1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2007-2008
4 * Stelian Pop <stelian@popies.net>
5 * Lead Tech Design <www.leadtechdesign.com>
6 * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
7 * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
12 #include <asm/global_data.h>
13 #include <linux/sizes.h>
16 #include <asm/arch/at91sam9_smc.h>
17 #include <asm/arch/at91_common.h>
18 #include <asm/arch/at91_rstc.h>
19 #include <asm/arch/at91_matrix.h>
20 #include <asm/arch/clk.h>
21 #include <asm/arch/gpio.h>
22 #include <asm/mach-types.h>
24 DECLARE_GLOBAL_DATA_PTR;
26 /* ------------------------------------------------------------------------- */
28 * Miscellaneous platform dependent initializations
31 #ifdef CONFIG_CMD_NAND
32 static void pm9263_nand_hw_init(void)
35 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0;
36 struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
39 csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
40 writel(csa, &matrix->csa[0]);
42 /* Configure SMC CS3 for NAND/SmartMedia */
43 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
44 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
47 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
48 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
51 writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
54 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
55 AT91_SMC_MODE_EXNW_DISABLE |
56 #ifdef CONFIG_SYS_NAND_DBW_16
57 AT91_SMC_MODE_DBW_16 |
58 #else /* CONFIG_SYS_NAND_DBW_8 */
61 AT91_SMC_MODE_TDF_CYCLE(2),
64 /* Configure RDY/BSY */
65 gpio_direction_input(CFG_SYS_NAND_READY_PIN);
67 /* Enable NandFlash */
68 gpio_direction_output(CFG_SYS_NAND_ENABLE_PIN, 1);
72 int board_early_init_f(void)
79 /* arch number of PM9263 Board */
80 gd->bd->bi_arch_number = MACH_TYPE_PM9263;
82 /* address of boot parameters */
83 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
85 #ifdef CONFIG_CMD_NAND
86 pm9263_nand_hw_init();
88 #ifdef CONFIG_USB_OHCI_NEW
96 /* dram_init must store complete RAM size in gd->ram_size */
97 gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
102 int dram_init_banksize(void)
104 gd->bd->bi_dram[0].start = PHYS_SDRAM;
105 gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
110 #ifdef CONFIG_DISPLAY_BOARDINFO
111 int checkboard (void)
115 printf ("Board : Ronetix PM9263\n");
117 switch (gd->fb_base) {
122 case ATMEL_BASE_SRAM0:
123 ss = "(Internal SRAM)";
130 printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );