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-rw-r--r--arch/arm/cpu/armv7/omap-common/spl_nand.c2
-rw-r--r--arch/blackfin/include/asm/config.h8
-rw-r--r--arch/blackfin/include/asm/global_data.h2
-rw-r--r--arch/blackfin/lib/board.c58
-rw-r--r--arch/nds32/cpu/n1213/ag102/Makefile58
-rw-r--r--arch/nds32/cpu/n1213/ag102/asm-offsets.c54
-rw-r--r--arch/nds32/cpu/n1213/ag102/cpu.c195
-rw-r--r--arch/nds32/cpu/n1213/ag102/lowlevel_init.S297
-rw-r--r--arch/nds32/cpu/n1213/ag102/timer.c205
-rw-r--r--arch/nds32/cpu/n1213/ag102/watchdog.S49
-rw-r--r--arch/nds32/include/asm/arch-ag102/ag102.h97
-rw-r--r--arch/nds32/include/asm/mach-types.h14
12 files changed, 1014 insertions, 25 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/spl_nand.c b/arch/arm/cpu/armv7/omap-common/spl_nand.c
index 1295e88..8cf55c9 100644
--- a/arch/arm/cpu/armv7/omap-common/spl_nand.c
+++ b/arch/arm/cpu/armv7/omap-common/spl_nand.c
@@ -54,7 +54,7 @@ void spl_nand_load_image(void)
* load parameter image
* load to temp position since nand_spl_load_image reads
* a whole block which is typically larger than
- * CONFIG_CMD_SAVEBP_WRITE_SIZE therefore may overwrite
+ * CONFIG_CMD_SPL_WRITE_SIZE therefore may overwrite
* following sections like BSS
*/
nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS,
diff --git a/arch/blackfin/include/asm/config.h b/arch/blackfin/include/asm/config.h
index 1a8de49..25cd833 100644
--- a/arch/blackfin/include/asm/config.h
+++ b/arch/blackfin/include/asm/config.h
@@ -109,14 +109,8 @@
#ifndef CONFIG_SYS_MALLOC_BASE
# define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN)
#endif
-#ifndef CONFIG_SYS_GBL_DATA_ADDR
-# define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - GENERATED_GBL_DATA_SIZE)
-#endif
-#ifndef CONFIG_SYS_BD_INFO_ADDR
-# define CONFIG_SYS_BD_INFO_ADDR (CONFIG_SYS_GBL_DATA_ADDR - GENERATED_BD_INFO_SIZE)
-#endif
#ifndef CONFIG_STACKBASE
-# define CONFIG_STACKBASE (CONFIG_SYS_BD_INFO_ADDR - 4)
+# define CONFIG_STACKBASE (CONFIG_SYS_MALLOC_BASE - 4)
#endif
#ifndef CONFIG_SYS_MEMTEST_START
# define CONFIG_SYS_MEMTEST_START 0
diff --git a/arch/blackfin/include/asm/global_data.h b/arch/blackfin/include/asm/global_data.h
index 67aa30f..973ea29 100644
--- a/arch/blackfin/include/asm/global_data.h
+++ b/arch/blackfin/include/asm/global_data.h
@@ -73,6 +73,6 @@ typedef struct global_data {
#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
-#define DECLARE_GLOBAL_DATA_PTR register gd_t * volatile gd asm ("P3")
+#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("P3")
#endif
diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
index e3ee4cd..2d424a2 100644
--- a/arch/blackfin/lib/board.c
+++ b/arch/blackfin/lib/board.c
@@ -181,6 +181,46 @@ void init_cplbtables(void)
}
}
+static int global_board_data_init(void)
+{
+#ifndef CONFIG_SYS_GBL_DATA_ADDR
+# define CONFIG_SYS_GBL_DATA_ADDR 0
+#endif
+#ifndef CONFIG_SYS_BD_INFO_ADDR
+# define CONFIG_SYS_BD_INFO_ADDR 0
+#endif
+
+ bd_t *bd;
+
+ if (CONFIG_SYS_GBL_DATA_ADDR) {
+ gd = (gd_t *) (CONFIG_SYS_GBL_DATA_ADDR);
+ memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
+ } else {
+ static gd_t _bfin_gd;
+ gd = &_bfin_gd;
+ }
+
+ if (CONFIG_SYS_BD_INFO_ADDR) {
+ bd = (bd_t *) (CONFIG_SYS_BD_INFO_ADDR);
+ memset(bd, 0, GENERATED_BD_INFO_SIZE);
+ } else {
+ static bd_t _bfin_bd;
+ bd = &_bfin_bd;
+ }
+ gd->bd = bd;
+
