[U-Boot] [PATCH v5 2/3] apf27: add support for the armadeus APF27 board
Philippe Reynes
tremyfr at yahoo.fr
Tue Aug 27 19:12:32 CEST 2013
Signed-off-by: Philippe Reynes <tremyfr at yahoo.fr>
Signed-off-by: Eric Jarrige <eric.jarrige at armadeus.org>
Signed-off-by: Nicolas Colombain <nicolas.colombain at armadeus.com>
---
MAINTAINERS | 5 +
board/armadeus/apf27/Makefile | 30 ++
board/armadeus/apf27/apf27.c | 252 +++++++++++++++++
board/armadeus/apf27/apf27.h | 489 ++++++++++++++++++++++++++++++++++
board/armadeus/apf27/lowlevel_init.S | 168 ++++++++++++
boards.cfg | 1 +
include/configs/apf27.h | 374 ++++++++++++++++++++++++++
7 files changed, 1319 insertions(+), 0 deletions(-)
create mode 100644 board/armadeus/apf27/Makefile
create mode 100644 board/armadeus/apf27/apf27.c
create mode 100644 board/armadeus/apf27/apf27.h
create mode 100644 board/armadeus/apf27/lowlevel_init.S
create mode 100644 include/configs/apf27.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 0a900dc..abf8380 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -716,6 +716,11 @@ Ilko Iliev <iliev at ronetix.at>
PM9263 AT91SAM9263
PM9G45 ARM926EJS (AT91SAM9G45 SoC)
+Eric Jarrige <eric.jarrige at armadeus.org>
+Philippe Reynes <tremyfr at yahoo.fr>
+
+ apf27 ARM926EJS (i.MX27 SoC)
+
Michael Jones <michael.jones at matrix-vision.de>
omap3_mvblx ARM ARMV7 (OMAP3xx SoC)
diff --git a/board/armadeus/apf27/Makefile b/board/armadeus/apf27/Makefile
new file mode 100644
index 0000000..ec0cb03
--- /dev/null
+++ b/board/armadeus/apf27/Makefile
@@ -0,0 +1,30 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+# (C) Copyright 2012-2013
+# Eric Jarrige <eric.jarrige at armadeus.org>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS := apf27.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(COBJS:.o=.c) $(SOBJS:.o=.S)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+#########################################################################
+
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/armadeus/apf27/apf27.c b/board/armadeus/apf27/apf27.c
new file mode 100644
index 0000000..98c51a7
--- /dev/null
+++ b/board/armadeus/apf27/apf27.c
@@ -0,0 +1,252 @@
+/*
+ * Copyright (C) 2008-2013 Eric Jarrige <eric.jarrige at armadeus.org>
+ *
+ * based on the files by
+ * Sascha Hauer, Pengutronix
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <environment.h>
+#include <jffs2/jffs2.h>
+#include <nand.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
+#include <asm/errno.h>
+#include "apf27.h"
+#include "crc.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Fuse bank 1 row 8 is "reserved for future use" and therefore available for
+ * customer use. The APF27 board uses this fuse to store the board revision:
+ * 0: initial board revision
+ * 1: first revision - Presence of the second RAM chip on the board is blown in
+ * fuse bank 1 row 9 bit 0 - No hardware change
+ * N: to be defined
+ */
+static u32 get_board_rev(void)
+{
+ struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+
+ return readl(&iim->bank[1].fuse_regs[8]);
+}
+
+/*
+ * Fuse bank 1 row 9 is "reserved for future use" and therefore available for
+ * customer use. The APF27 board revision 1 uses the bit 0 to permanently store
+ * the presence of the second RAM chip
+ * 0: AFP27 with 1 RAM of 64 MiB
+ * 1: AFP27 with 2 RAM chips of 64 MiB each (128MB)
+ */
+static int get_num_ram_bank(void)
+{
+ struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+ int nr_dram_banks = 1;
+
+ if ((get_board_rev() > 0) && (CONFIG_NR_DRAM_BANKS > 1))
+ nr_dram_banks += readl(&iim->bank[1].fuse_regs[9]) & 0x01;
+ else
+ nr_dram_banks = CONFIG_NR_DRAM_POPULATED;
+
+ return nr_dram_banks;
+}
+
+static void apf27_port_init(int port, u32 gpio_dr, u32 ocr1, u32 ocr2,
+ u32 iconfa1, u32 iconfa2, u32 iconfb1, u32 iconfb2,
+ u32 icr1, u32 icr2, u32 imr, u32 gpio_dir, u32 gpr,
+ u32 puen, u32 gius)
+{
+ struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE;
+
+ writel(gpio_dr, ®s->port[port].gpio_dr);
+ writel(ocr1, ®s->port[port].ocr1);
+ writel(ocr2, ®s->port[port].ocr2);
+ writel(iconfa1, ®s->port[port].iconfa1);
+ writel(iconfa2, ®s->port[port].iconfa2);
+ writel(iconfb1, ®s->port[port].iconfb1);
+ writel(iconfb2, ®s->port[port].iconfb2);
+ writel(icr1, ®s->port[port].icr1);
+ writel(icr2, ®s->port[port].icr2);
+ writel(imr, ®s->port[port].imr);
+ writel(gpio_dir, ®s->port[port].gpio_dir);
+ writel(gpr, ®s->port[port].gpr);
+ writel(puen, ®s->port[port].puen);
+ writel(gius, ®s->port[port].gius);
+}
+
+#define APF27_PORT_INIT(n) apf27_port_init(PORT##n, ACFG_DR_##n##_VAL, \
+ ACFG_OCR1_##n##_VAL, ACFG_OCR2_##n##_VAL, ACFG_ICFA1_##n##_VAL, \
+ ACFG_ICFA2_##n##_VAL, ACFG_ICFB1_##n##_VAL, ACFG_ICFB2_##n##_VAL, \
+ ACFG_ICR1_##n##_VAL, ACFG_ICR2_##n##_VAL, ACFG_IMR_##n##_VAL, \
+ ACFG_DDIR_##n##_VAL, ACFG_GPR_##n##_VAL, ACFG_PUEN_##n##_VAL, \
+ ACFG_GIUS_##n##_VAL)
+
+static void apf27_iomux_init(void)
+{
+ APF27_PORT_INIT(A);
+ APF27_PORT_INIT(B);
