diff options
Diffstat (limited to 'qemu/roms/u-boot/board/calao/tny_a9260')
| -rw-r--r-- | qemu/roms/u-boot/board/calao/tny_a9260/Makefile | 13 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/calao/tny_a9260/config.mk | 1 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/calao/tny_a9260/spi.c | 34 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/calao/tny_a9260/tny_a9260.c | 85 |
4 files changed, 133 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/calao/tny_a9260/Makefile b/qemu/roms/u-boot/board/calao/tny_a9260/Makefile new file mode 100644 index 000000000..55a6157ba --- /dev/null +++ b/qemu/roms/u-boot/board/calao/tny_a9260/Makefile @@ -0,0 +1,13 @@ +# +# (C) Copyright 2003-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2008 +# Stelian Pop <stelian@popies.net> +# Lead Tech Design <www.leadtechdesign.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += tny_a9260.o +obj-$(CONFIG_ATMEL_SPI) += spi.o diff --git a/qemu/roms/u-boot/board/calao/tny_a9260/config.mk b/qemu/roms/u-boot/board/calao/tny_a9260/config.mk new file mode 100644 index 000000000..e554a4500 --- /dev/null +++ b/qemu/roms/u-boot/board/calao/tny_a9260/config.mk @@ -0,0 +1 @@ +CONFIG_SYS_TEXT_BASE = 0x23f00000 diff --git a/qemu/roms/u-boot/board/calao/tny_a9260/spi.c b/qemu/roms/u-boot/board/calao/tny_a9260/spi.c new file mode 100644 index 000000000..26ba5f55c --- /dev/null +++ b/qemu/roms/u-boot/board/calao/tny_a9260/spi.c @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2009 + * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_spi.h> +#include <asm/arch/gpio.h> +#include <spi.h> + +#define TNY_A9260_CS_PIN AT91_PIN_PC11 + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 1; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + at91_set_gpio_value(TNY_A9260_CS_PIN, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + at91_set_gpio_value(TNY_A9260_CS_PIN, 1); +} + +void spi_init_f(void) +{ + /* everything done in board_init */ +} diff --git a/qemu/roms/u-boot/board/calao/tny_a9260/tny_a9260.c b/qemu/roms/u-boot/board/calao/tny_a9260/tny_a9260.c new file mode 100644 index 000000000..337be439a --- /dev/null +++ b/qemu/roms/u-boot/board/calao/tny_a9260/tny_a9260.c @@ -0,0 +1,85 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * Copyright (C) 2009 + * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/at91sam9_matrix.h> +#include <asm/arch/at91sam9_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/hardware.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +static void tny_a9260_nand_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + 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_CS3A_SMC_SMARTMEDIA; + 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(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); + + writel(1 << ATMEL_ID_PIOC, &pmc->pcer); + + /* Configure RDY/BSY */ + at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); + + /* Enable NandFlash */ + at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + at91_seriald_hw_init(); + tny_a9260_nand_hw_init(); + at91_spi0_hw_init(1 << 5); + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} |