diff options
Diffstat (limited to 'roms/u-boot/board/calao/usb_a9263/usb_a9263.c')
| -rw-r--r-- | roms/u-boot/board/calao/usb_a9263/usb_a9263.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/roms/u-boot/board/calao/usb_a9263/usb_a9263.c b/roms/u-boot/board/calao/usb_a9263/usb_a9263.c new file mode 100644 index 000000000..c0a5c518c --- /dev/null +++ b/roms/u-boot/board/calao/usb_a9263/usb_a9263.c @@ -0,0 +1,127 @@ +// 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(CONFIG_SYS_NAND_READY_PIN, "NAND ready/busy"); + gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); + + /* Enable NandFlash */ + gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "NAND enable"); + gpio_direction_output(CONFIG_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 = CONFIG_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 *)CONFIG_SYS_SDRAM_BASE, + CONFIG_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; +} |