[U-Boot-Users] [PATCH 1/1] Add support for the hammerhead (AVR32) board
Julien May
mailinglist at miromico.ch
Mon Jun 23 13:58:45 CEST 2008
Signed-off-by: Julien May <mailinglist at miromico.ch>
---
MAKEALL | 1 +
Makefile | 3 +
board/miromico/hammerhead/Makefile | 40 +++++++
board/miromico/hammerhead/config.mk | 3 +
board/miromico/hammerhead/eth.c | 37 ++++++
board/miromico/hammerhead/hammerhead.c | 105 +++++++++++++++++
board/miromico/hammerhead/u-boot.lds | 73 ++++++++++++
cpu/at32ap/at32ap700x/gpio.c | 11 ++
cpu/at32ap/at32ap700x/sm.h | 2 +-
cpu/at32ap/cpu.c | 5 +
include/asm-avr32/arch-at32ap700x/clk.h | 1 +
include/asm-avr32/arch-at32ap700x/gpio.h | 3 +
include/configs/hammerhead.h | 179 ++++++++++++++++++++++++++++++
net/eth.c | 4 +
14 files changed, 466 insertions(+), 1 deletions(-)
create mode 100644 board/miromico/hammerhead/Makefile
create mode 100644 board/miromico/hammerhead/config.mk
create mode 100644 board/miromico/hammerhead/eth.c
create mode 100644 board/miromico/hammerhead/hammerhead.c
create mode 100644 board/miromico/hammerhead/u-boot.lds
create mode 100644 include/configs/hammerhead.h
diff --git a/MAKEALL b/MAKEALL
index f40de23..89b68a5 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -699,6 +699,7 @@ LIST_avr32=" \
atstk1004 \
atstk1006 \
atngw100 \
+ hammerhead \
"
#########################################################################
diff --git a/Makefile b/Makefile
index 154e592..09bae45 100644
--- a/Makefile
+++ b/Makefile
@@ -2885,6 +2885,9 @@ atstk1006_config : unconfig
atngw100_config : unconfig
@$(MKCONFIG) $(@:_config=) avr32 at32ap atngw100 atmel at32ap700x
+hammerhead_config : unconfig
+ @$(MKCONFIG) $(@:_config=) avr32 at32ap hammerhead miromico at32ap700x
+
#########################################################################
#########################################################################
#########################################################################
diff --git a/board/miromico/hammerhead/Makefile b/board/miromico/hammerhead/Makefile
new file mode 100644
index 0000000..c5fc67a
--- /dev/null
+++ b/board/miromico/hammerhead/Makefile
@@ -0,0 +1,40 @@
+#
+# Copyright (C) 2008 Miromico AG
+#
+# 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 := $(BOARD).o eth.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/miromico/hammerhead/config.mk b/board/miromico/hammerhead/config.mk
new file mode 100644
index 0000000..9a794e5
--- /dev/null
+++ b/board/miromico/hammerhead/config.mk
@@ -0,0 +1,3 @@
+TEXT_BASE = 0x00000000
+PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
+PLATFORM_LDFLAGS += --gc-sections
diff --git a/board/miromico/hammerhead/eth.c b/board/miromico/hammerhead/eth.c
new file mode 100644
index 0000000..969c48e
--- /dev/null
+++ b/board/miromico/hammerhead/eth.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2008 Miromico AG
+ *
+ * Ethernet initialization for the Miromico Hammerhead AVR32 board
+ *
+ * Mostly copied form Atmel ATNGW100 sources
+ *
+ * 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/arch/memory-map.h>
+
+extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
+
+#ifdef CONFIG_CMD_NET
+void board_eth_initialize(bd_t *bi)
+{
+ macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
+}
+#endif
diff --git a/board/miromico/hammerhead/hammerhead.c b/board/miromico/hammerhead/hammerhead.c
new file mode 100644
