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-rw-r--r--board/samsung/smdkc100/Makefile55
-rw-r--r--board/samsung/smdkc100/config.mk16
-rw-r--r--board/samsung/smdkc100/lowlevel_init.S215
-rw-r--r--board/samsung/smdkc100/mem_setup.S197
-rw-r--r--board/samsung/smdkc100/onenand.c83
-rw-r--r--board/samsung/smdkc100/smdkc100.c51
6 files changed, 617 insertions, 0 deletions
diff --git a/board/samsung/smdkc100/Makefile b/board/samsung/smdkc100/Makefile
new file mode 100644
index 0000000..808d0dd
--- /dev/null
+++ b/board/samsung/smdkc100/Makefile
@@ -0,0 +1,55 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@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 := smdkc100.o
+COBJS-$(CONFIG_SAMSUNG_ONENAND) += onenand.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(SOBJS) $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(SOBJS) $(OBJS)
+
+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/samsung/smdkc100/config.mk b/board/samsung/smdkc100/config.mk
new file mode 100644
index 0000000..ebab420
--- /dev/null
+++ b/board/samsung/smdkc100/config.mk
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2008 # Samsung Elecgtronics
+# Kyungmin Park <kyungmin.park@samsung.com>
+#
+
+# On S5PC100 we use the 128 MiB OneDRAM bank at
+#
+# 0x30000000 to 0x35000000 (80MiB)
+# 0x38000000 to 0x40000000 (128MiB)
+#
+# On S5PC110 we use the 128 MiB OneDRAM bank at
+#
+# 0x30000000 to 0x35000000 (80MiB)
+# 0x40000000 to 0x48000000 (128MiB)
+#
+TEXT_BASE = 0x34800000
diff --git a/board/samsung/smdkc100/lowlevel_init.S b/board/samsung/smdkc100/lowlevel_init.S
new file mode 100644
index 0000000..32572c5
--- /dev/null
+++ b/board/samsung/smdkc100/lowlevel_init.S
@@ -0,0 +1,215 @@
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ * Minkyu Kang <mk7.kang@samsung.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 <config.h>
+#include <version.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/power.h>
+
+/*
+ * Register usages:
+ *
+ * r5 has zero always
+ */
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+ .globl lowlevel_init
+lowlevel_init:
+ mov r9, lr
+
+ /* r5 has always zero */
+ mov r5, #0
+
+ ldr r8, =S5PC100_GPIO_BASE
+
+ /* Disable Watchdog */
+ ldr r0, =S5PC100_WATCHDOG_BASE @0xEA200000
+ orr r0, r0, #0x0
+ str r5, [r0]
+
+#ifndef CONFIG_ONENAND_IPL
+ /* setting SRAM */
+ ldr r0, =S5PC100_SROMC_BASE
+ ldr r1, =0x9
+ str r1, [r0]
+#endif
+
+ /* S5PC100 has 3 groups of interrupt sources */
+ ldr r0, =S5PC100_VIC0_BASE @0xE4000000
+ ldr r1, =S5PC100_VIC1_BASE @0xE4000000
+ ldr r2, =S5PC100_VIC2_BASE @0xE4000000
+
+ /* Disable all interrupts (VIC0, VIC1 and VIC2) */
+ mvn r3, #0x0
+ str r3, [r0, #0x14] @INTENCLEAR
+ str r3, [r1, #0x14] @INTENCLEAR
+ str r3, [r2, #0x14] @INTENCLEAR
+
+#ifndef CONFIG_ONENAND_IPL
+ /* Set all interrupts as IRQ */
+ str r5, [r0, #0xc] @INTSELECT
+ str r5, [r1, #0xc] @INTSELECT
+ str r5, [r2, #0xc] @INTSELECT
+
+ /* Pending Interrupt Clear */
+ str r5, [r0, #0xf00] @INTADDRESS
+ str r5, [r1, #0xf00] @INTADDRESS
+ str r5, [r2, #0xf00] @INTADDRESS
+#endif
+
+#ifndef CONFIG_ONENAND_IPL
+ /* for UART */
+ bl uart_asm_init
+
+ /* for TZPC */
+ bl tzpc_asm_init
+#endif
+
+#ifdef CONFIG_ONENAND_IPL
+ /* init system clock */
+ bl system_clock_init
+
+ bl mem_ctrl_asm_init
+
+ /* Wakeup support. Don't know if it's going to be used, untested. */
+ ldr r0, =S5PC100_RST_STAT
+ ldr r1, [r0]
+ bic r1, r1, #0xfffffff7
+ cmp r1, #0x8
+ beq wakeup_reset
+#endif
+
+1:
+ mov lr, r9
+ mov pc, lr
+
+#ifdef CONFIG_ONENAND_IPL
+wakeup_reset:
+
+ /* Clear wakeup status register */
+ ldr r0, =S5PC100_WAKEUP_STAT
+ ldr r1, [r0]
+ str r1, [r0]
+
+ /* Load return address and jump to kernel */
+ ldr r0, =S5PC100_INFORM0
+
+ /* r1 = physical address of s5pc100_cpu_resume function */
+ ldr r1, [r0]
+
+ /* Jump to kernel (sleep.S) */
+ mov pc, r1
+ nop
+ nop
+#endif
+
+/*
+ * system_clock_init: Initialize core clock and bus clock.
