From: Ben Whitten ben.whitten@lairdtech.com
This board is based on the Atmel sama5d3 eval boards. Supporting the following features: - Boot from NAND Flash - Ethernet - FIT - SPL
Signed-off-by: Ben Whitten ben.whitten@lairdtech.com Signed-off-by: Dan Kephart dan.kephart@lairdtech.com --- Changes for v2: - Updated to current master - Moved some configs to kconfig - Removed PHY and selected in config
arch/arm/mach-at91/Kconfig | 8 ++ board/laird/wb50n/Kconfig | 12 +++ board/laird/wb50n/MAINTAINERS | 6 ++ board/laird/wb50n/Makefile | 6 ++ board/laird/wb50n/wb50n.c | 206 ++++++++++++++++++++++++++++++++++++++++++ configs/wb50n_defconfig | 30 ++++++ include/configs/wb50n.h | 139 ++++++++++++++++++++++++++++ 7 files changed, 407 insertions(+) create mode 100644 board/laird/wb50n/Kconfig create mode 100644 board/laird/wb50n/MAINTAINERS create mode 100644 board/laird/wb50n/Makefile create mode 100644 board/laird/wb50n/wb50n.c create mode 100644 configs/wb50n_defconfig create mode 100644 include/configs/wb50n.h
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 414b01b..c429648 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -242,6 +242,13 @@ config TARGET_WB45N select CPU_ARM926EJS select SUPPORT_SPL
+config TARGET_WB50N + bool "Support Laird WB50N" + select BOARD_LATE_INIT + select CPU_V7 + select SUPPORT_SPL + select BOARD_EARLY_INIT_F + endchoice
config SYS_SOC @@ -277,6 +284,7 @@ source "board/siemens/corvus/Kconfig" source "board/siemens/taurus/Kconfig" source "board/siemens/smartweb/Kconfig" source "board/laird/wb45n/Kconfig" +source "board/laird/wb50n/Kconfig"
config SPL_LDSCRIPT default "arch/arm/mach-at91/arm926ejs/u-boot-spl.lds" if CPU_ARM926EJS diff --git a/board/laird/wb50n/Kconfig b/board/laird/wb50n/Kconfig new file mode 100644 index 0000000..2e7090e --- /dev/null +++ b/board/laird/wb50n/Kconfig @@ -0,0 +1,12 @@ +if TARGET_WB50N + +config SYS_BOARD + default "wb50n" + +config SYS_VENDOR + default "laird" + +config SYS_CONFIG_NAME + default "wb50n" + +endif diff --git a/board/laird/wb50n/MAINTAINERS b/board/laird/wb50n/MAINTAINERS new file mode 100644 index 0000000..3d38fc4 --- /dev/null +++ b/board/laird/wb50n/MAINTAINERS @@ -0,0 +1,6 @@ +WB50N CPU MODULE +M: Ben Whitten ben.whitten@lairdtech.com +S: Maintained +F: board/laird/wb50n/ +F: include/configs/wb50n.h +F: configs/wb50n_defconfig diff --git a/board/laird/wb50n/Makefile b/board/laird/wb50n/Makefile new file mode 100644 index 0000000..d1b6cfa --- /dev/null +++ b/board/laird/wb50n/Makefile @@ -0,0 +1,6 @@ +# +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += wb50n.o diff --git a/board/laird/wb50n/wb50n.c b/board/laird/wb50n/wb50n.c new file mode 100644 index 0000000..8896e62 --- /dev/null +++ b/board/laird/wb50n/wb50n.c @@ -0,0 +1,206 @@ +/* + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/sama5_sfr.h> +#include <asm/arch/sama5d3_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <micrel.h> +#include <net.h> +#include <netdev.h> +#include <spl.h> +#include <asm/arch/atmel_mpddrc.h> +#include <asm/arch/at91_wdt.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +void wb50n_nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + + at91_periph_clk_enable(ATMEL_ID_SMC); + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) | + AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1), + &smc->cs[3].setup); + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) | + AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5), + &smc->cs[3].pulse); + writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8), + &smc->cs[3].cycle); + writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) | + AT91_SMC_TIMINGS_TAR(3) | AT91_SMC_TIMINGS_TRR(4) | + AT91_SMC_TIMINGS_TWB(5) | AT91_SMC_TIMINGS_RBNSEL(3) | + AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings); + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | + AT91_SMC_MODE_EXNW_DISABLE | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(3), &smc->cs[3].mode); + + /* Disable Flash Write Protect Line */ + at91_set_pio_output(AT91_PIO_PORTE, 14, 1); +} + +int board_early_init_f(void) +{ + at91_periph_clk_enable(ATMEL_ID_PIOA); + at91_periph_clk_enable(ATMEL_ID_PIOB); + at91_periph_clk_enable(ATMEL_ID_PIOC); + at91_periph_clk_enable(ATMEL_ID_PIOD); + at91_periph_clk_enable(ATMEL_ID_PIOE); + + at91_seriald_hw_init(); + + return 0; +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + wb50n_nand_hw_init(); + + at91_macb_hw_init(); + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + /* rx data delay */ + ksz9021_phy_extended_write(phydev, + MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x2222); + /* tx data delay */ + ksz9021_phy_extended_write(phydev, + MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x2222); + /* rx/tx clock delay */ + ksz9021_phy_extended_write(phydev, + MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf2f4); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; + + rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); + + return rc; +} + +#ifdef CONFIG_BOARD_LATE_INIT +#include <linux/ctype.h> +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + const char *LAIRD_NAME = "lrd_name"; + char name[32], *p; + + strcpy(name, get_cpu_name()); + for (p = name; *p != '\0'; *p = tolower(*p), p++) + ; + strcat(name, "-wb50n"); + env_set(LAIRD_NAME, name); + +#endif + + return 0; +} +#endif + +/* SPL */ +#ifdef CONFIG_SPL_BUILD +void spl_board_init(void) +{ + wb50n_nand_hw_init(); +} + +static void ddr2_conf(struct atmel_mpddrc_config *ddr2) +{ + ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_LPDDR_SDRAM); + + ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_9 | + ATMEL_MPDDRC_CR_NR_ROW_13 | + ATMEL_MPDDRC_CR_CAS_DDR_CAS3 | + ATMEL_MPDDRC_CR_NDQS_DISABLED | + ATMEL_MPDDRC_CR_DECOD_INTERLEAVED | + ATMEL_MPDDRC_CR_UNAL_SUPPORTED); + + ddr2->rtr = 0x411; + + ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | + 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | + 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); + + ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | + 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | + 19 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | + 18 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); + + ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET | + 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | + 3 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | + 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | + 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); +} + +void mem_init(void) +{ + struct atmel_sfr *sfr = (struct atmel_sfr *)ATMEL_BASE_SFR; + struct atmel_mpddrc_config ddr2; + + ddr2_conf(&ddr2); + + writel(ATMEL_SFR_DDRCFG_FDQIEN | ATMEL_SFR_DDRCFG_FDQSIEN, + &sfr->ddrcfg); + + /* enable MPDDR clock */ + at91_periph_clk_enable(ATMEL_ID_MPDDRC); + at91_system_clk_enable(AT91_PMC_DDR); + + /* DDRAM2 Controller initialize */ + ddr2_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddr2); +} + +void at91_pmc_init(void) +{ + u32 tmp; + + tmp = AT91_PMC_PLLAR_29 | + AT91_PMC_PLLXR_PLLCOUNT(0x3f) | + AT91_PMC_PLLXR_MUL(43) | AT91_PMC_PLLXR_DIV(1); + at91_plla_init(tmp); + + at91_pllicpr_init(AT91_PMC_IPLL_PLLA(0x3)); + + tmp = AT91_PMC_MCKR_MDIV_4 | AT91_PMC_MCKR_CSS_PLLA; + at91_mck_init(tmp); +} +#endif diff --git a/configs/wb50n_defconfig b/configs/wb50n_defconfig new file mode 100644 index 0000000..1f3e41e --- /dev/null +++ b/configs/wb50n_defconfig @@ -0,0 +1,30 @@ +CONFIG_ARM=y +CONFIG_ARCH_AT91=y +CONFIG_TARGET_WB50N=y +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL_NAND_SUPPORT=y +CONFIG_FIT=y +CONFIG_SYS_EXTRA_OPTIONS="SAMA5D3,SYS_USE_NANDFLASH" +CONFIG_BOOTDELAY=3 +CONFIG_SPL=y +CONFIG_HUSH_PARSER=y +CONFIG_CMD_BOOTZ=y +CONFIG_CMD_MEMTEST=y +# CONFIG_CMD_FLASH is not set +# CONFIG_CMD_FPGA is not set +# CONFIG_CMD_LOADS is not set +CONFIG_CMD_NAND=y +CONFIG_CMD_NAND_TRIMFFS=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y +CONFIG_ENV_IS_IN_NAND=y +CONFIG_PHYLIB=y +CONFIG_PHY_MICREL=y +CONFIG_PHY_MICREL_KSZ90X1=y +CONFIG_NETDEVICES=y +CONFIG_LZMA=y +CONFIG_OF_LIBFDT=y diff --git a/include/configs/wb50n.h b/include/configs/wb50n.h new file mode 100644 index 0000000..4ab81c8 --- /dev/null +++ b/include/configs/wb50n.h @@ -0,0 +1,139 @@ +/* + * Configuation settings for the WB50N CPU Module. