Add support for Bluewater Systems Snapper 9260/9G20 modules

Add support for Bluewater Systems AT91 based Snapper 9260 and 9G20
single board computer modules. Includes NAND flash and Ethernet
support.

Signed-off-by: Ryan Mallon <ryan@bluewatersys.com>
This commit is contained in:
Ryan Mallon 2011-06-05 07:21:22 +00:00 committed by Albert ARIBAUD
parent 8073399444
commit b8d41dda22
4 changed files with 418 additions and 0 deletions

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@ -302,6 +302,11 @@ Dan Malek <dan@embeddedalley.com>
stxssa MPC85xx
stxxtc MPC8xx
Ryan Mallon <ryan@bluewatersys.com>
snapper9260 ARM926EJS (AT91SAM9260 SoC)
snapper9g20 ARM926EJS (AT91SAM9G20 SoC)
Eran Man <eran@nbase.co.il>
EVB64260_750CX MPC750CX

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@ -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
#########################################################################

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@ -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)
{
}

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@ -0,0 +1,191 @@
/*
* Bluewater Systems Snapper 9260 and 9G20 modules
*
* (C) Copyright 2011 Bluewater Systems
* Author: Andre Renaud <andre@bluewatersys.com>
* Author: 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
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* SoC type is defined in boards.cfg */
#include <asm/hardware.h>
#include <asm/sizes.h>
#define CONFIG_SYS_TEXT_BASE 0x20000000
/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
#define CONFIG_SYS_HZ 1000
/* CPU */
#define CONFIG_ARCH_CPU_INIT
#undef CONFIG_USE_IRQ
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_SKIP_RELOCATE_UBOOT
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_FIT
/* SDRAM */
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */
#define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \
GENERATED_GBL_DATA_SIZE)
/* Mem test settings */
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (1024 * 1024))
/* NAND Flash */
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
#define CONFIG_SYS_NAND_DBW_8
#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) /* AD21 */
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) /* AD22 */
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
/* Ethernet */
#define CONFIG_MACB
#define CONFIG_RMII
#define CONFIG_NET_MULTI
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_RESET_PHY_R
#define CONFIG_TFTP_PORT
#define CONFIG_TFTP_TSIZE
/* USB */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_OHCI_NEW
#define CONFIG_DOS_PARTITION
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
#define CONFIG_USB_STORAGE
/* GPIOs and IO expander */
#define CONFIG_AT91_LEGACY
#define CONFIG_ATMEL_LEGACY
#define CONFIG_AT91_GPIO
#define CONFIG_AT91_GPIO_PULLUP 1
#define CONFIG_PCA953X
#define CONFIG_SYS_I2C_PCA953X_ADDR 0x28
#define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} }
/* UARTs/Serial console */
#define CONFIG_ATMEL_USART
#define CONFIG_USART_BASE ATMEL_BASE_DBGU
#define CONFIG_USART_ID ATMEL_ID_SYS
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
#define CONFIG_SYS_PROMPT "Snapper> "
/* I2C - Bit-bashed */
#define CONFIG_SOFT_I2C
#define CONFIG_SYS_I2C_SPEED 100000
#define CONFIG_SYS_I2C_SLAVE 0x7F
#define CONFIG_SOFT_I2C_READ_REPEATED_START
#define CONFIG_I2C_MULTI_BUS
#define I2C_INIT do { \
at91_set_gpio_output(AT91_PIN_PA23, 1); \
at91_set_gpio_output(AT91_PIN_PA24, 1); \
at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \
at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \
} while (0)
#define I2C_SOFT_DECLARATIONS
#define I2C_ACTIVE
#define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1);
#define I2C_READ at91_get_gpio_value(AT91_PIN_PA23);
#define I2C_SDA(bit) do { \
if (bit) { \
at91_set_gpio_input(AT91_PIN_PA23, 1); \
} else { \
at91_set_gpio_output(AT91_PIN_PA23, 1); \
at91_set_gpio_value(AT91_PIN_PA23, bit); \
} \
} while (0)
#define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
#define I2C_DELAY udelay(2)
/* Boot options */
#define CONFIG_SYS_LOAD_ADDR 0x23000000
#define CONFIG_BOOTDELAY 3
#define CONFIG_ZERO_BOOTDELAY_CHECK
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/* Environment settings */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET (512 << 10)
#define CONFIG_ENV_SIZE (256 << 10)
#define CONFIG_ENV_OVERWRITE
#define CONFIG_BOOTARGS "console=ttyS0,115200 ip=any"
/* Console settings */
#define CONFIG_SYS_CBSIZE 256
#define CONFIG_SYS_MAXARGS 16
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_EXTBDINFO
#define CONFIG_CMDLINE_EDITING
#define CONFIG_AUTO_COMPLETE
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
/* U-Boot memory settings */
#define CONFIG_SYS_MALLOC_LEN (1 << 20)
#define CONFIG_STACKSIZE (256 << 10)
/* Command line configuration */
#include <config_cmd_default.h>
#undef CONFIG_CMD_BDI
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_IMI
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_SOURCE
#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_FAT
#define CONFIG_CMD_I2C
#undef CONFIG_CMD_GPIO
#define CONFIG_CMD_USB
#define CONFIG_CMD_MII
#define CONFIG_CMD_NAND
#define CONFIG_CMD_PCA953X
#define CONFIG_CMD_PCA953X_INFO
#endif /* __CONFIG_H */