[PATCH 4/5] ppc: DA923RC: add board support
Renaud Barbier
renaud.barbier at ge.com
Tue Nov 5 10:36:11 EST 2013
Add the GEIP DA923RC board support. This includes core
files as well as defconfig and make files.
---
arch/ppc/boards/geip-da923rc/Makefile | 7 +
arch/ppc/boards/geip-da923rc/barebox.lds.S | 155 +++++++++++++++++++
arch/ppc/boards/geip-da923rc/config.h | 54 +++++++
arch/ppc/boards/geip-da923rc/da923rc.c | 212 +++++++++++++++++++++++++++
arch/ppc/boards/geip-da923rc/ddr.c | 169 +++++++++++++++++++++
arch/ppc/boards/geip-da923rc/env/bin/init | 4 +
arch/ppc/boards/geip-da923rc/env/config | 4 +
arch/ppc/boards/geip-da923rc/law.c | 24 +++
arch/ppc/boards/geip-da923rc/nand.c | 94 ++++++++++++
arch/ppc/boards/geip-da923rc/product_data.c | 66 +++++++++
arch/ppc/boards/geip-da923rc/product_data.h | 62 ++++++++
arch/ppc/boards/geip-da923rc/tlb.c | 69 +++++++++
arch/ppc/configs/da923rc_defconfig | 57 +++++++
13 files changed, 977 insertions(+), 0 deletions(-)
create mode 100644 arch/ppc/boards/geip-da923rc/Makefile
create mode 100644 arch/ppc/boards/geip-da923rc/barebox.lds.S
create mode 100644 arch/ppc/boards/geip-da923rc/config.h
create mode 100644 arch/ppc/boards/geip-da923rc/da923rc.c
create mode 100644 arch/ppc/boards/geip-da923rc/ddr.c
create mode 100644 arch/ppc/boards/geip-da923rc/env/bin/init
create mode 100644 arch/ppc/boards/geip-da923rc/env/config
create mode 100644 arch/ppc/boards/geip-da923rc/law.c
create mode 100644 arch/ppc/boards/geip-da923rc/nand.c
create mode 100644 arch/ppc/boards/geip-da923rc/product_data.c
create mode 100644 arch/ppc/boards/geip-da923rc/product_data.h
create mode 100644 arch/ppc/boards/geip-da923rc/tlb.c
create mode 100644 arch/ppc/configs/da923rc_defconfig
diff --git a/arch/ppc/boards/geip-da923rc/Makefile b/arch/ppc/boards/geip-da923rc/Makefile
new file mode 100644
index 0000000..0c28a79
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/Makefile
@@ -0,0 +1,7 @@
+obj-y += da923rc.o
+obj-y += tlb.o
+obj-y += law.o
+obj-y += ddr.o
+obj-y += nand.o
+obj-y += product_data.o
+extra-y += barebox.lds
diff --git a/arch/ppc/boards/geip-da923rc/barebox.lds.S b/arch/ppc/boards/geip-da923rc/barebox.lds.S
new file mode 100644
index 0000000..abf8016
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/barebox.lds.S
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ * Copyright 2007-2009, 2011 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <asm-generic/barebox.lds.h>
+
+#define RESET_VECTOR_ADDRESS 0xfffffffc
+#define BSS_START_ADDRESS 0x2000
+
+OUTPUT_ARCH("powerpc")
+
+PHDRS
+{
+ text PT_LOAD;
+ bss PT_LOAD;
+}
+
+SECTIONS
+{
+ . = TEXT_BASE;
+
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata)}
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ *(.text*)
+ *(.got1*)
+
+ } :text
+ _etext = .;
+ PROVIDE (etext = .);
+ _sdata = .;
+
+ .rodata :
+ {
+ *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+ } :text
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ KEEP(*(.got))
