+// SPDX-License-Identifier: GPL-2.0+
/*
* 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 <version.h>
+#include <init.h>
#include <asm/io.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/atmel_pio4.h>
#include <asm/arch/gpio.h>
#include <asm/arch/sama5d2.h>
+extern void at91_pda_detect(void);
+
DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_CMD_USB
static void board_usb_hw_init(void)
{
atmel_pio4_set_pio_output(AT91_PIO_PORTB, 10, 1);
}
+#endif
-#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)
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(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);
+#ifdef CONFIG_DM_VIDEO
+ at91_video_show_board_info();
+#endif
+ at91_pda_detect();
+ return 0;
}
-#endif /* CONFIG_LCD_INFO */
-#endif /* CONFIG_LCD */
+#endif
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
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, 2, ATMEL_PIO_PUEN_MASK); /* URXD1 */
atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */
at91_periph_clk_enable(ATMEL_ID_UART1);
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
-#ifdef CONFIG_LCD
- board_lcd_hw_init();
-#endif
#ifdef CONFIG_CMD_USB
board_usb_hw_init();
#endif
return 0;
}
-#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 (env_get(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_env_set_enetaddr(ETHADDR_NAME, ethaddr);
-}
-#else
-static int set_ethaddr_from_eeprom(void)
-{
- return 0;
-}
-#endif
+#define AT24MAC_MAC_OFFSET 0x9a
#ifdef CONFIG_MISC_INIT_R
int misc_init_r(void)
{
- set_ethaddr_from_eeprom();
+#ifdef CONFIG_I2C_EEPROM
+ at91_set_ethaddr(AT24MAC_MAC_OFFSET);
+#endif
return 0;
}
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
u32 tmp;
+ /*
+ * while coming from the ROM code, we run on PLLA @ 492 MHz / 164 MHz
+ * so we need to slow down and configure MCKR accordingly.
+ * This is why we have a special flavor of the switching function.
+ */
+ tmp = AT91_PMC_MCKR_PLLADIV_2 |
+ AT91_PMC_MCKR_MDIV_3 |
+ AT91_PMC_MCKR_CSS_MAIN;
+ at91_mck_init_down(tmp);
+
tmp = AT91_PMC_PLLAR_29 |
AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
AT91_PMC_PLLXR_MUL(82) |
projects / oweals / u-boot.git / blobdiff