286 lines
7.6 KiB
C
286 lines
7.6 KiB
C
/*
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* Copyright (C) 2016 Atmel
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* Wenyou.Yang <wenyou.yang@atmel.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <atmel_hlcdc.h>
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#include <lcd.h>
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#include <mmc.h>
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#include <net.h>
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#include <netdev.h>
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#include <spi.h>
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#include <version.h>
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#include <asm/io.h>
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#include <asm/arch/at91_common.h>
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#include <asm/arch/atmel_pio4.h>
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#include <asm/arch/atmel_mpddrc.h>
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#include <asm/arch/atmel_usba_udc.h>
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#include <asm/arch/atmel_sdhci.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/sama5_sfr.h>
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#include <asm/arch/sama5d2.h>
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#include <asm/arch/sama5d3_smc.h>
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DECLARE_GLOBAL_DATA_PTR;
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int spi_cs_is_valid(unsigned int bus, unsigned int cs)
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{
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return bus == 0 && cs == 0;
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}
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void spi_cs_activate(struct spi_slave *slave)
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{
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atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 0);
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}
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void spi_cs_deactivate(struct spi_slave *slave)
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{
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atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1);
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}
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static void board_spi0_hw_init(void)
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{
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atmel_pio4_set_a_periph(AT91_PIO_PORTA, 14, 0);
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atmel_pio4_set_a_periph(AT91_PIO_PORTA, 15, 0);
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atmel_pio4_set_a_periph(AT91_PIO_PORTA, 16, 0);
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atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1);
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at91_periph_clk_enable(ATMEL_ID_SPI0);
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}
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static void board_nand_hw_init(void)
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{
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struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
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struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR;
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at91_periph_clk_enable(ATMEL_ID_HSMC);
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writel(AT91_SFR_EBICFG_DRIVE0_HIGH |
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AT91_SFR_EBICFG_PULL0_NONE |
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AT91_SFR_EBICFG_DRIVE1_HIGH |
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AT91_SFR_EBICFG_PULL1_NONE, &sfr->ebicfg);
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/* Configure SMC CS3 for NAND */
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writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
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AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
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&smc->cs[3].setup);
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writel(AT91_SMC_PULSE_NWE(2) | AT91_SMC_PULSE_NCS_WR(3) |
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AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(3),
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&smc->cs[3].pulse);
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writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
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&smc->cs[3].cycle);
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writel(AT91_SMC_TIMINGS_TCLR(2) | AT91_SMC_TIMINGS_TADL(7) |
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AT91_SMC_TIMINGS_TAR(2) | AT91_SMC_TIMINGS_TRR(3) |
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AT91_SMC_TIMINGS_TWB(7) | AT91_SMC_TIMINGS_RBNSEL(3) |
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AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
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writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
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AT91_SMC_MODE_EXNW_DISABLE |
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AT91_SMC_MODE_DBW_8 |
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AT91_SMC_MODE_TDF_CYCLE(3),
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&smc->cs[3].mode);
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 0, 0); /* D0 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 1, 0); /* D1 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 2, 0); /* D2 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 3, 0); /* D3 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 4, 0); /* D4 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 5, 0); /* D5 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 6, 0); /* D6 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 7, 0); /* D7 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 12, 0); /* RE */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 8, 0); /* WE */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 9, 1); /* NCS */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 21, 1); /* RDY */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 10, 1); /* ALE */
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atmel_pio4_set_f_periph(AT91_PIO_PORTA, 11, 1); /* CLE */
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}
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static void board_usb_hw_init(void)
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{
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atmel_pio4_set_pio_output(AT91_PIO_PORTA, 28, 1);
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}
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static void board_gmac_hw_init(void)
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{
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 14, 0); /* GTXCK */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 15, 0); /* GTXEN */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 16, 0); /* GRXDV */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 17, 0); /* GRXER */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 18, 0); /* GRX0 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 19, 0); /* GRX1 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 20, 0); /* GTX0 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 21, 0); /* GTX1 */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 22, 0); /* GMDC */
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atmel_pio4_set_f_periph(AT91_PIO_PORTB, 23, 0); /* GMDIO */
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at91_periph_clk_enable(ATMEL_ID_GMAC);
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}
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static void board_uart0_hw_init(void)
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{
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atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, 1); /* URXD0 */
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atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */
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at91_periph_clk_enable(CONFIG_USART_ID);
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}
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int board_early_init_f(void)
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{
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at91_periph_clk_enable(ATMEL_ID_PIOA);
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at91_periph_clk_enable(ATMEL_ID_PIOB);
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at91_periph_clk_enable(ATMEL_ID_PIOC);
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at91_periph_clk_enable(ATMEL_ID_PIOD);
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board_uart0_hw_init();
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return 0;
