diff options
Diffstat (limited to 'board/ronetix/pm9g45/pm9g45.c')
| -rw-r--r-- | board/ronetix/pm9g45/pm9g45.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/board/ronetix/pm9g45/pm9g45.c b/board/ronetix/pm9g45/pm9g45.c new file mode 100644 index 0000000..3b4d9a3 --- /dev/null +++ b/board/ronetix/pm9g45/pm9g45.c @@ -0,0 +1,188 @@ +/* + * (C) Copyright 2010 + * Ilko Iliev <iliev@ronetix.at> + * Asen Dimov <dimov@ronetix.at> + * Ronetix GmbH <www.ronetix.at> + * + * (C) Copyright 2007-2008 + * Stelian Pop <stelian.pop@leadtechdesign.com> + * Lead Tech Design <www.leadtechdesign.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/sizes.h> +#include <asm/arch/at91sam9g45.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/at91_matrix.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/clk.h> +#include <asm/arch/io.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 pm9g45_nand_hw_init(void) +{ + unsigned long csa; + at91_smc_t *smc = (at91_smc_t *) AT91_SMC_BASE; + at91_matrix_t *matrix = (at91_matrix_t *) AT91_MATRIX_BASE; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + + /* Enable CS3 */ + csa = readl(&matrix->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A; + writel(csa, &matrix->ccr[6]); + + /* 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(4) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2), + &smc->cs[3].pulse); + + writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4), + &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); + + writel(1 << AT91SAM9G45_ID_PIOC, &pmc->pcer); + +#ifdef CONFIG_SYS_NAND_READY_PIN + /* Configure RDY/BSY */ + at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1); +#endif + + /* Enable NandFlash */ + at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} +#endif + +#ifdef CONFIG_MACB +static void pm9g45_macb_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + + /* + * PD2 enables the 50MHz oscillator for Ethernet PHY + * 1 - enable + * 0 - disable + */ + at91_set_pio_output(AT91_PIO_PORTD, 2, 1); + at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */ + + /* Enable clock */ + writel(1 << AT91SAM9G45_ID_EMAC, &pmc->pcer); + + /* + * Disable pull-up on: + * RXDV (PA15) => PHY normal mode (not Test mode) + * ERX0 (PA12) => PHY ADDR0 + * ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0 + * + * PHY has internal pull-down + */ + at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0); + at91_set_pio_pullup(AT91_PIO_PORTA, 12, 0); + at91_set_pio_pullup(AT91_PIO_PORTA, 13, 0); + + /* Re-enable pull-up */ + at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1); + at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1); + at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1); + + at91_macb_hw_init(); +} +#endif + +int board_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + + /* Enable Ctrlc */ + console_init_f(); + + writel((1 << AT91SAM9G45_ID_PIOA) | + (1 << AT91SAM9G45_ID_PIOB) | + (1 << AT91SAM9G45_ID_PIOC) | + (1 << AT91SAM9G45_ID_PIODE), &pmc->pcer); + + /* arch number of AT91SAM9M10G45EK-Board */ + gd->bd->bi_arch_number = MACH_TYPE_PM9G45; + /* adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + at91_serial_hw_init(); +#ifdef CONFIG_CMD_NAND + pm9g45_nand_hw_init(); +#endif + +#ifdef CONFIG_MACB + pm9g45_macb_hw_init(); +#endif + return 0; +} + +int dram_init(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_MACB + /* + * Initialize ethernet HW addr prior to starting Linux, + * needed for nfsroot + */ + eth_init(gd->bd); +#endif +} +#endif + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, (void *)AT91_EMAC_BASE, 0x01); +#endif + return rc; +} |