diff options
Diffstat (limited to 'roms/u-boot/board/ronetix/pm9261/pm9261.c')
| -rw-r--r-- | roms/u-boot/board/ronetix/pm9261/pm9261.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/roms/u-boot/board/ronetix/pm9261/pm9261.c b/roms/u-boot/board/ronetix/pm9261/pm9261.c new file mode 100644 index 000000000..5be2c5e19 --- /dev/null +++ b/roms/u-boot/board/ronetix/pm9261/pm9261.c @@ -0,0 +1,186 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at) + * Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + */ + +#include <common.h> +#include <init.h> +#include <vsprintf.h> +#include <asm/global_data.h> +#include <linux/sizes.h> +#include <asm/io.h> +#include <asm/gpio.h> +#include <asm/arch/at91sam9_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_matrix.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000) +#include <net.h> +#endif +#include <netdev.h> +#include <asm/mach-types.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_CMD_NAND +static void pm9261_nand_hw_init(void) +{ + unsigned long csa; + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; + + /* Enable CS3 */ + csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A; + writel(csa, &matrix->csa); + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | + AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), + &smc->cs[3].setup); + + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(3) | 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_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(2), + &smc->cs[3].mode); + + at91_periph_clk_enable(ATMEL_ID_PIOA); + at91_periph_clk_enable(ATMEL_ID_PIOC); + + /* Configure RDY/BSY */ + gpio_direction_input(CONFIG_SYS_NAND_READY_PIN); + + /* Enable NandFlash */ + gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); + + at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* NANDOE */ + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* NANDWE */ +} +#endif + + +#ifdef CONFIG_DRIVER_DM9000 +static void pm9261_dm9000_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + + /* Configure SMC CS2 for DM9000 */ + writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) | + AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0), + &smc->cs[2].setup); + + writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) | + AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8), + &smc->cs[2].pulse); + + writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16), + &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 Interrupt pin as input, no pull-up */ + at91_periph_clk_enable(ATMEL_ID_PIOA); + at91_set_pio_input(AT91_PIO_PORTA, 24, 0); +} +#endif + +int board_early_init_f(void) +{ + return 0; +} + +int board_init(void) +{ + /* arch number of PM9261-Board */ + gd->bd->bi_arch_number = MACH_TYPE_PM9261; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_CMD_NAND + pm9261_nand_hw_init(); +#endif +#ifdef CONFIG_DRIVER_DM9000 + pm9261_dm9000_hw_init(); +#endif + return 0; +} + +#ifdef CONFIG_DRIVER_DM9000 +int board_eth_init(struct bd_info *bis) +{ + return dm9000_initialize(bis); +} +#endif + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, + PHYS_SDRAM_SIZE); + return 0; +} + +int dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM; + gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; + + return 0; +} + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ +#ifdef CONFIG_DRIVER_DM9000 + /* + * Initialize ethernet HW addr prior to starting Linux, + * needed for nfsroot + */ + eth_init(); +#endif +} +#endif + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard (void) +{ + char buf[32]; + + printf ("Board : Ronetix PM9261\n"); + printf ("Crystal frequency: %8s MHz\n", + strmhz(buf, get_main_clk_rate())); + printf ("CPU clock : %8s MHz\n", + strmhz(buf, get_cpu_clk_rate())); + printf ("Master clock : %8s MHz\n", + strmhz(buf, get_mck_clk_rate())); + + return 0; +} +#endif |