+ bd->bi_r_version = version_string;
+ bd->bi_cpu = MK_STR(CONFIG_BFIN_CPU);
+ bd->bi_board_name = BFIN_BOARD_NAME;
+ bd->bi_vco = get_vco();
+ bd->bi_cclk = get_cclk();
+ bd->bi_sclk = get_sclk();
+ bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+ bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+
+ return 0;
+}
+
/*
* All attempts to come up with a "common" initialization sequence
* that works for all boards and architectures failed: some of the
@@ -201,7 +241,6 @@ extern int timer_init(void);
void board_init_f(ulong bootflag)
{
- bd_t *bd;
char buf[32];
#ifdef CONFIG_BOARD_EARLY_INIT_F
@@ -234,21 +273,8 @@ void board_init_f(ulong bootflag)
hang();
#endif
serial_early_puts("Init global data\n");
- gd = (gd_t *) (CONFIG_SYS_GBL_DATA_ADDR);
- memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
-
- bd = (bd_t *) (CONFIG_SYS_BD_INFO_ADDR);
- gd->bd = bd;
- memset((void *)bd, 0, GENERATED_BD_INFO_SIZE);
- bd->bi_r_version = version_string;
- bd->bi_cpu = MK_STR(CONFIG_BFIN_CPU);
- bd->bi_board_name = BFIN_BOARD_NAME;
- bd->bi_vco = get_vco();
- bd->bi_cclk = get_cclk();
- bd->bi_sclk = get_sclk();
- bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
- bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+ global_board_data_init();
/* Initialize */
serial_early_puts("IRQ init\n");
@@ -276,7 +302,7 @@ void board_init_f(ulong bootflag)
if (CONFIG_MEM_SIZE) {
printf("RAM: ");
- print_size(bd->bi_memsize, "\n");
+ print_size(gd->bd->bi_memsize, "\n");
}
#if defined(CONFIG_POST)
diff --git a/arch/nds32/cpu/n1213/ag102/Makefile b/arch/nds32/cpu/n1213/ag102/Makefile
new file mode 100644
index 0000000..8716c4e
--- /dev/null
+++ b/arch/nds32/cpu/n1213/ag102/Makefile
@@ -0,0 +1,58 @@
+#
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+# Copyright (C) 2011 Andes Technology Corporation
+# Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
+# Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+COBJS-y := cpu.o timer.o
+
+ifndef CONFIG_SKIP_LOWLEVEL_INIT
+SOBJS := lowlevel_init.o
+endif
+
+ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG
+SOBJS += watchdog.o
+endif
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/nds32/cpu/n1213/ag102/asm-offsets.c b/arch/nds32/cpu/n1213/ag102/asm-offsets.c
new file mode 100644
index 0000000..4769a95
--- /dev/null
+++ b/arch/nds32/cpu/n1213/ag102/asm-offsets.c
@@ -0,0 +1,54 @@
+/*
+ * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
+ *
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed to extract
+ * and format the required data.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <common.h>
+
+#include <linux/kbuild.h>
+
+int main(void)
+{
+#ifdef CONFIG_FTSMC020
+ OFFSET(FTSMC020_BANK0_CR, ftsmc020, bank[0].cr);
+ OFFSET(FTSMC020_BANK0_TPR, ftsmc020, bank[0].tpr);
+#endif
+ BLANK();
+#ifdef CONFIG_FTAHBC020S
+ OFFSET(FTAHBC020S_SLAVE_BSR_6, ftahbc02s, s_bsr[6]);
+ OFFSET(FTAHBC020S_CR, ftahbc02s, cr);
+#endif
+ BLANK();
+#ifdef CONFIG_ANDES_PCU
+ OFFSET(ANDES_PCU_PCS4, andes_pcu, pcs4.parm); /* 0x104 */
+#endif
+ BLANK();
+#ifdef CONFIG_DWCDDR21MCTL
+ OFFSET(DWCDDR21MCTL_CCR, dwcddr21mctl, ccr); /* 0x04 */
+ OFFSET(DWCDDR21MCTL_DCR, dwcddr21mctl, dcr); /* 0x04 */
+ OFFSET(DWCDDR21MCTL_IOCR, dwcddr21mctl, iocr); /* 0x08 */
+ OFFSET(DWCDDR21MCTL_CSR, dwcddr21mctl, csr); /* 0x0c */
+ OFFSET(DWCDDR21MCTL_DRR, dwcddr21mctl, drr); /* 0x10 */
