AXS101 is a new generation of devlopment boards from Synopsys that houses ASIC with ARC700 and lots of DesignWare peripherals:
* DW APB UART * DW Mobile Storage (MMC/SD) * DW I2C * DW GMAC
Signed-off-by: Alexey Brodkin abrodkin@synopsys.com
Cc: Mischa Jonker mjonker@synopsys.com Cc: Francois Bedard fbedard@synopsys.com
Changes for v2:
* Added commit message --- board/synopsys/axs101/Makefile | 8 ++ board/synopsys/axs101/axs101.c | 61 +++++++++++ board/synopsys/axs101/nand.c | 224 +++++++++++++++++++++++++++++++++++++++++ boards.cfg | 1 + include/configs/axs101.h | 194 +++++++++++++++++++++++++++++++++++ 5 files changed, 488 insertions(+) create mode 100644 board/synopsys/axs101/Makefile create mode 100644 board/synopsys/axs101/axs101.c create mode 100644 board/synopsys/axs101/nand.c create mode 100644 include/configs/axs101.h
diff --git a/board/synopsys/axs101/Makefile b/board/synopsys/axs101/Makefile new file mode 100644 index 0000000..f0965f7 --- /dev/null +++ b/board/synopsys/axs101/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += axs101.o +obj-$(CONFIG_CMD_NAND) += nand.o diff --git a/board/synopsys/axs101/axs101.c b/board/synopsys/axs101/axs101.c new file mode 100644 index 0000000..93e44dd --- /dev/null +++ b/board/synopsys/axs101/axs101.c @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dwmmc.h> +#include <i2c.h> +#include <malloc.h> +#include <netdev.h> +#include <phy.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + gd->cpu_clk = CONFIG_SYS_CLK_FREQ; + gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + + return 0; +} + +int board_early_init_r(void) +{ + gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; + + return 0; +} + +int board_mmc_init(bd_t *bis) +{ + struct dwmci_host *host = NULL; + + host = malloc(sizeof(struct dwmci_host)); + if (!host) { + printf("dwmci_host malloc fail!\n"); + return 1; + } + + memset(host, 0, sizeof(struct dwmci_host)); + host->name = "Synopsys Mobile storage"; + host->ioaddr = (void *)ARC_DWMMC_BASE; + host->buswidth = 4; + host->dev_index = 0; + host->bus_hz = 25000000; + + add_dwmci(host, 52000000, 400000); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + if (designware_initialize(0, ARC_DWGMAC_BASE, 0, + PHY_INTERFACE_MODE_RGMII) >= 0) + return 1; + + return 0; +} diff --git a/board/synopsys/axs101/nand.c b/board/synopsys/axs101/nand.c new file mode 100644 index 0000000..9667080 --- /dev/null +++ b/board/synopsys/axs101/nand.c @@ -0,0 +1,224 @@ +/* + * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <bouncebuf.h> +#include <common.h> +#include <malloc.h> +#include <nand.h> +#include <asm/io.h> + +#define BUS_WIDTH 8 /* AXI data bus width in bytes */ + +/* DMA buffer descriptor bits & masks */ +#define BD_STAT_OWN (1 << 31) +#define BD_STAT_BD_FIRST (1 << 3) +#define BD_STAT_BD_LAST (1 << 2) +#define BD_SIZES_BUFFER1_MASK 0xfff + +#define BD_STAT_BD_COMPLETE (BD_STAT_BD_FIRST | BD_STAT_BD_LAST) + +/* Controller command flags */ +#define B_WFR (1 << 19) /* 1b - Wait for ready */ +#define B_LC (1 << 18) /* 1b - Last cycle */ +#define B_IWC (1 << 13) /* 1b - Interrupt when complete */ + +/* NAND cycle types */ +#define B_CT_ADDRESS (0x0 << 16) /* Address operation */ +#define B_CT_COMMAND (0x1 << 16) /* Command operation */ +#define B_CT_WRITE (0x2 << 16) /* Write operation */ +#define B_CT_READ (0x3 << 16) /* Write operation */ + +enum nand_isr_t { + NAND_ISR_DATAREQUIRED = 