+ APF27_PORT_INIT(C);
+ APF27_PORT_INIT(D);
+ APF27_PORT_INIT(E);
+ APF27_PORT_INIT(F);
+}
+
+static int apf27_devices_init(void)
+{
+ struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE;
+ int i;
+ unsigned int mode[] = {
+ PC5_PF_I2C2_DATA,
+ PC6_PF_I2C2_CLK,
+ PD17_PF_I2C_DATA,
+ PD18_PF_I2C_CLK,
+ };
+
+ for (i = 0; i < ARRAY_SIZE(mode); i++)
+ imx_gpio_mode(mode[i]);
+
+#ifdef CONFIG_MXC_UART
+ mx27_uart1_init_pins();
+#endif
+
+#ifdef CONFIG_FEC_MXC
+ mx27_fec_init_pins();
+#endif
+
+#ifdef CONFIG_MXC_MMC
+ mx27_sd2_init_pins();
+ imx_gpio_mode((GPIO_PORTF | GPIO_OUT | GPIO_PUEN | GPIO_GPIO | 16));
+ gpio_request(PC_PWRON, "pc_pwron");
+ gpio_set_value(PC_PWRON, 1);
+#endif
+#if defined(CONFIG_I2C_MXC) && defined(CONFIG_I2C_MULTI_BUS)
+ bus_i2c_init(IMX_I2C1_BASE, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE,
+ NULL, NULL);
+ bus_i2c_init(IMX_I2C2_BASE, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE,
+ NULL, NULL);
+#endif
+ return 0;
+}
+
+static void apf27_setup_csx(void)
+{
+ struct weim_regs *weim = (struct weim_regs *)IMX_WEIM_BASE;
+
+ writel(ACFG_CS0U_VAL, &weim->cs0u);
+ writel(ACFG_CS0L_VAL, &weim->cs0l);
+ writel(ACFG_CS0A_VAL, &weim->cs0a);
+
+ writel(ACFG_CS1U_VAL, &weim->cs1u);
+ writel(ACFG_CS1L_VAL, &weim->cs1l);
+ writel(ACFG_CS1A_VAL, &weim->cs1a);
+
+ writel(ACFG_CS2U_VAL, &weim->cs2u);
+ writel(ACFG_CS2L_VAL, &weim->cs2l);
+ writel(ACFG_CS2A_VAL, &weim->cs2a);
+
+ writel(ACFG_CS3U_VAL, &weim->cs3u);
+ writel(ACFG_CS3L_VAL, &weim->cs3l);
+ writel(ACFG_CS3A_VAL, &weim->cs3a);
+
+ writel(ACFG_CS4U_VAL, &weim->cs4u);
+ writel(ACFG_CS4L_VAL, &weim->cs4l);
+ writel(ACFG_CS4A_VAL, &weim->cs4a);
+
+ writel(ACFG_CS5U_VAL, &weim->cs5u);
+ writel(ACFG_CS5L_VAL, &weim->cs5l);
+ writel(ACFG_CS5A_VAL, &weim->cs5a);
+
+ writel(ACFG_EIM_VAL, &weim->eim);
+}
+
+static void apf27_setup_port(void)
+{
+ struct system_control_regs *system =
+ (struct system_control_regs *)IMX_SYSTEM_CTL_BASE;
+
+ writel(ACFG_FMCR_VAL, &system->fmcr);
+}
+
+int board_init(void)
+{
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ apf27_setup_csx();
+ apf27_setup_port();
+ apf27_iomux_init();
+ apf27_devices_init();
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ /* dram_init must store complete ramsize in gd->ram_size */
+ if (get_num_ram_bank() > 1) {
+ gd->ram_size = PHYS_SDRAM_2 - CONFIG_SYS_SDRAM_BASE
+ + get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
+ } else {
+ gd->ram_size = get_ram_size((void *)PHYS_SDRAM_1,
+ PHYS_SDRAM_1_SIZE);
+ }
+
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ phys_size_t ramsize = gd->ram_size;
+
+ if (get_num_ram_bank() > 1)
+ ramsize -= PHYS_SDRAM_2 - CONFIG_SYS_SDRAM_BASE;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = ramsize;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+ if (get_num_ram_bank() > 1)
+ gd->bd->bi_dram[1].size = ramsize;
+ else
+ gd->bd->bi_dram[1].size = 0;
+ gd->ram_size = gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size;
+}
+
+int checkboard(void)
+{
+ printf("Board: Armadeus APF27 revision %d\n", get_board_rev());
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+inline void hang(void)
+{
+ for (;;)
+ ;
+}
+
+void board_init_f(ulong bootflag)
+{
+ /*
+ * copy ourselves from where we are running to where we were
+ * linked at. Use ulong pointers as all addresses involved
+ * are 4-byte-aligned.
+ */
+ ulong *start_ptr, *end_ptr, *link_ptr, *run_ptr, *dst;
+ asm volatile ("ldr %0, =_start" : "=r"(start_ptr));
+ asm volatile ("ldr %0, =_end" : "=r"(end_ptr));
+ asm volatile ("ldr %0, =board_init_f" : "=r"(link_ptr));
+ asm volatile ("adr %0, board_init_f" : "=r"(run_ptr));
+ for (dst = start_ptr; dst < end_ptr; dst++)
+ *dst = *(dst+(run_ptr-link_ptr));
+
+ /*
+ * branch to nand_boot's link-time address.
+ */
+ asm volatile("ldr pc, =nand_boot");
+}
+#endif /* CONFIG_SPL_BUILD */
diff --git a/board/armadeus/apf27/apf27.h b/board/armadeus/apf27/apf27.h
new file mode 100644
index 0000000..64e7e4d
--- /dev/null
+++ b/board/armadeus/apf27/apf27.h
@@ -0,0 +1,489 @@
+/*
+ * Copyright (C) 2008-2013 Eric Jarrige <eric.jarrige at armadeus.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __APF27_H
+#define __APF27_H
+
+/* FPGA program pin configuration */
+#define ACFG_FPGA_PWR (GPIO_PORTF | 19) /* FPGA prog pin */
+#define ACFG_FPGA_PRG (GPIO_PORTF | 11) /* FPGA prog pin */
+#define ACFG_FPGA_CLK (GPIO_PORTF | 15) /* FPGA clk pin */
+#define ACFG_FPGA_RDATA 0xD6000000 /* FPGA data addr */
+#define ACFG_FPGA_WDATA 0xD6000000 /* FPGA data addr */
+#define ACFG_FPGA_INIT (GPIO_PORTF | 12) /* FPGA init pin */
+#define ACFG_FPGA_DONE (GPIO_PORTF | 9) /* FPGA done pin */
+#define ACFG_FPGA_RW (GPIO_PORTF | 21) /* FPGA done pin */
+#define ACFG_FPGA_CS (GPIO_PORTF | 22) /* FPGA done pin */
+#define ACFG_FPGA_SUSPEND (GPIO_PORTF | 10) /* FPGA done pin */
+#define ACFG_FPGA_RESET (GPIO_PORTF | 7) /* FPGA done pin */
+
+/* MMC pin */
+#define PC_PWRON (GPIO_PORTF | 16)
+
+/*
