upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
349 lines
8.5 KiB
349 lines
8.5 KiB
/*
|
|
* Copyright (C) 2015 Atmel Corporation
|
|
* Wenyou.Yang <wenyou.yang@atmel.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <atmel_hlcdc.h>
|
|
#include <debug_uart.h>
|
|
#include <dm.h>
|
|
#include <i2c.h>
|
|
#include <lcd.h>
|
|
#include <mmc.h>
|
|
#include <net.h>
|
|
#include <netdev.h>
|
|
#include <spi.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_usba_udc.h>
|
|
#include <asm/arch/atmel_sdhci.h>
|
|
#include <asm/arch/clk.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/sama5d2.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static void board_usb_hw_init(void)
|
|
{
|
|
atmel_pio4_set_pio_output(AT91_PIO_PORTB, 10, 1);
|
|
}
|
|
|
|
#ifdef CONFIG_LCD
|
|
vidinfo_t panel_info = {
|
|
.vl_col = 480,
|
|
.vl_row = 272,
|
|
.vl_clk = 9000000,
|
|
.vl_bpix = LCD_BPP,
|
|
.vl_tft = 1,
|
|
.vl_hsync_len = 41,
|
|
.vl_left_margin = 2,
|
|
.vl_right_margin = 2,
|
|
.vl_vsync_len = 11,
|
|
.vl_upper_margin = 2,
|
|
.vl_lower_margin = 2,
|
|
.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 board_lcd_hw_init(void)
|
|
{
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDPWM */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDISP */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDVSYNC */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 31, 0); /* LCDHSYNC */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTD, 0, 0); /* LCDPCK */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTD, 1, 0); /* LCDDEN */
|
|
|
|
/* LCDDAT0 */
|
|
/* LCDDAT1 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDDAT2 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDDAT3 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDDAT4 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDDAT5 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDDAT6 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDDAT7 */
|
|
|
|
/* LCDDAT8 */
|
|
/* LCDDAT9 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDDAT10 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDDAT11 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDDAT12 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDDAT13 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDDAT14 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDDAT15 */
|
|
|
|
/* LCDD16 */
|
|
/* LCDD17 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDDAT18 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDDAT19 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDAT20 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 25, 0); /* LCDDAT21 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDDAT22 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDDAT23 */
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_LCDC);
|
|
}
|
|
|
|
#ifdef CONFIG_LCD_INFO
|
|
void lcd_show_board_info(void)
|
|
{
|
|
ulong dram_size;
|
|
int i;
|
|
char temp[32];
|
|
|
|
lcd_printf("%s\n", U_BOOT_VERSION);
|
|
lcd_printf("2015 ATMEL Corp\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;
|
|
|
|
lcd_printf("%ld MB SDRAM\n", dram_size >> 20);
|
|
}
|
|
#endif /* CONFIG_LCD_INFO */
|
|
#endif /* CONFIG_LCD */
|
|
|
|
static void board_gmac_hw_init(void)
|
|
{
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 14, 0); /* GTXCK */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 15, 0); /* GTXEN */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 16, 0); /* GRXDV */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 17, 0); /* GRXER */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 18, 0); /* GRX0 */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 19, 0); /* GRX1 */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 20, 0); /* GTX0 */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 21, 0); /* GTX1 */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 22, 0); /* GMDC */
|
|
atmel_pio4_set_f_periph(AT91_PIO_PORTB, 23, 0); /* GMDIO */
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_GMAC);
|
|
}
|
|
|
|
static void board_uart1_hw_init(void)
|
|
{
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1); /* URXD1 */
|
|
atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_UART1);
|
|
}
|
|
|
|
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
|
|
void board_debug_uart_init(void)
|
|
