diff options
Diffstat (limited to 'board/eukrea/cpu9260/cpu9260.c')
| -rw-r--r-- | board/eukrea/cpu9260/cpu9260.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/board/eukrea/cpu9260/cpu9260.c b/board/eukrea/cpu9260/cpu9260.c new file mode 100644 index 0000000..ecb0796 --- /dev/null +++ b/board/eukrea/cpu9260/cpu9260.c @@ -0,0 +1,189 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * Ilko Iliev <www.ronetix.at> + * + * (C) Copyright 2009-2011 + * Eric Benard <eric@eukrea.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/at91sam9260.h> +#include <asm/arch/at91sam9_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_matrix.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/clk.h> +#include <asm/arch/hardware.h> +#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) +#include <net.h> +#endif +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_CMD_NAND +static void cpu9260_nand_hw_init(void) +{ + unsigned long csa; + at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC; + at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX; + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + /* Enable CS3 */ + csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A; + writel(csa, &matrix->csa); + + /* Configure SMC CS3 for NAND/SmartMedia */ +#if defined(CONFIG_CPU9G20) + 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[3].setup); + writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(4) | + AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(4), + &smc->cs[3].pulse); + writel(AT91_SMC_CYCLE_NWE(7) | 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 | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(3), + &smc->cs[3].mode); +#elif defined(CONFIG_CPU9260) + 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 | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(2), + &smc->cs[3].mode); +#endif + + writel(1 << ATMEL_ID_PIOC, &pmc->pcer); + + /* Configure RDY/BSY */ + at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1); + + /* Enable NandFlash */ + at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} +#endif + +#ifdef CONFIG_MACB +static void cpu9260_macb_hw_init(void) +{ + unsigned long rstcmr; + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC; + + /* Enable clock */ + writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); + + at91_set_pio_pullup(AT91_PIO_PORTA, 17, 1); + + rstcmr = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK; + + /* Need to reset PHY -> 500ms reset */ + writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0xD) | + AT91_RSTC_MR_URSTEN, &rstc->mr); + + writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr); + + /* Wait for end hardware reset */ + while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) + ; + + /* Restore NRST value */ + writel(AT91_RSTC_KEY | rstcmr | AT91_RSTC_MR_URSTEN, &rstc->mr); + + at91_macb_hw_init(); +} +#endif + +int board_early_init_f(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + writel((1 << ATMEL_ID_PIOA) | + (1 << ATMEL_ID_PIOB) | + (1 << ATMEL_ID_PIOC), + &pmc->pcer); + + at91_seriald_hw_init(); + + return 0; +} + + +int board_init(void) +{ + /* arch number of the board */ +#if defined(CONFIG_CPU9G20) + gd->bd->bi_arch_number = MACH_TYPE_CPUAT9G20; +#elif defined(CONFIG_CPU9260) + gd->bd->bi_arch_number = MACH_TYPE_CPUAT9260; +#endif + + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_CMD_NAND + cpu9260_nand_hw_init(); +#endif +#ifdef CONFIG_MACB + cpu9260_macb_hw_init(); +#endif +#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) + status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); +#endif + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0); +#endif + return rc; +} |