+ * MPU CLOCK source before PLL
+ * ACFG_CLK_FREQ (2/3 MPLL clock or ext 266 MHZ)
+ */
+#define ACFG_MPCTL0_VAL 0x01EF15D5 /* 399.000 MHz */
+#define ACFG_MPCTL1_VAL 0
+#define CONFIG_MPLL_FREQ 399
+
+#define ACFG_CLK_FREQ (CONFIG_MPLL_FREQ*2/3) /* 266 MHz */
+
+/* Serial clock source before PLL (should be named ACFG_SYSPLL_CLK_FREQ)*/
+#define ACFG_SPCTL0_VAL 0x0475206F /* 299.99937 MHz */
+#define ACFG_SPCTL1_VAL 0
+#define CONFIG_SPLL_FREQ 300 /* MHz */
+
+/* ARM bus frequency (have to be a CONFIG_MPLL_FREQ ratio) */
+#define CONFIG_ARM_FREQ 399 /* up to 400 MHz */
+
+/* external bus frequency (have to be a ACFG_CLK_FREQ ratio) */
+#define CONFIG_HCLK_FREQ 133 /* (ACFG_CLK_FREQ/2) */
+
+#define CONFIG_PERIF1_FREQ 16 /* 16.625 MHz UART, GPT, PWM */
+#define CONFIG_PERIF2_FREQ 33 /* 33.25 MHz CSPI and SDHC */
+#define CONFIG_PERIF3_FREQ 33 /* 33.25 MHz LCD */
+#define CONFIG_PERIF4_FREQ 33 /* 33.25 MHz CSI */
+#define CONFIG_SSI1_FREQ 66 /* 66.50 MHz SSI1 */
+#define CONFIG_SSI2_FREQ 66 /* 66.50 MHz SSI2 */
+#define CONFIG_MSHC_FREQ 66 /* 66.50 MHz MSHC */
+#define CONFIG_H264_FREQ 66 /* 66.50 MHz H264 */
+#define CONFIG_CLK0_DIV 3 /* Divide CLK0 by 4 */
+#define CONFIG_CLK0_EN 1 /* CLK0 enabled */
+
+/* external bus frequency (have to be a CONFIG_HCLK_FREQ ratio) */
+#define CONFIG_NFC_FREQ 44 /* NFC Clock up to 44 MHz wh 133MHz */
+
+/* external serial bus frequency (have to be a CONFIG_SPLL_FREQ ratio) */
+#define CONFIG_USB_FREQ 60 /* 60 MHz */
+
+/*
+ * SDRAM
+ */
+#if (ACFG_SDRAM_MBYTE_SYZE == 64) /* micron MT46H16M32LF -6 */
+/* micron 64MB */
+#define ACFG_SDRAM_NUM_COL 9 /* 8, 9, 10 or 11
+ * column address bits
+ */
+#define ACFG_SDRAM_NUM_ROW 13 /* 11, 12 or 13
+ * row address bits
+ */
+#define ACFG_SDRAM_REFRESH 3 /* 0=OFF 1=2048
+ * 2=4096 3=8192 refresh
+ */
+#define ACFG_SDRAM_EXIT_PWD 25 /* ns exit power
+ * down delay
+ */
+#define ACFG_SDRAM_W2R_DELAY 1 /* write to read
+ * cycle delay > 0
+ */
+#define ACFG_SDRAM_ROW_PRECHARGE_DELAY 18 /* ns */
+#define ACFG_SDRAM_TMRD_DELAY 2 /* Load mode register
+ * cycle delay 1..4
+ */
+#define ACFG_SDRAM_TWR_DELAY 1 /* LPDDR: 0=2ck 1=3ck
+ * SDRAM: 0=1ck 1=2ck
+ */
+#define ACFG_SDRAM_RAS_DELAY 42 /* ns ACTIVE-to-PRECHARGE delay */
+#define ACFG_SDRAM_RRD_DELAY 12 /* ns ACTIVE-to-ACTIVE delay */
+#define ACFG_SDRAM_RCD_DELAY 18 /* ns Row to Column delay */
+#define ACFG_SDRAM_RC_DELAY 70 /* ns Row cycle delay (tRFC
+ * refresh to command)
+ */
+#define ACFG_SDRAM_CLOCK_CYCLE_CL_1 0 /* ns clock cycle time
+ * estimated fo CL=1
+ * 0=force 3 for lpddr
+ */
+#define ACFG_SDRAM_PARTIAL_ARRAY_SR 0 /* 0=full 1=half 2=quater
+ * 3=Eighth 4=Sixteenth
+ */
+#define ACFG_SDRAM_DRIVE_STRENGH 0 /* 0=Full-strength 1=half
+ * 2=quater 3=Eighth
+ */
+#define ACFG_SDRAM_BURST_LENGTH 3 /* 2^N BYTES (N=0..3) */
+#define ACFG_SDRAM_SINGLE_ACCESS 0 /* 1= single access
+ * 0 = Burst mode
+ */
+#endif
+
+#if (ACFG_SDRAM_MBYTE_SYZE == 128)
+/* micron 128MB */
+#define ACFG_SDRAM_NUM_COL 9 /* 8, 9, 10 or 11
+ * column address bits
+ */
+#define ACFG_SDRAM_NUM_ROW 14 /* 11, 12 or 13
+ * row address bits
+ */
+#define ACFG_SDRAM_REFRESH 3 /* 0=OFF 1=2048
+ * 2=4096 3=8192 refresh
+ */
+#define ACFG_SDRAM_EXIT_PWD 25 /* ns exit power
+ * down delay
+ */
+#define ACFG_SDRAM_W2R_DELAY 1 /* write to read
+ * cycle delay > 0
+ */
+#define ACFG_SDRAM_ROW_PRECHARGE_DELAY 18 /* ns */
+#define ACFG_SDRAM_TMRD_DELAY 2 /* Load mode register
+ * cycle delay 1..4
+ */
+#define ACFG_SDRAM_TWR_DELAY 1 /* LPDDR: 0=2ck 1=3ck
+ * SDRAM: 0=1ck 1=2ck
+ */
+#define ACFG_SDRAM_RAS_DELAY 42 /* ns ACTIVE-to-PRECHARGE delay */
+#define ACFG_SDRAM_RRD_DELAY 12 /* ns ACTIVE-to-ACTIVE delay */
+#define ACFG_SDRAM_RCD_DELAY 18 /* ns Row to Column delay */
+#define ACFG_SDRAM_RC_DELAY 70 /* ns Row cycle delay (tRFC
+ * refresh to command)
+ */
+#define ACFG_SDRAM_CLOCK_CYCLE_CL_1 0 /* ns clock cycle time
+ * estimated fo CL=1
+ * 0=force 3 for lpddr
+ */
+#define ACFG_SDRAM_PARTIAL_ARRAY_SR 0 /* 0=full 1=half 2=quater
+ * 3=Eighth 4=Sixteenth
+ */
+#define ACFG_SDRAM_DRIVE_STRENGH 0 /* 0=Full-strength 1=half
+ * 2=quater 3=Eighth
+ */
+#define ACFG_SDRAM_BURST_LENGTH 3 /* 2^N BYTES (N=0..3) */
+#define ACFG_SDRAM_SINGLE_ACCESS 0 /* 1= single access
+ * 0 = Burst mode
+ */
+#endif
+
+#if (ACFG_SDRAM_MBYTE_SYZE == 256)
+/* micron 256MB */
+#define ACFG_SDRAM_NUM_COL 10 /* 8, 9, 10 or 11
+ * column address bits
+ */
+#define ACFG_SDRAM_NUM_ROW 14 /* 11, 12 or 13
+ * row address bits
+ */
+#define ACFG_SDRAM_REFRESH 3 /* 0=OFF 1=2048
+ * 2=4096 3=8192 refresh
+ */
+#define ACFG_SDRAM_EXIT_PWD 25 /* ns exit power
+ * down delay
+ */
+#define ACFG_SDRAM_W2R_DELAY 1 /* write to read cycle
+ * delay > 0
+ */
+#define ACFG_SDRAM_ROW_PRECHARGE_DELAY 18 /* ns */
+#define ACFG_SDRAM_TMRD_DELAY 2 /* Load mode register
+ * cycle delay 1..4
+ */
+#define ACFG_SDRAM_TWR_DELAY 1 /* LPDDR: 0=2ck 1=3ck
+ * SDRAM: 0=1ck 1=2ck
+ */
+#define ACFG_SDRAM_RAS_DELAY 42 /* ns ACTIVE-to-PRECHARGE delay */
