diff options
Diffstat (limited to 'arch/nds32')
| -rw-r--r-- | arch/nds32/cpu/n1213/Makefile | 1 | ||||
| -rw-r--r-- | arch/nds32/cpu/n1213/ag101/lowlevel_init.S | 16 | ||||
| -rw-r--r-- | arch/nds32/cpu/n1213/start.S | 7 | ||||
| -rw-r--r-- | arch/nds32/include/asm/u-boot.h | 1 | ||||
| -rw-r--r-- | arch/nds32/lib/Makefile | 1 | ||||
| -rw-r--r-- | arch/nds32/lib/board.c | 398 | ||||
| -rw-r--r-- | arch/nds32/lib/interrupts.c | 4 |
7 files changed, 20 insertions, 408 deletions
diff --git a/arch/nds32/cpu/n1213/Makefile b/arch/nds32/cpu/n1213/Makefile index 8ab1fce..7d5ae96 100644 --- a/arch/nds32/cpu/n1213/Makefile +++ b/arch/nds32/cpu/n1213/Makefile @@ -12,4 +12,3 @@ extra-y = start.o obj-$(if $(filter ag101,$(SOC)),y) += ag101/ -obj-$(if $(filter ag102,$(SOC)),y) += ag102/ diff --git a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S b/arch/nds32/cpu/n1213/ag101/lowlevel_init.S index d6484b9..1a94868 100644 --- a/arch/nds32/cpu/n1213/ag101/lowlevel_init.S +++ b/arch/nds32/cpu/n1213/ag101/lowlevel_init.S @@ -205,8 +205,8 @@ relo_base: * Remapping */ led 0x1a - write32 SDMC_B0_BSR_A, SDMC_B0_BSR_D ! 0x00001100 - write32 SDMC_B1_BSR_A, SDMC_B1_BSR_D ! 0x00001140 + write32 SDMC_B0_BSR_A, SDMC_B0_BSR_D ! 0x00001800 + write32 SDMC_B1_BSR_A, SDMC_B1_BSR_D ! 0x00001880 /* clear empty BSR registers */ led 0x1b @@ -272,7 +272,11 @@ relo_base: */ led 0x1c write32 SDMC_B0_BSR_A, 0x00001000 - write32 SDMC_B1_BSR_A, 0x00001040 + write32 SDMC_B1_BSR_A, 0x00001200 + li $r5, CONFIG_SYS_TEXT_BASE /* flash base address */ + add $r11, $r11, $r5 /* add flash address offset for ret */ + add $r10, $r10, $r5 + move $lp, $r11 setbf15 AHBC_CR_A, FTAHBC020S_CR_REMAP ! 0x1 /* @@ -282,9 +286,9 @@ relo_base: li $r5, AHBC_BSR6_A lwi $r6, [$r5] li $r4, 0xfff0ffff - and $r6 ,$r4 , $r6 + and $r6 ,$r4, $r6 li $r4, 0x000b0000 - or $r6, $r4, $r6 + or $r6, $r4, $r6 swi $r6, [$r5] /* @@ -299,7 +303,7 @@ relo_base: or $r5, $r5, $r6 swi $r5, [$r4] #endif /* #ifdef CONFIG_MEM_REMAP */ - move $lp, $r11 + move $lp, $r11 2: ret diff --git a/arch/nds32/cpu/n1213/start.S b/arch/nds32/cpu/n1213/start.S index 0d96c52..2f0b76c 100644 --- a/arch/nds32/cpu/n1213/start.S +++ b/arch/nds32/cpu/n1213/start.S @@ -153,8 +153,11 @@ turnoff_wtdog: * $sp must be 8-byte alignment for ABI compliance. */ call_board_init_f: - li $sp, CONFIG_SYS_INIT_SP_ADDR - li $r0, 0x00000000 + li $sp, CONFIG_SYS_INIT_SP_ADDR + li $r10, GD_SIZE /* get GD size */ + sub $sp, $sp, $r10 /* GD start addr */ + move $r10, $sp + li $r0, 0x00000000 #ifdef __PIC__ #ifdef __NDS32_N1213_43U1H__ diff --git a/arch/nds32/include/asm/u-boot.h b/arch/nds32/include/asm/u-boot.h index 44e72d4..2efdeb1 100644 --- a/arch/nds32/include/asm/u-boot.h +++ b/arch/nds32/include/asm/u-boot.h @@ -30,6 +30,7 @@ typedef struct bd_info { unsigned long bi_flashstart; /* start of FLASH memory */ unsigned long bi_flashsize; /* size of FLASH memory */ unsigned long bi_flashoffset; /* reserved area for startup monitor */ + unsigned char bi_enetaddr[6]; struct /* RAM configuration */ { diff --git a/arch/nds32/lib/Makefile b/arch/nds32/lib/Makefile index 6ea96db..1a0d26f 100644 --- a/arch/nds32/lib/Makefile +++ b/arch/nds32/lib/Makefile @@ -9,7 +9,6 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-y += board.o obj-y += cache.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += interrupts.o diff --git a/arch/nds32/lib/board.c b/arch/nds32/lib/board.c deleted file mode 100644 index 24a09bc..0000000 --- a/arch/nds32/lib/board.