+ * void system_clock_init(void)
+ */
+system_clock_init:
+ ldr r8, =S5PC1XX_CLOCK_BASE @ 0xE0100000
+
+ /* Set Clock divider */
+ ldr r1, =0x00011110
+ str r1, [r8, #0x304]
+ ldr r1, =0x1
+ str r1, [r8, #0x308]
+ ldr r1, =0x00011301
+ str r1, [r8, #0x300]
+
+ /* Set Lock Time */
+ ldr r1, =0xe10 @ Locktime : 0xe10 = 3600
+ str r1, [r8, #0x000] @ APLL_LOCK
+ str r1, [r8, #0x004] @ MPLL_LOCK
+ str r1, [r8, #0x008] @ EPLL_LOCK
+ str r1, [r8, #0x00C] @ HPLL_LOCK
+
+ /* APLL_CON */
+ ldr r1, =0x81bc0400 @ SDIV 0, PDIV 4, MDIV 444 (1332MHz)
+ str r1, [r8, #0x100]
+ /* MPLL_CON */
+ ldr r1, =0x80590201 @ SDIV 1, PDIV 2, MDIV 89 (267MHz)
+ str r1, [r8, #0x104]
+ /* EPLL_CON */
+ ldr r1, =0x80870303 @ SDIV 3, PDIV 3, MDIV 135 (67.5MHz)
+ str r1, [r8, #0x108]
+ /* HPLL_CON */
+ ldr r1, =0x80600603
+ str r1, [r8, #0x10C]
+
+ /* Set Source Clock */
+ ldr r1, =0x1111 @ A, M, E, HPLL Muxing
+ str r1, [r8, #0x200] @ CLK_SRC0
+
+ ldr r1, =0x1000001 @ Uart Clock & CLK48M Muxing
+ str r1, [r8, #0x204] @ CLK_SRC1
+
+ ldr r1, =0x9000 @ ARMCLK/4
+ str r1, [r8, #0x400] @ CLK_OUT
+
+ /* wait at least 200us to stablize all clock */
+ mov r2, #0x10000
+1: subs r2, r2, #1
+ bne 1b
+
+ mov pc, lr
+
+#ifndef CONFIG_ONENAND_IPL
+/*
+ * uart_asm_init: Initialize UART's pins
+ */
+uart_asm_init:
+ mov r0, r8
+ ldr r1, =0x22222222
+ str r1, [r0, #0x0] @ GPA0_CON
+ ldr r1, =0x00022222
+ str r1, [r0, #0x20] @ GPA1_CON
+
+ mov pc, lr
+
+/*
+ * tzpc_asm_init: Initialize TZPC
+ */
+tzpc_asm_init:
+ ldr r0, =0xE3800000
+ mov r1, #0x0
+ str r1, [r0]
+ mov r1, #0xff
+ str r1, [r0, #0x804]
+ str r1, [r0, #0x810]
+
+ ldr r0, =0xE2800000
+ str r1, [r0, #0x804]
+ str r1, [r0, #0x810]
+ str r1, [r0, #0x81C]
+
+ ldr r0, =0xE2900000
+ str r1, [r0, #0x804]
+ str r1, [r0, #0x810]
+
+ mov pc, lr
+#endif
diff --git a/board/samsung/smdkc100/mem_setup.S b/board/samsung/smdkc100/mem_setup.S
new file mode 100644
index 0000000..94a701d
--- /dev/null
+++ b/board/samsung/smdkc100/mem_setup.S
@@ -0,0 +1,197 @@
+/*
+ * Originates from Samsung's u-boot 1.1.6 port to S5PC1xx
+ *
+ * Copyright (C) 2009 Samsung Electrnoics
+ * Inki Dae <inki.dae@samsung.com>
+ * Heungjun Kim <riverful.kim@samsung.com>
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Kyungmin Park <kyungmin.park@samsung.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 <config.h>
+
+ .globl mem_ctrl_asm_init
+mem_ctrl_asm_init:
+ ldr r6, =S5PC100_DMC_BASE @ 0xE6000000
+
+ /* DLL parameter setting */
+ ldr r1, =0x50101000
+ str r1, [r6, #0x018] @ PHYCONTROL0
+ ldr r1, =0xf4
+ str r1, [r6, #0x01C] @ PHYCONTROL1
+ ldr r1, =0x0
+ str r1, [r6, #0x020] @ PHYCONTROL2
+
+ /* DLL on */
+ ldr r1, =0x50101002
+ str r1, [r6, #0x018] @ PHYCONTROL0
+
+ /* DLL start */
+ ldr r1, =0x50101003
+ str r1, [r6, #0x018] @ PHYCONTROL0
+
+ /* Force value locking for DLL off */