+#define ACFG_SDRAM_RRD_DELAY 12 /* ns ACTIVE-to-ACTIVE delay */
+#define ACFG_SDRAM_RCD_DELAY 18 /* ns Row to Column delay */
+#define ACFG_SDRAM_RC_DELAY 70 /* ns Row cycle delay (tRFC
+ * refresh to command)
+ */
+#define ACFG_SDRAM_CLOCK_CYCLE_CL_1 0 /* ns clock cycle time
+ * estimated fo CL=1
+ * 0=force 3 for lpddr
+ */
+#define ACFG_SDRAM_PARTIAL_ARRAY_SR 0 /* 0=full 1=half 2=quater
+ * 3=Eighth 4=Sixteenth
+ */
+#define ACFG_SDRAM_DRIVE_STRENGH 0 /* 0=Full-strength
+ * 1=half
+ * 2=quater
+ * 3=Eighth
+ */
+#define ACFG_SDRAM_BURST_LENGTH 3 /* 2^N BYTES (N=0..3) */
+#define ACFG_SDRAM_SINGLE_ACCESS 0 /* 1= single access
+ * 0 = Burst mode
+ */
+#endif
+
+/*
+ * External interface
+ */
+/*
+ * CSCRxU_VAL:
+ * 31| x | x | x x |x x x x| x x | x | x |x x x x|16
+ * |SP |WP | BCD | BCS | PSZ |PME|SYNC| DOL |
+ *
+ * 15| x x | x x x x x x | x | x x x x | x x x x |0
+ * | CNC | WSC |EW | WWS | EDC |
+ *
+ * CSCRxL_VAL:
+ * 31| x x x x | x x x x | x x x x | x x x x |16
+ * | OEA | OEN | EBWA | EBWN |
+ * 15|x x x x| x |x x x |x x x x| x | x | x | x | 0
+ * | CSA |EBC| DSZ | CSN |PSR|CRE|WRAP|CSEN|
+ *
+ * CSCRxA_VAL:
+ * 31| x x x x | x x x x | x x x x | x x x x |16
+ * | EBRA | EBRN | RWA | RWN |
+ * 15| x | x x |x x x|x x|x x|x x| x | x | x | x | 0
+ * |MUM| LAH | LBN |LBA|DWW|DCT|WWU|AGE|CNC2|FCE|
+ */
+
+/* CS0 configuration for 16 bit nor flash */
+#define ACFG_CS0U_VAL 0x0000CC03
+#define ACFG_CS0L_VAL 0xa0330D01
+#define ACFG_CS0A_VAL 0x00220800
+
+#define ACFG_CS1U_VAL 0x00000f00
+#define ACFG_CS1L_VAL 0x00000D01
+#define ACFG_CS1A_VAL 0
+
+#define ACFG_CS2U_VAL 0
+#define ACFG_CS2L_VAL 0
+#define ACFG_CS2A_VAL 0
+
+#define ACFG_CS3U_VAL 0
+#define ACFG_CS3L_VAL 0
+#define ACFG_CS3A_VAL 0
+
+#define ACFG_CS4U_VAL 0
+#define ACFG_CS4L_VAL 0
+#define ACFG_CS4A_VAL 0
+
+/* FPGA 16 bit data bus */
+#define ACFG_CS5U_VAL 0x00000600
+#define ACFG_CS5L_VAL 0x00000D01
+#define ACFG_CS5A_VAL 0
+
+#define ACFG_EIM_VAL 0x00002200
+
+
+/*
+ * FPGA specific settings
+ */
+
+/* CLKO */
+#define ACFG_CCSR_VAL 0x00000305
+/* drive strength CLKO set to 2 */
+#define ACFG_DSCR10_VAL 0x00020000
+/* drive strength A1..A12 set to 2 */
+#define ACFG_DSCR3_VAL 0x02AAAAA8
+/* drive strength ctrl */
+#define ACFG_DSCR7_VAL 0x00020880
+/* drive strength data */
+#define ACFG_DSCR2_VAL 0xAAAAAAAA
+
+
+/*
+ * Default configuration for GPIOs and peripherals
+ */
+#define ACFG_DDIR_A_VAL 0x00000000
+#define ACFG_OCR1_A_VAL 0x00000000
+#define ACFG_OCR2_A_VAL 0x00000000
+#define ACFG_ICFA1_A_VAL 0xFFFFFFFF
+#define ACFG_ICFA2_A_VAL 0xFFFFFFFF
+#define ACFG_ICFB1_A_VAL 0xFFFFFFFF
+#define ACFG_ICFB2_A_VAL 0xFFFFFFFF
+#define ACFG_DR_A_VAL 0x00000000
+#define ACFG_GIUS_A_VAL 0xFFFFFFFF
+#define ACFG_ICR1_A_VAL 0x00000000
+#define ACFG_ICR2_A_VAL 0x00000000
+#define ACFG_IMR_A_VAL 0x00000000
+#define ACFG_GPR_A_VAL 0x00000000
+#define ACFG_PUEN_A_VAL 0xFFFFFFFF
+
+#define ACFG_DDIR_B_VAL 0x00000000
+#define ACFG_OCR1_B_VAL 0x00000000
+#define ACFG_OCR2_B_VAL 0x00000000
+#define ACFG_ICFA1_B_VAL 0xFFFFFFFF
+#define ACFG_ICFA2_B_VAL 0xFFFFFFFF
+#define ACFG_ICFB1_B_VAL 0xFFFFFFFF
+#define ACFG_ICFB2_B_VAL 0xFFFFFFFF
+#define ACFG_DR_B_VAL 0x00000000
+#define ACFG_GIUS_B_VAL 0xFF3FFFF0
+#define ACFG_ICR1_B_VAL 0x00000000
+#define ACFG_ICR2_B_VAL 0x00000000
+#define ACFG_IMR_B_VAL 0x00000000
+#define ACFG_GPR_B_VAL 0x00000000
+#define ACFG_PUEN_B_VAL 0xFFFFFFFF
+
+#define ACFG_DDIR_C_VAL 0x00000000
+#define ACFG_OCR1_C_VAL 0x00000000
+#define ACFG_OCR2_C_VAL 0x00000000
+#define ACFG_ICFA1_C_VAL 0xFFFFFFFF
+#define ACFG_ICFA2_C_VAL 0xFFFFFFFF
+#define ACFG_ICFB1_C_VAL 0xFFFFFFFF
+#define ACFG_ICFB2_C_VAL 0xFFFFFFFF
+#define ACFG_DR_C_VAL 0x00000000
+#define ACFG_GIUS_C_VAL 0xFFFFC07F
+#define ACFG_ICR1_C_VAL 0x00000000
+#define ACFG_ICR2_C_VAL 0x00000000
+#define ACFG_IMR_C_VAL 0x00000000
+#define ACFG_GPR_C_VAL 0x00000000
+#define ACFG_PUEN_C_VAL 0xFFFFFF87
+
+#define ACFG_DDIR_D_VAL 0x00000000
+#define ACFG_OCR1_D_VAL 0x00000000
+#define ACFG_OCR2_D_VAL 0x00000000
+#define ACFG_ICFA1_D_VAL 0xFFFFFFFF
+#define ACFG_ICFA2_D_VAL 0xFFFFFFFF
+#define ACFG_ICFB1_D_VAL 0xFFFFFFFF
+#define ACFG_ICFB2_D_VAL 0xFFFFFFFF
+#define ACFG_DR_D_VAL 0x00000000
+#define ACFG_GIUS_D_VAL 0xFFFFFFFF
+#define ACFG_ICR1_D_VAL 0x00000000
+#define ACFG_ICR2_D_VAL 0x00000000
+#define ACFG_IMR_D_VAL 0x00000000
+#define ACFG_GPR_D_VAL 0x00000000
+#define ACFG_PUEN_D_VAL 0xFFFFFFFF
+
+#define ACFG_DDIR_E_VAL 0x00000000
+#define ACFG_OCR1_E_VAL 0x00000000
+#define ACFG_OCR2_E_VAL 0x00000000
+#define ACFG_ICFA1_E_VAL 0xFFFFFFFF
+#define ACFG_ICFA2_E_VAL 0xFFFFFFFF
+#define ACFG_ICFB1_E_VAL 0xFFFFFFFF
+#define ACFG_ICFB2_E_VAL 0xFFFFFFFF
+#define ACFG_DR_E_VAL 0x00000000
+#define ACFG_GIUS_E_VAL 0xFCFFCCF8
+#define ACFG_ICR1_E_VAL 0x00000000
+#define ACFG_ICR2_E_VAL 0x00000000
+#define ACFG_IMR_E_VAL 0x00000000
+#define ACFG_GPR_E_VAL 0x00000000
+#define ACFG_PUEN_E_VAL 0xFFFFFFFF
+
+#define ACFG_DDIR_F_VAL 0x00000000
+#define ACFG_OCR1_F_VAL 0x00000000
