1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2007-2013
4 * Stelian Pop <stelian.pop@leadtechdesign.com>
5 * Lead Tech Design <www.leadtechdesign.com>
6 * Thomas Petazzoni, Free Electrons, <thomas.petazzoni@free-electrons.com>
7 * Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
12 #include <asm/arch/at91sam9_smc.h>
13 #include <asm/arch/at91_common.h>
14 #include <asm/arch/at91_matrix.h>
15 #include <asm/arch/clk.h>
16 #include <asm/arch/gpio.h>
17 #include <asm-generic/gpio.h>
22 DECLARE_GLOBAL_DATA_PTR;
24 #ifdef CONFIG_CMD_NAND
25 static void usb_a9263_nand_hw_init(void)
28 at91_smc_t *smc = (at91_smc_t *)ATMEL_BASE_SMC0;
29 at91_matrix_t *matrix = (at91_matrix_t *)ATMEL_BASE_MATRIX;
32 csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
33 writel(csa, &matrix->csa[0]);
35 /* Configure SMC CS3 for NAND/SmartMedia */
36 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
37 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
40 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
41 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
44 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
47 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
48 AT91_SMC_MODE_EXNW_DISABLE |
50 AT91_SMC_MODE_TDF_CYCLE(2), &smc->cs[3].mode);
52 at91_periph_clk_enable(ATMEL_ID_PIOA);
53 at91_periph_clk_enable(ATMEL_ID_PIOCDE);
55 /* Configure RDY/BSY */
56 gpio_request(CONFIG_SYS_NAND_READY_PIN, "NAND ready/busy");
57 gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
59 /* Enable NandFlash */
60 gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "NAND enable");
61 gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
66 static void usb_a9263_macb_hw_init(void)
68 at91_periph_clk_enable(ATMEL_ID_EMAC);
72 * RXDV (PC25) => PHY normal mode (not Test mode)
73 * ERX0 (PE25) => PHY ADDR0
74 * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
76 * PHY has internal weak pull-up/pull-down
78 gpio_request(GPIO_PIN_PC(25), "PHY mode");
79 gpio_direction_input(GPIO_PIN_PC(25));
81 gpio_request(GPIO_PIN_PE(25), "PHY ADDR0");
82 gpio_direction_input(GPIO_PIN_PE(25));
84 gpio_request(GPIO_PIN_PE(26), "PHY ADDR1");
85 gpio_direction_input(GPIO_PIN_PE(26));
89 /* It will set proper pinmux for ports PC25, PE25-26 */
96 /* adress of boot parameters */
97 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
99 #ifdef CONFIG_CMD_NAND
100 usb_a9263_nand_hw_init();
103 usb_a9263_macb_hw_init();
105 #ifdef CONFIG_USB_OHCI_NEW
113 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
114 CONFIG_SYS_SDRAM_SIZE);
118 int board_eth_init(bd_t *bis)
123 rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x0001);