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * (C) Copyright 2002-2006 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2011 Andes Technology Corporation - * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <malloc.h> -#include <stdio_dev.h> -#include <timestamp.h> -#include <version.h> -#include <net.h> -#include <serial.h> -#include <nand.h> -#include <onenand_uboot.h> -#include <mmc.h> -#include <asm/sections.h> - -DECLARE_GLOBAL_DATA_PTR; - -#if defined(CONFIG_SYS_I2C) -#include <i2c.h> -#endif - -ulong monitor_flash_len; - -/* - * Init Utilities - */ - -#if !defined(CONFIG_BAUDRATE) -#define CONFIG_BAUDRATE 38400 -#endif -static int init_baudrate(void) -{ - gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); - return 0; -} - -/* - * WARNING: this code looks "cleaner" than the PowerPC version, but - * has the disadvantage that you either get nothing, or everything. - * On PowerPC, you might see "DRAM: " before the system hangs - which - * gives a simple yet clear indication which part of the - * initialization if failing. - */ -static int display_dram_config(void) -{ - int i; - -#ifdef DEBUG - puts("RAM Configuration:\n"); - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { - printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); - print_size(gd->bd->bi_dram[i].size, "\n"); - } -#else - ulong size = 0; - - for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) - size += gd->bd->bi_dram[i].size; - - puts("DRAM: "); - print_size(size, "\n"); -#endif - - return 0; -} - -#ifndef CONFIG_SYS_NO_FLASH -static void display_flash_config(ulong size) -{ - puts("Flash: "); - print_size(size, "\n"); -} -#endif /* CONFIG_SYS_NO_FLASH */ - -#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) -#include <pci.h> -static int nds32_pci_init(void) -{ - pci_init(); - return 0; -} -#endif /* CONFIG_CMD_PCI || CONFIG_PCI */ - -#if defined(CONFIG_PMU) || defined(CONFIG_PCU) -#ifndef CONFIG_SKIP_LOWLEVEL_INIT -static int pmu_init(void) -{ -#if defined(CONFIG_FTPMU010_POWER) -#ifdef __NDS32_N1213_43U1H__ /* AG101: internal definition in toolchain */ - ftpmu010_sdram_clk_disable(CONFIG_SYS_FTPMU010_PDLLCR0_HCLKOUTDIS); - ftpmu010_mfpsr_select_dev(FTPMU010_MFPSR_AC97CLKSEL); - ftpmu010_sdramhtc_set(CONFIG_SYS_FTPMU010_SDRAMHTC); -#endif /* __NDS32_N1213_43U1H__ */ -#endif - return 0; -} -#endif -#endif - -/* - * Breathe some life into the board... - * - * Initialize a serial port as console, and carry out some hardware - * tests. - * - * The first part of initialization is running from Flash memory; - * its main purpose is to initialize the RAM so that we - * can relocate the monitor code to RAM. - */ - -/* - * All attempts to come up with a "common" initialization sequence - * that works for all boards and architectures failed: some of the - * requirements are just _too_ different. To get rid of the resulting - * mess of board dependent #ifdef'ed code we now make the whole - * initialization sequence configurable to the user. - * - * The requirements for any new initalization function is simple: it - * receives a pointer to the "global data" structure as it's only - * argument, and returns an integer return code, where 0 means - * "continue" and != 0 means "fatal error, hang the system". - */ -typedef int (init_fnc_t)(void); - -void __dram_init_banksize(void) -{ - gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - gd->bd->bi_dram[0].size = gd->ram_size; -} -void dram_init_banksize(void) - __attribute__((weak, alias("__dram_init_banksize"))); - -init_fnc_t *init_sequence[] = { -#if defined(CONFIG_ARCH_CPU_INIT) - arch_cpu_init, /* basic arch cpu dependent setup */ -#endif -#if defined(CONFIG_PMU) || defined(CONFIG_PCU) -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - pmu_init, -#endif -#endif - board_init, /* basic board dependent setup */ -#if defined(CONFIG_USE_IRQ) - interrupt_init, /* set up exceptions */ -#endif - timer_init, /* initialize timer */ - env_init, /* initialize environment */ - init_baudrate, /* initialze baudrate settings */ - serial_init, /* serial communications setup */ - console_init_f, /* stage 1 init of console */ -#if defined(CONFIG_DISPLAY_BOARDINFO) - checkboard, /* display board info */ -#endif -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) - init_func_i2c, -#endif - dram_init, /* configure available RAM banks */ - display_dram_config, - NULL, -}; - -void board_init_f(ulong bootflag) -{ - bd_t *bd; - init_fnc_t **init_fnc_ptr; - gd_t *id; - ulong addr, addr_sp; - - /* Pointer is writable since we allocated a register for it */ - gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07); - - memset((void *)gd, 0, GENERATED_GBL_DATA_SIZE); - - gd->mon_len = (unsigned int)(&__bss_end) - (unsigned int)(&_start); - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr)() != 0) - hang(); - } - - debug("monitor len: %08lX\n", gd->mon_len); - /* - * Ram is setup, size stored in gd !! - */ - debug("ramsize: %08lX\n", gd->ram_size); - - addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; - - /* round down to next 4 kB limit */ - addr &= ~(4096 - 1); - debug("Top of RAM usable for U-Boot at: %08lx\n", addr); - -#ifdef CONFIG_LCD -#ifdef CONFIG_FB_ADDR - gd->fb_base = CONFIG_FB_ADDR; -#else - /* reserve memory for LCD display (always full pages) */ - addr = lcd_setmem(addr); - gd->fb_base = addr; -#endif /* CONFIG_FB_ADDR */ -#endif /* CONFIG_LCD */ - - /* - * reserve memory for U-Boot code, data & bss - * round down to next 4 kB limit - */ - addr -= gd->mon_len; - addr &= ~(4096 - 1); - - debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr); - - /* - * reserve memory for malloc() arena - */ - addr_sp = addr - TOTAL_MALLOC_LEN; - debug("Reserving %dk for malloc() at: %08lx\n", - TOTAL_MALLOC_LEN >> 10, addr_sp); - /* - * (permanently) allocate a Board Info struct - * and a permanent copy of the "global" data - */ - addr_sp -= GENERATED_BD_INFO_SIZE; - bd = (bd_t *) addr_sp; - gd->bd = bd; - memset((void *)bd, 0, GENERATED_BD_INFO_SIZE); - debug("Reserving %zu Bytes for Board Info at: %08lx\n", - GENERATED_BD_INFO_SIZE, addr_sp); - - addr_sp -= GENERATED_GBL_DATA_SIZE; - id = (gd_t *) addr_sp; - debug("Reserving %zu Bytes for Global Data at: %08lx\n", - GENERATED_GBL_DATA_SIZE, addr_sp); - - /* setup stackpointer for exeptions */ - gd->irq_sp = addr_sp; -#ifdef CONFIG_USE_IRQ - addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); - debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", - CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp); -#endif - /* leave 3 words for abort-stack */ - addr_sp -= 12; - - /* 8-byte alignment for ABI compliance */ - addr_sp &= ~0x07; - debug("New Stack Pointer is: %08lx\n", addr_sp); - - /* Ram isn't board specific, so move it to board code ... */ - dram_init_banksize(); - display_dram_config(); /* and display it */ - - gd->relocaddr = addr; - gd->start_addr_sp = addr_sp; - - gd->reloc_off = addr - _TEXT_BASE; - - debug("relocation Offset is: %08lx\n", gd->reloc_off); - memcpy(id, (void *)gd, GENERATED_GBL_DATA_SIZE); - - relocate_code(addr_sp, id, addr); - - /* NOTREACHED - relocate_code() does not return */ -} - -/* - * This is the next part if the initialization sequence: we are now - * running from RAM and have a "normal" C environment, i. e. global - * data can be written, BSS has been cleared, the stack size in not - * that critical any more, etc. - */ -void board_init_r(gd_t *id, ulong dest_addr) -{ - bd_t *bd; - ulong malloc_start; - - gd = id; - bd = gd->bd; - - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ - - monitor_flash_len = (ulong)&_end - (ulong)&_start; - debug("monitor flash len: %08lX\n", monitor_flash_len); - - board_init(); /* Setup chipselects */ - -#if defined(CONFIG_NEEDS_MANUAL_RELOC) - /* - * We have to relocate the command table manually - */ - fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), - ll_entry_count(cmd_tbl_t, cmd)); -#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ - - serial_initialize(); - - debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); - - /* The Malloc area is immediately below the monitor copy in DRAM */ - malloc_start = dest_addr - TOTAL_MALLOC_LEN; - mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN); - -#ifndef CONFIG_SYS_NO_FLASH - /* configure available FLASH banks */ - gd->bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; - gd->bd->bi_flashsize = flash_init(); - gd->bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + gd->bd->bi_flashsize; - - if (gd->bd->bi_flashsize) - display_flash_config(gd->bd->bi_flashsize); -#endif /* CONFIG_SYS_NO_FLASH */ - -#if defined(CONFIG_CMD_NAND) - puts("NAND: "); - nand_init(); /* go init the NAND */ -#endif - -#if defined(CONFIG_CMD_IDE) - puts("IDE: "); - ide_init(); -#endif - -#ifdef CONFIG_GENERIC_MMC - puts("MMC: "); - mmc_initialize(gd->bd); -#endif - -#if defined(CONFIG_SYS_I2C_ADAPTERS) - i2c_reloc_fixup(); -#endif - - /* initialize environment */ - env_relocate(); - -#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) - puts("PCI: "); - nds32_pci_init(); -#endif - - stdio_init(); /* get the devices list going. */ - - jumptable_init(); - -#if defined(CONFIG_API) - /* Initialize API */ - api_init(); -#endif - - console_init_r(); /* fully init console as a device */ - -#if defined(CONFIG_ARCH_MISC_INIT) - /* miscellaneous arch dependent initialisations */ - arch_misc_init(); -#endif -#if defined(CONFIG_MISC_INIT_R) - /* miscellaneous platform dependent initialisations */ - misc_init_r(); -#endif - -#if defined(CONFIG_USE_IRQ) - /* set up exceptions */ - interrupt_init(); - /* enable exceptions */ - enable_interrupts(); -#endif - - /* Initialize from environment */ - load_addr = getenv_ulong("loadaddr", 16, load_addr); - -#ifdef CONFIG_BOARD_LATE_INIT - board_late_init(); -#endif - -#if defined(CONFIG_CMD_NET) - puts("Net: "); - - eth_initialize(); -#if defined(CONFIG_RESET_PHY_R) - debug("Reset Ethernet PHY\n"); - reset_phy(); -#endif -#endif - - /* main_loop() can return to retry autoboot, if so just run it again. */ - for (;;) - main_loop(); - - /* NOTREACHED - no way out of command loop except booting */ -} diff --git a/arch/nds32/lib/interrupts.c b/arch/nds32/lib/interrupts.c index d86cc23..72ff78d 100644 --- a/arch/nds32/lib/interrupts.c +++ b/arch/nds32/lib/interrupts.c @@ -35,6 +35,10 @@ int GIE_STATUS(void) #ifdef CONFIG_USE_INTERRUPT +int interrupt_init(void) +{ + return 0; +} /* enable interrupts */ void enable_interrupts(void) { |