+#define ACFG_OCR2_F_VAL 0x00000000
+#define ACFG_ICFA1_F_VAL 0xFFFFFFFF
+#define ACFG_ICFA2_F_VAL 0xFFFFFFFF
+#define ACFG_ICFB1_F_VAL 0xFFFFFFFF
+#define ACFG_ICFB2_F_VAL 0xFFFFFFFF
+#define ACFG_DR_F_VAL 0x00000000
+#define ACFG_GIUS_F_VAL 0xFF7F8000
+#define ACFG_ICR1_F_VAL 0x00000000
+#define ACFG_ICR2_F_VAL 0x00000000
+#define ACFG_IMR_F_VAL 0x00000000
+#define ACFG_GPR_F_VAL 0x00000000
+#define ACFG_PUEN_F_VAL 0xFFFFFFFF
+
+/* Enforce DDR signal strengh & enable USB/PP/DMA burst override bits */
+#define ACFG_GPCR_VAL 0x0003000F
+
+#define ACFG_ESDMISC_VAL ESDMISC_LHD+ESDMISC_MDDREN
+
+/* FMCR select num LPDDR RAMs and nand 16bits, 2KB pages */
+#if (CONFIG_NR_DRAM_BANKS == 1)
+#define ACFG_FMCR_VAL 0xFFFFFFF9
+#elif (CONFIG_NR_DRAM_BANKS == 2)
+#define ACFG_FMCR_VAL 0xFFFFFFFB
+#endif
+
+#define ACFG_AIPI1_PSR0_VAL 0x20040304
+#define ACFG_AIPI1_PSR1_VAL 0xDFFBFCFB
+#define ACFG_AIPI2_PSR0_VAL 0x00000000
+#define ACFG_AIPI2_PSR1_VAL 0xFFFFFFFF
+
+/* PCCR enable DMA FEC I2C1 IIM SDHC1 */
+#define ACFG_PCCR0_VAL 0x05070410
+#define ACFG_PCCR1_VAL 0xA14A0608
+
+/*
+ * From here, there should not be any user configuration.
+ * All Equations are automatic
+ */
+
+/* fixme none integer value (7.5ns) => 2*hclock = 15ns */
+#define ACFG_2XHCLK_LGTH (2000/CONFIG_HCLK_FREQ) /* ns */
+
+/* USB 60 MHz ; ARM up to 400; HClK up to 133MHz*/
+#define CSCR_MASK 0x0300800D
+
+#define ACFG_CSCR_VAL \
+ (CSCR_MASK \
+ |((((CONFIG_SPLL_FREQ/CONFIG_USB_FREQ)-1)&0x07) << 28) \
+ |((((CONFIG_MPLL_FREQ/CONFIG_ARM_FREQ)-1)&0x03) << 12) \
+ |((((ACFG_CLK_FREQ/CONFIG_HCLK_FREQ)-1)&0x03) << 8))
+
+/* SSIx CLKO NFC H264 MSHC */
+#define ACFG_PCDR0_VAL\
+ (((((ACFG_CLK_FREQ/CONFIG_MSHC_FREQ)-1)&0x3F)<<0) \
+ |((((CONFIG_HCLK_FREQ/CONFIG_NFC_FREQ)-1)&0x0F)<<6) \
+ |(((((ACFG_CLK_FREQ/CONFIG_H264_FREQ)-2)*2)&0x3F)<<10)\
+ |(((((ACFG_CLK_FREQ/CONFIG_SSI1_FREQ)-2)*2)&0x3F)<<16)\
+ |(((CONFIG_CLK0_DIV)&0x07)<<22)\
+ |(((CONFIG_CLK0_EN)&0x01)<<25)\
+ |(((((ACFG_CLK_FREQ/CONFIG_SSI2_FREQ)-2)*2)&0x3F)<<26))
+
+/* PERCLKx */
+#define ACFG_PCDR1_VAL\
+ (((((ACFG_CLK_FREQ/CONFIG_PERIF1_FREQ)-1)&0x3F)<<0) \
+ |((((ACFG_CLK_FREQ/CONFIG_PERIF2_FREQ)-1)&0x3F)<<8) \
+ |((((ACFG_CLK_FREQ/CONFIG_PERIF3_FREQ)-1)&0x3F)<<16) \
+ |((((ACFG_CLK_FREQ/CONFIG_PERIF4_FREQ)-1)&0x3F)<<24))
+
+/* SDRAM controller programming Values */
+#if (((2*ACFG_SDRAM_CLOCK_CYCLE_CL_1) > (3*ACFG_2XHCLK_LGTH)) || \
+ (ACFG_SDRAM_CLOCK_CYCLE_CL_1 < 1))
+#define REG_FIELD_SCL_VAL 3
+#define REG_FIELD_SCLIMX_VAL 0
+#else
+#define REG_FIELD_SCL_VAL\
+ ((2*ACFG_SDRAM_CLOCK_CYCLE_CL_1+ACFG_2XHCLK_LGTH-1)/ \
+ ACFG_2XHCLK_LGTH)
+#define REG_FIELD_SCLIMX_VAL REG_FIELD_SCL_VAL
+#endif
+
+#if ((2*ACFG_SDRAM_RC_DELAY) > (16*ACFG_2XHCLK_LGTH))
+#define REG_FIELD_SRC_VAL 0
+#else
+#define REG_FIELD_SRC_VAL\
+ ((2*ACFG_SDRAM_RC_DELAY+ACFG_2XHCLK_LGTH-1)/ \
+ ACFG_2XHCLK_LGTH)
+#endif
+
+/* TBD Power down timer ; PRCT Bit Field Encoding; burst length 8 ; FP = 0*/
+#define REG_ESDCTL_BASE_CONFIG (0x80020485\
+ | (((ACFG_SDRAM_NUM_ROW-11)&0x7)<<24)\
+ | (((ACFG_SDRAM_NUM_COL-8)&0x3)<<20)\
+ | (((ACFG_SDRAM_REFRESH)&0x7)<<13))
+
+#define ACFG_NORMAL_RW_CMD ((0x0<<28)+REG_ESDCTL_BASE_CONFIG)
+#define ACFG_PRECHARGE_CMD ((0x1<<28)+REG_ESDCTL_BASE_CONFIG)
+#define ACFG_AUTOREFRESH_CMD ((0x2<<28)+REG_ESDCTL_BASE_CONFIG)
+#define ACFG_SET_MODE_REG_CMD ((0x3<<28)+REG_ESDCTL_BASE_CONFIG)
+
+/* ESDRAMC Configuration Registers : force CL=3 to lpddr */
+#define ACFG_SDRAM_ESDCFG_REGISTER_VAL (0x0\
+ | (((((2*ACFG_SDRAM_EXIT_PWD+ACFG_2XHCLK_LGTH-1)/ \
+ ACFG_2XHCLK_LGTH)-1)&0x3)<<21)\
+ | (((ACFG_SDRAM_W2R_DELAY-1)&0x1)<<20)\
+ | (((((2*ACFG_SDRAM_ROW_PRECHARGE_DELAY+ \
+ ACFG_2XHCLK_LGTH-1)/ACFG_2XHCLK_LGTH)-1)&0x3)<<18) \
+ | (((ACFG_SDRAM_TMRD_DELAY-1)&0x3)<<16)\
+ | (((ACFG_SDRAM_TWR_DELAY)&0x1)<<15)\
+ | (((((2*ACFG_SDRAM_RAS_DELAY+ACFG_2XHCLK_LGTH-1)/ \
+ ACFG_2XHCLK_LGTH)-1)&0x7)<<12) \
+ | (((((2*ACFG_SDRAM_RRD_DELAY+ACFG_2XHCLK_LGTH-1)/ \
+ ACFG_2XHCLK_LGTH)-1)&0x3)<<10) \
+ | (((REG_FIELD_SCLIMX_VAL)&0x3)<<8)\
+ | (((((2*ACFG_SDRAM_RCD_DELAY+ACFG_2XHCLK_LGTH-1)/ \
+ ACFG_2XHCLK_LGTH)-1)&0x7)<<4) \
+ | (((REG_FIELD_SRC_VAL)&0x0F)<<0))
+
+/* Issue Mode register Command to SDRAM */
+#define ACFG_SDRAM_MODE_REGISTER_VAL\
+ ((((ACFG_SDRAM_BURST_LENGTH)&0x7)<<(0))\
+ | (((REG_FIELD_SCL_VAL)&0x7)<<(4))\
+ | ((0)<<(3)) /* sequentiql access */ \
+ /*| (((ACFG_SDRAM_SINGLE_ACCESS)&0x1)<<(1))*/)
+
+/* Issue Extended Mode register Command to SDRAM */
+#define ACFG_SDRAM_EXT_MODE_REGISTER_VAL\
+ ((ACFG_SDRAM_PARTIAL_ARRAY_SR<<0)\
+ | (ACFG_SDRAM_DRIVE_STRENGH<<(5))\
+ | (1<<(ACFG_SDRAM_NUM_COL+ACFG_SDRAM_NUM_ROW+1+2)))
+
+/* Issue Precharge all Command to SDRAM */
+#define ACFG_SDRAM_PRECHARGE_ALL_VAL (1<<10)
+
+#endif /* __APF27_H */
diff --git a/board/armadeus/apf27/lowlevel_init.S b/board/armadeus/apf27/lowlevel_init.S
new file mode 100644
index 0000000..4293cb1
--- /dev/null
+++ b/board/armadeus/apf27/lowlevel_init.S
@@ -0,0 +1,168 @@
+/*
