/*
|
* (C) Copyright 2010
|
* Ilko Iliev <iliev@ronetix.at>
|
* Asen Dimov <dimov@ronetix.at>
|
* Ronetix GmbH <www.ronetix.at>
|
*
|
* (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 <linux/sizes.h>
|
#include <asm/io.h>
|
#include <asm/gpio.h>
|
#include <asm/arch/at91sam9_smc.h>
|
#include <asm/arch/at91_common.h>
|
#include <asm/arch/at91_rstc.h>
|
#include <asm/arch/at91_matrix.h>
|
#include <asm/arch/gpio.h>
|
#include <asm/arch/clk.h>
|
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
|
#include <net.h>
|
#endif
|
#include <netdev.h>
|
#include <asm/mach-types.h>
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
/*
|
* Miscelaneous platform dependent initialisations
|
*/
|
|
#ifdef CONFIG_CMD_NAND
|
static void pm9g45_nand_hw_init(void)
|
{
|
unsigned long csa;
|
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
|
struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
|
|
/* Enable CS3 */
|
csa = readl(&matrix->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A;
|
writel(csa, &matrix->ccr[6]);
|
|
/* 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(4) | AT91_SMC_PULSE_NCS_WR(3) |
|
AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2),
|
&smc->cs[3].pulse);
|
|
writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4),
|
&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(3),
|
&smc->cs[3].mode);
|
|
at91_periph_clk_enable(ATMEL_ID_PIOC);
|
|
#ifdef CONFIG_SYS_NAND_READY_PIN
|
/* Configure RDY/BSY */
|
gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
|
#endif
|
|
/* Enable NandFlash */
|
gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
|
}
|
#endif
|
|
#ifdef CONFIG_MACB
|
static void pm9g45_macb_hw_init(void)
|
{
|
/*
|
* PD2 enables the 50MHz oscillator for Ethernet PHY
|
* 1 - enable
|
* 0 - disable
|
*/
|
at91_set_pio_output(AT91_PIO_PORTD, 2, 1);
|
at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */
|
|
at91_periph_clk_enable(ATMEL_ID_EMAC);
|
|
/*
|
* Disable pull-up on:
|
* RXDV (PA15) => PHY normal mode (not Test mode)
|
* ERX0 (PA12) => PHY ADDR0
|
* ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0
|
*
|
* PHY has internal pull-down
|
*/
|
at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
|
at91_set_pio_pullup(AT91_PIO_PORTA, 12, 0);
|
at91_set_pio_pullup(AT91_PIO_PORTA, 13, 0);
|
|
/* Re-enable pull-up */
|
at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
|
at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1);
|
at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1);
|
|
at91_macb_hw_init();
|
}
|
#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);
|
at91_periph_clk_enable(ATMEL_ID_PIODE);
|
|
at91_seriald_hw_init();
|
|
return 0;
|
}
|
|
int board_init(void)
|
{
|
/* arch number of AT91SAM9M10G45EK-Board */
|
gd->bd->bi_arch_number = MACH_TYPE_PM9G45;
|
/* adress of boot parameters */
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
#ifdef CONFIG_CMD_NAND
|
pm9g45_nand_hw_init();
|
#endif
|
|
#ifdef CONFIG_MACB
|
pm9g45_macb_hw_init();
|
#endif
|
return 0;
|
}
|
|
int dram_init(void)
|
{
|
/* dram_init must store complete ramsize in gd->ram_size */
|
gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
|
PHYS_SDRAM_SIZE);
|
return 0;
|
}
|
|
int dram_init_banksize(void)
|
{
|
gd->bd->bi_dram[0].start = PHYS_SDRAM;
|
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
|
|
return 0;
|
}
|
|
#ifdef CONFIG_RESET_PHY_R
|
void reset_phy(void)
|
{
|
#ifdef CONFIG_MACB
|
/*
|
* Initialize ethernet HW addr prior to starting Linux,
|
* needed for nfsroot
|
*/
|
eth_init();
|
#endif
|
}
|
#endif
|
|
int board_eth_init(bd_t *bis)
|
{
|
int rc = 0;
|
#ifdef CONFIG_MACB
|
rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
|
#endif
|
return rc;
|
}
|