+ OFFSET(DWCDDR21MCTL_DLLCR0, dwcddr21mctl, dllcr[0]); /* 0x24 */
+ OFFSET(DWCDDR21MCTL_DLLCR1, dwcddr21mctl, dllcr[1]); /* 0x28 */
+ OFFSET(DWCDDR21MCTL_DLLCR2, dwcddr21mctl, dllcr[2]); /* 0x2c */
+ OFFSET(DWCDDR21MCTL_DLLCR3, dwcddr21mctl, dllcr[3]); /* 0x30 */
+ OFFSET(DWCDDR21MCTL_DLLCR4, dwcddr21mctl, dllcr[4]); /* 0x34 */
+ OFFSET(DWCDDR21MCTL_DLLCR5, dwcddr21mctl, dllcr[5]); /* 0x38 */
+ OFFSET(DWCDDR21MCTL_DLLCR6, dwcddr21mctl, dllcr[6]); /* 0x3c */
+ OFFSET(DWCDDR21MCTL_DLLCR7, dwcddr21mctl, dllcr[7]); /* 0x40 */
+ OFFSET(DWCDDR21MCTL_DLLCR8, dwcddr21mctl, dllcr[8]); /* 0x44 */
+ OFFSET(DWCDDR21MCTL_DLLCR9, dwcddr21mctl, dllcr[9]); /* 0x48 */
+ OFFSET(DWCDDR21MCTL_RSLR0, dwcddr21mctl, rslr[0]); /* 0x4c */
+ OFFSET(DWCDDR21MCTL_RDGR0, dwcddr21mctl, rdgr[0]); /* 0x5c */
+ OFFSET(DWCDDR21MCTL_DTAR, dwcddr21mctl, dtar); /* 0xa4 */
+ OFFSET(DWCDDR21MCTL_MR, dwcddr21mctl, mr); /* 0x1f0 */
+#endif
+ return 0;
+}
diff --git a/arch/nds32/cpu/n1213/ag102/cpu.c b/arch/nds32/cpu/n1213/ag102/cpu.c
new file mode 100644
index 0000000..ed88b52
--- /dev/null
+++ b/arch/nds32/cpu/n1213/ag102/cpu.c
@@ -0,0 +1,195 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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
+ */
+
+/* CPU specific code */
+#include <common.h>
+#include <command.h>
+#include <watchdog.h>
+#include <asm/cache.h>
+
+#include <faraday/ftwdt010_wdt.h>
+
+/*
+ * cleanup_before_linux() is called just before we call linux
+ * it prepares the processor for linux
+ *
+ * we disable interrupt and caches.
+ */
+int cleanup_before_linux(void)
+{
+ disable_interrupts();
+
+#ifdef CONFIG_MMU
+ /* turn off I/D-cache */
+ icache_disable();
+ dcache_disable();
+
+ /* flush I/D-cache */
+ invalidate_icac();
+ invalidate_dcac();
+#endif
+
+ return 0;
+}
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ disable_interrupts();
+
+ /*
+ * reset to the base addr of andesboot.
+ * currently no ROM loader at addr 0.
+ * do not use reset_cpu(0);
+ */
+#ifdef CONFIG_FTWDT010_WATCHDOG
+ /*
+ * workaround: if we use CONFIG_HW_WATCHDOG with ftwdt010, will lead
+ * automatic hardware reset when booting Linux.
+ * Please do not use CONFIG_HW_WATCHDOG and WATCHDOG_RESET() here.
+ */
+ ftwdt010_wdt_reset();
+#endif /* CONFIG_FTWDT010_WATCHDOG */
+ hang();
+
+ /*NOTREACHED*/
+}
+
+static inline unsigned long CACHE_LINE_SIZE(enum cache_t cache)
+{
+ if (cache == ICACHE)
+ return 8 << (((GET_ICM_CFG() & ICM_CFG_MSK_ISZ) \
+ >> ICM_CFG_OFF_ISZ) - 1);
+ else
+ return 8 << (((GET_DCM_CFG() & DCM_CFG_MSK_DSZ) \
+ >> DCM_CFG_OFF_DSZ) - 1);
+}
+
+void dcache_flush_range(unsigned long start, unsigned long end)
+{
+ unsigned long line_size;
+
+ line_size = CACHE_LINE_SIZE(DCACHE);
+
+ while (end > start) {
+ __asm__ volatile ("\n\tcctl %0, L1D_VA_WB" : : "r"(start));
+ __asm__ volatile ("\n\tcctl %0, L1D_VA_INVAL" : : "r"(start));
+ start += line_size;
+ }
+}
+
+void icache_inval_range(unsigned long start, unsigned long end)
+{
+ unsigned long line_size;
+
+ line_size = CACHE_LINE_SIZE(ICACHE);
+ while (end > start) {
+ __asm__ volatile ("\n\tcctl %0, L1I_VA_INVAL" : : "r"(start));
+ start += line_size;
+ }
+}
+
+void flush_cache(unsigned long addr, unsigned long size)
+{
+ dcache_flush_range(addr, addr + size);
+ icache_inval_range(addr, addr + size);
+}
+
+void icache_enable(void)
+{
+ __asm__ __volatile__ (
+ "mfsr $p0, $mr8\n\t"