+ _GOT2_TABLE_ = .;
+ KEEP(*(.got2))
+ PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
+ _FIXUP_TABLE_ = .;
+ KEEP(*(.fixup))
+ }
+ __got2_entries = ((_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2);
+ __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+ .data :
+ {
+ *(.data*)
+ *(.data1*)
+ *(.sdata*)
+ *(.sdata2*)
+ *(.dynamic*)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ . = .;
+ __barebox_cmd_start = .;
+ .barebox_cmd : { BAREBOX_CMDS }
+ __barebox_cmd_end = .;
+
+ __barebox_initcalls_start = .;
+ .barebox_initcalls : { INITCALLS }
+ __barebox_initcalls_end = .;
+ __initcall_entries = (__barebox_initcalls_end - __barebox_initcalls_start)>>2;
+
+ __usymtab_start = .;
+ __usymtab : { BAREBOX_SYMS }
+ __usymtab_end = .;
+
+ . = .;
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __init_size = __init_end - _start;
+
+ .bootpg RESET_VECTOR_ADDRESS - 0xffc :
+ {
+ _text = .;
+ _stext = .;
+ arch/ppc/cpu-85xx/start.o (.bootpg)
+ } :text = 0xffff
+
+ .resetvec RESET_VECTOR_ADDRESS :
+ {
+ KEEP(*(.resetvec))
+ arch/ppc/cpu-85xx/resetvec.o (.resetvec)
+ } :text = 0xffff
+
+ . = RESET_VECTOR_ADDRESS + 0x4;
+
+ . = BSS_START_ADDRESS;
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss*) *(.scommon*)
+ *(.dynbss*)
+ *(.bss*)
+ *(COMMON)
+ } :bss
+ . = ALIGN(4);
+ __bss_stop = .;
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/arch/ppc/boards/geip-da923rc/config.h b/arch/ppc/boards/geip-da923rc/config.h
new file mode 100644
index 0000000..6e8684f
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/config.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * DA923RC board configuration file.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CFG_SYS_CLK_FREQ 66666666
+#define CFG_BTB /* toggle branch prediction */
+
+#define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT
+#define CFG_CHIP_SELECTS_PER_CTRL 1
+
+/*
+ * Memory map
+ *
+ * 0x0000_0000 0x1fff_ffff DDR 512MB Cacheable
+ * 0xe000_0000 0xe00f_ffff CCSR 1M non-cacheable
+ * 0xf400_0000 0xf400_3fff L1 for stack 4K Cacheable TLB0
+ *
+ */
+#define CFG_SDRAM_BASE 0x00000000
+
+#define CFG_CCSRBAR_DEFAULT 0xff700000
+#define CFG_CCSRBAR 0xe0000000
+#define CFG_CCSRBAR_PHYS CFG_CCSRBAR
+#define CFG_IMMR CFG_CCSRBAR
+
+/* Initial memory for global storage and stack. */
+#define CFG_INIT_RAM_ADDR 0xf4000000
+#define CFG_INIT_RAM_SIZE 0x00004000
+#define CFG_INIT_BI_SIZE 0x100
+#define CFG_INIT_SP_OFFSET (CFG_INIT_RAM_SIZE - CFG_INIT_BI_SIZE)
+
+#define BOOT_BLOCK 0xfc000000
+
+#define BOARD_TYPE_UNKNOWN -1
+#define BOARD_TYPE_NONE 0
+#define BOARD_TYPE_DA923 1
+#define BOARD_TYPE_GBX460 2
+
+#endif /* __CONFIG_H */
diff --git a/arch/ppc/boards/geip-da923rc/da923rc.c b/arch/ppc/boards/geip-da923rc/da923rc.c
new file mode 100644
index 0000000..99d1393
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/da923rc.c
@@ -0,0 +1,212 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * GEIP DA923RC/GBX460 board support.