0, + NAND_ISR_TXUNDERFLOW, + NAND_ISR_TXOVERFLOW, + NAND_ISR_DATAAVAILABLE, + NAND_ISR_RXUNDERFLOW, + NAND_ISR_RXOVERFLOW, + NAND_ISR_TXDMACOMPLETE, + NAND_ISR_RXDMACOMPLETE, + NAND_ISR_DESCRIPTORUNAVAILABLE, + NAND_ISR_CMDDONE, + NAND_ISR_CMDAVAILABLE, + NAND_ISR_CMDERROR, + NAND_ISR_DATATRANSFEROVER, + NAND_ISR_NONE +}; + +enum nand_regs_t { + AC_FIFO = 0, /* address and command fifo */ + IDMAC_BDADDR = 0x18, /* idmac descriptor list base address */ + INT_STATUS = 0x118, /* interrupt status register */ + INT_CLR_STATUS = 0x120, /* interrupt clear status register */ +}; + +struct nand_bd { + uint32_t status; /* DES0 */ + uint32_t sizes; /* DES1 */ + uint32_t buffer_ptr0; /* DES2 */ + uint32_t buffer_ptr1; /* DES3 */ +}; + +#define NAND_REG_WRITE(r, v) writel(v, CONFIG_SYS_NAND_BASE + r) +#define NAND_REG_READ(r) readl(CONFIG_SYS_NAND_BASE + r) + +static struct nand_bd *bd; /* DMA buffer descriptors */ + +/** + * axs101_nand_write_buf - write buffer to chip + * @mtd: MTD device structure + * @buf: data buffer + * @len: number of bytes to write + */ +static uint32_t nand_flag_is_set(uint32_t flag) +{ + uint32_t reg = NAND_REG_READ(INT_STATUS); + + if (reg & (1 << NAND_ISR_CMDERROR)) + return 0; + + if (reg & (1 << flag)) { + NAND_REG_WRITE(INT_CLR_STATUS, 1 << flag); + return 1; + } + + return 0; +} + +/** + * axs101_nand_write_buf - write buffer to chip + * @mtd: MTD device structure + * @buf: data buffer + * @len: number of bytes to write + */ +static void axs101_nand_write_buf(struct mtd_info *mtd, const u_char *buf, + int len) +{ + struct bounce_buffer bbstate; + + bounce_buffer_start(&bbstate, (void *)buf, len, GEN_BB_READ); + + /* Setup buffer descriptor */ + writel(BD_STAT_OWN | BD_STAT_BD_COMPLETE, &bd->status); + writel(ALIGN(len, BUS_WIDTH) & BD_SIZES_BUFFER1_MASK, &bd->sizes); + writel(bbstate.bounce_buffer, &bd->buffer_ptr0); + writel(0, &bd->buffer_ptr1); + + /* Issue "write" command */ + NAND_REG_WRITE(AC_FIFO, B_CT_WRITE | B_WFR | B_IWC | B_LC | (len-1)); + + /* Wait for NAND command and DMA to complete */ + while (!nand_flag_is_set(NAND_ISR_CMDDONE)) + ; + while (!nand_flag_is_set(NAND_ISR_TXDMACOMPLETE)) + ; + + bounce_buffer_stop(&bbstate); +} + +/** + * axs101_nand_read_buf - read chip data into buffer + * @mtd: MTD device structure + * @buf: buffer to store data + * @len: number of bytes to read + */ +static void axs101_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +{ + struct bounce_buffer bbstate; + + bounce_buffer_start(&bbstate, buf, len, GEN_BB_WRITE); + + /* Setup buffer descriptor */ + writel(BD_STAT_OWN | BD_STAT_BD_COMPLETE, &bd->status); + writel(ALIGN(len, BUS_WIDTH) & BD_SIZES_BUFFER1_MASK, &bd->sizes); + writel(bbstate.bounce_buffer, &bd->buffer_ptr0); + writel(0, &bd->buffer_ptr1); + + /* Issue "read" command */ + NAND_REG_WRITE(AC_FIFO, B_CT_READ | B_WFR | B_IWC | B_LC | (len - 1)); + + /* Wait for NAND command and DMA to complete */ + while (!nand_flag_is_set(NAND_ISR_CMDDONE)) + ; + while (!nand_flag_is_set(NAND_ISR_RXDMACOMPLETE)) + ; + + bounce_buffer_stop(&bbstate); +} + +/** + * axs101_nand_read_byte - read one byte from the chip + * @mtd: MTD device structure + */ +static u_char axs101_nand_read_byte(struct mtd_info *mtd) +{ + u8 byte; + axs101_nand_read_buf(mtd, (uchar *)&byte, sizeof(byte)); + return byte; +} + +/** + * axs101_nand_read_word - read one word from the chip + * @mtd: MTD device structure + */ +static u16 axs101_nand_read_word(struct mtd_info *mtd) +{ + u16 