+ "ori $p0, $p0, 0x01\n\t"
+ "mtsr $p0, $mr8\n\t"
+ "isb\n\t"
+ );
+}
+
+void icache_disable(void)
+{
+ __asm__ __volatile__ (
+ "mfsr $p0, $mr8\n\t"
+ "li $p1, ~0x01\n\t"
+ "and $p0, $p0, $p1\n\t"
+ "mtsr $p0, $mr8\n\t"
+ "isb\n\t"
+ );
+}
+
+int icache_status(void)
+{
+ int ret;
+
+ __asm__ __volatile__ (
+ "mfsr $p0, $mr8\n\t"
+ "andi %0, $p0, 0x01\n\t"
+ : "=r" (ret)
+ :
+ : "memory"
+ );
+
+ return ret;
+}
+
+void dcache_enable(void)
+{
+ __asm__ __volatile__ (
+ "mfsr $p0, $mr8\n\t"
+ "ori $p0, $p0, 0x02\n\t"
+ "mtsr $p0, $mr8\n\t"
+ "isb\n\t"
+ );
+}
+
+void dcache_disable(void)
+{
+ __asm__ __volatile__ (
+ "mfsr $p0, $mr8\n\t"
+ "li $p1, ~0x02\n\t"
+ "and $p0, $p0, $p1\n\t"
+ "mtsr $p0, $mr8\n\t"
+ "isb\n\t"
+ );
+}
+
+int dcache_status(void)
+{
+ int ret;
+
+ __asm__ __volatile__ (
+ "mfsr $p0, $mr8\n\t"
+ "andi %0, $p0, 0x02\n\t"
+ : "=r" (ret)
+ :
+ : "memory"
+ );
+
+ return ret;
+}
diff --git a/arch/nds32/cpu/n1213/ag102/lowlevel_init.S b/arch/nds32/cpu/n1213/ag102/lowlevel_init.S
new file mode 100644
index 0000000..d842afa
--- /dev/null
+++ b/arch/nds32/cpu/n1213/ag102/lowlevel_init.S
@@ -0,0 +1,297 @@
+/*
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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
+ */
+
+.text
+
+#include <common.h>
+#include <config.h>
+
+#include <asm/macro.h>
+#include <generated/asm-offsets.h>
+
+/*
+ * parameters for Synopsys DWC DDR2/DDR1 Memory Controller
+ */
+#define DDR2C_BASE_A (CONFIG_DWCDDR21MCTL_BASE)
+#define DDR2C_CCR_A (DDR2C_BASE_A + DWCDDR21MCTL_CCR)
+#define DDR2C_DCR_A (DDR2C_BASE_A + DWCDDR21MCTL_DCR)
+#define DDR2C_IOCR_A (DDR2C_BASE_A + DWCDDR21MCTL_IOCR)
+#define DDR2C_CSR_A (DDR2C_BASE_A + DWCDDR21MCTL_CSR)
+#define DDR2C_DRR_A (DDR2C_BASE_A + DWCDDR21MCTL_DRR)
+#define DDR2C_DLLCR0_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR0)
+#define DDR2C_DLLCR1_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR1)
+#define DDR2C_DLLCR2_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR2)
+#define DDR2C_DLLCR3_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR3)
+#define DDR2C_DLLCR4_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR4)
+#define DDR2C_DLLCR5_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR5)
+#define DDR2C_DLLCR6_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR6)
+#define DDR2C_DLLCR7_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR7)
+#define DDR2C_DLLCR8_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR8)
+#define DDR2C_DLLCR9_A (DDR2C_BASE_A + DWCDDR21MCTL_DLLCR9)
+#define DDR2C_RSLR0_A (DDR2C_BASE_A + DWCDDR21MCTL_RSLR0)
+#define DDR2C_RDGR0_A (DDR2C_BASE_A + DWCDDR21MCTL_RDGR0)
+#define DDR2C_DTAR_A (DDR2C_BASE_A + DWCDDR21MCTL_DTAR)
+#define DDR2C_MR_A (DDR2C_BASE_A + DWCDDR21MCTL_MR)
+
+#define DDR2C_CCR_D CONFIG_SYS_DWCDDR21MCTL_CCR
+#define DDR2C_CCR_D2 CONFIG_SYS_DWCDDR21MCTL_CCR2
+#define DDR2C_DCR_D CONFIG_SYS_DWCDDR21MCTL_DCR
+#define DDR2C_IOCR_D CONFIG_SYS_DWCDDR21MCTL_IOCR
+#define DDR2C_CSR_D CONFIG_SYS_DWCDDR21MCTL_CSR
+#define DDR2C_DRR_D CONFIG_SYS_DWCDDR21MCTL_DRR
+#define DDR2C_RSLR0_D CONFIG_SYS_DWCDDR21MCTL_RSLR0
+#define DDR2C_RDGR0_D CONFIG_SYS_DWCDDR21MCTL_RDGR0
+#define DDR2C_DTAR_D CONFIG_SYS_DWCDDR21MCTL_DTAR
+#define DDR2C_MR_D CONFIG_SYS_DWCDDR21MCTL_MR
+
+#define DDR2C_DLLCR0_D CONFIG_SYS_DWCDDR21MCTL_DLLCR0 /* 0-9 are same */
+
+/*
+ * parameters for the ahbc controller