+ */
+
+#include <common.h>
+#include <console.h>
+#include <init.h>
+#include <memory.h>
+#include <driver.h>
+#include <asm/io.h>
+#include <net.h>
+#include <ns16550.h>
+#include <partition.h>
+#include <environment.h>
+#include <i2c/i2c.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/cache.h>
+#include <mach/mmu.h>
+#include <mach/mpc85xx.h>
+#include <mach/immap_85xx.h>
+#include <mach/gianfar.h>
+#include <mach/gpio.h>
+#include <mach/clock.h>
+#include <mach/fsl_i2c.h>
+#include "product_data.h"
+
+static struct gfar_info_struct gfar_info[] = {
+ {
+ .phyaddr = 7,
+ .tbiana = 0,
+ .tbicr = 0,
+ .mdiobus_tbi = 0,
+ },
+};
+
+struct i2c_platform_data i2cplat[] = {
+ {
+ .bitrate = 400000,
+ },
+ {
+ .bitrate = 400000,
+ },
+};
+
+static struct board_info binfo;
+
+static int board_eth_init(void)
+{
+ void __iomem *gur = IOMEM(MPC85xx_GUTS_ADDR);
+ struct ge_product_data product;
+ int st;
+
+ /* Toggle eth0 reset pin */
+ gpio_set_value(4, 0);
+ udelay(5);
+ gpio_set_value(4, 1);
+
+ /* Disable eTSEC3 */
+ out_be32(gur + MPC85xx_DEVDISR_OFFSET,
+ in_be32(gur + MPC85xx_DEVDISR_OFFSET) &
+ ~MPC85xx_DEVDISR_TSEC3);
+
+ st = ge_get_product_data(&product);
+ if (((product.v2.mac.count > 0) && (product.v2.mac.count <= MAX_MAC))
+ && (st == 0))
+ eth_register_ethaddr(0, (const char *)&product.v2.mac.mac[0]);
+
+ fsl_eth_init(1, &gfar_info[0]);
+
+ return 0;
+}
+
+static int da923rc_devices_init(void)
+{
+ add_cfi_flash_device(0, 0xfe000000, 32 << 20, 0);
+ devfs_add_partition("nor0", 0x0, 0x8000, DEVFS_PARTITION_FIXED, "env0");
+ devfs_add_partition("nor0", 0x1f80000, 8 << 16, DEVFS_PARTITION_FIXED,
+ "self0");
+ add_generic_device("i2c-fsl", 0, NULL, I2C1_BASE_ADDR, 0x100,
+ IORESOURCE_MEM, &i2cplat[0]);
+ add_generic_device("i2c-fsl", 1, NULL, I2C2_BASE_ADDR, 0x100,
+ IORESOURCE_MEM, &i2cplat[1]);
+
+ board_eth_init();
+
+ return 0;
+}
+
+device_initcall(da923rc_devices_init);
+
+static struct NS16550_plat serial_plat = {
+ .clock = 0,
+ .shift = 0,
+};
+
+static int da923rc_console_init(void)
+{
+ if (binfo.bid == BOARD_TYPE_DA923)
+ barebox_set_model("DA923RC");
+ else if (binfo.bid == BOARD_TYPE_GBX460)
+ barebox_set_model("GBX460");
+ else
+ barebox_set_model("unknown");
+
+ serial_plat.clock = fsl_get_bus_freq(0);
+ add_ns16550_device(1, CFG_CCSRBAR + 0x4600, 16, IORESOURCE_MEM_8BIT,
+ &serial_plat);
+ return 0;
+}
+
+console_initcall(da923rc_console_init);
+
+static int da923rc_mem_init(void)
+{
+ barebox_add_memory_bank("ram0", 0x0, fsl_get_effective_memsize());
+ return 0;
+}
+
+mem_initcall(da923rc_mem_init);
+
+static int da923rc_board_init_r(void)
+{
+ void __iomem *lbc = LBC_BASE_ADDR;
+ void __iomem *ecm = IOMEM(MPC85xx_ECM_ADDR);
+ void __iomem *pci = IOMEM(PCI1_BASE_ADDR);
+ const unsigned int flashbase = (BOOT_BLOCK + 0x2000000);
+ uint8_t flash_esel;
+
+ da923rc_boardinfo_get(&binfo);
+
+ flush_dcache();
+ invalidate_icache();
+
+ /* Clear LBC error interrupts */
+ out_be32(lbc + FSL_LBC_LTESR_OFFSET, 0xffffffff);
+ /* Enable LBC error interrupts */
+ out_be32(lbc + FSL_LBC_LTEIR_OFFSET, 0xffffffff);
+ /* Clear ecm errors */
+ out_be32(ecm + MPC85xx_ECM_EEDR_OFFSET, 0xffffffff);
+ /* Enable ecm errors */
+ out_be32(ecm + MPC85xx_ECM_EEER_OFFSET, 0xffffffff);
+
+ /* Re-map boot flash */
+ fsl_set_lbc_br(0, BR_PHYS_ADDR(0xfe000000) | BR_PS_16 | BR_V);
+ fsl_set_lbc_or(0, 0xfe006e21);
+
+ /* Invalidate TLB entry for boot block */
+ flash_esel = e500_find_tlb_idx((void *)flashbase, 1);
+ e500_disable_tlb(flash_esel);
+ flash_esel = e500_find_tlb_idx((void *)(flashbase + 0x1000000), 1);
+ e500_disable_tlb(flash_esel);
+
+ /* Boot block back to cache inhibited. */
+ e500_set_tlb(1, BOOT_BLOCK + (2 * 0x1000000),
+ BOOT_BLOCK + (2 * 0x1000000),
+ MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G | MAS2_M,
+ 0, 2, BOOKE_PAGESZ_16M, 1);
+ e500_set_tlb(1, BOOT_BLOCK + (3 * 0x1000000),
+ BOOT_BLOCK + (3 * 0x1000000),
+ MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G | MAS2_M,
+ 0, 3, BOOKE_PAGESZ_16M, 1);
+
+ fsl_l2_cache_init();
+
+ fsl_enable_gpiout();
+ /* Enable NOR low voltage programming (gpio 2) and write (gpio 3). */
+ gpio_set_value(2, 1);
+ gpio_set_value(3, 1);
+
+ /* Enable write to NAND flash */
+ if (binfo.bid == BOARD_TYPE_GBX460) {
+ /* Map CPLD */
+ fsl_set_lbc_br(3, BR_PHYS_ADDR(0xfc010000) | BR_PS_16 | BR_V);
+ fsl_set_lbc_or(3, 0xffffe001);
+ /* Enable all reset */
+ out_be16(IOMEM(0xfc010044), 0xffff);
+ gpio_set_value(6, 1);
+ }
+
+ /* Board reset and PHY reset. Disable CS3. */
+ if (binfo.bid == BOARD_TYPE_DA923) {
+ gpio_set_value(0, 0);
+ gpio_set_value(1, 1);
+ /* De-assert Board reset */
+ udelay(1000);
+ gpio_set_value(0, 0);
+ }
+
+ /* Enable PCI error reporting */
+ out_be32(pci + 0xe00, 0x80000040);
+ out_be32(pci + 0xe08, 0x6bf);
+ out_be32(pci + 0xe0c, 0xbb1fa001);
+ /* 32-bytes cacheline size */
+ out_be32(pci, 0x8000000c);
+ out_le32(pci + 4, 0x00008008);
+
+ return 0;
+}
+
+core_initcall(da923rc_board_init_r);
diff --git a/arch/ppc/boards/geip-da923rc/ddr.c b/arch/ppc/boards/geip-da923rc/ddr.c
new file mode 100644
index 0000000..fc0c50c
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/ddr.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Board specific DDR tuning.
+ */
+
+#include <common.h>
+#include <mach/fsl_i2c.h>
+#include <mach/immap_85xx.h>
+#include <mach/clock.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_ddr_dimm_params.h>
+#include "product_data.h"
+
+static struct board_info *binfo =
+ (struct board_info *)(CFG_INIT_RAM_ADDR + CFG_INIT_RAM_SIZE -
+ sizeof(struct board_info));
+
+static u8 spd_addr = 0x50;
+
+static int da923rc_boardinfo_init(void)
+{
+ void __iomem *i2c = IOMEM(I2C1_BASE_ADDR);
+ uint8_t id;
+ int ret;
+
+ memset(binfo, 0, sizeof(struct board_info));
+
+ binfo->bid = BOARD_TYPE_UNKNOWN;
+ /* Read made from flash, use the DDR I2C API. */
+ fsl_i2c_init(i2c, 400000, 0x7f);
+ /* Read board id from offset 0. */
+ ret = fsl_i2c_read(i2c, 0x3b, 0, 1, &id, sizeof(uint8_t));
+ fsl_i2c_stop(i2c);
+
+ if (ret == 0) {
+ /*
+ * Board ID:
+ * 0-2 Hardware board
+ * revision
+ * 3-5 Board ID
+ * 000b/010b/100b - DA923, 001 - GBX460
+ * 6-7 Undefined 00
+ */
+ binfo->rev = id & 7;
+ id &= 0x38;
+ id >>= 3;
+ switch (id) {
+ case 0:
+ case 2:
+ case 4:
+ binfo->bid = BOARD_TYPE_DA923;
+ break;
+ case 1:
+ binfo->bid = BOARD_TYPE_GBX460;
+ break;
+ default:
+ binfo->bid = BOARD_TYPE_NONE;
+ }
+ }
+
+ return ret;
+}
+
+void da923rc_boardinfo_get(struct board_info *bi)
+{
+ memcpy(bi, binfo, sizeof(struct board_info));
+}
+
+void fsl_ddr_board_info(struct ddr_board_info_s *info)
+{
+ info->fsl_ddr_ver = 0;
+ info->ddr_base = IOMEM(MPC85xx_DDR_ADDR);
+ /* Actual number of chip select used */
+ info->cs_per_ctrl = 1;
+ info->dimm_slots_per_ctrl = 1;
+ info->i2c_bus = 0;
+ info->i2c_slave = 0x7f;
+ info->i2c_speed = 400000;
+ info->i2c_base = IOMEM(I2C1_BASE_ADDR);
+ info->spd_i2c_addr = &spd_addr;
+}
+
+void fsl_ddr_board_options(struct memctl_options_s *popts,
+ struct dimm_params_s *pdimm)
+{
+ da923rc_boardinfo_init();
+
+ /*
+ * Clock adjustment in 1/8-cycle
+ * 0 = Clock is launched aligned with address/command
+ * ...