word; + axs101_nand_read_buf(mtd, (uchar *)&word, sizeof(word)); + return word; +} + +/** + * axs101_nand_hwcontrol - NAND control functions wrapper. + * @mtd: MTD device structure + * @cmd: Command + */ +static void axs101_nand_hwcontrol(struct mtd_info *mtdinfo, int cmd, + unsigned int ctrl) +{ + if (cmd == NAND_CMD_NONE) + return; + + cmd = cmd & 0xff; + + switch (ctrl & (NAND_ALE | NAND_CLE)) { + /* Address */ + case NAND_ALE: + cmd |= B_CT_ADDRESS; + break; + + /* Command */ + case NAND_CLE: + cmd |= B_CT_COMMAND | B_WFR; + + break; + + default: + debug("%s: unknown ctrl %#x\n", __func__, ctrl); + } + + NAND_REG_WRITE(AC_FIFO, cmd | B_LC); + while (!nand_flag_is_set(NAND_ISR_CMDDONE)) + ; +} + +int board_nand_init(struct nand_chip *nand) +{ + bd = (struct nand_bd *)memalign(ARCH_DMA_MINALIGN, + sizeof(struct nand_bd)); + + /* Set buffer descriptor address in IDMAC */ + NAND_REG_WRITE(IDMAC_BDADDR, bd); + + nand->ecc.mode = NAND_ECC_SOFT; + nand->cmd_ctrl = axs101_nand_hwcontrol; + nand->read_byte = axs101_nand_read_byte; + nand->read_word = axs101_nand_read_word; + nand->write_buf = axs101_nand_write_buf; + nand->read_buf = axs101_nand_read_buf; + + return 0; +} diff --git a/boards.cfg b/boards.cfg index 41269fe..cb6bc37 100644 --- a/boards.cfg +++ b/boards.cfg @@ -1229,6 +1229,7 @@ Active sparc leon3 - gaisler - Active sparc leon3 - gaisler - gr_xc3s_1500 - - Active sparc leon3 - gaisler - grsim - - Active x86 x86 coreboot chromebook-x86 coreboot coreboot-x86 coreboot:SYS_TEXT_BASE=0x01110000 - +Active arc arc700 - synopsys axs101 axs101 - Alexey Brodkin abrodkin@synopsys.com Active arc arc700 - synopsys arcangel4 arcangel4 - Alexey Brodkin abrodkin@synopsys.com Orphan arm arm1136 mx31 - imx31_phycore imx31_phycore_eet imx31_phycore:IMX31_PHYCORE_EET (resigned) Guennadi Liakhovetski g.liakhovetski@gmx.de Orphan arm arm1136 mx31 freescale - mx31ads - (resigned) Guennadi Liakhovetski g.liakhovetski@gmx.de diff --git a/include/configs/axs101.h b/include/configs/axs101.h new file mode 100644 index 0000000..8e0f67e --- /dev/null +++ b/include/configs/axs101.h @@ -0,0 +1,194 @@ +/* + * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _CONFIG_AXS101_H_ +#define _CONFIG_AXS101_H_ + +/* + * CPU configuration + */ +#define CONFIG_ARC700 +#define CONFIG_ARC_MMU_VER 3 +#define CONFIG_SYS_CACHELINE_SIZE 32 +#define CONFIG_SYS_CLK_FREQ 750000000 +#define CONFIG_SYS_TIMER_RATE CONFIG_SYS_CLK_FREQ + +/* dwgmac doesn't work with D$ enabled now */ +#define CONFIG_SYS_DCACHE_OFF + +/* + * Board configuration + */ +#define CONFIG_SYS_GENERIC_BOARD +#define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is in RAM already */ + +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_EARLY_INIT_R + +#define ARC_FPGA_PERIPHERAL_BASE 0xE0000000 +#define ARC_APB_PERIPHERAL_BASE 0xF0000000 +#define ARC_DWMMC_BASE (ARC_FPGA_PERIPHERAL_BASE + 0x15000) +#define ARC_DWGMAC_BASE (ARC_FPGA_PERIPHERAL_BASE + 0x18000) + +/* + * Memory configuration + */ +#define CONFIG_SYS_TEXT_BASE 0x81000000 +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE + +#define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000 +#define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE +#define CONFIG_SYS_SDRAM_SIZE 0x10000000 /* 256 Mb */ + +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE) + +#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x200) +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x1234) + +#define