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/*
* Copyright (C) 2014 Atmel
* Bo Shen <voice.shen@atmel.com>
*
* 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 <nand.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 sama5d4ek_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_NAND_ATMEL
static void sama5d4ek_nand_hw_init(void)
{
struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
at91_periph_clk_enable(ATMEL_ID_SMC);
/* 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(3) |
AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(3),
&smc->cs[3].pulse);
writel(AT91_SMC_CYCLE_NWE(5) | 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);
at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* D0 */
at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* D1 */
at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* D2 */
at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* D3 */
at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* D4 */
at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* D5 */
at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* D6 */
at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* D7 */
at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* RE */
at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* WE */
at91_set_a_periph(AT91_PIO_PORTC, 15, 1); /* NCS */
at91_set_a_periph(AT91_PIO_PORTC, 16, 1); /* RDY */
at91_set_a_periph(AT91_PIO_PORTC, 17, 1); /* ALE */
at91_set_a_periph(AT91_PIO_PORTC, 18, 1); /* CLE */
}
#endif
#ifdef CONFIG_CMD_USB
static void sama5d4ek_usb_hw_init(void)
{
at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
at91_set_pio_output(AT91_PIO_PORTE, 12, 0);
at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
}
#endif
#ifdef CONFIG_LCD
vidinfo_t panel_info = {
.vl_col = 800,
.vl_row = 480,
.vl_clk = 33260000,
.vl_bpix = LCD_BPP,
.vl_tft = 1,
.vl_hsync_len = 5,
.vl_left_margin = 128,
.vl_right_margin = 0,
.vl_vsync_len = 5,
.vl_upper_margin = 23,
.vl_lower_margin = 22,
.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 sama5d4ek_lcd_hw_init(void)
{
at91_set_a_periph(AT91_PIO_PORTA, 24, 0); /* 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, 0); /* LCDDEN */
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, 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, 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);
}
#ifdef CONFIG_LCD_INFO
void lcd_show_board_info(void)
{
ulong dram_size, nand_size;
int i;
char temp[32];
lcd_printf("%s\n", U_BOOT_VERSION);
lcd_printf("2014 ATMEL Corp\n");
lcd_printf("at91@atmel.com\n");
lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
strmhz(temp, get_cpu_clk_rate()));
dram_size = 0;
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
dram_size += gd->bd->bi_dram[i].size;
nand_size = 0;
#ifdef CONFIG_NAND_ATMEL
for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
nand_size += nand_info[i].size;
#endif
lcd_printf("%ld MB SDRAM, %ld MB NAND\n",
dram_size >> 20, nand_size >> 20);
}
#endif /* CONFIG_LCD_INFO */
#endif /* CONFIG_LCD */
#ifdef CONFIG_GENERIC_ATMEL_MCI
void sama5d4ek_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 interanl 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);
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_MCI1);
}
int board_mmc_init(bd_t *bis)
{
/* Enable power for MCI1 interface */
at91_set_pio_output(AT91_PIO_PORTE, 15, 0);
return atmel_mci_init((void *)ATMEL_BASE_MCI1);
}
#endif /* CONFIG_GENERIC_ATMEL_MCI */
#ifdef CONFIG_MACB
void sama5d4ek_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 sama5d4ek_serial3_hw_init(void)
{
at91_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
at91_set_b_periph(AT91_PIO_PORTE, 16, 0); /* RXD3 */
/* Enable clock */
at91_periph_clk_enable(ATMEL_ID_USART3);
}
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);
sama5d4ek_serial3_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
sama5d4ek_spi0_hw_init();
#endif
#ifdef CONFIG_NAND_ATMEL
sama5d4ek_nand_hw_init();
#endif
#ifdef CONFIG_GENERIC_ATMEL_MCI
sama5d4ek_mci1_hw_init();
#endif
#ifdef CONFIG_MACB
sama5d4ek_macb0_hw_init();
#endif
#ifdef CONFIG_LCD
sama5d4ek_lcd_hw_init();
#endif
#ifdef CONFIG_CMD_USB
sama5d4ek_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)
{
#ifdef CONFIG_SYS_USE_MMC
sama5d4ek_mci1_hw_init();
#elif CONFIG_SYS_USE_NANDFLASH
sama5d4ek_nand_hw_init();
#elif CONFIG_SYS_USE_SERIALFLASH
sama5d4ek_spi0_hw_init();
#endif
}
static void ddr2_conf(struct atmel_mpddr *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_14 |
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_mpddr ddr2;
ddr2_conf(&ddr2);
/* enable MPDDR clock */
at91_periph_clk_enable(ATMEL_ID_MPDDRC);
writel(0x4, &pmc->scer);
/* DDRAM2 Controller initialize */
ddr2_init(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
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