+ * 6 = 3/4 cycle late
+ * 7 = 7/8 cycle late
+ * 8 = 1 cycle late
+ */
+ popts->clk_adjust = 8;
+
+ /*
+ * /MCAS-to-preamble override. Defines the number of DRAM cycles
+ * between when a read is issued and when the corresponding DQS
+ * preamble is valid for the memory controller.
+ *
+ * Factors to consider for CPO:
+ * - frequency
+ * - ddr type
+ */
+ popts->cpo_override = 9;
+
+ /*
+ * Write command to write data strobe timing adjustment.
+ * Factors to consider for write data delay:
+ * - number of DIMMs
+ *
+ * 1 = 1/4 clock delay
+ * 2 = 1/2 clock delay
+ * 3 = 3/4 clock delay
+ * 4 = 1 clock delay
+ * 5 = 5/4 clock delay
+ * 6 = 3/2 clock delay
+ */
+ popts->write_data_delay = 3;
+
+ /* 2T timing disabled. */
+ popts->twoT_en = 0;
+ if (pdimm->registered_dimm != 0)
+ hang();
+
+ /*
+ * Factors to consider for half-strength driver enable:
+ * - number of DIMMs installed
+ */
+ popts->half_strength_driver_enable = 1;
+
+ /* Enable additive latency override. */
+ popts->additive_latency_override = 1;
+ popts->additive_latency_override_value = 1;
+
+ /* 50000ps is valid for a 16-bit wide data bus */
+ popts->tFAW_window_four_activates_ps = 50000;
+
+ /* Allow ECC */
+ popts->ECC_mode = 1;
+ popts->data_init = 0;
+
+ /* DLL reset disable */
+ popts->dll_rst_dis = 1;
+
+ /* Powerdown timings in number of tCK. */
+ popts->txard = 2;
+ popts->txp = 2;
+ popts->taxpd = 8;
+
+ /* Load mode timing in number of tCK. */
+ popts->tmrd = 2;
+
+ /* Assert ODT only during writes to CSn */
+ popts->cs_local_opts[0].odt_wr_cfg = FSL_DDR_ODT_CS;
+}
diff --git a/arch/ppc/boards/geip-da923rc/env/bin/init b/arch/ppc/boards/geip-da923rc/env/bin/init
new file mode 100644
index 0000000..6308999
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/env/bin/init
@@ -0,0 +1,4 @@
+#!/bin/sh
+export PATH=/env/bin
+
+source /env/config
diff --git a/arch/ppc/boards/geip-da923rc/env/config b/arch/ppc/boards/geip-da923rc/env/config
new file mode 100644
index 0000000..79e2606
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/env/config
@@ -0,0 +1,4 @@
+#!/bin/sh
+export bootargs="root=/dev/nfs rw ip=bootp"
+eth0.ipaddr=192.168.0.136
+eth0.serverip=192.168.0.102
diff --git a/arch/ppc/boards/geip-da923rc/law.c b/arch/ppc/boards/geip-da923rc/law.c
new file mode 100644
index 0000000..3d32c7e
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/law.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/fsl_law.h>
+
+struct law_entry law_table[] = {
+ FSL_SET_LAW(0xf8000000, LAW_SIZE_128M, LAW_TRGT_IF_LBC),
+ FSL_SET_LAW(0xc0000000, LAW_SIZE_256M, LAW_TRGT_IF_PCI),
+ FSL_SET_LAW(0xe1000000, LAW_SIZE_64K, LAW_TRGT_IF_PCI),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/arch/ppc/boards/geip-da923rc/nand.c b/arch/ppc/boards/geip-da923rc/nand.c
new file mode 100644
index 0000000..550d790
