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