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}
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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#ifdef CONFIG_ATMEL_SPI
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board_spi0_hw_init();
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#endif
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#ifdef CONFIG_NAND_ATMEL
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board_nand_hw_init();
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#endif
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#ifdef CONFIG_MACB
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board_gmac_hw_init();
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#endif
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#ifdef CONFIG_CMD_USB
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board_usb_hw_init();
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#endif
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#ifdef CONFIG_USB_GADGET_ATMEL_USBA
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at91_udp_hw_init();
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#endif
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return 0;
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}
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int dram_init(void)
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{
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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CONFIG_SYS_SDRAM_SIZE);
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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int rc = 0;
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#ifdef CONFIG_MACB
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rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00);
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if (rc)
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printf("GMAC register failed\n");
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#endif
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#ifdef CONFIG_USB_GADGET_ATMEL_USBA
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usba_udc_probe(&pdata);
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#ifdef CONFIG_USB_ETH_RNDIS
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usb_eth_initialize(bis);
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#endif
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#endif
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return rc;
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}
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/* SPL */
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#ifdef CONFIG_SPL_BUILD
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void spl_board_init(void)
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{
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#ifdef CONFIG_SYS_USE_SERIALFLASH
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board_spi0_hw_init();
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#endif
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#ifdef CONFIG_SYS_USE_NANDFLASH
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board_nand_hw_init();
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#endif
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}
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static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
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{
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ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM);
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ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
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ATMEL_MPDDRC_CR_NR_ROW_14 |
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ATMEL_MPDDRC_CR_CAS_DDR_CAS5 |
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ATMEL_MPDDRC_CR_DIC_DS |
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ATMEL_MPDDRC_CR_DIS_DLL |
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ATMEL_MPDDRC_CR_NB_8BANKS |
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ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
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ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
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ddrc->rtr = 0x511;
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ddrc->tpr0 = ((6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET) |
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(3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET) |
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(4 << ATMEL_MPDDRC_TPR0_TWR_OFFSET) |
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(9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET) |
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(3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET) |
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(4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET) |
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(4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET) |
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(4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET));
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ddrc->tpr1 = ((27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET) |
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(29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET) |
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(0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET) |
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(3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET));
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ddrc->tpr2 = ((0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET) |
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(0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET) |
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(0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET) |
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(4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET) |
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(7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET));
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}
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void mem_init(void)
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{
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struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
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struct atmel_mpddrc_config ddrc_config;
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u32 reg;
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ddrc_conf(&ddrc_config);
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at91_periph_clk_enable(ATMEL_ID_MPDDRC);
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at91_system_clk_enable(AT91_PMC_DDR);
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reg = readl(&mpddrc->io_calibr);
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reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
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reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
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reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
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reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(100);
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writel(reg, &mpddrc->io_calibr);
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writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE,
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&mpddrc->rd_data_path);
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ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
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writel(0x3, &mpddrc->cal_mr4);
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writel(64, &mpddrc->tim_cal);
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}
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void at91_pmc_init(void)
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{
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at91_plla_init(AT91_PMC_PLLAR_29 |
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AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
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AT91_PMC_PLLXR_MUL(82) |
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AT91_PMC_PLLXR_DIV(1));
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at91_pllicpr_init(0);
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at91_mck_init(AT91_PMC_MCKR_H32MXDIV |
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AT91_PMC_MCKR_PLLADIV_2 |
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AT91_PMC_MCKR_MDIV_3 |
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AT91_PMC_MCKR_CSS_PLLA);
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}
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#endif
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