index 0000000..69ff7fa
--- /dev/null
+++ b/board/miromico/hammerhead/hammerhead.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2008 Miromico AG
+ *
+ * Mostly copied form atmel ATNGW100 sources
+ *
+ * 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 "../cpu/at32ap/at32ap700x/sm.h"
+
+#include <common.h>
+
+#include <asm/io.h>
+#include <asm/sdram.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/hmatrix.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct sdram_config sdram_config = {
+ .data_bits = SDRAM_DATA_32BIT,
+ .row_bits = 13,
+ .col_bits = 9,
+ .bank_bits = 2,
+ .cas = 3,
+ .twr = 2,
+ .trc = 7,
+ .trp = 2,
+ .trcd = 2,
+ .tras = 5,
+ .txsr = 5,
+ /* 7.81 us */
+ .refresh_period = (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
+};
+
+int board_early_init_f(void)
+{
+ /* Enable SDRAM in the EBI mux */
+ hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
+
+ gpio_enable_ebi();
+ gpio_enable_usart1();
+
+#if defined(CONFIG_MACB)
+ gpio_enable_macb0();
+#endif
+#if defined(CONFIG_MMC)
+ gpio_enable_mmci();
+#endif
+
+ /* Select GCLK3 peripheral function. We'll need it as clock output
+ * for ethernet PHY. */
+ gpio_enable_gclk3();
+ return 0;
+}
+
+long int initdram(int board_type)
+{
+ unsigned long expected_size;
+ unsigned long actual_size;
+ void *sdram_base;
+
+ sdram_base = map_physmem(EBI_SDRAM_BASE, EBI_SDRAM_SIZE, MAP_NOCACHE);
+
+ expected_size = sdram_init(sdram_base, &sdram_config);
+ actual_size = get_ram_size(sdram_base, expected_size);
+
+ unmap_physmem(sdram_base, EBI_SDRAM_SIZE);
+
+ if (expected_size != actual_size)
+ printf("Warning: Only %u of %u MiB SDRAM is working\n",
+ actual_size >> 20, expected_size >> 20);
+
+ return actual_size;
+}
+
+void board_init_info(void)
+{
+ gd->bd->bi_phy_id[0] = 0x01;
+}
+
+void gclk_init(void)
+{
+ /* Hammerhead boards uses GCLK3 as 25MHz output to ethernet PHY */
+
+ /* Enable GCLK3 with no input divider, from OSC0 (crystal) */
+ sm_writel( PM_GCCTRL(3), SM_BIT(CEN) );
+}
diff --git a/board/miromico/hammerhead/u-boot.lds b/board/miromico/hammerhead/u-boot.lds
new file mode 100644
index 0000000..e736adf
--- /dev/null
+++ b/board/miromico/hammerhead/u-boot.lds
@@ -0,0 +1,73 @@
+/* -*- Fundamental -*-
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * 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
+ */
+OUTPUT_FORMAT("elf32-avr32", "elf32-avr32", "elf32-avr32")
+OUTPUT_ARCH(avr32)
+ENTRY(_start)
+
+SECTIONS
+{
+ . = 0;
+ _text = .;
+ .text : {
+ *(.exception.text)
+ *(.text)
+ *(.text.*)
+ }
+ _etext = .;
+
+ .rodata : {
+ *(.rodata)
+ *(.rodata.*)
+ }
+
+ . = ALIGN(8);
+ _data = .;
+ .data : {
+ *(.data)
+ *(.data.*)
+ }
+
+ . = ALIGN(4);
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : {
+ KEEP(*(.u_boot_cmd))
+ }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ _got = .;
+ .got : {
+ *(.got)
+ }
+ _egot = .;
+
+ . = ALIGN(8);
+ _edata = .;
+
+ .bss : {
+ *(.bss)
+ *(.bss.*)
+ }
+ . = ALIGN(8);
+ _end = .;
+}
diff --git a/cpu/at32ap/at32ap700x/gpio.c b/cpu/at32ap/at32ap700x/gpio.c
index 859124a..2b7717f 100644
--- a/cpu/at32ap/at32ap700x/gpio.c
+++ b/cpu/at32ap/at32ap700x/gpio.c
@@ -142,3 +142,14 @@ void gpio_enable_mmci(void)
gpio_select_periph_A(GPIO_PIN_PA15, 0); /* DATA3 */
}
#endif
+
+/*
+ * Hammerhead board uses GCLK3 (Periph A on PB29) as 25MHz clock output
+ * for ethernet PHY.