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/nand.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc
+ * (C) Copyright 2008 Wolfgang Grandegger <wg at denx.de>
+ * (C) Copyright 2006
+ * Thomas Waehner, TQ-System GmbH, thomas.waehner at tqs.de.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * This code only cares about setting up the UPM state machine for Linux
+ * to use the NAND.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/io.h>
+#include <asm/fsl_lbc.h>
+#include <mach/immap_85xx.h>
+
+/* NAND UPM tables for a 25Mhz bus frequency. */
+static const u32 upm_patt_25[] = {
+ /* Single read data */
+ 0xcff02c30, 0x0ff02c30, 0x0ff02c34, 0x0ff32c30,
+ 0xfff32c31, 0xfff32c30, 0xfffffc30, 0xfffffc30,
+ /* UPM Read Burst RAM array entry -> NAND Write CMD */
+ 0xcfaf2c30, 0x0faf2c30, 0x0faf2c30, 0x0fff2c34,
+ 0xfffffc31, 0xfffffc30, 0xfffffc30, 0xfffffc30,
+ /* UPM Read Burst RAM array entry -> NAND Write ADDR */
+ 0xcfa3ec30, 0x0fa3ec30, 0x0fa3ec30, 0x0ff3ec34,
+ 0xfff3ec31, 0xfffffc30, 0xfffffc30, 0xfffffc30,
+ /* UPM Write Single RAM array entry -> NAND Write Data */
+ 0x0ff32c30, 0x0fa32c30, 0x0fa32c34, 0x0ff32c30,
+ 0xfff32c31, 0xfff0fc30, 0xfff0fc30, 0xfff0fc30,
+ /* Default */
+ 0xfff3fc30, 0xfff3fc30, 0xfff6fc30, 0xfffcfc30,
+ 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30,
+ 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30,
+ 0xfffdfc30, 0xfffffc30, 0xfffffc30, 0xfffffc31,
+ 0xfffffc30, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00,
+ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+ 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01,
+};
+
+static void upm_write(uint8_t addr, uint32_t val)
+{
+ void __iomem *lbc = LBC_BASE_ADDR;
+
+ out_be32(lbc + FSL_LBC_MDR_OFFSET, val);
+ clrsetbits_be32(lbc + FSL_LBC_MAMR_OFFSET, MxMR_MAD_MSK,
+ MxMR_OP_WARR | (addr & MxMR_MAD_MSK));
+
+ /* dummy access to perform write */
+ out_8(IOMEM(0xfc000000), 0);
+ clrbits_be32(lbc + FSL_LBC_MAMR_OFFSET, MxMR_OP_WARR);
+}
+
+static int board_nand_init(void)
+{
+ void __iomem *mxmr = IOMEM(LBC_BASE_ADDR + FSL_LBC_MAMR_OFFSET);
+ int j;
+
+ /* Base register CS2:
+ * - 0xfc000000
+ * - 8-bit data width
+ * - UPMA
+ */
+ fsl_set_lbc_br(2, BR_PHYS_ADDR(0xfc000000) | BR_PS_8 | BR_MS_UPMA |
+ BR_V);
+
+ /*
+ * Otions register:
+ * - 32KB window.
+ * - Buffer control disabled.
+ * - External address latch delay.
+ */
+ fsl_set_lbc_or(2, 0xffffe001);
+
+ for (j = 0; j < 64; j++)
+ upm_write(j, upm_patt_25[j]);
+
+ out_be32(mxmr, MxMR_OP_NORM | MxMR_GPL_x4DIS);
+
+ return 0;
+}
+
+device_initcall(board_nand_init);
diff --git a/arch/ppc/boards/geip-da923rc/product_data.c b/arch/ppc/boards/geip-da923rc/product_data.c
new file mode 100644
index 0000000..09cd84d
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/product_data.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Retrieve and check the product data.
