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-rw-r--r--board/friendlyarm/mini2440/Makefile44
-rw-r--r--board/friendlyarm/mini2440/mini2440.c134
-rw-r--r--board/friendlyarm/mini2440/mini2440.h144
3 files changed, 322 insertions, 0 deletions
diff --git a/board/friendlyarm/mini2440/Makefile b/board/friendlyarm/mini2440/Makefile
new file mode 100644
index 0000000..b88e569
--- /dev/null
+++ b/board/friendlyarm/mini2440/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2012
+# 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).o
+
+COBJS := mini2440.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/friendlyarm/mini2440/mini2440.c b/board/friendlyarm/mini2440/mini2440.c
new file mode 100644
index 0000000..e97d981
--- /dev/null
+++ b/board/friendlyarm/mini2440/mini2440.c
@@ -0,0 +1,134 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2009
+ * Michel Pollet <buserror@gmail.com>
+ *
+ * (C) Copyright 2012
+ * Gabriel Huau <contact@huau-gabriel.fr>
+ *
+ * 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/s3c2440.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/gpio.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <netdev.h>
+#include "mini2440.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static inline void pll_delay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b" : "=r" (loops) : "0" (loops));
+}
+
+int board_early_init_f(void)
+{
+ struct s3c24x0_clock_power * const clk_power =
+ s3c24x0_get_base_clock_power();
+
+ /* to reduce PLL lock time, adjust the LOCKTIME register */
+ clk_power->locktime = 0xFFFFFF; /* Max PLL Lock time count */
+ clk_power->clkdivn = CLKDIVN_VAL;
+
+ /* configure UPLL */
+ clk_power->upllcon = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
+ /* some delay between MPLL and UPLL */
+ pll_delay(100);
+
+ /* configure MPLL */
+ clk_power->mpllcon = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
+
+ /* some delay between MPLL and UPLL */
+ pll_delay(10000);
+
+ return 0;
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+ struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
+
+ /* IOMUX Port H : UART Configuration */
+ gpio->gphcon = IOMUXH_nCTS0 | IOMUXH_nRTS0 | IOMUXH_TXD0 | IOMUXH_RXD0 |
+ IOMUXH_TXD1 | IOMUXH_RXD1 | IOMUXH_TXD2 | IOMUXH_RXD2;
+
+ gpio_direction_output(GPH8, 0);
+ gpio_direction_output(GPH9, 0);
+ gpio_direction_output(GPH10, 0);
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_BOOT_PARAM_ADDR;
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ struct s3c24x0_memctl *memctl = s3c24x0_get_base_memctl();
+
+ /*
+ * Configuring bus width and timing
+ * Initialize clocks for each bank 0..5
+ * Bank 3 and 4 are used for DM9000
+ */
+ writel(BANK_CONF, &memctl->bwscon);
+ writel(B0_CONF, &memctl->bankcon[0]);
+ writel(B1_CONF, &memctl->bankcon[1]);
+ writel(B2_CONF, &memctl->bankcon[2]);
+ writel(B3_CONF, &memctl->bankcon[3]);
+ writel(B4_CONF, &memctl->bankcon[4]);
+ writel(B5_CONF, &memctl->bankcon[5]);
+
+ /* Bank 6 and 7 are used for DRAM */
+ writel(SDRAM_64MB, &memctl->bankcon[6]);
+ writel(SDRAM_64MB, &memctl->bankcon[7]);
+
+ writel(MEM_TIMING, &memctl->refresh);
+ writel(BANKSIZE_CONF, &memctl->banksize);
+ writel(B6_MRSR, &memctl->mrsrb6);
+ writel(B7_MRSR, &memctl->mrsrb7);
+
+ gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
+ PHYS_SDRAM_SIZE);
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_DRIVER_DM9000
+ return dm9000_initialize(bis);
+#else
+ return 0;
+#endif
+}
diff --git a/board/friendlyarm/mini2440/mini2440.h b/board/friendlyarm/mini2440/mini2440.h
new file mode 100644
index 0000000..db386ea
--- /dev/null
+++ b/board/friendlyarm/mini2440/mini2440.h
@@ -0,0 +1,144 @@
+#ifndef __MINI2440_BOARD_CONF_H__
