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-rw-r--r--board/ifm/o2dnt2/Makefile34
-rw-r--r--board/ifm/o2dnt2/o2dnt2.c400
2 files changed, 434 insertions, 0 deletions
diff --git a/board/ifm/o2dnt2/Makefile b/board/ifm/o2dnt2/Makefile
new file mode 100644
index 0000000..e05b9c1
--- /dev/null
+++ b/board/ifm/o2dnt2/Makefile
@@ -0,0 +1,34 @@
+#
+# (C) Copyright 2005-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS-y := $(BOARD).o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS-y))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(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/ifm/o2dnt2/o2dnt2.c b/board/ifm/o2dnt2/o2dnt2.c
new file mode 100644
index 0000000..40a5305
--- /dev/null
+++ b/board/ifm/o2dnt2/o2dnt2.c
@@ -0,0 +1,400 @@
+/*
+ * Partially derived from board code for digsyMTC,
+ * (C) Copyright 2009
+ * Grzegorz Bernacki, Semihalf, gjb@semihalf.com
+ *
+ * (C) Copyright 2012
+ * DENX Software Engineering, Anatolij Gustschin <agust@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc5xxx.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <net.h>
+#include <pci.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define SDRAM_MODE 0x00CD0000
+#define SDRAM_CONTROL 0x504F0000
+#define SDRAM_CONFIG1 0xD2322800
+#define SDRAM_CONFIG2 0x8AD70000
+
+enum ifm_sensor_type {
+ O2DNT = 0x00, /* !< O2DNT 32MB */
+ O2DNT2 = 0x01, /* !< O2DNT2 64MB */
+ O3DNT = 0x02, /* !< O3DNT 32MB */
+ O3DNT_MIN = 0x40, /* !< O3DNT Minerva 32MB */
+ UNKNOWN = 0xff, /* !< Unknow sensor */
+};
+
+static enum ifm_sensor_type gt_ifm_sensor_type;
+
+#ifndef CONFIG_SYS_RAMBOOT
+static void sdram_start(int hi_addr)
+{
+ struct mpc5xxx_sdram *sdram = (struct mpc5xxx_sdram *)MPC5XXX_SDRAM;
+ long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+ long control = SDRAM_CONTROL | hi_addr_bit;
+
+ /* unlock mode register */
+ out_be32(&sdram->ctrl, control | 0x80000000);
+
+ /* precharge all banks */
+ out_be32(&sdram->ctrl, control | 0x80000002);
+
+ /* auto refresh */
+ out_be32(&sdram->ctrl, control | 0x80000004);
+
+ /* set mode register */
+ out_be32(&sdram->mode, SDRAM_MODE);
+
+ /* normal operation */
+ out_be32(&sdram->ctrl, control);
+}
+#endif
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ * use of CONFIG_SYS_SDRAM_BASE. The code does not work if
+ * CONFIG_SYS_SDRAM_BASE is something else than 0x00000000.
+ */
+phys_size_t initdram(int board_type)
+{
+ struct mpc5xxx_mmap_ctl *mmap_ctl =
+ (struct mpc5xxx_mmap_ctl *)CONFIG_SYS_MBAR;
+ struct mpc5xxx_sdram *sdram = (struct mpc5xxx_sdram *)MPC5XXX_SDRAM;
+ ulong dramsize = 0;
+ ulong dramsize2 = 0;
+ uint svr, pvr;
+
+ if (gt_ifm_sensor_type == O2DNT2) {
+ /* activate SDRAM CS1 */
+ setbits_be32((void *)MPC5XXX_GPS_PORT_CONFIG, 0x80000000);
+ }
+
+#ifndef CONFIG_SYS_RAMBOOT
+ ulong test1, test2;
+
+ /* setup SDRAM chip selects */
+ out_be32(&mmap_ctl->sdram0, 0x0000001E); /* 2 GB at 0x0 */
+ out_be32(&mmap_ctl->sdram1, 0x00000000); /* disabled */
+
+ /* setup config registers */
+ out_be32(&sdram->config1, SDRAM_CONFIG1);
+ out_be32(&sdram->config2, SDRAM_CONFIG2);
+
+ /* find RAM size using SDRAM CS0 only */
+ sdram_start(0);
+ test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000);
+ sdram_start(1);
+ test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x08000000);
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize = test1;
+ } else {
+ dramsize = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize < (1 << 20))
+ dramsize = 0;
+
+ /* set SDRAM CS0 size according to the amount of RAM found */
+ if (dramsize > 0) {
+ out_be32(&mmap_ctl->sdram0,
+ (0x13 + __builtin_ffs(dramsize >> 20) - 1));
