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/at91sam9260.h>
27 #include <asm/arch/at91sam9260_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/gpio.h>
33 #include <asm/arch/io.h>
34 #include <asm/arch/hardware.h>
35 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
40 DECLARE_GLOBAL_DATA_PTR;
42 /* ------------------------------------------------------------------------- */
44 * Miscelaneous platform dependent initialisations
47 #ifdef CONFIG_CMD_NAND
48 static void at91sam9260ek_nand_hw_init(void)
53 csa = at91_sys_read(AT91_MATRIX_EBICSA);
54 at91_sys_write(AT91_MATRIX_EBICSA,
55 csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
57 /* Configure SMC CS3 for NAND/SmartMedia */
58 at91_sys_write(AT91_SMC_SETUP(3),
59 AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
60 AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
61 at91_sys_write(AT91_SMC_PULSE(3),
62 AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
63 AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
64 at91_sys_write(AT91_SMC_CYCLE(3),
65 AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
66 at91_sys_write(AT91_SMC_MODE(3),
67 AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
68 AT91_SMC_EXNWMODE_DISABLE |
69 #ifdef CONFIG_SYS_NAND_DBW_16
71 #else /* CONFIG_SYS_NAND_DBW_8 */
76 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
78 /* Configure RDY/BSY */
79 at91_set_gpio_input(AT91_PIN_PC13, 1);
81 /* Enable NandFlash */
82 at91_set_gpio_output(AT91_PIN_PC14, 1);
87 static void at91sam9260ek_macb_hw_init(void)
90 at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC);
94 * RXDV (PA17) => PHY normal mode (not Test mode)
95 * ERX0 (PA14) => PHY ADDR0
96 * ERX1 (PA15) => PHY ADDR1
97 * ERX2 (PA25) => PHY ADDR2
98 * ERX3 (PA26) => PHY ADDR3
99 * ECRS (PA28) => PHY ADDR4 => PHYADDR = 0x0
101 * PHY has internal pull-down
103 writel(pin_to_mask(AT91_PIN_PA14) |
104 pin_to_mask(AT91_PIN_PA15) |
105 pin_to_mask(AT91_PIN_PA17) |
106 pin_to_mask(AT91_PIN_PA25) |
107 pin_to_mask(AT91_PIN_PA26) |
108 pin_to_mask(AT91_PIN_PA28),
109 pin_to_controller(AT91_PIN_PA0) + PIO_PUDR);
111 /* Need to reset PHY -> 500ms reset */
112 at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
113 (AT91_RSTC_ERSTL & (0x0D << 8)) |
116 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
118 /* Wait for end hardware reset */
119 while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
121 /* Restore NRST value */
122 at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
123 (AT91_RSTC_ERSTL & (0x0 << 8)) |
126 /* Re-enable pull-up */
127 writel(pin_to_mask(AT91_PIN_PA14) |
128 pin_to_mask(AT91_PIN_PA15) |
129 pin_to_mask(AT91_PIN_PA17) |
130 pin_to_mask(AT91_PIN_PA25) |
131 pin_to_mask(AT91_PIN_PA26) |
132 pin_to_mask(AT91_PIN_PA28),
133 pin_to_controller(AT91_PIN_PA0) + PIO_PUER);
135 at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */
136 at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */
137 at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */
138 at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */
139 at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */
140 at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */
141 at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */
142 at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */
143 at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */
144 at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */
147 at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */
148 at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */
149 at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */
150 at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */
151 at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */
152 #if defined(CONFIG_AT91SAM9260EK)
154 * use PA10, PA11 for ETX2, ETX3.
155 * PA23 and PA24 are for TWI EEPROM
157 at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */
158 at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */
160 at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */
161 at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */
163 at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */
174 /* arch number of AT91SAM9260EK-Board */
175 gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9260EK;
176 /* adress of boot parameters */
177 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
179 at91_serial_hw_init();
180 #ifdef CONFIG_CMD_NAND
181 at91sam9260ek_nand_hw_init();
183 #ifdef CONFIG_HAS_DATAFLASH
184 at91_spi0_hw_init((1 << 0) || (1 << 1));
187 at91sam9260ek_macb_hw_init();
195 gd->bd->bi_dram[0].start = PHYS_SDRAM;
196 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
200 #ifdef CONFIG_RESET_PHY_R
205 * Initialize ethernet HW addr prior to starting Linux,
213 int board_eth_init(bd_t *bis)
217 rc = macb_eth_initialize(0, (void *)AT91SAM9260_BASE_EMAC, 0x00);