+ */
+void __gpio_enable_gclk3(void)
+{
+ gpio_select_periph_A(GPIO_PIN_PB29, 0); /* GCLK3 */
+}
+
+void gpio_enable_gclk3(void) __attribute__((weak, alias("__gpio_enable_gclk3")));
diff --git a/cpu/at32ap/at32ap700x/sm.h b/cpu/at32ap/at32ap700x/sm.h
index 6492c8e..b6e4409 100644
--- a/cpu/at32ap/at32ap700x/sm.h
+++ b/cpu/at32ap/at32ap700x/sm.h
@@ -21,7 +21,7 @@
#define SM_PM_IMR 0x0048
#define SM_PM_ISR 0x004c
#define SM_PM_ICR 0x0050
-#define SM_PM_GCCTRL 0x0060
+#define SM_PM_GCCTRL(x) (0x0060 + 4 * x)
#define SM_RTC_CTRL 0x0080
#define SM_RTC_VAL 0x0084
#define SM_RTC_TOP 0x0088
diff --git a/cpu/at32ap/cpu.c b/cpu/at32ap/cpu.c
index 0ba8361..4a92aab 100644
--- a/cpu/at32ap/cpu.c
+++ b/cpu/at32ap/cpu.c
@@ -65,6 +65,11 @@ int cpu_init(void)
sysreg_write(EVBA, (unsigned long)&_evba);
asm volatile("csrf %0" : : "i"(SYSREG_EM_OFFSET));
+ if(gclk_init)
+ {
+ gclk_init();
+ }
+
return 0;
}
diff --git a/include/asm-avr32/arch-at32ap700x/clk.h b/include/asm-avr32/arch-at32ap700x/clk.h
index 4a1dd33..63671db 100644
--- a/include/asm-avr32/arch-at32ap700x/clk.h
+++ b/include/asm-avr32/arch-at32ap700x/clk.h
@@ -76,6 +76,7 @@ static inline unsigned long get_mci_clk_rate(void)
#endif
extern void clk_init(void);
+extern void gclk_init(void) __attribute__((weak));
/* Board code may need the SDRAM base clock as a compile-time constant */
#define SDRAMC_BUS_HZ (MAIN_CLK_RATE >> CFG_CLKDIV_HSB)
diff --git a/include/asm-avr32/arch-at32ap700x/gpio.h b/include/asm-avr32/arch-at32ap700x/gpio.h
index b10a3e4..c350d54 100644
--- a/include/asm-avr32/arch-at32ap700x/gpio.h
+++ b/include/asm-avr32/arch-at32ap700x/gpio.h
@@ -216,5 +216,8 @@ void gpio_enable_macb1(void);
#ifdef AT32AP700x_CHIP_HAS_MMCI
void gpio_enable_mmci(void);
#endif
+#ifdef CONFIG_HAMMERHEAD
+void gpio_enable_gclk3(void);
+#endif
#endif /* __ASM_AVR32_ARCH_GPIO_H__ */
diff --git a/include/configs/hammerhead.h b/include/configs/hammerhead.h
new file mode 100644
index 0000000..6699aea
--- /dev/null
+++ b/include/configs/hammerhead.h
@@ -0,0 +1,179 @@
+/*
+ * Copyright (C) 2008 Miromico AG
+ *
+ * Configuration settings for the Miromico Hammerhead AVR32 board
+ *
+ * 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
+
+#define CONFIG_AVR32 1
+#define CONFIG_AT32AP 1
+#define CONFIG_AT32AP7000 1
+#define CONFIG_HAMMERHEAD 1
+
+#define CFG_HZ 1000
+
+/*
+ * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
+ * frequency, the HSB and PBB busses to run at 1/2 the PLL frequency
+ * and the PBA bus to run at 1/4 the PLL frequency.
+ */
+#define CONFIG_PLL 1
+#define CFG_POWER_MANAGER 1
+#define CFG_OSC0_HZ 25000000 /* 25MHz crystal */
+#define CFG_PLL0_DIV 1
+#define CFG_PLL0_MUL 5
+#define CFG_PLL0_SUPPRESS_CYCLES 16
+#define CFG_CLKDIV_CPU 0
+#define CFG_CLKDIV_HSB 1
+#define CFG_CLKDIV_PBA 2
+#define CFG_CLKDIV_PBB 1
+
+/*
+ * The PLLOPT register controls the PLL like this:
+ * icp = PLLOPT<2>
+ * ivco = PLLOPT<1:0>
+ *
+ * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
+ */
+#define CFG_PLL0_OPT 0x04
+
+#define CONFIG_USART1 1
+
+#define CONFIG_HOSTNAME hammerhead
+
+/* User serviceable stuff */
+#define CONFIG_DOS_PARTITION 1
+
+#define CONFIG_CMDLINE_TAG 1
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+#define CONFIG_STACKSIZE (2048)
+
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_BOOTARGS \
+ "console=ttyS0 root=/dev/mtdblock1 rootfstype=jffs2"
+#define CONFIG_BOOTCOMMAND \
+ "fsload; bootm"
+
+/*
+ * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
+ * data on the serial line may interrupt the boot sequence.