CONFIG_SYS_MALLOC_LEN 0x200000 /* 2 MB */ +#define CONFIG_SYS_BOOTM_LEN 0x2000000 /* 32 MB */ +#define CONFIG_SYS_LOAD_ADDR 0x82000000 + +/* + * NAND Flash configuration + */ +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_NAND_BASE (ARC_FPGA_PERIPHERAL_BASE + 0x16000) +#define CONFIG_SYS_MAX_NAND_DEVICE 1 + +/* + * UART configuration + * + * CONFIG_CONS_INDEX = 1 - Debug UART + * CONFIG_CONS_INDEX = 4 - FPGA UART connected to FTDI/USB + */ +#define CONFIG_CONS_INDEX 4 +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE -4 +#if (CONFIG_CONS_INDEX == 1) + /* Debug UART */ +# define CONFIG_SYS_NS16550_CLK 33333000 +#else + /* FPGA UARTs use different clock */ +# define CONFIG_SYS_NS16550_CLK 33333333 +#endif +#define CONFIG_SYS_NS16550_COM1 (ARC_APB_PERIPHERAL_BASE + 0x5000) +#define CONFIG_SYS_NS16550_COM2 (ARC_FPGA_PERIPHERAL_BASE + 0x20000) +#define CONFIG_SYS_NS16550_COM3 (ARC_FPGA_PERIPHERAL_BASE + 0x21000) +#define CONFIG_SYS_NS16550_COM4 (ARC_FPGA_PERIPHERAL_BASE + 0x22000) +#define CONFIG_SYS_NS16550_MEM32 + +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} + +/* + * I2C configuration + */ +#define CONFIG_HARD_I2C 1 +#define CONFIG_DW_I2C 1 +#define CONFIG_I2C_ENV_EEPROM_BUS 2 +#define CONFIG_SYS_I2C_SPEED 100000 +#define CONFIG_SYS_I2C_SLAVE 0 +#define CONFIG_I2C_MULTI_BUS 1 +#define CONFIG_SYS_I2C_BASE 0xE001D000 +#define CONFIG_SYS_I2C_BASE1 0xE001E000 +#define CONFIG_SYS_I2C_BASE2 0xE001F000 +#define CONFIG_SYS_I2C_BUS_MAX 3 +#define IC_CLK 50 + +/* + * EEPROM configuration + */ +#define CONFIG_SYS_I2C_EEPROM_ADDR (0xA8 >> 1) +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 +#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 1 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 32 +#define CONFIG_SYS_I2C_MULTI_EEPROMS 1 + +/* + * SD/MMC configuration + */ +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_DWMMC +#define CONFIG_DOS_PARTITION + +/* + * Ethernet PHY configuration + */ +#define CONFIG_PHYLIB +#define CONFIG_MII +#define CONFIG_PHY_GIGE + +/* + * Ethernet configuration + */ +#define CONFIG_DESIGNWARE_ETH +#define CONFIG_DW_AUTONEG +#define CONFIG_DW_SEARCH_PHY +#define CONFIG_NET_MULTI + +#define CONFIG_HOSTNAME axs101 +#define CONFIG_ETHADDR 4a:56:49:22:3e:43 +#define CONFIG_IPADDR 10.121.8.200 +#define CONFIG_SERVERIP 10.121.8.31 +#define CONFIG_GATEWAYIP 10.121.8.1 +#define CONFIG_NETMASK 255.255.255.0 + +/* + * Command line configuration + */ +#include <config_cmd_default.h> + +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_EEPROM +#define CONFIG_CMD_ELF +#define CONFIG_CMD_FAT +#define CONFIG_CMD_I2C +#define CONFIG_CMD_MMC +#define CONFIG_CMD_NAND +#define CONFIG_CMD_PING +#define CONFIG_CMD_RARP + +#define CONFIG_OF_LIBFDT + +#define CONFIG_AUTO_COMPLETE +#define CONFIG_SYS_MAXARGS 16 + +/* + * Environment settings + */ +#define CONFIG_ENV_IS_IN_EEPROM +#define CONFIG_ENV_SIZE 0x00200 /* 512 bytes */ +#define CONFIG_ENV_OFFSET 0 + +/* + * Environment configuration + */ +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_BOOTARGS "console=ttyS3,115200n8" +#define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR + +/* + * Console configuration + */ +#define CONFIG_SYS_LONGHELP +#define CONFIG_SYS_PROMPT "axs101# " +#define CONFIG_SYS_CBSIZE 256 +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) + +/* + * Misc utility configuration + */ +#define CONFIG_BOUNCE_BUFFER + +#endif /* _CONFIG_AXS101_H_ */