+ * (C) Copyright 2013 Philippe Reynes <tremyfr at yahoo.fr>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <generated/asm-offsets.h>
+#include <version.h>
+#include <asm/macro.h>
+#include <asm/arch/imx-regs.h>
+#include "apf27.h"
+
+ .macro init_aipi
+ /*
+ * setup AIPI1 and AIPI2
+ */
+ write32 AIPI1_PSR0, ACFG_AIPI1_PSR0_VAL
+ write32 AIPI1_PSR1, ACFG_AIPI1_PSR1_VAL
+ write32 AIPI2_PSR0, ACFG_AIPI2_PSR0_VAL
+ write32 AIPI2_PSR1, ACFG_AIPI2_PSR1_VAL
+
+ /* Change SDRAM signal strengh */
+ ldr r0, =GPCR
+ ldr r1, =ACFG_GPCR_VAL
+ ldr r5, [r0]
+ orr r5, r5, r1
+ str r5, [r0]
+
+ .endm /* init_aipi */
+
+ .macro init_clock
+ ldr r0, =CSCR
+ /* disable MPLL/SPLL first */
+ ldr r1, [r0]
+ bic r1, r1, #(CSCR_MPEN|CSCR_SPEN)
+ str r1, [r0]
+
+ /*
+ * pll clock initialization predefined in apf27.h
+ */
+ write32 MPCTL0, ACFG_MPCTL0_VAL
+ write32 SPCTL0, ACFG_SPCTL0_VAL
+
+ write32 CSCR, ACFG_CSCR_VAL|CSCR_MPLL_RESTART|CSCR_SPLL_RESTART
+
+ /*
+ * add some delay here
+ */
+ mov r1, #0x1000
+ 1: subs r1, r1, #0x1
+ bne 1b
+
+ /* peripheral clock divider */
+ write32 PCDR0, ACFG_PCDR0_VAL
+ write32 PCDR1, ACFG_PCDR1_VAL
+
+ /* Configure PCCR0 and PCCR1 */
+ write32 PCCR0, ACFG_PCCR0_VAL
+ write32 PCCR1, ACFG_PCCR1_VAL
+
+ .endm /* init_clock */
+
+ .macro init_ddr
+ /* wait for SDRAM/LPDDR ready (SDRAMRDY) */
+ ldr r0, =IMX_ESD_BASE
+ ldr r4, =ESDMISC_SDRAM_RDY
+2: ldr r1, [r0, #ESDMISC_ROF]
+ ands r1, r1, r4
+ bpl 2b
+
+ /* LPDDR Soft Reset Mobile/Low Power DDR SDRAM. */
+ ldr r0, =IMX_ESD_BASE
+ ldr r4, =ACFG_ESDMISC_VAL
+ orr r1, r4, #ESDMISC_MDDR_DL_RST
+ str r1, [r0, #ESDMISC_ROF]
+
+ /* Hold for more than 200ns */
+ ldr r1, =0x10000
+1: subs r1, r1, #0x1
+ bne 1b
+
+ str r4, [r0]
+
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_SDRAM_ESDCFG_REGISTER_VAL
+ str r1, [r0, #ESDCFG0_ROF]
+
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_PRECHARGE_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ /* write8(0xA0001000, any value) */
+ ldr r1, =PHYS_SDRAM_1+ACFG_SDRAM_PRECHARGE_ALL_VAL
+ strb r2, [r1]
+
+ ldr r1, =ACFG_AUTOREFRESH_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ ldr r4, =PHYS_SDRAM_1 /* CSD0 base address */
+
+ ldr r6,=0x7 /* load loop counter */
+1: str r5,[r4] /* run auto-refresh cycle to array 0 */
+ subs r6,r6,#1
+ bne 1b
+
+ ldr r1, =ACFG_SET_MODE_REG_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ /* set standard mode register */
+ ldr r4, = PHYS_SDRAM_1+ACFG_SDRAM_MODE_REGISTER_VAL
+ strb r2, [r4]
+
+ /* set extended mode register */
+ ldr r4, =PHYS_SDRAM_1+ACFG_SDRAM_EXT_MODE_REGISTER_VAL
+ strb r5, [r4]
+
+ ldr r1, =ACFG_NORMAL_RW_CMD
+ str r1, [r0, #ESDCTL0_ROF]
+
+ /* 2nd sdram */
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_SDRAM_ESDCFG_REGISTER_VAL
+ str r1, [r0, #ESDCFG1_ROF]
+
+ ldr r0, =IMX_ESD_BASE
+ ldr r1, =ACFG_PRECHARGE_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+
+ /* write8(0xB0001000, any value) */
+ ldr r1, =PHYS_SDRAM_2+ACFG_SDRAM_PRECHARGE_ALL_VAL
+ strb r2, [r1]
+
+ ldr r1, =ACFG_AUTOREFRESH_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+
+ ldr r4, =PHYS_SDRAM_2 /* CSD1 base address */
+
+ ldr r6,=0x7 /* load loop counter */
+1: str r5,[r4] /* run auto-refresh cycle to array 0 */
+ subs r6,r6,#1
+ bne 1b
+
+ ldr r1, =ACFG_SET_MODE_REG_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+
+ /* set standard mode register */
+ ldr r4, =PHYS_SDRAM_2+ACFG_SDRAM_MODE_REGISTER_VAL
+ strb r2, [r4]
+
+ /* set extended mode register */
+ ldr r4, =PHYS_SDRAM_2+ACFG_SDRAM_EXT_MODE_REGISTER_VAL
+ strb r2, [r4]
+
+ ldr r1, =ACFG_NORMAL_RW_CMD
+ str r1, [r0, #ESDCTL1_ROF]
+ .endm /* init_ddr */
+
+.globl lowlevel_init
+lowlevel_init:
+
+ init_aipi
+ init_clock
+#ifdef CONFIG_SPL_BUILD
+ init_ddr
+#endif
+
+ mov pc, lr
diff --git a/boards.cfg b/boards.cfg
index 79d6cd8..d823fae 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -195,6 +195,7 @@ jadecpu arm arm926ejs jadecpu syteco
mx25pdk arm arm926ejs mx25pdk freescale mx25 mx25pdk:IMX_CONFIG=board/freescale/mx25pdk/imximage.cfg
tx25 arm arm926ejs tx25 karo mx25
zmx25 arm arm926ejs zmx25 syteco mx25
+apf27 arm arm926ejs apf27 armadeus mx27
imx27lite arm arm926ejs imx27lite logicpd mx27
magnesium arm arm926ejs imx27lite logicpd mx27
mx23_olinuxino arm arm926ejs mx23_olinuxino olimex mxs mx23_olinuxino
diff --git a/include/configs/apf27.h b/include/configs/apf27.h
new file mode 100644
index 0000000..447be8d
--- /dev/null
+++ b/include/configs/apf27.h
@@ -0,0 +1,374 @@
+/*
+ *
+ * Configuration settings for the Armadeus Project motherboard APF27
+ *
+ * Copyright (C) 2008-2013 Eric Jarrige <eric.jarrige at armadeus.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_VERSION_VARIABLE
+#define CONFIG_ENV_VERSION 10
+#define CONFIG_IDENT_STRING " apf27 patch 3.10"
+#define CONFIG_BOARD_NAME apf27
+
+/*
+ * SoC configurations
+ */
+#define CONFIG_ARM926EJS /* this is an ARM926EJS CPU */
+#define CONFIG_MX27 /* in a Freescale i.MX27 Chip */
+#define CONFIG_MACH_TYPE 1698 /* APF27 */
