mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-28 22:13:08 +00:00
cc1bdd23c0
Call the PDA detection mechanism at boot time so we can have the pda environment variable ready for use. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2017 Microchip Corporation
|
|
* Wenyou Yang <wenyou.yang@microchip.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <debug_uart.h>
|
|
#include <dm.h>
|
|
#include <i2c.h>
|
|
#include <nand.h>
|
|
#include <version.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/at91_common.h>
|
|
#include <asm/arch/atmel_pio4.h>
|
|
#include <asm/arch/atmel_mpddrc.h>
|
|
#include <asm/arch/atmel_sdhci.h>
|
|
#include <asm/arch/clk.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/sama5d2.h>
|
|
#include <asm/arch/sama5d2_smc.h>
|
|
|
|
extern void at91_pda_detect(void);
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#ifdef CONFIG_NAND_ATMEL
|
|
static void board_nand_hw_init(void)
|
|
{
|
|
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_HSMC);
|
|
|
|
/* Configure SMC CS3 for NAND */
|
|
writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
|
|
AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
|
|
&smc->cs[3].setup);
|
|
writel(AT91_SMC_PULSE_NWE(2) | AT91_SMC_PULSE_NCS_WR(4) |
|
|
AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(3),
|
|
&smc->cs[3].pulse);
|
|
writel(AT91_SMC_CYCLE_NWE(6) | AT91_SMC_CYCLE_NRD(5),
|
|
&smc->cs[3].cycle);
|
|
writel(AT91_SMC_TIMINGS_TCLR(2) | AT91_SMC_TIMINGS_TADL(7) |
|
|
AT91_SMC_TIMINGS_TAR(2) | AT91_SMC_TIMINGS_TRR(3) |
|
|
AT91_SMC_TIMINGS_TWB(7) | AT91_SMC_TIMINGS_RBNSEL(3) |
|
|
AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
|
|
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);
|
|
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 22, ATMEL_PIO_DRVSTR_ME); /* D0 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 23, ATMEL_PIO_DRVSTR_ME); /* D1 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 24, ATMEL_PIO_DRVSTR_ME); /* D2 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 25, ATMEL_PIO_DRVSTR_ME); /* D3 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 26, ATMEL_PIO_DRVSTR_ME); /* D4 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 27, ATMEL_PIO_DRVSTR_ME); /* D5 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 28, ATMEL_PIO_DRVSTR_ME); /* D6 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 29, ATMEL_PIO_DRVSTR_ME); /* D7 */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTB, 2, 0); /* RE */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 30, 0); /* WE */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTA, 31, ATMEL_PIO_PUEN_MASK); /* NCS */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTC, 8, ATMEL_PIO_PUEN_MASK); /* RDY */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTB, 0, ATMEL_PIO_PUEN_MASK); /* ALE */
|
|
atmel_pio4_set_b_periph(AT91_PIO_PORTB, 1, ATMEL_PIO_PUEN_MASK); /* CLE */
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_BOARD_LATE_INIT
|
|
int board_late_init(void)
|
|
{
|
|
at91_pda_detect();
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void board_usb_hw_init(void)
|
|
{
|
|
atmel_pio4_set_pio_output(AT91_PIO_PORTB, 12, ATMEL_PIO_PUEN_MASK);
|
|
}
|
|
|
|
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
|
|
static void board_uart0_hw_init(void)
|
|
{
|
|
atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, ATMEL_PIO_PUEN_MASK); /* URXD0 */
|
|
atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_UART0);
|
|
}
|
|
|
|
void board_debug_uart_init(void)
|
|
{
|
|
board_uart0_hw_init();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_BOARD_EARLY_INIT_F
|
|
int board_early_init_f(void)
|
|
{
|
|
#ifdef CONFIG_DEBUG_UART
|
|
debug_uart_init();
|
|
#endif
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
int board_init(void)
|
|
{
|
|
/* address of boot parameters */
|
|
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
|
|
|
|
#ifdef CONFIG_NAND_ATMEL
|
|
board_nand_hw_init();
|
|
#endif
|
|
#ifdef CONFIG_CMD_USB
|
|
board_usb_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;
|
|
}
|
|
|
|
#define AT24MAC_MAC_OFFSET 0xfa
|
|
|
|
#ifdef CONFIG_MISC_INIT_R
|
|
int misc_init_r(void)
|
|
{
|
|
#ifdef CONFIG_I2C_EEPROM
|
|
at91_set_ethaddr(AT24MAC_MAC_OFFSET);
|
|
#endif
|
|
return 0;
|
|
}
|
|
#endif
|