From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
.../board/atmel/at91sam9n12ek/at91sam9n12ek.c | 295 +++++++++++++++++++++
1 file changed, 295 insertions(+)
create mode 100644 roms/u-boot/board/atmel/at91sam9n12ek/at91sam9n12ek.c
(limited to 'roms/u-boot/board/atmel/at91sam9n12ek/at91sam9n12ek.c')
diff --git a/roms/u-boot/board/atmel/at91sam9n12ek/at91sam9n12ek.c b/roms/u-boot/board/atmel/at91sam9n12ek/at91sam9n12ek.c
new file mode 100644
index 000000000..a3fc55bbc
--- /dev/null
+++ b/roms/u-boot/board/atmel/at91sam9n12ek/at91sam9n12ek.c
@@ -0,0 +1,295 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2013 Atmel Corporation
+ * Josh Wu <josh.wu@atmel.com>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <net.h>
+#include <vsprintf.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/at91sam9x5_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/clk.h>
+#include <debug_uart.h>
+#include <lcd.h>
+#include <atmel_hlcdc.h>
+#include <netdev.h>
+
+#ifdef CONFIG_LCD_INFO
+#include <nand.h>
+#include <version.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+#ifdef CONFIG_NAND_ATMEL
+static void at91sam9n12ek_nand_hw_init(void)
+{
+ struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+ struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+ unsigned long csa;
+
+ /* Assign CS3 to NAND/SmartMedia Interface */
+ csa = readl(&matrix->ebicsa);
+ csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA;
+ /* Configure databus */
+ csa &= ~AT91_MATRIX_NFD0_ON_D16; /* nandflash connect to D0~D15 */
+ /* Configure IO drive */
+ csa |= AT91_MATRIX_EBI_EBI_IOSR_NORMAL;
+
+ writel(csa, &matrix->ebicsa);
+
+ /* Configure SMC CS3 for NAND/SmartMedia */
+ writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
+ AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
+ &smc->cs[3].setup);
+ writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) |
+ AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(6),
+ &smc->cs[3].pulse);
+ writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(7),
+ &smc->cs[3].cycle);
+ writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+ AT91_SMC_MODE_EXNW_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+ AT91_SMC_MODE_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+ AT91_SMC_MODE_DBW_8 |
+#endif
+ AT91_SMC_MODE_TDF_CYCLE(1),
+ &smc->cs[3].mode);
+
+ /* Configure RDY/BSY pin */
+ at91_set_pio_input(AT91_PIO_PORTD, 5, 1);
+
+ /* Configure ENABLE pin for NandFlash */
+ at91_set_pio_output(AT91_PIO_PORTD, 4, 1);
+
+ at91_pio3_set_a_periph(AT91_PIO_PORTD, 0, 1); /* NAND OE */
+ at91_pio3_set_a_periph(AT91_PIO_PORTD, 1, 1); /* NAND WE */
+ at91_pio3_set_a_periph(AT91_PIO_PORTD, 2, 1); /* ALE */
+ at91_pio3_set_a_periph(AT91_PIO_PORTD, 3, 1); /* CLE */
+}
+#endif
+
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+ .vl_col = 480,
+ .vl_row = 272,
+ .vl_clk = 9000000,
+ .vl_bpix = LCD_BPP,
+ .vl_sync = 0,
+ .vl_tft = 1,
+ .vl_hsync_len = 5,
+ .vl_left_margin = 8,
+ .vl_right_margin = 43,
+ .vl_vsync_len = 10,
+ .vl_upper_margin = 4,
+ .vl_lower_margin = 12,
+ .mmio = ATMEL_BASE_LCDC,
+};
+
+void lcd_enable(void)
+{
+ at91_set_pio_output(AT91_PIO_PORTC, 25, 0); /* power up */
+}
+
+void lcd_disable(void)
+{
+ at91_set_pio_output(AT91_PIO_PORTC, 25, 1); /* power down */
+}
+
+#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("ATMEL Corp\n");
+ lcd_printf("at91@atmel.com\n");
+ lcd_printf("%s CPU at %s MHz\n",
+ ATMEL_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;
+ for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+ nand_size += get_nand_dev_by_index(i)->size;
