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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*/
#include <common.h>
#include <debug_uart.h>
#include <init.h>
#include <net.h>
#include <vsprintf.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/clk.h>
#include <asm/arch/at91sam9g45_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clk.h>
#include <linux/mtd/rawnand.h>
#include <atmel_lcdc.h>
#include <asm/mach-types.h>
DECLARE_GLOBAL_DATA_PTR;
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
#ifdef CONFIG_CMD_NAND
void at91sam9m10g45ek_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;
/* Enable CS3 */
csa = readl(&matrix->ebicsa);
csa |= AT91_MATRIX_EBI_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(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 |
#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(3),
&smc->cs[3].mode);
at91_periph_clk_enable(ATMEL_ID_PIOC);
/* Configure RDY/BSY */
at91_set_gpio_input(CFG_SYS_NAND_READY_PIN, 1);
/* Enable NandFlash */
at91_set_gpio_output(CFG_SYS_NAND_ENABLE_PIN, 1);
}
#endif
#if defined(CONFIG_SPL_BUILD)
#include <spl.h>
#include <nand.h>
void at91_spl_board_init(void)
{
/*
* On the at91sam9m10g45ek board, the chip wm9711 stays in the
* test mode, so it needs do some action to exit test mode.
*/
at91_periph_clk_enable(ATMEL_ID_PIODE);
at91_set_gpio_output(AT91_PIN_PD7, 0);
at91_set_gpio_output(AT91_PIN_PD8, 0);
at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1);
at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1);
#ifdef CONFIG_SD_BOOT
at91_mci_hw_init();
#elif CONFIG_NAND_BOOT
at91sam9m10g45ek_nand_hw_init();
#endif
}
#include <asm/arch/atmel_mpddrc.h>
static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
{
ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
ATMEL_MPDDRC_CR_NR_ROW_14 |
ATMEL_MPDDRC_CR_DQMS_SHARED |
ATMEL_MPDDRC_CR_CAS_DDR_CAS3);
ddr2->rtr = 0x24b;
ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */
2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */
2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */
8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 60 ns */
2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */
1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/
1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */
2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */
ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */
200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
}
void mem_init(void)
{
struct atmel_mpddrc_config ddr2;
ddr2_conf(&ddr2);
at91_system_clk_enable(AT91_PMC_DDR);
/* DDRAM2 Controller initialize */
ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);
}
#endif
#ifdef CONFIG_CMD_USB
static void at91sam9m10g45ek_usb_hw_init(void)
{
at91_periph_clk_enable(ATMEL_ID_PIODE);
at91_set_gpio_output(AT91_PIN_PD1, 0);
at91_set_gpio_output(AT91_PIN_PD3, 0);
}
#endif
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
{
at91_seriald_hw_init();
}
#endif
#ifdef CONFIG_BOARD_EARLY_INIT_F
int board_early_init_f(void)
{
return 0;
}
#endif
int board_init(void)
{
/* arch number of AT91SAM9M10G45EK-Board */
gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9M10G45EK;
/* adress of boot parameters */
gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
#ifdef CONFIG_CMD_NAND
at91sam9m10g45ek_nand_hw_init();
#endif
#ifdef CONFIG_CMD_USB
at91sam9m10g45ek_usb_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;
}
#ifdef CONFIG_RESET_PHY_R
void reset_phy(void)
{
}
#endif
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