[U-Boot] [PATCH 2/3] Add support for Bluewater Systems Snapper 9260 and 9G20 modules
Ryan Mallon
ryan at bluewatersys.com
Tue Jan 25 02:57:58 CET 2011
Signed-off-by: Ryan Mallon <ryan at bluewatersys.com>
---
board/bluewater/snapper9260/Makefile | 55 +++++++++
board/bluewater/snapper9260/config.mk | 1 +
board/bluewater/snapper9260/snapper9260.c | 177 +++++++++++++++++++++++++++++
3 files changed, 233 insertions(+), 0 deletions(-)
create mode 100644 board/bluewater/snapper9260/Makefile
create mode 100644 board/bluewater/snapper9260/config.mk
create mode 100644 board/bluewater/snapper9260/snapper9260.c
diff --git a/board/bluewater/snapper9260/Makefile b/board/bluewater/snapper9260/Makefile
new file mode 100644
index 0000000..20d2406
--- /dev/null
+++ b/board/bluewater/snapper9260/Makefile
@@ -0,0 +1,55 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# (C) Copyright 2011 Bluewater Systems
+#
+# 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): $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/bluewater/snapper9260/config.mk b/board/bluewater/snapper9260/config.mk
new file mode 100644
index 0000000..e554a45
--- /dev/null
+++ b/board/bluewater/snapper9260/config.mk
@@ -0,0 +1 @@
+CONFIG_SYS_TEXT_BASE = 0x23f00000
diff --git a/board/bluewater/snapper9260/snapper9260.c b/board/bluewater/snapper9260/snapper9260.c
new file mode 100644
index 0000000..04cb0a8
--- /dev/null
+++ b/board/bluewater/snapper9260/snapper9260.c
@@ -0,0 +1,177 @@
+/*
+ * Bluewater Systems Snapper 9260/9G20 modules
+ *
+ * (C) Copyright 2011 Bluewater Systems
+ * Author: Andre Renaud <andre at bluewatersys.com>
+ * Author: Ryan Mallon <ryan at 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/sizes.h>
+#include <asm/arch/at91sam9260.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/at91_pio.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+#include <asm/arch/hardware.h>
+#include <net.h>
+#include <netdev.h>
+
+#include <i2c.h>
+#include <pca953x.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* The mach-type is the same for both Snapper 9260 and 9G20 */
+#define SNAPPER9260_MACH_TYPE 1987
+
+#define IO_EXP_ETH_RESET (0 << 1)
+#define IO_EXP_ETH_POWER (1 << 1)
+
+static void macb_hw_init(void)
+{
+ unsigned long rstc;
+
+ /* Enable clock */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_EMAC);
+
+ /* 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),
+ pin_to_controller(AT91_PIN_PA0) + PIO_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);
+
+ rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
+
+ /* Need to reset PHY -> 500ms reset */
+ at91_sys_write(AT91_RSTC_MR, (AT91_RSTC_KEY |
+ (AT91_RSTC_ERSTL & (0x0d << 8)) |
+ AT91_RSTC_URSTEN));
+
+ at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
+
+ /* Wait for end hardware reset */
+ while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
+
+ /* Restore NRST value */
+ at91_sys_write(AT91_RSTC_MR, (rstc | AT91_RSTC_KEY |
+ AT91_RSTC_URSTEN));
+
+ /* 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),
+ pin_to_controller(AT91_PIN_PA0) + PIO_PUER);
+
+ at91_macb_hw_init();
+}
+
+static void nand_hw_init(void)
+{
+ unsigned long csa;
+
+ /* Enable CS3 */
+ csa = at91_sys_read(AT91_MATRIX_EBICSA);
+ at91_sys_write(AT91_MATRIX_EBICSA,
+ csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+
+ /* Configure SMC CS3 for NAND/SmartMedia */
+ at91_sys_write(AT91_SMC_SETUP(3),
+ AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) |
+ AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
+ at91_sys_write(AT91_SMC_PULSE(3),
+ AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(4) |
+ AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(4));
+ at91_sys_write(AT91_SMC_CYCLE(3),
+ AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));
+ at91_sys_write(AT91_SMC_MODE(3),
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_EXNWMODE_DISABLE |
+ AT91_SMC_DBW_8 |
+ AT91_SMC_TDF_(3));
+
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
+
+ /* 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)
+{
+ /* Enable Ctrl-c */
+ console_init_f();
+
+ gd->bd->bi_arch_number = SNAPPER9260_MACH_TYPE;
+
+ /* Address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ /* Enable PIO clocks */
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOA);
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOB);
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
+
+ /* Initalise i2c (for IO expander) */
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+ at91_serial_hw_init();
+ nand_hw_init();
+ macb_hw_init();
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return macb_eth_initialize(0, (void *)AT91SAM9260_BASE_EMAC, 0x1f);
+}
+
+int dram_init(void)
+{
+ gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+ return 0;
+}
+
+void reset_phy(void)
+{
+}
--
1.7.0.4
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