+
+/*
+ * Enable the call to miscellaneous platform dependent initialization.
+ */
+#define CONFIG_SYS_NO_FLASH /* to be define before <config_cmd_default.h> */
+
+/*
+ * Board display option
+ */
+#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_DISPLAY_CPUINFO
+
+/*
+ * SPL
+ */
+#define CONFIG_SPL
+#define CONFIG_SPL_TARGET "u-boot-with-spl.bin"
+#define CONFIG_SPL_LDSCRIPT "arch/$(ARCH)/cpu/u-boot-spl.lds"
+#define CONFIG_SPL_MAX_SIZE 2048
+#define CONFIG_SPL_TEXT_BASE 0xA0000000
+
+/* NAND boot config */
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x800
+#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_SIZE CONFIG_SYS_MONITOR_LEN - 0x800
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_DNS
+#define CONFIG_BOOTP_DNS2
+
+#define CONFIG_HOSTNAME CONFIG_BOARD_NAME
+#define CONFIG_ROOTPATH "/tftpboot/" __stringify(CONFIG_BOARD_NAME) "-root"
+
+/*
+ * U-Boot Commands
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ASKENV /* ask for env variable */
+#define CONFIG_CMD_BSP /* Board Specific functions */
+#define CONFIG_CMD_CACHE /* icache, dcache */
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_DHCP /* DHCP Support */
+#define CONFIG_CMD_DNS
+#define CONFIG_CMD_EEPROM
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT /* FAT support */
+#define CONFIG_CMD_IMX_FUSE /* imx iim fuse */
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_MII /* MII support */
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_MTDPARTS /* MTD partition support */
+#define CONFIG_CMD_NAND /* NAND support */
+#define CONFIG_CMD_NAND_LOCK_UNLOCK
+#define CONFIG_CMD_NAND_TRIMFFS
+#define CONFIG_CMD_NFS /* NFS support */
+#define CONFIG_CMD_PING /* ping support */
+#define CONFIG_CMD_SETEXPR /* setexpr support */
+#define CONFIG_CMD_UBI
+#define CONFIG_CMD_UBIFS
+
+/*
+ * Memory configurations
+ */
+#define CONFIG_NR_DRAM_POPULATED 1
+#define CONFIG_NR_DRAM_BANKS 2
+
+#define ACFG_SDRAM_MBYTE_SYZE 64
+
+#define PHYS_SDRAM_1 0xA0000000
+#define PHYS_SDRAM_2 0xB0000000
+#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (512<<10))
+#define CONFIG_SYS_MEMTEST_START 0xA0000000 /* memtest test area */
+#define CONFIG_SYS_MEMTEST_END 0xA0300000 /* 3 MiB RAM test */
+
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE \
+ + PHYS_SDRAM_1_SIZE - 0x0100000)
+
+#define CONFIG_SYS_TEXT_BASE 0xA0000800
+
+/*
+ * FLASH organization
+ */
+#define ACFG_MONITOR_OFFSET 0x00000000
+#define CONFIG_SYS_MONITOR_LEN 0x00100000 /* 1MiB */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_ENV_OFFSET 0x00100000 /* NAND offset */
+#define CONFIG_ENV_SIZE 0x00020000 /* 128kB */
+#define CONFIG_ENV_RANGE 0X00080000 /* 512kB */
+#define CONFIG_ENV_OFFSET_REDUND \
+ (CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE) /* +512kB */
+#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE /* 512kB */
+#define CONFIG_FIRMWARE_OFFSET 0x00200000
+#define CONFIG_FIRMWARE_SIZE 0x00080000 /* 512kB */
+#define CONFIG_KERNEL_OFFSET 0x00300000
+#define CONFIG_ROOTFS_OFFSET 0x00800000
+
+#define CONFIG_MTDMAP "mxc_nand.0"
+#define MTDIDS_DEFAULT "nand0=" CONFIG_MTDMAP
+#define MTDPARTS_DEFAULT "mtdparts=" CONFIG_MTDMAP \
+ ":1M(u-boot)ro," \
+ "512K(env)," \
+ "512K(env2)," \
+ "512K(firmware)," \
+ "512K(dtb)," \
+ "5M(kernel)," \
+ "-(rootfs)"
+
+/*
+ * U-Boot general configurations
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT "BIOS> " /* prompt string */
+#define CONFIG_SYS_CBSIZE 2048 /* console I/O buffer */
+#define CONFIG_SYS_PBSIZE \
+ (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
+ /* Print buffer size */
+#define CONFIG_SYS_MAXARGS 16 /* max command args */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+ /* Boot argument buffer size */
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_HUSH_PARSER /* enable the "hush" shell */
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " /* secondary prompt string */
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+#define CONFIG_PREBOOT "run check_flash check_env;"
+
+
+/*
+ * Boot Linux
+ */
+#define CONFIG_CMDLINE_TAG /* send commandline to Kernel */
+#define CONFIG_SETUP_MEMORY_TAGS /* send memory definition to kernel */
+#define CONFIG_INITRD_TAG /* send initrd params */
+
+#define CONFIG_OF_LIBFDT
+
+#define CONFIG_BOOTDELAY 5
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+#define CONFIG_BOOTFILE __stringify(CONFIG_BOARD_NAME) "-linux.bin"
+#define CONFIG_BOOTARGS "console=" __stringify(ACFG_CONSOLE_DEV) "," \
+ __stringify(CONFIG_BAUDRATE) " " MTDPARTS_DEFAULT \
+ " ubi.mtd=rootfs root=ubi0:rootfs rootfstype=ubifs "
+
+#define ACFG_CONSOLE_DEV ttySMX0
+#define CONFIG_BOOTCOMMAND "run ubifsboot"
+#define CONFIG_SYS_AUTOLOAD "no"
+/*
+ * Default load address for user programs and kernel
+ */
+#define CONFIG_LOADADDR 0xA0000000
+#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+
+/*
+ * Extra Environments
+ */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "env_version=" __stringify(CONFIG_ENV_VERSION) "\0" \
