2 * (C) Copyright 2007-2008
3 * Stelian Pop <stelian.pop@leadtechdesign.com>
4 * Lead Tech Design <www.leadtechdesign.com>
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/sizes.h>
27 #include <asm/arch/at91sam9g45.h>
28 #include <asm/arch/at91sam9_matrix.h>
29 #include <asm/arch/at91sam9_smc.h>
30 #include <asm/arch/at91_common.h>
31 #include <asm/arch/at91_pmc.h>
32 #include <asm/arch/at91_rstc.h>
33 #include <asm/arch/clk.h>
34 #include <asm/arch/gpio.h>
35 #include <asm/arch/io.h>
36 #include <asm/arch/hardware.h>
38 #include <atmel_lcdc.h>
39 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
44 DECLARE_GLOBAL_DATA_PTR
;
46 /* ------------------------------------------------------------------------- */
48 * Miscelaneous platform dependent initialisations
51 #ifdef CONFIG_CMD_NAND
52 static void at91sam9m10g45ek_nand_hw_init(void)
57 csa
= at91_sys_read(AT91_MATRIX_EBICSA
);
58 at91_sys_write(AT91_MATRIX_EBICSA
,
59 csa
| AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA
);
61 /* Configure SMC CS3 for NAND/SmartMedia */
62 at91_sys_write(AT91_SMC_SETUP(3),
63 AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
64 AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
65 at91_sys_write(AT91_SMC_PULSE(3),
66 AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(3) |
67 AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(2));
68 at91_sys_write(AT91_SMC_CYCLE(3),
69 AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(4));
70 at91_sys_write(AT91_SMC_MODE(3),
71 AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
|
72 AT91_SMC_EXNWMODE_DISABLE
|
73 #ifdef CONFIG_SYS_NAND_DBW_16
75 #else /* CONFIG_SYS_NAND_DBW_8 */
80 at91_sys_write(AT91_PMC_PCER
, 1 << AT91SAM9G45_ID_PIOC
);
82 /* Configure RDY/BSY */
83 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN
, 1);
85 /* Enable NandFlash */
86 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN
, 1);
91 static void at91sam9m10g45ek_usb_hw_init(void)
93 at91_sys_write(AT91_PMC_PCER
, 1 << AT91SAM9G45_ID_PIODE
);
95 at91_set_gpio_output(AT91_PIN_PD1
, 0);
96 at91_set_gpio_output(AT91_PIN_PD3
, 0);
101 static void at91sam9m10g45ek_macb_hw_init(void)
106 at91_sys_write(AT91_PMC_PCER
, 1 << AT91SAM9G45_ID_EMAC
);
109 * Disable pull-up on:
110 * RXDV (PA15) => PHY normal mode (not Test mode)
111 * ERX0 (PA12) => PHY ADDR0
112 * ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0
114 * PHY has internal pull-down
116 writel(pin_to_mask(AT91_PIN_PA15
) |
117 pin_to_mask(AT91_PIN_PA12
) |
118 pin_to_mask(AT91_PIN_PA13
),
119 pin_to_controller(AT91_PIN_PA0
) + PIO_PUDR
);
121 rstc
= at91_sys_read(AT91_RSTC_MR
);
123 /* Need to reset PHY -> 500ms reset */
124 at91_sys_write(AT91_RSTC_MR
, AT91_RSTC_KEY
|
125 (AT91_RSTC_ERSTL
& (0x0D << 8)) |
128 at91_sys_write(AT91_RSTC_CR
, AT91_RSTC_KEY
| AT91_RSTC_EXTRST
);
130 /* Wait for end hardware reset */
131 while (!(at91_sys_read(AT91_RSTC_SR
) & AT91_RSTC_NRSTL
));
133 /* Restore NRST value */
134 at91_sys_write(AT91_RSTC_MR
, AT91_RSTC_KEY
|
138 /* Re-enable pull-up */
139 writel(pin_to_mask(AT91_PIN_PA15
) |
140 pin_to_mask(AT91_PIN_PA12
) |
141 pin_to_mask(AT91_PIN_PA13
),
142 pin_to_controller(AT91_PIN_PA0
) + PIO_PUER
);
150 vidinfo_t panel_info
= {
154 vl_sync
: ATMEL_LCDC_INVLINE_NORMAL
|
155 ATMEL_LCDC_INVFRAME_NORMAL
,
164 mmio
: AT91SAM9G45_LCDC_BASE
,
168 void lcd_enable(void)
170 at91_set_A_periph(AT91_PIN_PE6
, 1); /* power up */
173 void lcd_disable(void)
175 at91_set_A_periph(AT91_PIN_PE6
, 0); /* power down */
178 static void at91sam9m10g45ek_lcd_hw_init(void)
180 at91_set_A_periph(AT91_PIN_PE0
, 0); /* LCDDPWR */