+ */
+#define AHBC_CR_A (CONFIG_FTAHBC020S_BASE + FTAHBC020S_CR)
+#define AHBC_BSR6_A (CONFIG_FTAHBC020S_BASE + FTAHBC020S_SLAVE_BSR_6)
+
+#define AHBC_BSR6_D CONFIG_SYS_FTAHBC020S_SLAVE_BSR_6
+
+/*
+ * parameters for the ANDES PCU controller
+ */
+#define PCU_PCS4_A (CONFIG_ANDES_PCU_BASE + ANDES_PCU_PCS4)
+#define PCU_PCS4_D CONFIG_SYS_ANDES_CPU_PCS4
+
+/*
+ * numeric 7 segment display
+ */
+.macro led, num
+ write32 CONFIG_DEBUG_LED, \num
+.endm
+
+/*
+ * Waiting for SDRAM to set up
+ */
+/*
+.macro wait_sdram
+ li $r0, DDR2C_CSR_A
+1:
+ lwi $r1, [$r0+FTSDMC021_CR2]
+ bnez $r1, 1b
+.endm
+*/
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+.globl lowlevel_init
+lowlevel_init:
+ move $r10, $lp
+
+ /* U200 */
+! led 0x00
+! jal scale_to_500mhz
+
+ led 0x10
+ jal mem_init
+
+ led 0x20
+ jal remap
+
+ led 0x30
+ ret $r10
+
+scale_to_500mhz:
+ move $r11, $lp
+
+ /*
+ * scale to 500Mhz
+ */
+ led 0x01
+ write32 PCU_PCS4_A, 0x1102000f ! save data to PCS4
+
+ move $lp, $r11
+ ret
+
+mem_init:
+ move $r11, $lp
+
+ /*
+ * config AHB Controller
+ */
+ led 0x12
+ write32 AHBC_BSR6_A, AHBC_BSR6_D
+
+ /*
+ * config Synopsys DWC DDR2/DDR1 Memory Controller
+ */
+ddr2c_init:
+set_dcr:
+ led 0x14
+ write32 DDR2C_DCR_A, DDR2C_DCR_D ! 0x000020d4
+
+auto_sizing:
+ /*
+ * ebios: $r10->$r7, $r11->$r8, $r12->$r9, $r13->$r12, $r14->$r13
+ */
+set_iocr:
+ led 0x19
+ write32 DDR2C_IOCR_A, DDR2C_IOCR_D
+set_drr:
+ led 0x16
+ write32 DDR2C_DRR_A, DDR2C_DRR_D ! 0x00034812
+set_dllcr:
+ led 0x18
+ write32 DDR2C_DLLCR0_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR1_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR2_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR3_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR4_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR5_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR6_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR7_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR8_A, DDR2C_DLLCR0_D
+ write32 DDR2C_DLLCR9_A, DDR2C_DLLCR0_D
+set_rslr0:
+ write32 DDR2C_RSLR0_A, DDR2C_RSLR0_D ! 0x00000040
+set_rdgr0:
+ write32 DDR2C_RDGR0_A, DDR2C_RDGR0_D ! 0x000055cf
+set_dtar:
+ led 0x15
+ write32 DDR2C_DTAR_A, DDR2C_DTAR_D ! 0x00100000
+set_mode:
+ led 0x17
+ write32 DDR2C_MR_A, DDR2C_MR_D ! 0x00000852
+set_ccr:
+ write32 DDR2C_CCR_A, DDR2C_CCR_D
+
+#ifdef TRIGGER_INIT:
+trigger_init:
+ write32 DDR2C_CCR_A, DDR2C_CCR_D ! 0x80020000
+
+ /* Wait for ddr init state to be set */
+ msync ALL
+ isb
+
+ /* Wait until the config initialization is finish */
+1:
+ la $r4, DDR2C_CSR_A
+ lwi $r5, [$r4]
+ srli $r5, $r5, 23
+ bnez $r5, 1b
+#endif
+
+data_training:
+! write32 DDR2C_CCR_A, DDR2C_CCR_D2 ! 0x40020004
+
+ /* Wait for ddr init state to be set */
+ msync ALL
+ isb
+
+ /* wait until the ddr data trainning is complete */
+1:
+ la $r4, DDR2C_CSR_A
+ lwi $r5, [$r4]
+ srli $r6, $r5, 23
+ bnez $r6, 1b
+
+ lwi $r1, [$r4]
+ srli $r6, $r5, 20
+ li $r5, 0x00ffffff
+ swi $r1, [$r4]
+ bnez $r6, ddr2c_init
+
+ led 0x1a
+ move $lp, $r11
+ ret
+
+remap:
+ move $r11, $lp
+#ifdef __NDS32_N1213_43U1H__ /* NDS32 V0 ISA - AG101 Only */
+ bal 2f
+relo_base:
+ move $r0, $lp
+#else
+relo_base:
+ mfusr $r0, $pc
+#endif /* __NDS32_N1213_43U1H__ */
+
+ /*
+ * Remapping
+ */
+#ifdef CONFIG_MEM_REMAP
+ /*
+ * Copy ROM code to SDRAM base for memory remap layout.
