void lcd_show_board_info(void)
102{
103 ulong dram_size;
104 int i;
105 char temp[32];
106
107 lcd_printf("%s\n", U_BOOT_VERSION);
108 lcd_printf("2015 ATMEL Corp\n");
109 lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
110 strmhz(temp, get_cpu_clk_rate()));
111
112 dram_size = 0;
113 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
114 dram_size += gd->bd->bi_dram[i].size;
115
116 lcd_printf("%ld MB SDRAM\n", dram_size >> 20);
117}
118#endif /* CONFIG_LCD_INFO */
119#endif /* CONFIG_LCD */
120
121static void board_gmac_hw_init(void)
122{
123 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 14, 0); /* GTXCK */
124 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 15, 0); /* GTXEN */
125 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 16, 0); /* GRXDV */
126 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 17, 0); /* GRXER */
127 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 18, 0); /* GRX0 */
128 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 19, 0); /* GRX1 */
129 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 20, 0); /* GTX0 */
130 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 21, 0); /* GTX1 */
131 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 22, 0); /* GMDC */
132 atmel_pio4_set_f_periph(AT91_PIO_PORTB, 23, 0); /* GMDIO */
133
134 at91_periph_clk_enable(ATMEL_ID_GMAC);
135}
136
Wenyou Yang75238f22015-10-30 09:55:52 +0800137static void board_uart1_hw_init(void)
138{
139 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1); /* URXD1 */
140 atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */
141
142 at91_periph_clk_enable(ATMEL_ID_UART1);
143}
144
Wenyou Yang2992dd82016-10-17 09:55:26 +0800145#ifdef CONFIG_DEBUG_UART_BOARD_INIT
146void board_debug_uart_init(void)
Wenyou Yang75238f22015-10-30 09:55:52 +0800147{
Wenyou Yang75238f22015-10-30 09:55:52 +0800148 board_uart1_hw_init();
Wenyou Yang2992dd82016-10-17 09:55:26 +0800149}
150#endif
151
152#ifdef CONFIG_BOARD_EARLY_INIT_F
153int board_early_init_f(void)
154{
155#ifdef CONFIG_DEBUG_UART
156 debug_uart_init();
157#else
158 board_uart1_hw_init();
159#endif
Wenyou Yang75238f22015-10-30 09:55:52 +0800160
161 return 0;
162}
Wenyou Yang2992dd82016-10-17 09:55:26 +0800163#endif
Wenyou Yang75238f22015-10-30 09:55:52 +0800164
165int board_init(void)
166{
167 /* address of boot parameters */
168 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
169
Wenyou Yang75238f22015-10-30 09:55:52 +0800170#ifdef CONFIG_MACB
171 board_gmac_hw_init();
172#endif
173#ifdef CONFIG_LCD
174 board_lcd_hw_init();
175#endif
176#ifdef CONFIG_CMD_USB
177 board_usb_hw_init();
178#endif
179#ifdef CONFIG_USB_GADGET_ATMEL_USBA
180 at91_udp_hw_init();
181#endif
182
183 return 0;
184}
185
186int dram_init(void)
187{
188 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
189 CONFIG_SYS_SDRAM_SIZE);
190 return 0;
191}
192
193int board_eth_init(bd_t *bis)
194{
195 int rc = 0;
196
197#ifdef CONFIG_MACB
198 rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00);
199#endif
200
201#ifdef CONFIG_USB_GADGET_ATMEL_USBA
202 usba_udc_probe(&pdata);
203#ifdef CONFIG_USB_ETH_RNDIS
204 usb_eth_initialize(bis);
205#endif
206#endif
207
208 return rc;
209}
Wenyou Yang37dadbc2016-02-01 18:18:21 +0800210
Wenyou Yang0daa2e12016-10-17 09:55:25 +0800211#ifdef CONFIG_CMD_I2C
212static int set_ethaddr_from_eeprom(void)
213{
214 const int ETH_ADDR_LEN = 6;
215 unsigned char ethaddr[ETH_ADDR_LEN];
216 const char *ETHADDR_NAME = "ethaddr";
217 struct udevice *bus, *dev;
218
219 if (getenv(ETHADDR_NAME))
220 return 0;
221
222 if (uclass_get_device_by_seq(UCLASS_I2C, 1, &bus)) {
223 printf("Cannot find I2C bus 1\n");
224 return -1;
225 }
226
227 if (dm_i2c_probe(bus, AT24MAC_ADDR, 0, &dev)) {
