board: laird: add WB50N CPU module

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>
This commit is contained in:
Ben Whitten 2017-11-23 13:47:48 +00:00 committed by Tom Rini
parent 5aaef60077
commit b2e01ff543
7 changed files with 407 additions and 0 deletions

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@ -241,6 +241,13 @@ 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
@ -276,6 +283,7 @@ 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

12
board/laird/wb50n/Kconfig Normal file
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@ -0,0 +1,12 @@
if TARGET_WB50N
config SYS_BOARD
default "wb50n"
config SYS_VENDOR
default "laird"
config SYS_CONFIG_NAME
default "wb50n"
endif

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@ -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

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@ -0,0 +1,6 @@
#
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += wb50n.o

206
board/laird/wb50n/wb50n.c Normal file
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@ -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

30
configs/wb50n_defconfig Normal file
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@ -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

139
include/configs/wb50n.h Normal file
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@ -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