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/arch/at91sam9261.h>
27 #include <asm/arch/at91sam9261_matrix.h>
28 #include <asm/arch/at91sam9_smc.h>
29 #include <asm/arch/at91_common.h>
30 #include <asm/arch/at91_pmc.h>
31 #include <asm/arch/at91_rstc.h>
32 #include <asm/arch/clk.h>
33 #include <asm/arch/gpio.h>
34 #include <asm/arch/io.h>
36 #include <atmel_lcdc.h>
37 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
42 DECLARE_GLOBAL_DATA_PTR;
44 /* ------------------------------------------------------------------------- */
46 * Miscelaneous platform dependent initialisations
49 #ifdef CONFIG_CMD_NAND
50 static void at91sam9261ek_nand_hw_init(void)
55 csa = at91_sys_read(AT91_MATRIX_EBICSA);
56 at91_sys_write(AT91_MATRIX_EBICSA,
57 csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
59 /* Configure SMC CS3 for NAND/SmartMedia */
60 at91_sys_write(AT91_SMC_SETUP(3),
61 AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
62 AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
63 at91_sys_write(AT91_SMC_PULSE(3),
64 AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
65 AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
66 at91_sys_write(AT91_SMC_CYCLE(3),
67 AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
68 at91_sys_write(AT91_SMC_MODE(3),
69 AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
70 AT91_SMC_EXNWMODE_DISABLE |
71 #ifdef CONFIG_SYS_NAND_DBW_16
73 #else /* CONFIG_SYS_NAND_DBW_8 */
78 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_PIOC);
80 /* Configure RDY/BSY */
81 at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
83 /* Enable NandFlash */
84 at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
86 at91_set_A_periph(AT91_PIN_PC0, 0); /* NANDOE */
87 at91_set_A_periph(AT91_PIN_PC1, 0); /* NANDWE */
91 #ifdef CONFIG_DRIVER_DM9000
92 static void at91sam9261ek_dm9000_hw_init(void)
94 /* Configure SMC CS2 for DM9000 */
95 at91_sys_write(AT91_SMC_SETUP(2),
96 AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) |
97 AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
98 at91_sys_write(AT91_SMC_PULSE(2),
99 AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) |
100 AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
101 at91_sys_write(AT91_SMC_CYCLE(2),
102 AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
103 at91_sys_write(AT91_SMC_MODE(2),
104 AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
105 AT91_SMC_EXNWMODE_DISABLE |
106 AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 |
109 /* Configure Reset signal as output */
110 at91_set_gpio_output(AT91_PIN_PC10, 0);
112 /* Configure Interrupt pin as input, no pull-up */
113 at91_set_gpio_input(AT91_PIN_PC11, 0);
118 vidinfo_t panel_info = {
122 vl_sync: ATMEL_LCDC_INVLINE_INVERTED |
123 ATMEL_LCDC_INVFRAME_INVERTED,
132 mmio: AT91SAM9261_LCDC_BASE,
135 void lcd_enable(void)
137 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
140 void lcd_disable(void)
142 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
145 static void at91sam9261ek_lcd_hw_init(void)
147 at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */
148 at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */
149 at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */
150 at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */
151 at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */
152 at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */
153 at91_set_A_periph(AT91_PIN_PB9, 0); /* LCDD4 */
154 at91_set_A_periph(AT91_PIN_PB10, 0); /* LCDD5 */
155 at91_set_A_periph(AT91_PIN_PB11, 0); /* LCDD6 */
156 at91_set_A_periph(AT91_PIN_PB12, 0); /* LCDD7 */
157 at91_set_A_periph(AT91_PIN_PB15, 0); /* LCDD10 */
158 at91_set_A_periph(AT91_PIN_PB16, 0); /* LCDD11 */
159 at91_set_A_periph(AT91_PIN_PB17, 0); /* LCDD12 */
160 at91_set_A_periph(AT91_PIN_PB18, 0); /* LCDD13 */
161 at91_set_A_periph(AT91_PIN_PB19, 0); /* LCDD14 */
162 at91_set_A_periph(AT91_PIN_PB20, 0); /* LCDD15 */
163 at91_set_B_periph(AT91_PIN_PB23, 0); /* LCDD18 */
164 at91_set_B_periph(AT91_PIN_PB24, 0); /* LCDD19 */
165 at91_set_B_periph(AT91_PIN_PB25, 0); /* LCDD20 */
166 at91_set_B_periph(AT91_PIN_PB26, 0); /* LCDD21 */
167 at91_set_B_periph(AT91_PIN_PB27, 0); /* LCDD22 */
168 at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */
170 at91_sys_write(AT91_PMC_SCER, AT91_PMC_HCK1);
172 gd->fb_base = AT91SAM9261_SRAM_BASE;
175 #ifdef CONFIG_LCD_INFO
179 void lcd_show_board_info(void)
181 ulong dram_size, nand_size;
185 lcd_printf ("%s\n", U_BOOT_VERSION);
186 lcd_printf ("(C) 2008 ATMEL Corp\n");
187 lcd_printf ("at91support@atmel.com\n");
188 lcd_printf ("%s CPU at %s MHz\n",
190 strmhz(temp, get_cpu_clk_rate()));
193 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
194 dram_size += gd->bd->bi_dram[i].size;
196 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
197 nand_size += nand_info[i].size;
198 lcd_printf (" %ld MB SDRAM, %ld MB NAND\n",
202 #endif /* CONFIG_LCD_INFO */
210 /* arch number of AT91SAM9261EK-Board */
211 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9261EK;
212 /* adress of boot parameters */
213 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
215 at91_serial_hw_init();
216 #ifdef CONFIG_CMD_NAND
217 at91sam9261ek_nand_hw_init();
219 #ifdef CONFIG_HAS_DATAFLASH
220 at91_spi0_hw_init(1 << 0);
222 #ifdef CONFIG_DRIVER_DM9000
223 at91sam9261ek_dm9000_hw_init();
226 at91sam9261ek_lcd_hw_init();
231 #ifdef CONFIG_DRIVER_DM9000
232 int board_eth_init(bd_t *bis)
234 return dm9000_initialize(bis);
239 gd->bd->bi_dram[0].start = PHYS_SDRAM;
240 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
244 #ifdef CONFIG_RESET_PHY_R
247 #ifdef CONFIG_DRIVER_DM9000
249 * Initialize ethernet HW addr prior to starting Linux,