diff options
Diffstat (limited to 'board/bluewater')
| -rw-r--r-- | board/bluewater/snapper9260/Makefile | 53 | ||||
| -rw-r--r-- | board/bluewater/snapper9260/snapper9260.c | 169 |
2 files changed, 222 insertions, 0 deletions
diff --git a/board/bluewater/snapper9260/Makefile b/board/bluewater/snapper9260/Makefile new file mode 100644 index 0000000..4fccdaa --- /dev/null +++ b/board/bluewater/snapper9260/Makefile @@ -0,0 +1,53 @@ +# +# (C) Copyright 2003-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2011 Bluewater Systems +# Ryan Mallon <ryan@bluewatersys.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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS-y += snapper9260.o + +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/bluewater/snapper9260/snapper9260.c b/board/bluewater/snapper9260/snapper9260.c new file mode 100644 index 0000000..60c55e9 --- /dev/null +++ b/board/bluewater/snapper9260/snapper9260.c @@ -0,0 +1,169 @@ +/* + * Bluewater Systems Snapper 9260/9G20 modules + * + * (C) Copyright 2011 Bluewater Systems + * Author: Andre Renaud <andre@bluewatersys.com> + * Author: Ryan Mallon <ryan@bluewatersys.com> + * + * 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_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 <net.h> +#include <netdev.h> +#include <i2c.h> +#include <pca953x.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* IO Expander pins */ +#define IO_EXP_ETH_RESET (0 << 1) +#define IO_EXP_ETH_POWER (1 << 1) + +static void macb_hw_init(void) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + struct at91_port *pioa = (struct at91_port *)ATMEL_BASE_PIOA; + struct at91_rstc *rstc = (struct at91_rstc *)ATMEL_BASE_RSTC; + unsigned long erstl; + + /* Enable clock */ + writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); + + /* Disable pull-ups to prevent PHY going into test mode */ + writel(pin_to_mask(AT91_PIN_PA14) | + pin_to_mask(AT91_PIN_PA15) | + pin_to_mask(AT91_PIN_PA18), + &pioa->pudr); + + /* Power down ethernet */ + pca953x_set_dir(0x28, IO_EXP_ETH_POWER, PCA953X_DIR_OUT); + pca953x_set_val(0x28, IO_EXP_ETH_POWER, 1); + + /* Hold ethernet in reset */ + pca953x_set_dir(0x28, IO_EXP_ETH_RESET, PCA953X_DIR_OUT); + pca953x_set_val(0x28, IO_EXP_ETH_RESET, 0); + + /* Enable ethernet power */ + pca953x_set_val(0x28, IO_EXP_ETH_POWER, 0); + + /* Need to reset PHY -> 500ms reset */ + erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK; + writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(13) | + 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 | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr); + + /* Bring the ethernet out of reset */ + pca953x_set_val(0x28, IO_EXP_ETH_RESET, 1); + + /* The phy internal reset take 21ms */ + udelay(21 * 1000); + + /* Re-enable pull-up */ + writel(pin_to_mask(AT91_PIN_PA14) | + pin_to_mask(AT91_PIN_PA15) | + pin_to_mask(AT91_PIN_PA18), + &pioa->puer); + + at91_macb_hw_init(); +} + +static void nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; + unsigned long csa; + + /* Enable CS3 as NAND/SmartMedia */ + 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(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); + + /* 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) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* Enable PIO clocks */ + writel((1 << ATMEL_ID_PIOA) | + (1 << ATMEL_ID_PIOB) | + (1 << ATMEL_ID_PIOC), &pmc->pcer); + + /* The mach-type is the same for both Snapper 9260 and 9G20 */ + gd->bd->bi_arch_number = MACH_TYPE_SNAPPER_9260; + + /* Address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + /* Initialise peripherals */ + at91_seriald_hw_init(); + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + nand_hw_init(); + macb_hw_init(); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + return macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC0, 0x1f); +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +void reset_phy(void) +{ +} |