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <asm/hardware.h> + +#define CONFIG_SYS_TEXT_BASE 0x23f00000 + +/* ARM asynchronous clock */ +#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 +#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ + +#define CONFIG_ARCH_CPU_INIT + +#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG + +#ifndef CONFIG_SPL_BUILD +#define CONFIG_SKIP_LOWLEVEL_INIT +#endif + +#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG +#define CONFIG_IMAGE_FORMAT_LEGACY + +/* general purpose I/O */ +#define CONFIG_AT91_GPIO + +/* serial console */ +#define CONFIG_ATMEL_USART +#define CONFIG_USART_BASE ATMEL_BASE_DBGU +#define CONFIG_USART_ID ATMEL_ID_DBGU + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME + +/* SDRAM */ +#define CONFIG_NR_DRAM_BANKS 1 +#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_DDRCS +#define CONFIG_SYS_SDRAM_SIZE 0x04000000 + +#ifdef CONFIG_SPL_BUILD +#define CONFIG_SYS_INIT_SP_ADDR 0x310000 +#else +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE) +#endif + +#define CONFIG_SYS_MEMTEST_START 0x21000000 +#define CONFIG_SYS_MEMTEST_END 0x22000000 +#define CONFIG_SYS_ALT_MEMTEST + +/* NAND flash */ +#define CONFIG_NAND_ATMEL +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 +/* our ALE is AD21 */ +#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) +/* our CLE is AD22 */ +#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) +#define CONFIG_SYS_NAND_ONFI_DETECTION +/* PMECC & PMERRLOC */ +#define CONFIG_ATMEL_NAND_HWECC +#define CONFIG_ATMEL_NAND_HW_PMECC +#define CONFIG_PMECC_CAP 8 +#define CONFIG_PMECC_SECTOR_SIZE 512 + +/* Ethernet Hardware */ +#define CONFIG_MACB +#define CONFIG_RMII +#define CONFIG_NET_RETRY_COUNT 20 +#define CONFIG_MACB_SEARCH_PHY +#define CONFIG_RGMII +#define CONFIG_ETHADDR C0:EE:40:00:00:00 +#define CONFIG_ENV_OVERWRITE 1 + +#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "autoload=no\0" \ + "autostart=no\0" + +/* bootstrap + u-boot + env in nandflash */ +#define CONFIG_ENV_OFFSET 0xA0000 +#define CONFIG_ENV_OFFSET_REDUND 0xC0000 +#define CONFIG_ENV_SIZE 0x20000 +#define CONFIG_BOOTCOMMAND \ + "nand read 0x22000000 0x000e0000 0x500000; " \ + "bootm" + +#define CONFIG_BOOTARGS \ + "rw rootfstype=ubifs ubi.mtd=6 root=ubi0:rootfs" + +#define CONFIG_BAUDRATE 115200 + +#define CONFIG_SYS_CBSIZE 1024 +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_SYS_LONGHELP +#define CONFIG_CMDLINE_EDITING +#define CONFIG_AUTO_COMPLETE + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (2 * 1024 * 1024) + +/* SPL */ +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_TEXT_BASE 0x300000 +#define CONFIG_SPL_MAX_SIZE 0x10000 +#define CONFIG_SPL_BSS_START_ADDR 0x20000000 +#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 +#define CONFIG_SYS_SPL_MALLOC_START 0x20080000 +#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 + +#define CONFIG_SYS_MONITOR_LEN (512 << 10) + +#define CONFIG_SPL_NAND_DRIVERS +#define CONFIG_SPL_NAND_BASE +#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 +#define CONFIG_SYS_NAND_5_ADDR_CYCLE +#define CONFIG_SYS_NAND_PAGE_SIZE 0x800 +#define CONFIG_SYS_NAND_PAGE_COUNT 64 +#define CONFIG_SYS_NAND_OOBSIZE 64 +#define CONFIG_SYS_NAND_BLOCK_SIZE 0x20000 +#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0x0 +#define CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER + +#endif