1 // SPDX-License-Identifier: GPL-2.0+
3 * Bluewater Systems Snapper 9260/9G20 modules
5 * (C) Copyright 2011 Bluewater Systems
6 * Author: Andre Renaud <andre@bluewatersys.com>
7 * Author: Ryan Mallon <ryan@bluewatersys.com>
11 #include <atmel_lcd.h>
12 #include <atmel_lcdc.h>
13 #include <atmel_mci.h>
23 #include <asm/mach-types.h>
24 #include <asm/arch/at91sam9g45_matrix.h>
25 #include <asm/arch/at91sam9_smc.h>
26 #include <asm/arch/at91_common.h>
27 #include <asm/arch/at91_emac.h>
28 #include <asm/arch/at91_rstc.h>
29 #include <asm/arch/at91_rtc.h>
30 #include <asm/arch/at91_sck.h>
31 #include <asm/arch/atmel_serial.h>
32 #include <asm/arch/clk.h>
33 #include <asm/arch/gpio.h>
34 #include <dm/uclass-internal.h>
36 #ifdef CONFIG_GURNARD_SPLASH
37 #include "splash_logo.h"
40 DECLARE_GLOBAL_DATA_PTR;
42 /* IO Expander pins */
43 #define IO_EXP_ETH_RESET (0 << 1)
44 #define IO_EXP_ETH_POWER (1 << 1)
47 static void gurnard_macb_hw_init(void)
49 struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA;
51 at91_periph_clk_enable(ATMEL_ID_EMAC);
55 * RXDV (PA12) => MODE0 - PHY also has pull-up
56 * ERX0 (PA13) => MODE1 - PHY also has pull-up
57 * ERX1 (PA15) => MODE2 - PHY also has pull-up
59 writel(pin_to_mask(AT91_PIN_PA15) |
60 pin_to_mask(AT91_PIN_PA12) |
61 pin_to_mask(AT91_PIN_PA13),
70 #ifdef CONFIG_CMD_NAND
71 static int gurnard_nand_hw_init(void)
73 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
74 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
78 /* Enable CS3 as NAND/SmartMedia */
79 setbits_le32(&matrix->ebicsa, AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA);
81 /* Configure SMC CS3 for NAND/SmartMedia */
82 writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
83 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
85 writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(4) |
86 AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(4),
88 writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(7),
90 #ifdef CONFIG_SYS_NAND_DBW_16
91 flags = AT91_SMC_MODE_DBW_16;
93 flags = AT91_SMC_MODE_DBW_8;
95 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
96 AT91_SMC_MODE_EXNW_DISABLE |
98 AT91_SMC_MODE_TDF_CYCLE(3),
101 ret = gpio_request(CONFIG_SYS_NAND_READY_PIN, "nand_rdy");
104 gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
106 /* Enable NandFlash */
107 ret = gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "nand_ce");
110 gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
116 #ifdef CONFIG_GURNARD_SPLASH
117 static void lcd_splash(int width, int height)
121 u16 *base_addr = (u16 *)gd->video_bottom;
123 memset(base_addr, 0xff, width * height * 2);
125 * Blit the logo to the center of the screen
127 for (y = 0; y < BMP_LOGO_HEIGHT; y++) {
128 for (x = 0; x < BMP_LOGO_WIDTH; x++) {
130 colour = bmp_logo_palette[bmp_logo_bitmap[
131 y * BMP_LOGO_WIDTH + x]];
132 posx = x + (width - BMP_LOGO_WIDTH) / 2;
134 base_addr[posy * width + posx] = colour;
140 #ifdef CONFIG_DM_VIDEO
141 static void at91sam9g45_lcd_hw_init(void)
143 at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */
144 at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */
145 at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */
146 at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */
147 at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */
149 at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */
150 at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */
151 at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */
152 at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */
153 at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */
154 at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */
155 at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */
156 at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */
157 at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */
158 at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */
159 at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */
160 at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */
161 at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */
162 at91_set_B_periph(AT91_PIN_PE20, 0); /* LCDD13 */
163 at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */
164 at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */
165 at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */
166 at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */
167 at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */
168 at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */
169 at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */
170 at91_set_B_periph(AT91_PIN_PE28, 0); /* LCDD21 */
171 at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */
172 at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */
174 at91_periph_clk_enable(ATMEL_ID_LCDC);
178 #ifdef CONFIG_GURNARD_FPGA
180 * Initialise the memory bus settings so that we can talk to the
183 static int fpga_hw_init(void)
185 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
186 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
189 setbits_le32(&matrix->ebicsa, AT91_MATRIX_EBI_CS1A_SDRAMC);
191 at91_set_a_periph(2, 4, 0); /* EBIA21 */
192 at91_set_a_periph(2, 5, 0); /* EBIA22 */
193 at91_set_a_periph(2, 6, 0); /* EBIA23 */
194 at91_set_a_periph(2, 7, 0); /* EBIA24 */
195 at91_set_a_periph(2, 12, 0); /* EBIA25 */
196 for (i = 15; i <= 31; i++) /* EBINWAIT & EBID16 - 31 */
197 at91_set_a_periph(2, i, 0);
199 /* configure SMC cs0 for FPGA access timing */
200 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(2) |
201 AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(2),
203 writel(AT91_SMC_PULSE_NWE(5) | AT91_SMC_PULSE_NCS_WR(4) |
204 AT91_SMC_PULSE_NRD(6) | AT91_SMC_PULSE_NCS_RD(4),
206 writel(AT91_SMC_CYCLE_NWE(6) | AT91_SMC_CYCLE_NRD(6),
208 writel(AT91_SMC_MODE_BAT |
209 AT91_SMC_MODE_EXNW_DISABLE |
210 AT91_SMC_MODE_DBW_32 |
212 AT91_SMC_MODE_TDF_CYCLE(2),
215 /* Do a write to within EBI_CS1 to enable the SDCK */
216 writel(0, ATMEL_BASE_CS1);
222 #ifdef CONFIG_CMD_USB
224 #define USB0_ENABLE_PIN AT91_PIN_PB22
225 #define USB1_ENABLE_PIN AT91_PIN_PB23
227 void gurnard_usb_init(void)
229 at91_set_gpio_output(USB0_ENABLE_PIN, 1);
230 at91_set_gpio_value(USB0_ENABLE_PIN, 0);
231 at91_set_gpio_output(USB1_ENABLE_PIN, 1);
232 at91_set_gpio_value(USB1_ENABLE_PIN, 0);
236 #ifdef CONFIG_GENERIC_ATMEL_MCI
237 int cpu_mmc_init(bd_t *bis)
239 return atmel_mci_init((void *)ATMEL_BASE_MCI0);
243 static void gurnard_enable_console(int enable)
245 at91_set_gpio_output(AT91_PIN_PB14, 1);
246 at91_set_gpio_value(AT91_PIN_PB14, enable ? 0 : 1);
249 void at91sam9g45_slowclock_init(void)
252 * On AT91SAM9G45 revC CPUs, the slow clock can be based on an
253 * internal impreciseRC oscillator or an external 32kHz oscillator.
