128 lines
3.1 KiB
C
128 lines
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2007-2013
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* Stelian Pop <stelian.pop@leadtechdesign.com>
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* Lead Tech Design <www.leadtechdesign.com>
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* Thomas Petazzoni, Free Electrons, <thomas.petazzoni@free-electrons.com>
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* Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
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*/
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#include <common.h>
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#include <init.h>
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#include <asm/arch/at91sam9_smc.h>
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#include <asm/arch/at91_common.h>
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#include <asm/arch/at91_matrix.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/gpio.h>
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#include <asm-generic/gpio.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <net.h>
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#include <netdev.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_CMD_NAND
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static void usb_a9263_nand_hw_init(void)
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{
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unsigned long csa;
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at91_smc_t *smc = (at91_smc_t *)ATMEL_BASE_SMC0;
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at91_matrix_t *matrix = (at91_matrix_t *)ATMEL_BASE_MATRIX;
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/* Enable CS3 */
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csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
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writel(csa, &matrix->csa[0]);
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/* Configure SMC CS3 for NAND/SmartMedia */
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writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
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AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
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&smc->cs[3].setup);
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writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
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AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
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&smc->cs[3].pulse);
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writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
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&smc->cs[3].cycle);
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writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
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AT91_SMC_MODE_EXNW_DISABLE |
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AT91_SMC_MODE_DBW_8 |
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AT91_SMC_MODE_TDF_CYCLE(2), &smc->cs[3].mode);
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at91_periph_clk_enable(ATMEL_ID_PIOA);
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at91_periph_clk_enable(ATMEL_ID_PIOCDE);
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/* Configure RDY/BSY */
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gpio_request(CONFIG_SYS_NAND_READY_PIN, "NAND ready/busy");
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gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
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/* Enable NandFlash */
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gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "NAND enable");
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gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
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}
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#endif
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#ifdef CONFIG_MACB
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static void usb_a9263_macb_hw_init(void)
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{
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at91_periph_clk_enable(ATMEL_ID_EMAC);
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/*
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* Disable pull-up on:
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* RXDV (PC25) => PHY normal mode (not Test mode)
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* ERX0 (PE25) => PHY ADDR0
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* ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
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*
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* PHY has internal weak pull-up/pull-down
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*/
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gpio_request(GPIO_PIN_PC(25), "PHY mode");
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gpio_direction_input(GPIO_PIN_PC(25));
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gpio_request(GPIO_PIN_PE(25), "PHY ADDR0");
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gpio_direction_input(GPIO_PIN_PE(25));
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gpio_request(GPIO_PIN_PE(26), "PHY ADDR1");
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gpio_direction_input(GPIO_PIN_PE(26));
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at91_phy_reset();
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/* It will set proper pinmux for ports PC25, PE25-26 */
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at91_macb_hw_init();
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}
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#endif
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int board_init(void)
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{
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/* adress of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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#ifdef CONFIG_CMD_NAND
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usb_a9263_nand_hw_init();
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#endif
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#ifdef CONFIG_MACB
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usb_a9263_macb_hw_init();
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#endif
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#ifdef CONFIG_USB_OHCI_NEW
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at91_uhp_hw_init();
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#endif
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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CONFIG_SYS_SDRAM_SIZE);
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return 0;
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}
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int board_eth_init(struct bd_info *bis)
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{
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int rc = 0;
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#ifdef CONFIG_MACB
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rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x0001);
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#endif
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return rc;
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}
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