+ } else {
+ out_be32(&mmap_ctl->sdram0, 0); /* disabled */
+ }
+
+ /* let SDRAM CS1 start right after CS0 */
+ out_be32(&mmap_ctl->sdram1, dramsize + 0x0000001E); /* 2G */
+
+ /* find RAM size using SDRAM CS1 only */
+ if (!dramsize)
+ sdram_start(0);
+
+ test2 = test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize),
+ 0x80000000);
+ if (!dramsize) {
+ sdram_start(1);
+ test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize),
+ 0x80000000);
+ }
+
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize2 = test1;
+ } else {
+ dramsize2 = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize2 < (1 << 20))
+ dramsize2 = 0;
+
+ /* set SDRAM CS1 size according to the amount of RAM found */
+ if (dramsize2 > 0) {
+ out_be32(&mmap_ctl->sdram1, (dramsize |
+ (0x13 + __builtin_ffs(dramsize2 >> 20) - 1)));
+ } else {
+ out_be32(&mmap_ctl->sdram1, dramsize); /* disabled */
+ }
+
+#else /* CONFIG_SYS_RAMBOOT */
+ /* retrieve size of memory connected to SDRAM CS0 */
+ dramsize = in_be32(&mmap_ctl->sdram0) & 0xFF;
+ if (dramsize >= 0x13)
+ dramsize = (1 << (dramsize - 0x13)) << 20;
+ else
+ dramsize = 0;
+
+ /* retrieve size of memory connected to SDRAM CS1 */
+ dramsize2 = in_be32(&mmap_ctl->sdram1) & 0xFF;
+ if (dramsize2 >= 0x13)
+ dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
+ else
+ dramsize2 = 0;
+
+#endif /* CONFIG_SYS_RAMBOOT */
+
+ /*
+ * On MPC5200B we need to set the special configuration delay in the
+ * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
+ * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
+ *
+ * "The SDelay should be written to a value of 0x00000004. It is
+ * required to account for changes caused by normal wafer processing
+ * parameters."
+ */
+ svr = get_svr();
+ pvr = get_pvr();
+ if ((SVR_MJREV(svr) >= 2) &&
+ (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4))
+ out_be32(&sdram->sdelay, 0x04);
+
+ return dramsize + dramsize2;
+}
+
+
+#define GPT_GPIO_IN 0x4
+
+int checkboard(void)
+{
+ struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt *)MPC5XXX_GPT;
+ unsigned char board_config = 0;
+ int i;
+
+ /* switch gpt0 - gpt7 to input */
+ for (i = 0; i < 7; i++)
+ out_be32(&gpt[i].emsr, GPT_GPIO_IN);
+
+ /* get configuration byte on timer-port */
+ for (i = 0; i < 7; i++)
+ board_config |= (in_be32(&gpt[i].sr) & 0x100) >> (8 - i);
+
+ puts("Board: ");
+
+ switch (board_config) {
+ case 0:
+ puts("O2DNT\n");
+ gt_ifm_sensor_type = O2DNT;
+ break;
+ case 1:
+ puts("O3DNT\n");
+ gt_ifm_sensor_type = O3DNT;
+ break;
+ case 2:
+ puts("O2DNT2\n");
+ gt_ifm_sensor_type = O2DNT2;
+ break;
+ case 64:
+ puts("O3DNT Minerva\n");
+ gt_ifm_sensor_type = O3DNT_MIN;
+ break;
+ default:
+ puts("Unknown\n");
+ gt_ifm_sensor_type = UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+int board_early_init_r(void)
+{
+ struct mpc5xxx_lpb *lpb_regs = (struct mpc5xxx_lpb *)MPC5XXX_LPB;
+
+ /*
+ * Now, when we are in RAM, enable flash write access for detection
+ * process. Note that CS_BOOT cannot be cleared when executing in flash.
+ */
+ clrbits_be32(&lpb_regs->cs0_cfg, 1); /* clear RO */
+ /* disable CS_BOOT */
+ clrbits_be32((void *)MPC5XXX_ADDECR, (1 << 25));
+ /* enable CS0 */
+ setbits_be32((void *)MPC5XXX_ADDECR, (1 << 16));
+
+ return 0;
+}
+
+#define MIIM_LXT971_LED_CFG_REG 0x14
+#define LXT971_LED_CFG_LINK_STATUS 0x4000
+#define LXT971_LED_CFG_RX_TX_ACTIVITY 0x0700
+#define LXT971_LED_CFG_LINK_ACTIVITY 0x00D0
+#define LXT971_LED_CFG_PULSE_STRETCH 0x0002
+/*
+ * Additional PHY intialization after reset in mpc5xxx_fec_init_phy()
+ */
+void reset_phy(void)
+{
+ /*
+ * Set LED configuration bits.