+ */
+
+#include <common.h>
+#include <i2c/i2c.h>
+#include <mach/immap_85xx.h>
+#include <mach/fsl_i2c.h>
+#include "product_data.h"
+
+static int ge_is_data_valid(struct ge_product_data *v)
+{
+ int crc, ret = 0;
+ const unsigned char *p = (const unsigned char *)v;
+
+ if (v->v1.pdh.tag != 0xa5a5)
+ return -1;
+
+ switch (v->v1.pdh.version) {
+ case PDVERSION_V1:
+ case PDVERSION_V1bis:
+ crc = crc32(0, p, sizeof(struct product_data_v1) - 4);
+ if (crc != v->v1.crc32)
+ ret = -1;
+ break;
+ case PDVERSION_V2:
+ crc = crc32(0, p, sizeof(struct product_data_v2) - 4);
+ if (crc != v->v2.crc32)
+ ret = -1;
+ break;
+ default:
+ ret = -1;
+ }
+
+ return ret;
+}
+
+int ge_get_product_data(struct ge_product_data *productp)
+{
+ struct i2c_adapter *adapter;
+ struct i2c_client client;
+ int ret;
+
+ adapter = i2c_get_adapter(0);
+ client.addr = 0x51;
+ client.adapter = adapter;
+ ret = i2c_read_reg(&client, 0, (uint8_t *) productp,
+ sizeof(struct ge_product_data));
+
+ if (ret == sizeof(struct ge_product_data))
+ ret = ge_is_data_valid(productp);
+
+ return ret;
+}
diff --git a/arch/ppc/boards/geip-da923rc/product_data.h b/arch/ppc/boards/geip-da923rc/product_data.h
new file mode 100644
index 0000000..f172fb5
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/product_data.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * The product data structure and function prototypes.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+struct board_info {
+ uint32_t bid;
+ uint32_t rev;
+};
+
+#define MAX_MAC 8
+enum product_data_version {
+ PDVERSION_V1 = 1,
+ PDVERSION_V1bis = 0x10,
+ PDVERSION_V2 = 2,
+ PDVERSION_MAX = PDVERSION_V2,
+};
+
+struct __attribute__ ((__packed__)) product_data_header {
+ unsigned short tag;
+ unsigned char version;
+ unsigned short len;
+};
+
+struct __attribute__ ((__packed__)) mac {
+ unsigned char count;
+ unsigned char mac[MAX_MAC][6];
+};
+
+struct __attribute__ ((__packed__)) product_data_v1 {
+ struct product_data_header pdh;
+ struct mac mac;
+ int crc32;
+};
+
+struct __attribute__ ((__packed__)) product_data_v2 {
+ struct product_data_header pdh;
+ struct mac mac;
+ char sn[8];
+ int crc32;
+};
+
+struct __attribute__ ((__packed__)) ge_product_data {
+ union {
+ struct product_data_v1 v1;
+ struct product_data_v2 v2;
+ };
+};
+
+extern int ge_get_product_data(struct ge_product_data *productp);
+extern void da923rc_boardinfo_get(struct board_info *bi);
diff --git a/arch/ppc/boards/geip-da923rc/tlb.c b/arch/ppc/boards/geip-da923rc/tlb.c
new file mode 100644
index 0000000..889e274
--- /dev/null
+++ b/arch/ppc/boards/geip-da923rc/tlb.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <mach/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+ /* TLB 0 - for temp stack in cache */
+ FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
+ MAS3_SX | MAS3_SW | MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + (4 * 1024),
+ CFG_INIT_RAM_ADDR + (4 * 1024),
+ MAS3_SX | MAS3_SW | MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + (8 * 1024),
+ CFG_INIT_RAM_ADDR + (8 * 1024),
+ MAS3_SX | MAS3_SW | MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + (12 * 1024),
+ CFG_INIT_RAM_ADDR + (12 * 1024),
+ MAS3_SX | MAS3_SW | MAS3_SR, 0,
+ 0, 0, BOOKE_PAGESZ_4K, 0),
+ /*
+ * TLB 0/1: 2x16M Cache inhibited, guarded
+ * CPLD and NAND in cache-inhibited area.