{
|
|
board_uart1_hw_init();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_BOARD_EARLY_INIT_F
|
|
int board_early_init_f(void)
|
|
{
|
|
#ifdef CONFIG_DEBUG_UART
|
|
debug_uart_init();
|
|
#else
|
|
board_uart1_hw_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_MACB
|
|
board_gmac_hw_init();
|
|
#endif
|
|
#ifdef CONFIG_LCD
|
|
board_lcd_hw_init();
|
|
#endif
|
|
#ifdef CONFIG_CMD_USB
|
|
board_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_GMAC, 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;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_I2C
|
|
static int set_ethaddr_from_eeprom(void)
|
|
{
|
|
const int ETH_ADDR_LEN = 6;
|
|
unsigned char ethaddr[ETH_ADDR_LEN];
|
|
const char *ETHADDR_NAME = "ethaddr";
|
|
struct udevice *bus, *dev;
|
|
|
|
if (getenv(ETHADDR_NAME))
|
|
return 0;
|
|
|
|
if (uclass_get_device_by_seq(UCLASS_I2C, 1, &bus)) {
|
|
printf("Cannot find I2C bus 1\n");
|
|
return -1;
|
|
}
|
|
|
|
if (dm_i2c_probe(bus, AT24MAC_ADDR, 0, &dev)) {
|
|
printf("Failed to probe I2C chip\n");
|
|
return -1;
|
|
}
|
|
|
|
if (dm_i2c_read(dev, AT24MAC_REG, ethaddr, ETH_ADDR_LEN)) {
|
|
printf("Failed to read ethernet address from EEPROM\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!is_valid_ethaddr(ethaddr)) {
|
|
printf("The ethernet address read from EEPROM is not valid!\n");
|
|
return -1;
|
|
}
|
|
|
|
return eth_setenv_enetaddr(ETHADDR_NAME, ethaddr);
|
|
}
|
|
#else
|
|
static int set_ethaddr_from_eeprom(void)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MISC_INIT_R
|
|
int misc_init_r(void)
|
|
{
|
|
set_ethaddr_from_eeprom();
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* SPL */
|
|
#ifdef CONFIG_SPL_BUILD
|
|
void spl_board_init(void)
|
|
{
|
|
}
|
|
|
|
static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
|
|
{
|
|
ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM);
|
|
|
|
ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
|
|
ATMEL_MPDDRC_CR_NR_ROW_14 |
|
|
ATMEL_MPDDRC_CR_CAS_DDR_CAS5 |
|
|
ATMEL_MPDDRC_CR_DIC_DS |
|
|
ATMEL_MPDDRC_CR_DIS_DLL |
|
|
ATMEL_MPDDRC_CR_NB_8BANKS |
|
|
ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
|
|
ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
|
|
|
|
ddrc->rtr = 0x511;
|
|
|
|
ddrc->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
|
|
3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
|
|
4 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
|
|
9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
|
|
3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
|
|
4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
|
|
4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
|
|
4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
|
|
|
|
ddrc->tpr1 = (27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET |
|
|
29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
|
|
0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
|
|
3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET);
|
|
|
|
ddrc->tpr2 = (0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET |
|
|
0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
|
|
0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
|
|
4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
|
|
7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET);
|
|
}
|
|
|
|
void mem_init(void)
|
|
{
|
|
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
|
|
struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC;
|
|
struct atmel_mpddrc_config ddrc_config;
|
|
u32 reg;
|
|
|
|
ddrc_conf(&ddrc_config);
|
|
|
|
at91_periph_clk_enable(ATMEL_ID_MPDDRC);
|
|
writel(AT91_PMC_DDR, &pmc->scer);
|
|
|
|
reg = readl(&mpddrc->io_calibr);
|
|
reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV;
|
|
reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55;
|
|
reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO;
|
|
reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(100);
|
|
writel(reg, &mpddrc->io_calibr);
|
|
|
|
writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE,
|
|
&mpddrc->rd_data_path);
|
|
|
|
ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config);
|
|
|
|
writel(0x3, &mpddrc->cal_mr4);
|
|
writel(64, &mpddrc->tim_cal);
|
|
}
|
|
|
|
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(82) |
|
|
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
|
|
|