254 * Switch to the latter.
257 ulong *reg = (ulong *)ATMEL_BASE_SCKCR;
260 if ((tmp & AT91SAM9G45_SCKCR_OSCSEL) == AT91SAM9G45_SCKCR_OSCSEL_RC) {
262 tmp |= AT91SAM9G45_SCKCR_OSC32EN;
264 for (i = 0; i < 1200; i++)
266 tmp |= AT91SAM9G45_SCKCR_OSCSEL_32;
269 tmp &= ~AT91SAM9G45_SCKCR_RCEN;
274 int board_early_init_f(void)
276 at91_seriald_hw_init();
277 gurnard_enable_console(1);
285 #ifdef CONFIG_CMD_NAND
289 at91_periph_clk_enable(ATMEL_ID_PIOA);
290 at91_periph_clk_enable(ATMEL_ID_PIOB);
291 at91_periph_clk_enable(ATMEL_ID_PIOC);
292 at91_periph_clk_enable(ATMEL_ID_PIODE);
294 at91sam9g45_slowclock_init();
297 * Clear the RTC IDR to disable all IRQs. Avoid issues when Linux
298 * boots with spurious IRQs.
300 writel(0xffffffff, AT91_RTC_IDR);
302 /* Make sure that the reset signal is attached properly */
303 setbits_le32(AT91_ASM_RSTC_MR, AT91_RSTC_KEY | AT91_RSTC_MR_URSTEN);
305 gd->bd->bi_arch_number = MACH_TYPE_SNAPPER_9260;
307 /* Address of boot parameters */
308 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
310 #ifdef CONFIG_CMD_NAND
311 ret = gurnard_nand_hw_init();
315 #ifdef CONFIG_ATMEL_SPI
316 at91_spi0_hw_init(1 << 4);
320 gurnard_macb_hw_init();
323 #ifdef CONFIG_GURNARD_FPGA
327 #ifdef CONFIG_CMD_USB
331 #ifdef CONFIG_CMD_MMC
332 at91_set_A_periph(AT91_PIN_PA12, 0);
333 at91_set_gpio_output(AT91_PIN_PA8, 1);
334 at91_set_gpio_value(AT91_PIN_PA8, 0);
338 #ifdef CONFIG_DM_VIDEO
339 at91sam9g45_lcd_hw_init();
340 at91_set_A_periph(AT91_PIN_PE6, 1); /* power up */
342 /* Select the second timing index for board rev 2 */
343 rev_str = env_get("board_rev");
344 if (rev_str && !strncmp(rev_str, "2", 1)) {
347 uclass_find_first_device(UCLASS_VIDEO, &dev);
349 struct atmel_lcd_platdata *plat = dev_get_platdata(dev);
351 plat->timing_index = 1;
359 int board_late_init(void)
361 u_int8_t env_enetaddr[8];
367 * Set MAC address so we do not need to init Ethernet before Linux
370 env_str = env_get("ethaddr");
372 struct at91_emac *emac = (struct at91_emac *)ATMEL_BASE_EMAC;
373 /* Parse MAC address */
374 for (i = 0; i < 6; i++) {
375 env_enetaddr[i] = env_str ?
376 simple_strtoul(env_str, &end, 16) : 0;
378 env_str = (*end) ? end+1 : end;
381 /* Set hardware address */
382 writel(env_enetaddr[0] | env_enetaddr[1] << 8 |
383 env_enetaddr[2] << 16 | env_enetaddr[3] << 24,
385 writel((env_enetaddr[4] | env_enetaddr[5] << 8), &emac->sa2h);
387 printf("MAC: %s\n", env_get("ethaddr"));
389 /* Not set in environment */
390 printf("MAC: not set\n");
392 #ifdef CONFIG_GURNARD_SPLASH
393 lcd_splash(480, 272);
399 #ifndef CONFIG_DM_ETH
400 int board_eth_init(bd_t *bis)
402 return macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0);
408 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
409 CONFIG_SYS_SDRAM_SIZE);
417 static struct atmel_serial_platdata at91sam9260_serial_plat = {
418 .base_addr = ATMEL_BASE_DBGU,
421 U_BOOT_DEVICE(at91sam9260_serial) = {
422 .name = "serial_atmel",
423 .platdata = &at91sam9260_serial_plat,