228 printf("Failed to probe I2C chip\n");
229 return -1;
230 }
231
232 if (dm_i2c_read(dev, AT24MAC_REG, ethaddr, ETH_ADDR_LEN)) {
233 printf("Failed to read ethernet address from EEPROM\n");
234 return -1;
235 }
236
237 if (!is_valid_ethaddr(ethaddr)) {
238 printf("The ethernet address read from EEPROM is not valid!\n");
239 return -1;
240 }
241
242 return eth_setenv_enetaddr(ETHADDR_NAME, ethaddr);
243}
244#else
245static int set_ethaddr_from_eeprom(void)
246{
247 return 0;
248}
249#endif
250
251#ifdef CONFIG_MISC_INIT_R
252int misc_init_r(void)
253{
254 set_ethaddr_from_eeprom();
255
256 return 0;
257}
258#endif
259
Wenyou Yang37dadbc2016-02-01 18:18:21 +0800260/* SPL */
261#ifdef CONFIG_SPL_BUILD
262void spl_board_init(void)
263{
Wenyou Yang37dadbc2016-02-01 18:18:21 +0800264}
265
266static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
267{
268 ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM);
269
270 ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
271 ATMEL_MPDDRC_CR_NR_ROW_14 |
272 ATMEL_MPDDRC_CR_CAS_DDR_CAS5 |
273 ATMEL_MPDDRC_CR_DIC_DS |
274 ATMEL_MPDDRC_CR_DIS_DLL |
275 ATMEL_MPDDRC_CR_NB_8BANKS |
276 ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
277 ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
278
279 ddrc->rtr = 0x511;
280
281 ddrc->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
282 3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
283 4 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
284 9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
285 3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
286 4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
287 4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
288 4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
289
290 ddrc->tpr1 = (27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET |
291 29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
292 0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
293 3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET);
294
295 ddrc->tpr2 = (0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET |
296 0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
297 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
298 4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
299 7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET);
300}
301
302void mem_init(void)
303{
304 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
305 struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
306 struct atmel_mpddrc_config ddrc_config;
307 u32 reg;
308
309 ddrc_conf(&ddrc_config);
310
311 at91_periph_clk_enable(ATMEL_ID_MPDDRC);
312 writel(AT91_PMC_DDR, &pmc->scer);
313
314 reg = readl(&mpddrc->io_calibr);
315 reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
316 reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
317 reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
318 reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(100);
319 writel(reg, &mpddrc->io_calibr);
320
321 writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE,
322 &mpddrc->rd_data_path);
323
324 ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
325
326 writel(0x3, &mpddrc->cal_mr4);
327 writel(64, &mpddrc->tim_cal);
328}
329
330void at91_pmc_init(void)
331{
332 struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
333 u32 tmp;
334
335 tmp = AT91_PMC_PLLAR_29 |
336 AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
337 AT91_PMC_PLLXR_MUL(82) |
338 AT91_PMC_PLLXR_DIV(1);
339 at91_plla_init(tmp);
340
341 writel(0x0 << 8, &pmc->pllicpr);
342
343 tmp = AT91_PMC_MCKR_H32MXDIV |
344 AT91_PMC_MCKR_PLLADIV_2 |
345 AT91_PMC_MCKR_MDIV_3 |
346 AT91_PMC_MCKR_CSS_PLLA;
347 at91_mck_init(tmp);
348}
349#endif