+ lcd_printf(" %ld MB SDRAM, %ld MB NAND\n",
+ dram_size >> 20,
+ nand_size >> 20);
+}
+#endif /* CONFIG_LCD_INFO */
+#endif /* CONFIG_LCD */
+
+#ifdef CONFIG_KS8851_MLL
+void at91sam9n12ek_ks8851_hw_init(void)
+{
+ struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+
+ writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
+ AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+ &smc->cs[2].setup);
+ writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
+ AT91_SMC_PULSE_NRD(7) | AT91_SMC_PULSE_NCS_RD(7),
+ &smc->cs[2].pulse);
+ writel(AT91_SMC_CYCLE_NWE(9) | AT91_SMC_CYCLE_NRD(9),
+ &smc->cs[2].cycle);
+ writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+ AT91_SMC_MODE_EXNW_DISABLE |
+ AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
+ AT91_SMC_MODE_TDF_CYCLE(1),
+ &smc->cs[2].mode);
+
+ /* Configure NCS2 PIN */
+ at91_pio3_set_b_periph(AT91_PIO_PORTD, 19, 0);
+}
+#endif
+
+#ifdef CONFIG_USB_ATMEL
+void at91sam9n12ek_usb_hw_init(void)
+{
+ at91_set_pio_output(AT91_PIO_PORTB, 7, 0);
+}
+#endif
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+ at91_seriald_hw_init();
+}
+#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+#ifdef CONFIG_DEBUG_UART
+ debug_uart_init();
+#endif
+ return 0;
+}
+#endif
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_NAND_ATMEL
+ at91sam9n12ek_nand_hw_init();
+#endif
+
+#ifdef CONFIG_LCD
+ at91_lcd_hw_init();
+#endif
+
+#ifdef CONFIG_KS8851_MLL
+ at91sam9n12ek_ks8851_hw_init();
+#endif
+
+#ifdef CONFIG_USB_ATMEL
+ at91sam9n12ek_usb_hw_init();
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_KS8851_MLL
+int board_eth_init(struct bd_info *bis)
+{
+ return ks8851_mll_initialize(0, CONFIG_KS8851_MLL_BASEADDR);
+}
+#endif
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_SYS_SDRAM_SIZE);
+ return 0;
+}
+
+#if defined(CONFIG_SPL_BUILD)
+#include <spl.h>
+#include <nand.h>
+
+void at91_spl_board_init(void)
+{
+#ifdef CONFIG_SD_BOOT
+ at91_mci_hw_init();
+#elif CONFIG_NAND_BOOT
+ at91sam9n12ek_nand_hw_init();
+#elif CONFIG_SPI_BOOT
+ at91_spi0_hw_init(1 << 4);
+#endif
+}
+
+#include <asm/arch/atmel_mpddrc.h>
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
+{
+ ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_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_DECOD_INTERLEAVED);
+
+ ddr2->rtr = 0x411;
+
+ ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
+ 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
+ 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
+ 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
+ 2 << 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 |
+ 19 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
+ 18 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
+
+ ddr2->tpr2 = (2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
+ 3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
+ 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
+ 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
+}
+
+void mem_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
+ struct atmel_mpddrc_config ddr2;
+ unsigned long csa;
+
+ ddr2_conf(&ddr2);
+
+ /* enable DDR2 clock */
+ writel(AT91_PMC_DDR, &pmc->scer);
+
+ /* Chip select 1 is for DDR2/SDRAM */
+ csa = readl(&matrix->ebicsa);
+ csa |= AT91_MATRIX_EBI_CS1A_SDRAMC;
+ csa &= ~AT91_MATRIX_EBI_DBPU_OFF;
+ csa |= AT91_MATRIX_EBI_DBPD_OFF;
+ csa |= AT91_MATRIX_EBI_EBI_IOSR_NORMAL;
+ writel(csa, &matrix->ebicsa);
+
+ /* DDRAM2 Controller initialize */
+ ddr2_init(ATMEL_BASE_DDRSDRC, ATMEL_BASE_CS1, &ddr2);
+}
+#endif
--
cgit