+ * This is not the real relocation, the real relocation is the function
+ * relocate_code() is start.S which supports the systems is memory
+ * remapped or not.
+ */
+ /*
+ * Doing memory remap is essential for preparing some non-OS or RTOS
+ * applications.
+ *
+ * This is also a must on ADP-AG101 board.
+ * The reason is because the ROM/FLASH circuit on PCB board.
+ * AG101-A0 board has 2 jumpers MA17 and SW5 to configure which
+ * ROM/FLASH is used to boot.
+ *
+ * When SW5 = "0101", MA17 = LO, the ROM is connected to BANK0,
+ * and the FLASH is connected to BANK1.
+ * When SW5 = "1010", MA17 = HI, the ROM is disabled (still at BANK0),
+ * and the FLASH is connected to BANK0.
+ * It will occur problem when doing flash probing if the flash is at
+ * BANK0 (0x00000000) while memory remapping was skipped.
+ *
+ * Other board like ADP-AG101P may not enable this since there is only
+ * a FLASH connected to bank0.
+ */
+ led 0x21
+ li $r4, PHYS_SDRAM_0_AT_INIT /* 0x10000000 */
+ li $r5, 0x0
+ la $r1, relo_base /* get $pc or $lp */
+ sub $r2, $r0, $r1
+ sethi $r6, hi20(_end)
+ ori $r6, $r6, lo12(_end)
+ add $r6, $r6, $r2
+1:
+ lwi.p $r7, [$r5], #4
+ swi.p $r7, [$r4], #4
+ blt $r5, $r6, 1b
+
+ /* set remap bit */
+ /*
+ * MEM remap bit is operational
+ * - use it to map writeable memory at 0x00000000, in place of flash
+ * - before remap: flash/rom 0x00000000, sdram: 0x10000000-0x4fffffff
+ * - after remap: flash/rom 0x80000000, sdram: 0x00000000
+ */
+ led 0x2c
+ setbf15 AHBC_CR_A, FTAHBC020S_CR_REMAP ! 0x1
+
+#endif /* #ifdef CONFIG_MEM_REMAP */
+ move $lp, $r11
+2:
+ ret
+
+.globl show_led
+show_led:
+ li $r8, (CONFIG_DEBUG_LED)
+ swi $r7, [$r8]
+ ret
+#endif /* #ifndef CONFIG_SKIP_LOWLEVEL_INIT */
diff --git a/arch/nds32/cpu/n1213/ag102/timer.c b/arch/nds32/cpu/n1213/ag102/timer.c
new file mode 100644
index 0000000..caa36b8
--- /dev/null
+++ b/arch/nds32/cpu/n1213/ag102/timer.c
@@ -0,0 +1,205 @@
+/*
+ * (C) Copyright 2009 Faraday Technology
+ * Po-Yu Chuang <ratbert@faraday-tech.com>
+ *
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <faraday/fttmr010.h>
+
+static ulong timestamp;
+static ulong lastdec;
+
+int timer_init(void)
+{
+ struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
+ unsigned int cr;
+
+ debug("%s()\n", __func__);
+
+ /* disable timers */
+ writel(0, &tmr->cr);
+
+#ifdef CONFIG_FTTMR010_EXT_CLK
+ /* use 32768Hz oscillator for RTC, WDT, TIMER */
+ ftpmu010_32768osc_enable();
+#endif
+
+ /* setup timer */
+ writel(TIMER_LOAD_VAL, &tmr->timer3_load);
+ writel(TIMER_LOAD_VAL, &tmr->timer3_counter);
+ writel(0, &tmr->timer3_match1);
+ writel(0, &tmr->timer3_match2);
+
+ /* we don't want timer to issue interrupts */
+ writel(FTTMR010_TM3_MATCH1 |
+ FTTMR010_TM3_MATCH2 |
+ FTTMR010_TM3_OVERFLOW,
+ &tmr->interrupt_mask);
+
+ cr = readl(&tmr->cr);
+#ifdef CONFIG_FTTMR010_EXT_CLK
+ cr |= FTTMR010_TM3_CLOCK; /* use external clock */
+#endif
+ cr |= FTTMR010_TM3_ENABLE;
+ writel(cr, &tmr->cr);
+
+ /* init the timestamp and lastdec value */
+ reset_timer_masked();
+
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+
+/*
+ * reset time
+ */
+void reset_timer_masked(void)
+{
+ struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
+
+ /* capure current decrementer value time */
+#ifdef CONFIG_FTTMR010_EXT_CLK
+ lastdec = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+#else