+ "consoledev=" __stringify(ACFG_CONSOLE_DEV) "\0" \
+ "mtdparts=" MTDPARTS_DEFAULT "\0" \
+ "partition=nand0,6\0" \
+ "u-boot_addr=" __stringify(ACFG_MONITOR_OFFSET) "\0" \
+ "env_addr=" __stringify(CONFIG_ENV_OFFSET) "\0" \
+ "firmware_addr=" __stringify(CONFIG_FIRMWARE_OFFSET) "\0" \
+ "firmware_size=" __stringify(CONFIG_FIRMWARE_SIZE) "\0" \
+ "kernel_addr=" __stringify(CONFIG_KERNEL_OFFSET) "\0" \
+ "rootfs_addr=" __stringify(CONFIG_ROOTFS_OFFSET) "\0" \
+ "board_name=" __stringify(CONFIG_BOARD_NAME) "\0" \
+ "kernel_addr_r=A0000000\0" \
+ "check_env=if test -n ${flash_env_version}; " \
+ "then env default env_version; " \
+ "else env set flash_env_version ${env_version}; env save; "\
+ "fi; " \
+ "if itest ${flash_env_version} < ${env_version}; then " \
+ "echo \"*** Warning - Environment version" \
+ " change suggests: run flash_reset_env; reset\"; "\
+ "env default flash_reset_env; "\
+ "fi; \0" \
+ "check_flash=nand lock; nand unlock ${env_addr}; \0" \
+ "flash_reset_env=env default -f -a; saveenv; run update_env;" \
+ "echo Flash environment variables erased!\0" \
+ "download_uboot=tftpboot ${loadaddr} ${board_name}" \
+ "-u-boot-nand.bin\0" \
+ "flash_uboot=nand unlock ${u-boot_addr} ;" \
+ "nand erase.part u-boot;" \
+ "if nand write.trimffs ${fileaddr} ${u-boot_addr} ${filesize};"\
+ "then nand lock; nand unlock ${env_addr};" \
+ "echo Flashing of uboot succeed;" \
+ "else echo Flashing of uboot failed;" \
+ "fi; \0" \
+ "update_uboot=run download_uboot flash_uboot\0" \
+ "download_env=tftpboot ${loadaddr} ${board_name}" \
+ "-u-boot-env.txt\0" \
+ "flash_env=env import -t ${loadaddr}; env save; \0" \
+ "update_env=run download_env flash_env\0" \
+ "update_all=run update_env update_uboot\0" \
+ "unlock_regs=mw 10000008 0; mw 10020008 0\0" \
+
+/*
+ * Serial Driver
+ */
+#define CONFIG_MXC_UART
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_MXC_UART_BASE UART1_BASE
+
+/*
+ * GPIO
+ */
+#define CONFIG_MXC_GPIO
+
+/*
+ * NOR
+ */
+
+/*
+ * NAND
+ */
+#define CONFIG_NAND_MXC
+
+#define CONFIG_MXC_NAND_REGS_BASE 0xD8000000
+#define CONFIG_SYS_NAND_BASE CONFIG_MXC_NAND_REGS_BASE
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+
+#define CONFIG_MXC_NAND_HWECC
+#define CONFIG_SYS_NAND_LARGEPAGE
+#define CONFIG_SYS_NAND_BUSWIDTH_16BIT
+#define CONFIG_SYS_NAND_PAGE_SIZE 2048
+#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
+#define CONFIG_SYS_NAND_PAGE_COUNT CONFIG_SYS_NAND_BLOCK_SIZE / \
+ CONFIG_SYS_NAND_PAGE_SIZE
+#define CONFIG_SYS_NAND_SIZE (256 * 1024 * 1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS 11
+#define NAND_MAX_CHIPS 1
+
+#define CONFIG_FLASH_SHOW_PROGRESS 45
+#define CONFIG_SYS_NAND_QUIET 1
+
+/*
+ * Partitions & Filsystems
+ */
+#define CONFIG_MTD_DEVICE
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SUPPORT_VFAT
+
+/*
+ * UBIFS
+ */
+#define CONFIG_RBTREE
+#define CONFIG_LZO
+
+/*
+ * Ethernet (on SOC imx FEC)
+ */
+#define CONFIG_FEC_MXC
+#define CONFIG_FEC_MXC_PHYADDR 0x1f
+#define CONFIG_MII /* MII PHY management */
+
+/*
+ * Fuses - IIM
+ */
+#ifdef CONFIG_CMD_IMX_FUSE
+#define IIM_MAC_BANK 0
+#define IIM_MAC_ROW 5
+#define IIM0_SCC_KEY 11
+#define IIM1_SUID 1
+#endif
+
+/*
+ * I2C
+ */
+
+#ifdef CONFIG_CMD_I2C
+#define CONFIG_HARD_I2C
+#define CONFIG_I2C_MXC
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_I2C_BASE IMX_I2C1_BASE
+#define CONFIG_SYS_I2C_SPEED 100000 /* 100 kHz */
+#define CONFIG_SYS_I2C_SLAVE 0x7F
+#define CONFIG_SYS_I2C_NOPROBES { }
+
+#ifdef CONFIG_CMD_EEPROM
+# define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM 24LC02 */
+# define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* msec */
+#endif /* CONFIG_CMD_EEPROM */
+#endif /* CONFIG_CMD_I2C */
+
+/*
+ * SD/MMC
+ */
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_MXC_MMC
+#define CONFIG_MXC_MCI_REGS_BASE 0x10014000
+#endif
+
+/*
+ * RTC
+ */
+#ifdef CONFIG_CMD_DATE
+#define CONFIG_RTC_DS1374
+#define CONFIG_SYS_RTC_BUS_NUM 0
+#endif /* CONFIG_CMD_DATE */
+
+/*
+ * Clocks
+ */
+#define CONFIG_SYS_HZ 1000 /* Ticks per second */
+
+/*
+ * PLL
+ *
+ * 31 | x |x| x x x x |x x x x x x x x x x |x x|x x x x|x x x x x x x x x x| 0
+ * |CPLM|X|----PD---|--------MFD---------|XXX|--MFI--|-----MFN-----------|
+ */
+#define CONFIG_MX27_CLK32 32768 /* 32768 or 32000 Hz crystal */
+
+#if (ACFG_SDRAM_MBYTE_SYZE == 64) /* micron MT46H16M32LF -6 */
+/* micron 64MB */
+#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */
+#define PHYS_SDRAM_2_SIZE 0x04000000 /* 64 MB */
+#endif
+
+#if (ACFG_SDRAM_MBYTE_SYZE == 128)
+/* micron 128MB */
+#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */
+#define PHYS_SDRAM_2_SIZE 0x08000000 /* 128 MB */
+#endif
+
+#if (ACFG_SDRAM_MBYTE_SYZE == 256)
+/* micron 256MB */
+#define PHYS_SDRAM_1_SIZE 0x10000000 /* 256 MB */
+#define PHYS_SDRAM_2_SIZE 0x10000000 /* 256 MB */
+#endif
+
+#endif /* __CONFIG_H */
--
1.7.4.4
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