ARM: mxs: Add PPC-AG BG0900 board

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>

5 files changed, 355 insertions, 0 deletions

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..06612fa
--- /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 2461d3b..cec154b 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__ */