+ str r1, [r6, #0x018] @ PHYCONTROL0
+
+ /* DLL off */
+ ldr r1, =0x50101001
+ str r1, [r6, #0x018] @ PHYCONTROL0
+
+ /* auto refresh off */
+ ldr r1, =0xff001010
+ str r1, [r6, #0x000] @ CONCONTROL
+
+ /*
+ * Burst Length 4, 2 chips, 32-bit, LPDDR
+ * OFF: dynamic self refresh, force precharge, dynamic power down off
+ */
+ ldr r1, =0x00212100
+ str r1, [r6, #0x004] @ MEMCONTROL
+
+ /*
+ * Note:
+ * If Bank0 has OneDRAM we place it at 0x2800'0000
+ * So finally Bank1 should address start at at 0x2000'0000
+ */
+ mov r4, #0x0
+
+swap_memory:
+ /*
+ * Bank0
+ * 0x30 -> 0x30000000
+ * 0xf8 -> 0x37FFFFFF
+ * [15:12] 0: Linear
+ * [11:8 ] 2: 9 bits
+ * [ 7:4 ] 2: 14 bits
+ * [ 3:0 ] 2: 4 banks
+ */
+ ldr r1, =0x30f80222
+ /* if r4 is 1, swap the bank */
+ cmp r4, #0x1
+ orreq r1, r1, #0x08000000
+ str r1, [r6, #0x008] @ MEMCONFIG0
+
+ /*
+ * Bank1
+ * 0x38 -> 0x38000000
+ * 0xf8 -> 0x3fFFFFFF
+ * [15:12] 0: Linear
+ * [11:8 ] 2: 9 bits
+ * [ 7:4 ] 2: 14 bits
+ * [ 3:0 ] 2: 4 banks
+ */
+ ldr r1, =0x38f80222
+ /* if r4 is 1, swap the bank */
+ cmp r4, #0x1
+ biceq r1, r1, #0x08000000
+ str r1, [r6, #0x00c] @ MEMCONFIG1
+
+ ldr r1, =0x20000000
+ str r1, [r6, #0x014] @ PRECHCONFIG
+
+ /*
+ * FIXME: Please verify these values
+ * 7.8us * 166MHz %LE %LONG1294(0x50E)
+ * 7.8us * 133MHz %LE %LONG1038(0x40E),
+ * 7.8us * 100MHz %LE %LONG780(0x30C),
+ * 7.8us * 20MHz %LE %LONG156(0x9C),
+ * 7.8us * 10MHz %LE %LONG78(0x4E)
+ */
+ ldr r1, =0x0000050e
+ str r1, [r6, #0x030] @ TIMINGAREF
+
+ /* 166 MHz */
+ ldr r1, =0x0c233287
+ str r1, [r6, #0x034] @ TIMINGROW
+
+ /* twtr=3 twr=2 trtp=3 cl=3 wl=3 rl=3 */
+ ldr r1, =0x32330303
+ str r1, [r6, #0x038] @ TIMINGDATA
+
+ /* tfaw=4 sxsr=0x14 txp=0x14 tcke=3 tmrd=3 */
+ ldr r1, =0x04141433
+ str r1, [r6, #0x03C] @ TIMINGPOWER
+
+ /* chip0 Deselect */
+ ldr r1, =0x07000000
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* chip0 PALL */
+ ldr r1, =0x01000000
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* chip0 REFA */
+ ldr r1, =0x05000000
+ str r1, [r6, #0x010] @ DIRECTCMD
+ /* chip0 REFA */
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* chip0 MRS, CL%LE %LONG3, BL%LE %LONG4 */
+ ldr r1, =0x00000032
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* chip1 Deselect */
+ ldr r1, =0x07100000
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* chip1 PALL */
+ ldr r1, =0x01100000
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* chip1 REFA */
+ ldr r1, =0x05100000
+ str r1, [r6, #0x010] @ DIRECTCMD
+ /* chip1 REFA */
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* chip1 MRS, CL%LE %LONG3, BL%LE %LONG4 */
+ ldr r1, =0x00100032
+ str r1, [r6, #0x010] @ DIRECTCMD
+
+ /* auto refresh on */
+ ldr r1, =0xff002030
+ str r1, [r6, #0x000] @ CONCONTROL
+
+ /* PwrdnConfig */
+ ldr r1, =0x00100002
