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authorMike Frysinger <vapier@gentoo.org>2008-10-12 21:30:48 -0400
committerMike Frysinger <vapier@gentoo.org>2009-04-02 06:41:42 -0400
commit0c31ddf7b70f77dede42dc82ecab7753a819acaa (patch)
tree60074fb916ccff651234e962172ef063e5e1f490 /board
parent5c45f7cac2f74e2c14aa6b028cd969651cc9ac8e (diff)
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Blackfin: bf526-ezbrd: new board port
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board')
-rw-r--r--board/bf526-ezbrd/.gitignore1
-rw-r--r--board/bf526-ezbrd/Makefile58
-rw-r--r--board/bf526-ezbrd/bf526-ezbrd.c77
-rw-r--r--board/bf526-ezbrd/config.mk32
-rw-r--r--board/bf526-ezbrd/status-led.c56
-rw-r--r--board/bf526-ezbrd/u-boot.lds.S124
6 files changed, 348 insertions, 0 deletions
diff --git a/board/bf526-ezbrd/.gitignore b/board/bf526-ezbrd/.gitignore
new file mode 100644
index 0000000..945f324
--- /dev/null
+++ b/board/bf526-ezbrd/.gitignore
@@ -0,0 +1 @@
+/u-boot.lds
diff --git a/board/bf526-ezbrd/Makefile b/board/bf526-ezbrd/Makefile
new file mode 100644
index 0000000..88846ba
--- /dev/null
+++ b/board/bf526-ezbrd/Makefile
@@ -0,0 +1,58 @@
+#
+# U-boot - Makefile
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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).a
+
+COBJS-y := $(BOARD).o
+COBJS-$(CONFIG_STATUS_LED) += status-led.o
+
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS-y))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+$(obj)u-boot.lds: u-boot.lds.S
+ $(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P $^ > $@
+
+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/bf526-ezbrd/bf526-ezbrd.c b/board/bf526-ezbrd/bf526-ezbrd.c
new file mode 100644
index 0000000..1666bf6
--- /dev/null
+++ b/board/bf526-ezbrd/bf526-ezbrd.c
@@ -0,0 +1,77 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/blackfin.h>
+#include <asm/net.h>
+#include <asm/mach-common/bits/otp.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ printf("Board: ADI BF526 EZ-Board board\n");
+ printf(" Support: http://blackfin.uclinux.org/\n");
+ return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+ gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+ return gd->bd->bi_memsize;
+}
+
+#ifdef CONFIG_BFIN_MAC
+static void board_init_enetaddr(uchar *mac_addr)
+{
+ bool valid_mac = false;
+
+ /* the MAC is stored in OTP memory page 0xDF */
+ uint32_t ret;
+ uint64_t otp_mac;
+
+ ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
+ if (!(ret & OTP_MASTER_ERROR)) {
+ uchar *otp_mac_p = (uchar *)&otp_mac;
+
+ for (ret = 0; ret < 6; ++ret)
+ mac_addr[ret] = otp_mac_p[5 - ret];
+
+ if (is_valid_ether_addr(mac_addr))
+ valid_mac = true;
+ }
+
+ if (!valid_mac) {
+ puts("Warning: Generating 'random' MAC address\n");
+ bfin_gen_rand_mac(mac_addr);
+ }
+
+ eth_setenv_enetaddr("ethaddr", mac_addr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return bfin_EMAC_initialize(bis);
+}
+#endif
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+ uchar enetaddr[6];
+ if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+ board_init_enetaddr(enetaddr);
+#endif
+
+ return 0;
+}
diff --git a/board/bf526-ezbrd/config.mk b/board/bf526-ezbrd/config.mk
new file mode 100644
index 0000000..f4a5a80
--- /dev/null
+++ b/board/bf526-ezbrd/config.mk
@@ -0,0 +1,32 @@
+#
+# Copyright (c) 2005-2008 Analog Device Inc.
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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
+#
+
+# This is not actually used for Blackfin boards so do not change it
+#TEXT_BASE = do-not-use-me
+
+LDSCRIPT = $(obj)board/$(BOARDDIR)/u-boot.lds
+
+# Set some default LDR flags based on boot mode.
+LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))
diff --git a/board/bf526-ezbrd/status-led.c b/board/bf526-ezbrd/status-led.c
new file mode 100644
index 0000000..6327022
--- /dev/null
+++ b/board/bf526-ezbrd/status-led.c
@@ -0,0 +1,56 @@
+/*
+ * U-boot - status leds
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <status_led.h>
+
+static void set_led_f(int pf, int state)
+{
+ switch (state) {
+ case STATUS_LED_OFF: bfin_write_PORTFIO_CLEAR(pf); break;
+ case STATUS_LED_BLINKING: bfin_write_PORTFIO_TOGGLE(pf); break;
+ case STATUS_LED_ON: bfin_write_PORTFIO_SET(pf); break;
+ }
+}
+static void set_led_g(int pf, int state)
+{
+ switch (state) {
+ case STATUS_LED_OFF: bfin_write_PORTGIO_CLEAR(pf); break;
+ case STATUS_LED_BLINKING: bfin_write_PORTGIO_TOGGLE(pf); break;
+ case STATUS_LED_ON: bfin_write_PORTGIO_SET(pf); break;
+ }
+}
+
+static void set_leds(led_id_t mask, int state)
+{
+ if (mask & 0x1) set_led_f(PF8, state);
+ if (mask & 0x2) set_led_g(PG11, state);
+ if (mask & 0x4) set_led_g(PG12, state);
+}
+
+void __led_init(led_id_t mask, int state)
+{
+ bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~(PF8));
+ bfin_write_PORTG_FER(bfin_read_PORTG_FER() & ~(PG11 | PG12));
+ bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() & ~(PF8));
+ bfin_write_PORTGIO_INEN(bfin_read_PORTGIO_INEN() & ~(PG11 | PG12));
+ bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() | (PF8));
+ bfin_write_PORTGIO_DIR(bfin_read_PORTGIO_DIR() | (PG11 | PG12));
+}
+
+void __led_set(led_id_t mask, int state)
+{
+ set_leds(mask, state);
+}
+
+void __led_toggle(led_id_t mask)
+{
+ set_leds(mask, STATUS_LED_BLINKING);
+}
diff --git a/board/bf526-ezbrd/u-boot.lds.S b/board/bf526-ezbrd/u-boot.lds.S
new file mode 100644
index 0000000..3e8be35
--- /dev/null
+++ b/board/bf526-ezbrd/u-boot.lds.S
@@ -0,0 +1,124 @@
+/*
+ * U-boot - u-boot.lds.S
+ *
+ * Copyright (c) 2005-2008 Analog Device Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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 <config.h>
+#include <asm/blackfin.h>
+#undef ALIGN
+#undef ENTRY
+#undef bfin
+
+/* If we don't actually load anything into L1 data, this will avoid
+ * a syntax error. If we do actually load something into L1 data,
+ * we'll get a linker memory load error (which is what we'd want).
+ * This is here in the first place so we can quickly test building
+ * for different CPU's which may lack non-cache L1 data.
+ */
+#ifndef L1_DATA_B_SRAM
+# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
+# define L1_DATA_B_SRAM_SIZE 0
+#endif
+
+OUTPUT_ARCH(bfin)
+
+MEMORY
+{
+ ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
+ l1_code : ORIGIN = L1_INST_SRAM, LENGTH = L1_INST_SRAM_SIZE
+ l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
+}
+
+ENTRY(_start)
+SECTIONS
+{
+ .text :
+ {
+ cpu/blackfin/start.o (.text .text.*)
+ __initcode_start = .;
+ cpu/blackfin/initcode.o (.text .text.*)
+ __initcode_end = .;
+ *(.text .text.*)
+ } >ram
+
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata .rodata.*)
+ *(.rodata1)
+ *(.eh_frame)
+ . = ALIGN(4);
+ } >ram
+
+ .data :
+ {
+ . = ALIGN(256);
+ *(.data .data.*)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ } >ram
+
+ .u_boot_cmd :
+ {
+ ___u_boot_cmd_start = .;
+ *(.u_boot_cmd)
+ ___u_boot_cmd_end = .;
+ } >ram
+
+ .text_l1 :
+ {
+ . = ALIGN(4);
+ __stext_l1 = .;
+ *(.l1.text)
+ . = ALIGN(4);
+ __etext_l1 = .;
+ } >l1_code AT>ram
+ __stext_l1_lma = LOADADDR(.text_l1);
+
+ .data_l1 :
+ {
+ . = ALIGN(4);
+ __sdata_l1 = .;
+ *(.l1.data)
+ *(.l1.bss)
+ . = ALIGN(4);
+ __edata_l1 = .;
+ } >l1_data AT>ram
+ __sdata_l1_lma = LOADADDR(.data_l1);
+
+ .bss :
+ {
+ . = ALIGN(4);
+ __bss_start = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss .bss.*)
+ *(COMMON)
+ __bss_end = .;
+ } >ram
+}