diff options
Diffstat (limited to 'board/denx/ma5d4evk/ma5d4evk.c')
| -rw-r--r-- | board/denx/ma5d4evk/ma5d4evk.c | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/board/denx/ma5d4evk/ma5d4evk.c b/board/denx/ma5d4evk/ma5d4evk.c new file mode 100644 index 0000000000..ec0fa28f3e --- /dev/null +++ b/board/denx/ma5d4evk/ma5d4evk.c @@ -0,0 +1,412 @@ +/* + * Copyright (C) 2015 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/atmel_mpddrc.h> +#include <asm/arch/atmel_usba_udc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <asm/arch/sama5d3_smc.h> +#include <asm/arch/sama5d4.h> +#include <atmel_hlcdc.h> +#include <atmel_mci.h> +#include <lcd.h> +#include <mmc.h> +#include <net.h> +#include <netdev.h> +#include <spi.h> +#include <version.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_ATMEL_SPI +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + at91_set_pio_output(AT91_PIO_PORTC, 3, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + at91_set_pio_output(AT91_PIO_PORTC, 3, 1); +} + +static void ma5d4evk_spi0_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* SPI0_MISO */ + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* SPI0_MOSI */ + at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* SPI0_SPCK */ + + at91_set_pio_output(AT91_PIO_PORTC, 3, 1); /* SPI0_CS0 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_SPI0); +} +#endif /* CONFIG_ATMEL_SPI */ + +#ifdef CONFIG_CMD_USB +static void ma5d4evk_usb_hw_init(void) +{ + at91_set_pio_output(AT91_PIO_PORTE, 11, 0); + at91_set_pio_output(AT91_PIO_PORTE, 14, 0); +} +#endif + +#ifdef CONFIG_LCD +vidinfo_t panel_info = { + .vl_col = 800, + .vl_row = 480, + .vl_clk = 33500000, + .vl_bpix = LCD_BPP, + .vl_tft = 1, + .vl_hsync_len = 10, + .vl_left_margin = 89, + .vl_right_margin = 164, + .vl_vsync_len = 10, + .vl_upper_margin = 23, + .vl_lower_margin = 10, + .mmio = ATMEL_BASE_LCDC, +}; + +/* No power up/down pin for the LCD pannel */ +void lcd_enable(void) { /* Empty! */ } +void lcd_disable(void) { /* Empty! */ } + +unsigned int has_lcdc(void) +{ + return 1; +} + +static void ma5d4evk_lcd_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTA, 24, 1); /* LCDPWM */ + at91_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */ + at91_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */ + at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */ + at91_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */ + at91_set_a_periph(AT91_PIO_PORTA, 29, 1); /* LCDDEN */ + + at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */ + at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */ + at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */ + at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */ + at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */ + at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */ + at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */ + at91_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */ + + at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD9 */ + at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD8 */ + at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */ + at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */ + at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */ + at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */ + at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */ + at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */ + + at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* LCDD16 */ + at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* LCDD17 */ + at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* LCDD18 */ + at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* LCDD19 */ + at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* LCDD20 */ + at91_set_a_periph(AT91_PIO_PORTA, 21, 0); /* LCDD21 */ + at91_set_a_periph(AT91_PIO_PORTA, 22, 0); /* LCDD22 */ + at91_set_a_periph(AT91_PIO_PORTA, 23, 0); /* LCDD23 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_LCDC); +} + +#endif /* CONFIG_LCD */ + +#ifdef CONFIG_GENERIC_ATMEL_MCI +/* On-SoM eMMC */ +void ma5d4evk_mci0_hw_init(void) +{ + at91_set_b_periph(AT91_PIO_PORTC, 5, 1); /* MCI1 CDA */ + at91_set_b_periph(AT91_PIO_PORTC, 6, 1); /* MCI1 DA0 */ + at91_set_b_periph(AT91_PIO_PORTC, 7, 1); /* MCI1 DA1 */ + at91_set_b_periph(AT91_PIO_PORTC, 8, 1); /* MCI1 DA2 */ + at91_set_b_periph(AT91_PIO_PORTC, 9, 1); /* MCI1 DA3 */ + at91_set_b_periph(AT91_PIO_PORTC, 10, 1); /* MCI1 DA4 */ + at91_set_b_periph(AT91_PIO_PORTC, 11, 1); /* MCI1 DA5 */ + at91_set_b_periph(AT91_PIO_PORTC, 12, 1); /* MCI1 DA6 */ + at91_set_b_periph(AT91_PIO_PORTC, 13, 1); /* MCI1 DA7 */ + at91_set_b_periph(AT91_PIO_PORTC, 4, 0); /* MCI1 CLK */ + + /* + * As the mci io internal pull down is too strong, so if the io needs + * external pull up, the pull up resistor will be very small, if so + * the power consumption will increase, so disable the internal pull + * down to save the power. + */ + at91_set_pio_pulldown(AT91_PIO_PORTC, 5, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 6, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 7, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 8, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 9, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 10, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 11, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 12, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 13, 0); + at91_set_pio_pulldown(AT91_PIO_PORTC, 4, 0); + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_MCI0); +} + +/* On-board MicroSD slot */ +void ma5d4evk_mci1_hw_init(void) +{ + at91_set_c_periph(AT91_PIO_PORTE, 19, 1); /* MCI1 CDA */ + at91_set_c_periph(AT91_PIO_PORTE, 20, 1); /* MCI1 DA0 */ + at91_set_c_periph(AT91_PIO_PORTE, 21, 1); /* MCI1 DA1 */ + at91_set_c_periph(AT91_PIO_PORTE, 22, 1); /* MCI1 DA2 */ + at91_set_c_periph(AT91_PIO_PORTE, 23, 1); /* MCI1 DA3 */ + at91_set_c_periph(AT91_PIO_PORTE, 18, 0); /* MCI1 CLK */ + + /* + * As the mci io internal pull down is too strong, so if the io needs + * external pull up, the pull up resistor will be very small, if so + * the power consumption will increase, so disable the internal pull + * down to save the power. + */ + at91_set_pio_pulldown(AT91_PIO_PORTE, 18, 0); + at91_set_pio_pulldown(AT91_PIO_PORTE, 19, 0); + at91_set_pio_pulldown(AT91_PIO_PORTE, 20, 0); + at91_set_pio_pulldown(AT91_PIO_PORTE, 21, 0); + at91_set_pio_pulldown(AT91_PIO_PORTE, 22, 0); + at91_set_pio_pulldown(AT91_PIO_PORTE, 23, 0); + + /* Deal with WP pin on the microSD slot. */ + at91_set_pio_output(AT91_PIO_PORTE, 16, 0); + at91_set_pio_pulldown(AT91_PIO_PORTE, 16, 1); + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_MCI1); +} + +int board_mmc_init(bd_t *bis) +{ + int ret; + + /* De-assert reset on On-SoM eMMC */ + at91_set_pio_output(AT91_PIO_PORTE, 15, 1); + at91_set_pio_pulldown(AT91_PIO_PORTE, 15, 0); + + ret = atmel_mci_init((void *)ATMEL_BASE_MCI0); + if (ret) /* eMMC init failed, skip it. */ + at91_set_pio_output(AT91_PIO_PORTE, 15, 0); + + /* Enable the power supply to On-board MicroSD */ + at91_set_pio_output(AT91_PIO_PORTE, 17, 0); + + ret = atmel_mci_init((void *)ATMEL_BASE_MCI1); + if (ret) /* uSD init failed, power it down. */ + at91_set_pio_output(AT91_PIO_PORTE, 17, 1); + + return 0; +} +#endif /* CONFIG_GENERIC_ATMEL_MCI */ + +#ifdef CONFIG_MACB +void ma5d4evk_macb0_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ETXCK_EREFCK */ + at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* ERXDV */ + at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ERX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ERX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ERXER */ + at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ETXEN */ + at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ETX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* EMDIO */ + at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* EMDC */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_GMAC0); +} +#endif + +static void ma5d4evk_serial_hw_init(void) +{ + /* USART0 */ + at91_set_a_periph(AT91_PIO_PORTD, 13, 1); /* TXD */ + at91_set_a_periph(AT91_PIO_PORTD, 12, 0); /* RXD */ + at91_set_a_periph(AT91_PIO_PORTD, 11, 0); /* RTS */ + at91_set_a_periph(AT91_PIO_PORTD, 10, 0); /* CTS */ + at91_periph_clk_enable(ATMEL_ID_USART0); + + /* USART1 */ + at91_set_a_periph(AT91_PIO_PORTD, 17, 1); /* TXD */ + at91_set_a_periph(AT91_PIO_PORTD, 16, 0); /* RXD */ + at91_set_a_periph(AT91_PIO_PORTD, 15, 0); /* RTS */ + at91_set_a_periph(AT91_PIO_PORTD, 14, 0); /* CTS */ + at91_periph_clk_enable(ATMEL_ID_USART1); +} + +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_PIOD); + at91_periph_clk_enable(ATMEL_ID_PIOE); + + /* Configure LEDs as OFF */ + at91_set_pio_output(AT91_PIO_PORTD, 28, 0); + at91_set_pio_output(AT91_PIO_PORTD, 29, 0); + at91_set_pio_output(AT91_PIO_PORTD, 30, 0); + + /* Reset CAN controllers */ + at91_set_pio_output(AT91_PIO_PORTB, 21, 0); + udelay(100); + at91_set_pio_output(AT91_PIO_PORTB, 21, 1); + at91_set_pio_pulldown(AT91_PIO_PORTB, 21, 0); + + ma5d4evk_serial_hw_init(); + + return 0; +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_ATMEL_SPI + ma5d4evk_spi0_hw_init(); +#endif +#ifdef CONFIG_GENERIC_ATMEL_MCI + ma5d4evk_mci0_hw_init(); + ma5d4evk_mci1_hw_init(); +#endif +#ifdef CONFIG_MACB + ma5d4evk_macb0_hw_init(); +#endif +#ifdef CONFIG_LCD + ma5d4evk_lcd_hw_init(); +#endif +#ifdef CONFIG_CMD_USB + ma5d4evk_usb_hw_init(); +#endif +#ifdef CONFIG_USB_GADGET_ATMEL_USBA + at91_udp_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; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; + +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00); +#endif + +#ifdef CONFIG_USB_GADGET_ATMEL_USBA + usba_udc_probe(&pdata); +#ifdef CONFIG_USB_ETH_RNDIS + usb_eth_initialize(bis); +#endif +#endif + + return rc; +} + +/* SPL */ +#ifdef CONFIG_SPL_BUILD +void spl_board_init(void) +{ + ma5d4evk_spi0_hw_init(); +} + +static void ddr2_conf(struct atmel_mpddrc_config *ddr2) +{ + ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); + + ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | + ATMEL_MPDDRC_CR_NR_ROW_13 | + ATMEL_MPDDRC_CR_CAS_DDR_CAS3 | + ATMEL_MPDDRC_CR_NB_8BANKS | + ATMEL_MPDDRC_CR_NDQS_DISABLED | + ATMEL_MPDDRC_CR_DECOD_INTERLEAVED | + ATMEL_MPDDRC_CR_UNAL_SUPPORTED); + + ddr2->rtr = 0x2b0; + + ddr2->tpr0 = (8 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET | + 3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET | + 3 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | + 10 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | + 3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); + + ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | + 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | + 25 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | + 23 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); + + ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET | + 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | + 3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | + 2 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | + 8 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); +} + +void mem_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + struct atmel_mpddrc_config ddr2; + + ddr2_conf(&ddr2); + + /* enable MPDDR clock */ + at91_periph_clk_enable(ATMEL_ID_MPDDRC); + writel(AT91_PMC_DDR, &pmc->scer); + + /* DDRAM2 Controller initialize */ + ddr2_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddr2); +} + +void at91_pmc_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + u32 tmp; + + tmp = AT91_PMC_PLLAR_29 | + AT91_PMC_PLLXR_PLLCOUNT(0x3f) | + AT91_PMC_PLLXR_MUL(87) | + AT91_PMC_PLLXR_DIV(1); + at91_plla_init(tmp); + + writel(0x0 << 8, &pmc->pllicpr); + + tmp = AT91_PMC_MCKR_H32MXDIV | + AT91_PMC_MCKR_PLLADIV_2 | + AT91_PMC_MCKR_MDIV_3 | + AT91_PMC_MCKR_CSS_PLLA; + at91_mck_init(tmp); +} +#endif |