+ str r1, [r6, #0x028] @ PWRDNCONFIG
+
+ /* BL%LE %LONG */
+ ldr r1, =0xff212100
+ str r1, [r6, #0x004] @ MEMCONTROL
+
+
+ /* Try to test memory area */
+ cmp r4, #0x1
+ beq 1f
+
+ mov r4, #0x1
+ ldr r1, =0x37ffff00
+ str r4, [r1]
+ str r4, [r1, #0x4] @ dummy write
+ ldr r0, [r1]
+ cmp r0, r4
+ bne swap_memory
+
+1:
+ mov pc, lr
+
+ .ltorg
diff --git a/board/samsung/smdkc100/onenand.c b/board/samsung/smdkc100/onenand.c
new file mode 100644
index 0000000..c25869e
--- /dev/null
+++ b/board/samsung/smdkc100/onenand.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2008-2009 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.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 <common.h>
+#include <linux/mtd/compat.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+#include <linux/mtd/samsung_onenand.h>
+
+#include <onenand_uboot.h>
+
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+
+void onenand_board_init(struct mtd_info *mtd)
+{
+ struct onenand_chip *this = mtd->priv;
+ struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ struct samsung_onenand *onenand;
+ int value;
+
+ this->base = (void *)S5PC100_ONENAND_BASE;
+ onenand = (struct samsung_onenand *)this->base;
+
+ /* D0 Domain memory clock gating */
+ value = readl(&clk->gate_d01);
+ value &= ~(1 << 2); /* CLK_ONENANDC */
+ value |= (1 << 2);
+ writel(value, &clk->gate_d01);
+
+ value = readl(&clk->src0);
+ value &= ~(1 << 24); /* MUX_1nand: 0 from HCLKD0 */
+ value &= ~(1 << 20); /* MUX_HREF: 0 from FIN_27M */
+ writel(value, &clk->src0);
+
+ value = readl(&clk->div1);
+ value &= ~(3 << 16); /* PCLKD1_RATIO */
+ value |= (1 << 16);
+ writel(value, &clk->div1);
+
+ writel(ONENAND_MEM_RESET_COLD, &onenand->mem_reset);
+
+ while (!(readl(&onenand->int_err_stat) & RST_CMP))
+ continue;
+
+ writel(RST_CMP, &onenand->int_err_ack);
+
+ /*
+ * Access_Clock [2:0]
+ * 166 MHz, 134 Mhz : 3
+ * 100 Mhz, 60 Mhz : 2
+ */
+ writel(0x3, &onenand->acc_clock);
+
+ writel(INT_ERR_ALL, &onenand->int_err_mask);
+ writel(1 << 0, &onenand->int_pin_en); /* Enable */
+
+ value = readl(&onenand->int_err_mask);
+ value &= ~RDY_ACT;
+ writel(value, &onenand->int_err_mask);
+
+ s3c_onenand_init(mtd);
+}
diff --git a/board/samsung/smdkc100/smdkc100.c b/board/samsung/smdkc100/smdkc100.c
new file mode 100644
index 0000000..15a1a27
--- /dev/null
+++ b/board/samsung/smdkc100/smdkc100.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2008-2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Kyungmin Park <kyungmin.park@samsung.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 <common.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
+ PHYS_SDRAM_1_SIZE);
+
+ return 0;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+ printf("Board:\tSMDKC100\n");
+ return 0;
+}
+#endif
generated by cgit v1.1 at 2024-11-22 00:12:30 +0000