+ lastdec = readl(&tmr->timer3_counter) / (CONFIG_SYS_CLK_FREQ / 2);
+#endif
+ timestamp = 0; /* start "advancing" time stamp from 0 */
+
+ debug("%s(): lastdec = %lx\n", __func__, lastdec);
+}
+
+void reset_timer(void)
+{
+ debug("%s()\n", __func__);
+ reset_timer_masked();
+}
+
+/*
+ * return timer ticks
+ */
+ulong get_timer_masked(void)
+{
+ struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
+
+ /* current tick value */
+#ifdef CONFIG_FTTMR010_EXT_CLK
+ ulong now = readl(&tmr->timer3_counter) / (TIMER_CLOCK / CONFIG_SYS_HZ);
+#else
+ ulong now = readl(&tmr->timer3_counter) / \
+ (CONFIG_SYS_CLK_FREQ / 2 / 1024);
+#endif
+
+ debug("%s(): now = %lx, lastdec = %lx\n", __func__, now, lastdec);
+
+ if (lastdec >= now) {
+ /*
+ * normal mode (non roll)
+ * move stamp fordward with absoulte diff ticks
+ */
+ timestamp += lastdec - now;
+ } else {
+ /*
+ * we have overflow of the count down timer
+ *
+ * nts = ts + ld + (TLV - now)
+ * ts=old stamp, ld=time that passed before passing through -1
+ * (TLV-now) amount of time after passing though -1
+ * nts = new "advancing time stamp"...it could also roll and
+ * cause problems.
+ */
+ timestamp += lastdec + TIMER_LOAD_VAL - now;
+ }
+
+ lastdec = now;
+
+ debug("%s() returns %lx\n", __func__, timestamp);
+
+ return timestamp;
+}
+
+/*
+ * return difference between timer ticks and base
+ */
+ulong get_timer(ulong base)
+{
+ debug("%s(%lx)\n", __func__, base);
+ return get_timer_masked() - base;
+}
+
+void set_timer(ulong t)
+{
+ debug("%s(%lx)\n", __func__, t);
+ timestamp = t;
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay(unsigned long usec)
+{
+ struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
+
+#ifdef CONFIG_FTTMR010_EXT_CLK
+ long tmo = usec * (TIMER_CLOCK / 1000) / 1000;
+#else
+ long tmo = usec * ((CONFIG_SYS_CLK_FREQ / 2) / 1000) / 1000;
+#endif
+ unsigned long now, last = readl(&tmr->timer3_counter);
+
+ debug("%s(%lu)\n", __func__, usec);
+ while (tmo > 0) {
+ now = readl(&tmr->timer3_counter);
+ if (now > last) /* count down timer overflow */
+ tmo -= TIMER_LOAD_VAL + last - now;
+ else
+ tmo -= last - now;
+ last = now;
+ }
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ debug("%s()\n", __func__);
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ debug("%s()\n", __func__);
+#ifdef CONFIG_FTTMR010_EXT_CLK
+ return CONFIG_SYS_HZ;
+#else
+ return CONFIG_SYS_CLK_FREQ;
+#endif
+}
diff --git a/arch/nds32/cpu/n1213/ag102/watchdog.S b/arch/nds32/cpu/n1213/ag102/watchdog.S
new file mode 100644
index 0000000..56cecda
--- /dev/null
+++ b/arch/nds32/cpu/n1213/ag102/watchdog.S
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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 <asm/arch-ag102/ag102.h>
+#include <linux/linkage.h>
+
+.text
+
+#ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG
+ENTRY(turnoff_watchdog)
+
+#define WD_CR 0xC
+#define WD_ENABLE 0x1
+
+ ! Turn off the watchdog, according to Faraday FTWDT010 spec
+ li $p0, (CONFIG_FTWDT010_BASE+WD_CR) ! Get the addr of WD CR
+ lwi $p1, [$p0] ! Get the config of WD
+ andi $p1, $p1, 0x1f ! Wipe out useless bits
+ li $r0, ~WD_ENABLE
+ and $p1, $p1, $r0 ! Set WD disable
+ sw $p1, [$p0] ! Write back to WD CR
+
+ ! Disable Interrupts by clear GIE in $PSW reg
+ setgie.d
+
+ ret
+
+ENDPROC(turnoff_watchdog)
+#endif
diff --git a/arch/nds32/include/asm/arch-ag102/ag102.h b/arch/nds32/include/asm/arch-ag102/ag102.h