+ */
+ FSL_SET_TLB_ENTRY(1, BOOT_BLOCK, BOOT_BLOCK,
+ MAS3_SX | MAS3_SW | MAS3_SR,
+ MAS2_W | MAS2_I | MAS2_G | MAS2_M,
+ 0, 0, BOOKE_PAGESZ_16M, 1),
+ FSL_SET_TLB_ENTRY(1, BOOT_BLOCK + 0x1000000,
+ BOOT_BLOCK + 0x1000000,
+ MAS3_SX | MAS3_SW | MAS3_SR,
+ MAS2_W | MAS2_I | MAS2_G | MAS2_M,
+ 0, 1, BOOKE_PAGESZ_16M, 1),
+ /*
+ * The boot flash is mapped with the cache enabled.
+ * TLB 2/3: 2x16M Cacheable Write-through, guarded
+ */
+ FSL_SET_TLB_ENTRY(1, BOOT_BLOCK + (2 * 0x1000000),
+ BOOT_BLOCK + (2 * 0x1000000),
+ MAS3_SX | MAS3_SW | MAS3_SR,
+ MAS2_W | MAS2_G | MAS2_M,
+ 0, 2, BOOKE_PAGESZ_16M, 1),
+ FSL_SET_TLB_ENTRY(1, BOOT_BLOCK + (3 * 0x1000000),
+ BOOT_BLOCK + (3 * 0x1000000),
+ MAS3_SX | MAS3_SW | MAS3_SR,
+ MAS2_W | MAS2_G | MAS2_M,
+ 0, 3, BOOKE_PAGESZ_16M, 1),
+
+ FSL_SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS,
+ MAS3_SX | MAS3_SW | MAS3_SR,
+ MAS2_I | MAS2_G,
+ 0, 4, BOOKE_PAGESZ_64M, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/arch/ppc/configs/da923rc_defconfig b/arch/ppc/configs/da923rc_defconfig
new file mode 100644
index 0000000..a9dc0df
--- /dev/null
+++ b/arch/ppc/configs/da923rc_defconfig
@@ -0,0 +1,57 @@
+CONFIG_ARCH_MPC85XX=y
+CONFIG_DA923RC=y
+CONFIG_BAREBOX_MAX_IMAGE_SIZE=0x80000
+CONFIG_BANNER=y
+CONFIG_CMD_READLINE=y
+CONFIG_HUSH_GETOPT=y
+CONFIG_LONGHELP=y
+CONFIG_GLOB=y
+CONFIG_CMDLINE_EDITING=y
+CONFIG_AUTO_COMPLETE=y
+CONFIG_CMD_PARTITION=y
+CONFIG_CMD_BOOTM_ZLIB=y
+CONFIG_CMD_BOOTM_BZLIB=y
+CONFIG_ZLIB=y
+CONFIG_BZLIB=y
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_FLASH=y
+CONFIG_CMD_GO=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC=n
+CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/ppc/boards/geip-da923rc/env/"
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_READLINK=y
+CONFIG_CMD_RESET=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_UNCOMPRESS=y
+CONFIG_NET=y
+CONFIG_NET_PING=y
+CONFIG_NET_TFTP=y
+CONFIG_NET_TFTP_PUSH=y
+CONFIG_FS_TFTP=y
+CONFIG_CMD_TFTP=y
+CONFIG_DRIVER_NET_GIANFAR=y
+CONFIG_CMD_MIITOOL=y
+CONFIG_DRIVER_CFI=y
+CONFIG_DRIVER_CFI_BANK_WIDTH_1=n
+CONFIG_DRIVER_CFI_BANK_WIDTH_2=y
+CONFIG_DRIVER_CFI_BANK_WIDTH_4=n
+CONFIG_CFI_BUFFER_WRITE=y
+CONFIG_MTD=y
+CONFIG_MTD_WRITE=y
+CONFIG_MALLOC_SIZE=0x2800000
+CONFIG_PROMPT="GE> "
+CONFIG_BAUDRATE=9600
+CONFIG_RELOCATABLE=y
+CONFIG_DRIVER_SERIAL_NS16550=y
+CONFIG_SPI=n
+CONFIG_I2C=y
+CONFIG_I2C_IMX=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_VERSION=n
+CONFIG_OFTREE=y
+CONFIG_CMD_OFTREE_PROBE=y
+CONFIG_CMD_OFTREE=y
--
1.7.1
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