171 lines
3.7 KiB
C
171 lines
3.7 KiB
C
/*
|
|
* (C) Copyright 2007-2008
|
|
* Stelian Pop <stelian@popies.net>
|
|
* Lead Tech Design <www.leadtechdesign.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/at91sam9260_matrix.h>
|
|
#include <asm/arch/at91sam9_smc.h>
|
|
#include <asm/arch/at91_common.h>
|
|
#include <asm/arch/clk.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <atmel_mci.h>
|
|
|
|
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
|
|
# include <net.h>
|
|
#endif
|
|
#include <netdev.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
/*
|
|
* Miscelaneous platform dependent initialisations
|
|
*/
|
|
|
|
#ifdef CONFIG_CMD_NAND
|
|
static void at91sam9260ek_nand_hw_init(void)
|
|
{
|
|
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
|
|
struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
|
|
unsigned long csa;
|
|
|
|
/* Assign CS3 to NAND/SmartMedia Interface */
|
|
csa = readl(&matrix->ebicsa);
|
|
csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
|
|
writel(csa, &matrix->ebicsa);
|
|
|
|
/* 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 |
|
|
#ifdef CONFIG_SYS_NAND_DBW_16
|
|
AT91_SMC_MODE_DBW_16 |
|
|
#else /* CONFIG_SYS_NAND_DBW_8 */
|
|
AT91_SMC_MODE_DBW_8 |
|
|
#endif
|
|
AT91_SMC_MODE_TDF_CYCLE(2),
|
|
&smc->cs[3].mode);
|
|
|
|
/* Configure RDY/BSY */
|
|
at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
|
|
|
|
/* Enable NandFlash */
|
|
at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
|
|
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACB
|
|
static void at91sam9260ek_macb_hw_init(void)
|
|
{
|
|
struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA;
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_EMAC0);
|
|
|
|
/*
|
|
* Disable pull-up on:
|
|
* RXDV (PA17) => PHY normal mode (not Test mode)
|
|
* ERX0 (PA14) => PHY ADDR0
|
|
* ERX1 (PA15) => PHY ADDR1
|
|
* ERX2 (PA25) => PHY ADDR2
|
|
* ERX3 (PA26) => PHY ADDR3
|
|
* ECRS (PA28) => PHY ADDR4 => PHYADDR = 0x0
|
|
*
|
|
* PHY has internal pull-down
|
|
*/
|
|
writel(pin_to_mask(AT91_PIN_PA14) |
|
|
pin_to_mask(AT91_PIN_PA15) |
|
|
pin_to_mask(AT91_PIN_PA17) |
|
|
pin_to_mask(AT91_PIN_PA25) |
|
|
pin_to_mask(AT91_PIN_PA26) |
|
|
pin_to_mask(AT91_PIN_PA28),
|
|
&pioa->pudr);
|
|
|
|
at91_phy_reset();
|
|
|
|
/* Re-enable pull-up */
|
|
writel(pin_to_mask(AT91_PIN_PA14) |
|
|
pin_to_mask(AT91_PIN_PA15) |
|
|
pin_to_mask(AT91_PIN_PA17) |
|
|
pin_to_mask(AT91_PIN_PA25) |
|
|
pin_to_mask(AT91_PIN_PA26) |
|
|
pin_to_mask(AT91_PIN_PA28),
|
|
&pioa->puer);
|
|
|
|
/* Initialize EMAC=MACB hardware */
|
|
at91_macb_hw_init();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_GENERIC_ATMEL_MCI
|
|
int board_mmc_init(bd_t *bd)
|
|
{
|
|
at91_mci_hw_init();
|
|
|
|
return atmel_mci_init((void *)ATMEL_BASE_MCI);
|
|
}
|
|
#endif
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
at91_periph_clk_enable(ATMEL_ID_PIOA);
|
|
at91_periph_clk_enable(ATMEL_ID_PIOB);
|
|
at91_periph_clk_enable(ATMEL_ID_PIOC);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
/* adress of boot parameters */
|
|
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
|
|
|
|
at91_seriald_hw_init();
|
|
#ifdef CONFIG_CMD_NAND
|
|
at91sam9260ek_nand_hw_init();
|
|
#endif
|
|
#ifdef CONFIG_HAS_DATAFLASH
|
|
at91_spi0_hw_init((1 << 0) | (1 << 1));
|
|
#endif
|
|
#ifdef CONFIG_MACB
|
|
at91sam9260ek_macb_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;
|
|
}
|
|
|
|
#ifdef CONFIG_RESET_PHY_R
|
|
void reset_phy(void)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
int rc = 0;
|
|
#ifdef CONFIG_MACB
|
|
rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x00);
|
|
#endif
|
|
return rc;
|
|
}
|