new file mode 100644
index 0000000..a12a8c5
--- /dev/null
+++ b/arch/nds32/include/asm/arch-ag102/ag102.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __AG102_H
+#define __AG102_H
+
+/*
+ * Hardware register bases
+ */
+
+/* PCI Controller */
+#define CONFIG_FTPCI100_BASE 0x90000000
+/* LPC Controller */
+#define CONFIG_LPC_IO_BASE 0x90100000
+/* LPC Controller */
+#define CONFIG_LPC_BASE 0x90200000
+
+/* NDS32 Data Local Memory 01 */
+#define CONFIG_NDS_DLM1_BASE 0x90300000
+/* NDS32 Data Local Memory 02 */
+#define CONFIG_NDS_DLM2_BASE 0x90400000
+
+/* Synopsys DWC DDR2/1 Controller */
+#define CONFIG_DWCDDR21MCTL_BASE 0x90500000
+/* DMA Controller */
+#define CONFIG_FTDMAC020_BASE 0x90600000
+/* FTIDE020_S IDE (ATA) Controller */
+#define CONFIG_FTIDE020S_BASE 0x90700000
+/* USB OTG Controller */
+#define CONFIG_FZOTG266HD0A_BASE 0x90800000
+/* Andes L2 Cache Controller */
+#define CONFIG_NCEL2C100_BASE 0x90900000
+/* XGI XG22 GPU */
+#define CONFIG_XGI_XG22_BASE 0x90A00000
+/* GMAC Ethernet Controller */
+#define CONFIG_FTGMAC100_BASE 0x90B00000
+/* AHB Controller */
+#define CONFIG_FTAHBC020S_BASE 0x90C00000
+/* AHB-to-APB Bridge Controller */
+#define CONFIG_FTAPBBRG020S_01_BASE 0x90D00000
+/* External AHB2AHB Controller */
+#define CONFIG_EXT_AHB2AHB_BASE 0x90E00000
+/* Andes Multi-core Interrupt Controller */
+#define CONFIG_NCEMIC100_BASE 0x90F00000
+
+/*
+ * APB Device definitions
+ */
+/* Compat Flash Controller */
+#define CONFIG_FTCFC010_BASE 0x94000000
+/* APB - SSP (SPI) (without AC97) Controller */
+#define CONFIG_FTSSP010_01_BASE 0x94100000
+/* UART1 - APB STUART Controller (UART0 in Linux) */
+#define CONFIG_FTUART010_01_BASE 0x94200000
+/* FTSDC010 SD Controller */
+#define CONFIG_FTSDC010_BASE 0x94400000
+/* APB - SSP with HDA/AC97 Controller */
+#define CONFIG_FTSSP010_02_BASE 0x94500000
+/* UART2 - APB STUART Controller (UART1 in Linux) */
+#define CONFIG_FTUART010_02_BASE 0x94600000
+/* PCU Controller */
+#define CONFIG_ANDES_PCU_BASE 0x94800000
+/* FTTMR010 Timer */
+#define CONFIG_FTTMR010_BASE 0x94900000
+/* Watch Dog Controller */
+#define CONFIG_FTWDT010_BASE 0x94A00000
+/* FTRTC010 Real Time Clock */
+#define CONFIG_FTRTC010_BASE 0x98B00000
+/* GPIO Controller */
+#define CONFIG_FTGPIO010_BASE 0x94C00000
+/* I2C Controller */
+#define CONFIG_FTIIC010_BASE 0x94E00000
+/* PWM - Pulse Width Modulator Controller */
+#define CONFIG_FTPWM010_BASE 0x94F00000
+
+/* Debug LED */
+#define CONFIG_DEBUG_LED 0x902FFFFC
+/* Power Management Unit */
+#define CONFIG_FTPMU010_BASE 0x98100000
+
+#endif /* __AG102_H */
diff --git a/arch/nds32/include/asm/mach-types.h b/arch/nds32/include/asm/mach-types.h
index 7b52b98..259e4e7 100644
--- a/arch/nds32/include/asm/mach-types.h
+++ b/arch/nds32/include/asm/mach-types.h
@@ -40,4 +40,18 @@ extern unsigned int __machine_arch_type;
# define machine_is_adpag101p() (1)
#endif
+#define MACH_TYPE_ADPAG102 2
+
+#ifdef CONFIG_ARCH_ADPAG102
+# ifdef machine_arch_type
+# undef machine_arch_type
+# define machine_arch_type __machine_arch_type
+# else
+# define machine_arch_type MACH_TYPE_ADPAG102
+# endif
+# define machine_is_adpag102() (machine_arch_type == MACH_TYPE_ADPAG102)
+#else
+# define machine_is_adpag102() (2)
+#endif
+
#endif /* __ASM_NDS32_MACH_TYPE_H */
generated by cgit v1.1 at 2024-12-22 19:11:21 +0000