181 at91_set_A_periph(AT91_PIN_PE2
, 0); /* LCDCC */
182 at91_set_A_periph(AT91_PIN_PE3
, 0); /* LCDVSYNC */
183 at91_set_A_periph(AT91_PIN_PE4
, 0); /* LCDHSYNC */
184 at91_set_A_periph(AT91_PIN_PE5
, 0); /* LCDDOTCK */
186 at91_set_A_periph(AT91_PIN_PE7
, 0); /* LCDD0 */
187 at91_set_A_periph(AT91_PIN_PE8
, 0); /* LCDD1 */
188 at91_set_A_periph(AT91_PIN_PE9
, 0); /* LCDD2 */
189 at91_set_A_periph(AT91_PIN_PE10
, 0); /* LCDD3 */
190 at91_set_A_periph(AT91_PIN_PE11
, 0); /* LCDD4 */
191 at91_set_A_periph(AT91_PIN_PE12
, 0); /* LCDD5 */
192 at91_set_A_periph(AT91_PIN_PE13
, 0); /* LCDD6 */
193 at91_set_A_periph(AT91_PIN_PE14
, 0); /* LCDD7 */
194 at91_set_A_periph(AT91_PIN_PE15
, 0); /* LCDD8 */
195 at91_set_A_periph(AT91_PIN_PE16
, 0); /* LCDD9 */
196 at91_set_A_periph(AT91_PIN_PE17
, 0); /* LCDD10 */
197 at91_set_A_periph(AT91_PIN_PE18
, 0); /* LCDD11 */
198 at91_set_A_periph(AT91_PIN_PE19
, 0); /* LCDD12 */
199 at91_set_B_periph(AT91_PIN_PE20
, 0); /* LCDD13 */
200 at91_set_A_periph(AT91_PIN_PE21
, 0); /* LCDD14 */
201 at91_set_A_periph(AT91_PIN_PE22
, 0); /* LCDD15 */
202 at91_set_A_periph(AT91_PIN_PE23
, 0); /* LCDD16 */
203 at91_set_A_periph(AT91_PIN_PE24
, 0); /* LCDD17 */
204 at91_set_A_periph(AT91_PIN_PE25
, 0); /* LCDD18 */
205 at91_set_A_periph(AT91_PIN_PE26
, 0); /* LCDD19 */
206 at91_set_A_periph(AT91_PIN_PE27
, 0); /* LCDD20 */
207 at91_set_B_periph(AT91_PIN_PE28
, 0); /* LCDD21 */
208 at91_set_A_periph(AT91_PIN_PE29
, 0); /* LCDD22 */
209 at91_set_A_periph(AT91_PIN_PE30
, 0); /* LCDD23 */
211 at91_sys_write(AT91_PMC_PCER
, 1 << AT91SAM9G45_ID_LCDC
);
213 gd
->fb_base
= CONFIG_AT91SAM9G45_LCD_BASE
;
216 #ifdef CONFIG_LCD_INFO
220 void lcd_show_board_info(void)
222 ulong dram_size
, nand_size
;
226 lcd_printf ("%s\n", U_BOOT_VERSION
);
227 lcd_printf ("(C) 2008 ATMEL Corp\n");
228 lcd_printf ("at91support@atmel.com\n");
229 lcd_printf ("%s CPU at %s MHz\n",
230 CONFIG_SYS_AT91_CPU_NAME
,
231 strmhz(temp
, get_cpu_clk_rate()));
234 for (i
= 0; i
< CONFIG_NR_DRAM_BANKS
; i
++)
235 dram_size
+= gd
->bd
->bi_dram
[i
].size
;
237 for (i
= 0; i
< CONFIG_SYS_MAX_NAND_DEVICE
; i
++)
238 nand_size
+= nand_info
[i
].size
;
239 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n",
243 #endif /* CONFIG_LCD_INFO */
251 /* arch number of AT91SAM9M10G45EK-Board */
252 #ifdef CONFIG_AT91SAM9M10G45EK
253 gd
->bd
->bi_arch_number
= MACH_TYPE_AT91SAM9M10G45EK
;
254 #elif defined CONFIG_AT91SAM9G45EKES
255 gd
->bd
->bi_arch_number
= MACH_TYPE_AT91SAM9G45EKES
;
257 /* adress of boot parameters */
258 gd
->bd
->bi_boot_params
= PHYS_SDRAM
+ 0x100;
260 at91_serial_hw_init();
261 #ifdef CONFIG_CMD_NAND
262 at91sam9m10g45ek_nand_hw_init();
264 #ifdef CONFIG_CMD_USB
265 at91sam9m10g45ek_usb_hw_init();
267 #ifdef CONFIG_HAS_DATAFLASH
268 at91_spi0_hw_init(1 << 0);
270 #ifdef CONFIG_ATMEL_SPI
271 at91_spi0_hw_init(1 << 4);
275 at91sam9m10g45ek_macb_hw_init();
279 at91sam9m10g45ek_lcd_hw_init();
286 gd
->bd
->bi_dram
[0].start
= PHYS_SDRAM
;
287 gd
->bd
->bi_dram
[0].size
= PHYS_SDRAM_SIZE
;
291 #ifdef CONFIG_RESET_PHY_R
297 int board_eth_init(bd_t
*bis
)
301 rc
= macb_eth_initialize(0, (void *)AT91SAM9G45_BASE_EMAC
, 0x00);
306 /* SPI chip select control */
307 #ifdef CONFIG_ATMEL_SPI
310 int spi_cs_is_valid(unsigned int bus
, unsigned int cs
)
312 return bus
== 0 && cs
< 2;
315 void spi_cs_activate(struct spi_slave
*slave
)
319 at91_set_gpio_output(AT91_PIN_PB18
, 0);
323 at91_set_gpio_output(AT91_PIN_PB3
, 0);
328 void spi_cs_deactivate(struct spi_slave
*slave
)
332 at91_set_gpio_output(AT91_PIN_PB18
, 1);
336 at91_set_gpio_output(AT91_PIN_PB3
, 1);
340 #endif /* CONFIG_ATMEL_SPI */