+ */
+#define CONFIG_BOOTDELAY 1
+#define CONFIG_AUTOBOOT 1
+#define CONFIG_AUTOBOOT_KEYED 1
+#define CONFIG_AUTOBOOT_PROMPT \
+ "Press SPACE to abort autoboot in %d seconds\n"
+#define CONFIG_AUTOBOOT_DELAY_STR "d"
+#define CONFIG_AUTOBOOT_STOP_STR " "
+
+/*
+ * After booting the board for the first time, new ethernet address
+ * should be generated and assigned to the environment variables
+ * "ethaddr". This is normally done during production.
+ */
+#define CONFIG_OVERWRITE_ETHADDR_ONCE 1
+#define CONFIG_NET_MULTI 1
+
+/*
+ * BOOTP/DHCP options
+ */
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_BOOTP_GATEWAY
+
+#define CONFIG_DOS_PARTITION 1
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_JFFS2
+#define CONFIG_CMD_MMC
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_SETGETDCR
+
+#define CONFIG_ATMEL_USART 1
+#define CONFIG_MACB 1
+#define CONFIG_PIO2 1
+#define CFG_NR_PIOS 5
+#define CFG_HSDRAMC 1
+#define CONFIG_MMC 1
+
+#define CFG_DCACHE_LINESZ 32
+#define CFG_ICACHE_LINESZ 32
+
+#define CONFIG_NR_DRAM_BANKS 1
+
+#define CFG_FLASH_CFI 1
+#define CFG_FLASH_CFI_DRIVER 1
+
+#define CFG_FLASH_BASE 0x00000000
+#define CFG_FLASH_SIZE 0x800000
+#define CFG_MAX_FLASH_BANKS 1
+#define CFG_MAX_FLASH_SECT 135
+
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+
+#define CFG_INTRAM_BASE 0x24000000
+#define CFG_INTRAM_SIZE 0x8000
+
+#define CFG_SDRAM_BASE 0x10000000
+
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_SIZE 65536
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_FLASH_SIZE - CFG_ENV_SIZE)
+
+#define CFG_INIT_SP_ADDR (CFG_INTRAM_BASE + CFG_INTRAM_SIZE)
+
+#define CFG_MALLOC_LEN (256*1024)
+#define CFG_MALLOC_END \
+ ({ \
+ DECLARE_GLOBAL_DATA_PTR; \
+ CFG_SDRAM_BASE + gd->sdram_size; \
+ })
+#define CFG_MALLOC_START (CFG_MALLOC_END - CFG_MALLOC_LEN)
+
+#define CFG_DMA_ALLOC_LEN (16384)
+
+/* Allow 4MB for the kernel run-time image */
+#define CFG_LOAD_ADDR (CFG_SDRAM_BASE + 0x00400000)
+#define CFG_BOOTPARAMS_LEN (16 * 1024)
+
+/* Other configuration settings that shouldn't have to change all that often */
+#define CFG_PROMPT "Uboot> "
+#define CFG_CBSIZE 256
+#define CFG_MAXARGS 16
+#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_LONGHELP 1
+
+#define CFG_MEMTEST_START CFG_SDRAM_BASE
+#define CFG_MEMTEST_END (CFG_MEMTEST_START + 0x1f00000)
+
+#define CFG_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
+
+#endif /* __CONFIG_H */
diff --git a/net/eth.c b/net/eth.c
index c4f24c6..054a9fd 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -65,6 +65,7 @@ extern int atngw100_eth_initialize(bd_t *);
extern int mcffec_initialize(bd_t*);
extern int mcdmafec_initialize(bd_t*);
extern int at91sam9_eth_initialize(bd_t *);
+extern int board_eth_initialize(bd_t *);
#ifdef CONFIG_API
extern void (*push_packet)(volatile void *, int);
@@ -291,6 +292,9 @@ int eth_initialize(bd_t *bis)
#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260)
at91sam9_eth_initialize(bis);
#endif
+#if defined(CONFIG_HAMMERHEAD)
+ board_eth_initialize(bis);
+#endif
if (!eth_devices) {
puts ("No ethernet found.\n");
--
1.5.5.GIT
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