+#define __MINI2440_BOARD_CONF_H__
+
+/* PLL Parameters */
+#define CLKDIVN_VAL 7
+#define M_MDIV 0x7f
+#define M_PDIV 0x2
+#define M_SDIV 0x1
+
+#define U_M_MDIV 0x38
+#define U_M_PDIV 0x2
+#define U_M_SDIV 0x2
+
+/* BWSCON */
+#define DW8 0x0
+#define DW16 0x1
+#define DW32 0x2
+#define WAIT (0x1<<2)
+#define UBLB (0x1<<3)
+
+#define B1_BWSCON (DW32)
+#define B2_BWSCON (DW16)
+#define B3_BWSCON (DW16 + WAIT + UBLB)
+#define B4_BWSCON (DW16 + WAIT + UBLB)
+#define B5_BWSCON (DW16)
+#define B6_BWSCON (DW32)
+#define B7_BWSCON (DW32)
+
+/*
+ * Bank Configuration
+ */
+#define B0_Tacs 0x0 /* 0clk */
+#define B0_Tcos 0x0 /* 0clk */
+#define B0_Tacc 0x7 /* 14clk */
+#define B0_Tcoh 0x0 /* 0clk */
+#define B0_Tah 0x0 /* 0clk */
+#define B0_Tacp 0x0 /* 0clk */
+#define B0_PMC 0x0 /* normal */
+
+#define B1_Tacs 0x0
+#define B1_Tcos 0x0
+#define B1_Tacc 0x7
+#define B1_Tcoh 0x0
+#define B1_Tah 0x0
+#define B1_Tacp 0x0
+#define B1_PMC 0x0
+
+#define B2_Tacs 0x0
+#define B2_Tcos 0x0
+#define B2_Tacc 0x7
+#define B2_Tcoh 0x0
+#define B2_Tah 0x0
+#define B2_Tacp 0x0
+#define B2_PMC 0x0
+
+#define B3_Tacs 0x0
+#define B3_Tcos 0x3 /* 4clk */
+#define B3_Tacc 0x7
+#define B3_Tcoh 0x1 /* 1clk */
+#define B3_Tah 0x3 /* 4clk */
+#define B3_Tacp 0x0
+#define B3_PMC 0x0
+
+#define B4_Tacs 0x0
+#define B4_Tcos 0x3
+#define B4_Tacc 0x7
+#define B4_Tcoh 0x1
+#define B4_Tah 0x3
+#define B4_Tacp 0x0
+#define B4_PMC 0x0
+
+#define B5_Tacs 0x0
+#define B5_Tcos 0x0
+#define B5_Tacc 0x7
+#define B5_Tcoh 0x0
+#define B5_Tah 0x0
+#define B5_Tacp 0x0
+#define B5_PMC 0x0
+
+/*
+ * SDRAM Configuration
+ */
+#define SDRAM_MT 0x3 /* SDRAM */
+#define SDRAM_Trcd 0x0 /* 2clk */
+#define SDRAM_SCAN_9 0x1 /* 9bit */
+#define SDRAM_SCAN_10 0x2 /* 10bit */
+
+#define SDRAM_64MB ((SDRAM_MT<<15) + (SDRAM_Trcd<<2) + (SDRAM_SCAN_9))
+
+/*
+ * Refresh Parameter
+ */
+#define REFEN 0x1 /* Refresh enable */
+#define TREFMD 0x0 /* CBR(CAS before RAS)/Auto refresh */
+#define Trp 0x1 /* 3clk */
+#define Trc 0x3 /* 7clk */
+#define Tchr 0x0 /* unused */
+#define REFCNT 1012 /* period=10.37us, HCLK=100Mhz, (2048 + 1-10.37*100) */
+
+/*
+ * MRSR Parameter
+ */
+#define BL 0x0
+#define BT 0x0
+#define CL 0x3 /* 3 clocks */
+#define TM 0x0
+#define WBL 0x0
+
+/*
+ * BankSize Parameter
+ */
+#define BK76MAP 0x2 /* 128MB/128MB */
+#define SCLK_EN 0x1 /* SCLK active */
+#define SCKE_EN 0x1 /* SDRAM power down mode enable */
+#define BURST_EN 0x1 /* Burst enable */
+
+/*
+ * Register values
+ */
+#define BANK_CONF ((0 + (B1_BWSCON<<4) + (B2_BWSCON<<8) + (B3_BWSCON<<12) + \
+ (B4_BWSCON<<16) + (B5_BWSCON<<20) + (B6_BWSCON<<24) + \
+ (B7_BWSCON<<28)))
+
+#define B0_CONF ((B0_Tacs<<13) + (B0_Tcos<<11) + (B0_Tacc<<8) + \
+ (B0_Tcoh<<6) + (B0_Tah<<4) + (B0_Tacp<<2) + (B0_PMC))
+#define B1_CONF ((B1_Tacs<<13) + (B1_Tcos<<11) + (B1_Tacc<<8) + \
+ (B1_Tcoh<<6) + (B1_Tah<<4) + (B1_Tacp<<2) + (B1_PMC))
+#define B2_CONF ((B2_Tacs<<13) + (B2_Tcos<<11) + (B2_Tacc<<8) + \
+ (B2_Tcoh<<6) + (B2_Tah<<4) + (B2_Tacp<<2) + (B2_PMC))
+#define B3_CONF ((B3_Tacs<<13) + (B3_Tcos<<11) + (B3_Tacc<<8) + \
+ (B3_Tcoh<<6) + (B3_Tah<<4) + (B3_Tacp<<2) + (B3_PMC))
+#define B4_CONF ((B4_Tacs<<13) + (B4_Tcos<<11) + (B4_Tacc<<8) + \
+ (B4_Tcoh<<6) + (B4_Tah<<4) + (B4_Tacp<<2) + (B4_PMC))
+#define B5_CONF ((B5_Tacs<<13) + (B5_Tcos<<11) + (B5_Tacc<<8) + \
+ (B5_Tcoh<<6) + (B5_Tah<<4) + (B5_Tacp<<2) + (B5_PMC))
+
+#define MEM_TIMING (REFEN<<23) + (TREFMD<<22) + (Trp<<20) + \
+ (Trc<<18) + (Tchr<<16) + REFCNT
+
+#define BANKSIZE_CONF (BK76MAP) + (SCLK_EN<<4) + (SCKE_EN<<5) + (BURST_EN<<7)
+#define B6_MRSR (CL<<4)
+#define B7_MRSR (CL<<4)
+
+#endif
generated by cgit v1.1 at 2024-12-23 17:31:31 +0000