This board supports FEC Ethernet, SPI NOR and NAND flash.
Signed-off-by: Marek Vasut marex@denx.de Cc: Stefano Babic sbabic@denx.de Cc: Christoph Baumann c.baumann@ppc-ag.de --- board/ppcag/bg0900/Makefile | 31 ++++++++++ board/ppcag/bg0900/bg0900.c | 86 ++++++++++++++++++++++++++ board/ppcag/bg0900/spl_boot.c | 140 ++++++++++++++++++++++++++++++++++++++++++ boards.cfg | 1 + include/configs/bg0900.h | 97 +++++++++++++++++++++++++++++ 5 files changed, 355 insertions(+) create mode 100644 board/ppcag/bg0900/Makefile create mode 100644 board/ppcag/bg0900/bg0900.c create mode 100644 board/ppcag/bg0900/spl_boot.c create mode 100644 include/configs/bg0900.h
diff --git a/board/ppcag/bg0900/Makefile b/board/ppcag/bg0900/Makefile new file mode 100644 index 0000000..e17c0a5 --- /dev/null +++ b/board/ppcag/bg0900/Makefile @@ -0,0 +1,31 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +ifndef CONFIG_SPL_BUILD +COBJS := bg0900.o +else +COBJS := spl_boot.o +endif + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/ppcag/bg0900/bg0900.c b/board/ppcag/bg0900/bg0900.c new file mode 100644 index 0000000..14d84a4 --- /dev/null +++ b/board/ppcag/bg0900/bg0900.c @@ -0,0 +1,86 @@ +/* + * PPC-AG BG0900 board + * + * Copyright (C) 2013 Marek Vasut marex@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux-mx28.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> +#include <linux/mii.h> +#include <miiphy.h> +#include <netdev.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Functions + */ +int board_early_init_f(void) +{ + /* IO0 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK0, 480000); + /* IO1 clock at 480MHz */ + mxs_set_ioclk(MXC_IOCLK1, 480000); + + /* SSP2 clock at 160MHz */ + mxs_set_sspclk(MXC_SSPCLK2, 160000, 0); + + return 0; +} + +int dram_init(void) +{ + return mxs_dram_init(); +} + +int board_init(void) +{ + /* Adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +#ifdef CONFIG_CMD_NET +int board_eth_init(bd_t *bis) +{ + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct eth_device *dev; + int ret; + + ret = cpu_eth_init(bis); + + /* BG0900 uses ENET_CLK PAD to drive FEC clock */ + writel(CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN, + &clkctrl_regs->hw_clkctrl_enet); + + /* Reset FEC PHYs */ + gpio_direction_output(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 0); + udelay(200); + gpio_set_value(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 1); + + ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE); + if (ret) { + puts("FEC MXS: Unable to init FEC0\n"); + return ret; + } + + dev = eth_get_dev_by_name("FEC0"); + if (!dev) { + puts("FEC MXS: Unable to get FEC0 device entry\n"); + return -EINVAL; + } + + return ret; +} + +#endif diff --git a/board/ppcag/bg0900/spl_boot.c b/board/ppcag/bg0900/spl_boot.c new file mode 100644 index 0000000..2616e1f --- /dev/null +++ b/board/ppcag/bg0900/spl_boot.c @@ -0,0 +1,140 @@ +/* + * PPC-AG BG0900 Boot setup + * + * Copyright (C) 2013 Marek Vasut marex@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <config.h> +#include <asm/io.h> +#include <asm/arch/iomux-mx28.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> + +#define MUX_CONFIG_GPMI (MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL) +#define MUX_CONFIG_ENET (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) +#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) +#define MUX_CONFIG_SSP2 (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP) + +const iomux_cfg_t iomux_setup[] = { + /* DUART */ + MX28_PAD_PWM0__DUART_RX, + MX28_PAD_PWM1__DUART_TX, + + /* GPMI NAND */ + MX28_PAD_GPMI_D00__GPMI_D0 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D01__GPMI_D1 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D02__GPMI_D2 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D03__GPMI_D3 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D04__GPMI_D4 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D05__GPMI_D5 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D06__GPMI_D6 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_D07__GPMI_D7 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_CE0N__GPMI_CE0N | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_RDY0__GPMI_READY0 | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_RDN__GPMI_RDN | + (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), + MX28_PAD_GPMI_WRN__GPMI_WRN | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_ALE__GPMI_ALE | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_CLE__GPMI_CLE | MUX_CONFIG_GPMI, + MX28_PAD_GPMI_RESETN__GPMI_RESETN | MUX_CONFIG_GPMI, + + /* FEC0 */ + MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET, + MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET, + MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET, + MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET, + + /* FEC0 Reset */ + MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + + /* EMI */ + MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI, + MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI, + + MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI, + MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI, + MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI, + MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI, + MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI, + MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI, + + /* SPI2 (for SPI flash) */ + MX28_PAD_SSP2_SCK__SSP2_SCK | MUX_CONFIG_SSP2, + MX28_PAD_SSP2_MOSI__SSP2_CMD | MUX_CONFIG_SSP2, + MX28_PAD_SSP2_MISO__SSP2_D0 | MUX_CONFIG_SSP2, + MX28_PAD_SSP2_SS0__SSP2_D3 | + (MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP), +}; + +void mxs_adjust_memory_params(uint32_t *dram_vals) +{ + dram_vals[0x98 / 4] = 0x04005003; + dram_vals[0x9c / 4] = 0x090000c8; + + dram_vals[0xa8 / 4] = 0x0036b009; + dram_vals[0xac / 4] = 0x03270612; + + dram_vals[0xb0 / 4] = 0x02020202; + dram_vals[0xb4 / 4] = 0x00c80029; + + dram_vals[0xc0 / 4] = 0x00011900; + + dram_vals[0x12c / 4] = 0x07400300; + dram_vals[0x130 / 4] = 0x07400300; + dram_vals[0x2c4 / 4] = 0x02030303; +} + +void board_init_ll(const uint32_t arg, const uint32_t *resptr) +{ + mxs_common_spl_init(arg, resptr, iomux_setup, ARRAY_SIZE(iomux_setup)); +} diff --git a/boards.cfg b/boards.cfg index 80846c9..2c3ea79 100644 --- a/boards.cfg +++ b/boards.cfg @@ -207,6 +207,7 @@ Active arm arm926ejs mxs freescale mx28evk Active arm arm926ejs mxs freescale mx28evk mx28evk_auart_console mx28evk:MXS_AUART,MXS_AUART_BASE=MXS_UARTAPP3_BASE,ENV_IS_IN_MMC Fabio Estevam fabio.estevam@freescale.com Active arm arm926ejs mxs freescale mx28evk mx28evk_nand mx28evk:ENV_IS_IN_NAND Fabio Estevam fabio.estevam@freescale.com Active arm arm926ejs mxs olimex mx23_olinuxino mx23_olinuxino mx23_olinuxino Marek Vasut marek.vasut@gmail.com +Active arm arm926ejs mxs ppcag bg0900 bg0900 bg0900 Marek Vasut marex@denx.de Active arm arm926ejs mxs sandisk sansa_fuze_plus sansa_fuze_plus - Marek Vasut marek.vasut@gmail.com Active arm arm926ejs mxs schulercontrol sc_sps_1 sc_sps_1 - Marek Vasut marek.vasut@gmail.com Active arm arm926ejs nomadik st nhk8815 nhk8815 - Nomadik Linux Team STN_WMM_nomadik_linux@list.st.com:Alessandro Rubini rubini@unipv.it diff --git a/include/configs/bg0900.h b/include/configs/bg0900.h new file mode 100644 index 0000000..507d972 --- /dev/null +++ b/include/configs/bg0900.h @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2013 Marek Vasut marex@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __CONFIGS_BG0900_H__ +#define __CONFIGS_BG0900_H__ + +/* System configurations */ +#define CONFIG_MX28 /* i.MX28 SoC */ + +/* U-Boot Commands */ +#define CONFIG_SYS_NO_FLASH +#include <config_cmd_default.h> +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DOS_PARTITION + +#define CONFIG_CMD_BOOTZ +#define CONFIG_CMD_CACHE +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_GPIO +#define CONFIG_CMD_MII +#define CONFIG_CMD_NAND +#define CONFIG_CMD_NAND_TRIMFFS +#define CONFIG_CMD_NET +#define CONFIG_CMD_NFS +#define CONFIG_CMD_PING +#define CONFIG_CMD_SAVEENV +#define CONFIG_CMD_SETEXPR +#define CONFIG_CMD_SF +#define CONFIG_CMD_SPI + +/* Memory configuration */ +#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ +#define PHYS_SDRAM_1 0x40000000 /* Base address */ +#define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 + +/* Environment */ +#define CONFIG_ENV_SIZE (16 * 1024) +#define CONFIG_ENV_OVERWRITE +#define CONFIG_ENV_IS_NOWHERE + +/* FEC Ethernet on SoC */ +#ifdef CONFIG_CMD_NET +#define CONFIG_FEC_MXC +#define CONFIG_NET_MULTI +#endif + +/* SPI */ +#ifdef CONFIG_CMD_SPI +#define CONFIG_DEFAULT_SPI_BUS 2 +#define CONFIG_DEFAULT_SPI_CS 0 +#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 + +/* SPI FLASH */ +#ifdef CONFIG_CMD_SF +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_BAR +#define CONFIG_SPI_FLASH_STMICRO +#define CONFIG_SF_DEFAULT_BUS 2 +#define CONFIG_SF_DEFAULT_CS 0 +#define CONFIG_SF_DEFAULT_SPEED 40000000 +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 + +#define CONFIG_ENV_SPI_BUS 2 +#define CONFIG_ENV_SPI_CS 0 +#define CONFIG_ENV_SPI_MAX_HZ 40000000 +#define CONFIG_ENV_SPI_MODE SPI_MODE_0 +#endif + +#endif + +/* Boot Linux */ +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_BOOTARGS "console=ttyAMA0,115200" +#define CONFIG_BOOTCOMMAND "bootm" +#define CONFIG_LOADADDR 0x42000000 +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR + +/* Extra Environment */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "update_spi_firmware_filename=u-boot.sb\0" \ + "update_spi_firmware_maxsz=0x80000\0" \ + "update_spi_firmware=" /* Update the SPI flash firmware */ \ + "if sf probe 2:0 ; then " \ + "if tftp ${update_spi_firmware_filename} ; then " \ + "sf erase 0x0 +${filesize} ; " \ + "sf write ${loadaddr} 0x0 ${filesize} ; " \ + "fi ; " \ + "fi\0" + +/* The rest of the configuration is shared */ +#include <configs/mxs.h> + +#endif /* __CONFIGS_BG0900_H__ */