+ * It can't be done in misc_init_r() since FEC is not
+ * initialized at this time. Therefore we do it here.
+ */
+ miiphy_write("FEC", CONFIG_PHY_ADDR, MIIM_LXT971_LED_CFG_REG,
+ LXT971_LED_CFG_LINK_STATUS |
+ LXT971_LED_CFG_RX_TX_ACTIVITY |
+ LXT971_LED_CFG_LINK_ACTIVITY |
+ LXT971_LED_CFG_PULSE_STRETCH);
+}
+
+#if defined(CONFIG_POST)
+/*
+ * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
+ * is left open, no keypress is detected.
+ */
+int post_hotkeys_pressed(void)
+{
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *) MPC5XXX_GPIO;
+
+ /*
+ * Configure PSC6_1 and PSC6_3 as GPIO. PSC6 then couldn't be used in
+ * CODEC or UART mode. Consumer IrDA should still be possible.
+ */
+ clrbits_be32(&gpio->port_config, 0x07000000);
+ setbits_be32(&gpio->port_config, 0x03000000);
+
+ /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
+ setbits_be32(&gpio->simple_gpioe, 0x20000000);
+
+ /* Configure GPIO_IRDA_1 as input */
+ clrbits_be32(&gpio->simple_ddr, 0x20000000);
+
+ return (in_be32(&gpio->simple_ival) & 0x20000000) ? 0 : 1;
+}
+#endif
+
+#ifdef CONFIG_PCI
+static struct pci_controller hose;
+
+void pci_init_board(void)
+{
+ pci_mpc5xxx_init(&hose);
+}
+#endif
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
+static void ft_adapt_flash_base(void *blob)
+{
+ flash_info_t *dev = &flash_info[0];
+ int off;
+ struct fdt_property *prop;
+ int len;
+ u32 *reg, *reg2;
+
+ off = fdt_node_offset_by_compatible(blob, -1, "fsl,mpc5200b-lpb");
+ if (off < 0) {
+ printf("Could not find fsl,mpc5200b-lpb node.\n");
+ return;
+ }
+
+ /* found compatible property */
+ prop = fdt_get_property_w(blob, off, "ranges", &len);
+ if (prop) {
+ reg = reg2 = (u32 *)&prop->data[0];
+
+ reg[2] = dev->start[0];
+ reg[3] = dev->size;
+ fdt_setprop(blob, off, "ranges", reg2, len);
+ } else
+ printf("Could not find ranges\n");
+}
+
+extern ulong flash_get_size(phys_addr_t base, int banknum);
+
+/* Update the flash baseaddr settings */
+int update_flash_size(int flash_size)
+{
+ struct mpc5xxx_mmap_ctl *mm =
+ (struct mpc5xxx_mmap_ctl *) CONFIG_SYS_MBAR;
+ flash_info_t *dev;
+ int i;
+ int size = 0;
+ unsigned long base = 0x0;
+ u32 *cs_reg = (u32 *)&mm->cs0_start;
+
+ for (i = 0; i < 2; i++) {
+ dev = &flash_info[i];
+
+ if (dev->size) {
+ /* calculate new base addr for this chipselect */
+ base -= dev->size;
+ out_be32(cs_reg, START_REG(base));
+ cs_reg++;
+ out_be32(cs_reg, STOP_REG(base, dev->size));
+ cs_reg++;
+ /* recalculate the sectoraddr in the cfi driver */
+ size += flash_get_size(base, i);
+ }
+ }
+ flash_protect_default();
+ gd->bd->bi_flashstart = base;
+ return 0;
+}
+#endif /* defined(CONFIG_SYS_UPDATE_FLASH_SIZE) */
+
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ int phy_addr = CONFIG_PHY_ADDR;
+ char eth_path[] = "/soc5200@f0000000/mdio@3000/ethernet-phy@0";
+
+ ft_cpu_setup(blob, bd);
+
+#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
+#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE
+ /* Update reg property in all nor flash nodes too */
+ fdt_fixup_nor_flash_size(blob);
+#endif
+ ft_adapt_flash_base(blob);
+#endif
+ /* fix up the phy address */
+ do_fixup_by_path(blob, eth_path, "reg", &phy_addr, sizeof(int), 0);
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */