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-rw-r--r--board/imgtec/malta/Makefile10
-rw-r--r--board/imgtec/malta/flash-malta-boot.tcl40
-rw-r--r--board/imgtec/malta/lowlevel_init.S238
-rw-r--r--board/imgtec/malta/malta.c208
-rw-r--r--board/imgtec/malta/superio.c63
-rw-r--r--board/imgtec/malta/superio.h15
6 files changed, 574 insertions, 0 deletions
diff --git a/board/imgtec/malta/Makefile b/board/imgtec/malta/Makefile
new file mode 100644
index 0000000..19dd3a3
--- /dev/null
+++ b/board/imgtec/malta/Makefile
@@ -0,0 +1,10 @@
+#
+# (C) Copyright 2003-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y = malta.o
+obj-y += lowlevel_init.o
+obj-y += superio.o
diff --git a/board/imgtec/malta/flash-malta-boot.tcl b/board/imgtec/malta/flash-malta-boot.tcl
new file mode 100644
index 0000000..0eedf07
--- /dev/null
+++ b/board/imgtec/malta/flash-malta-boot.tcl
@@ -0,0 +1,40 @@
+#
+# Copyright (C) 2013 Imagination Technologies
+#
+# Programs a MIPS Malta boot flash with a flat binary image.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+proc flash-boot { binfile } {
+ puts "flash monitor binary $binfile"
+ config Coherent on
+ config CoherencyDuringLoad on
+
+ if {[endian]=="big"} {
+ puts "CPU in BE mode"
+ flash device sharp_16x32_be;
+ } else {
+ puts "CPU in LE mode"
+ flash device sharp_16x32;
+ }
+
+ flash clear all;
+ flash set 0xBE000000..0xBE0FFFFF
+ flash erase sector 0xbe000000;
+ flash erase sector 0xbe020000;
+ flash erase sector 0xbe040000;
+ flash erase sector 0xbe060000;
+ flash erase sector 0xbe080000;
+ flash erase sector 0xbe0a0000;
+ flash erase sector 0xbe0c0000;
+ flash erase sector 0xbe0e0000;
+ puts "finished erasing boot flash";
+
+ puts "programming flash, please be patient"
+ load bin 0xbe000000 $binfile size4
+
+ flash clear all
+ config CoherencyDuringLoad off
+ puts "finished programming boot flash";
+}
diff --git a/board/imgtec/malta/lowlevel_init.S b/board/imgtec/malta/lowlevel_init.S
new file mode 100644
index 0000000..ae09c27
--- /dev/null
+++ b/board/imgtec/malta/lowlevel_init.S
@@ -0,0 +1,238 @@
+/*
+ * Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <config.h>
+#include <gt64120.h>
+#include <msc01.h>
+#include <pci.h>
+
+#include <asm/addrspace.h>
+#include <asm/regdef.h>
+#include <asm/malta.h>
+#include <asm/mipsregs.h>
+
+#ifdef CONFIG_SYS_BIG_ENDIAN
+#define CPU_TO_GT32(_x) ((_x))
+#else
+#define CPU_TO_GT32(_x) ( \
+ (((_x) & 0xff) << 24) | (((_x) & 0xff00) << 8) | \
+ (((_x) & 0xff0000) >> 8) | (((_x) & 0xff000000) >> 24))
+#endif
+
+ .text
+ .set noreorder
+ .set mips32
+
+ .globl lowlevel_init
+lowlevel_init:
+ /* disable any L2 cache for now */
+ sync
+ mfc0 t0, CP0_CONFIG, 2
+ ori t0, t0, 0x1 << 12
+ mtc0 t0, CP0_CONFIG, 2
+
+ /* detect the core card */
+ li t0, KSEG1ADDR(MALTA_REVISION)
+ lw t0, 0(t0)
+ srl t0, t0, MALTA_REVISION_CORID_SHF
+ andi t0, t0, (MALTA_REVISION_CORID_MSK >> \
+ MALTA_REVISION_CORID_SHF)
+
+ /* core cards using the gt64120 system controller */
+ li t1, MALTA_REVISION_CORID_CORE_LV
+ beq t0, t1, _gt64120
+
+ /* core cards using the MSC01 system controller */
+ li t1, MALTA_REVISION_CORID_CORE_FPGA6
+ beq t0, t1, _msc01
+ nop
+
+ /* unknown system controller */
+ b .
+ nop
+
+ /*
+ * Load BAR registers of GT64120 as done by YAMON
+ *
+ * based on a patch sent by Antony Pavlov <antonynpavlov@gmail.com>
+ * to the barebox mailing list.
+ * The subject of the original patch:
+ * 'MIPS: qemu-malta: add YAMON-style GT64120 memory map'
+ * URL:
+ * http://www.mail-archive.com/barebox@lists.infradead.org/msg06128.html
+ *
+ * based on write_bootloader() in qemu.git/hw/mips_malta.c
+ * see GT64120 manual and qemu.git/hw/gt64xxx.c for details
+ */
+_gt64120:
+ /* move GT64120 registers from 0x14000000 to 0x1be00000 */
+ li t1, KSEG1ADDR(GT_DEF_BASE)
+ li t0, CPU_TO_GT32(0xdf000000)
+ sw t0, GT_ISD_OFS(t1)
+
+ /* setup MEM-to-PCI0 mapping */
+ li t1, KSEG1ADDR(MALTA_GT_BASE)
+
+ /* setup PCI0 io window to 0x18000000-0x181fffff */
+ li t0, CPU_TO_GT32(0xc0000000)
+ sw t0, GT_PCI0IOLD_OFS(t1)
+ li t0, CPU_TO_GT32(0x40000000)
+ sw t0, GT_PCI0IOHD_OFS(t1)
+
+ /* setup PCI0 mem windows */
+ li t0, CPU_TO_GT32(0x80000000)
+ sw t0, GT_PCI0M0LD_OFS(t1)
+ li t0, CPU_TO_GT32(0x3f000000)
+ sw t0, GT_PCI0M0HD_OFS(t1)
+
+ li t0, CPU_TO_GT32(0xc1000000)
+ sw t0, GT_PCI0M1LD_OFS(t1)
+ li t0, CPU_TO_GT32(0x5e000000)
+ sw t0, GT_PCI0M1HD_OFS(t1)
+
+ jr ra
+ nop
+
+ /*
+ *
+ */
+_msc01:
+ /* setup peripheral bus controller clock divide */
+ li t0, KSEG1ADDR(MALTA_MSC01_PBC_BASE)
+ li t1, 0x1 << MSC01_PBC_CLKCFG_SHF
+ sw t1, MSC01_PBC_CLKCFG_OFS(t0)
+
+ /* tweak peripheral bus controller timings */
+ li t1, (0x1 << MSC01_PBC_CS0TIM_CDT_SHF) | \
+ (0x1 << MSC01_PBC_CS0TIM_CAT_SHF)
+ sw t1, MSC01_PBC_CS0TIM_OFS(t0)
+ li t1, (0x0 << MSC01_PBC_CS0RW_RDT_SHF) | \
+ (0x2 << MSC01_PBC_CS0RW_RAT_SHF) | \
+ (0x0 << MSC01_PBC_CS0RW_WDT_SHF) | \
+ (0x2 << MSC01_PBC_CS0RW_WAT_SHF)
+ sw t1, MSC01_PBC_CS0RW_OFS(t0)
+ lw t1, MSC01_PBC_CS0CFG_OFS(t0)
+ li t2, MSC01_PBC_CS0CFG_DTYP_MSK
+ and t1, t2
+ ori t1, (0x0 << MSC01_PBC_CS0CFG_ADM_SHF) | \
+ (0x3 << MSC01_PBC_CS0CFG_WSIDLE_SHF) | \
+ (0x10 << MSC01_PBC_CS0CFG_WS_SHF)
+ sw t1, MSC01_PBC_CS0CFG_OFS(t0)
+
+ /* setup basic address decode */
+ li t0, KSEG1ADDR(MALTA_MSC01_BIU_BASE)
+ li t1, 0x0
+ li t2, -CONFIG_SYS_MEM_SIZE
+ sw t1, MSC01_BIU_MCBAS1L_OFS(t0)
+ sw t2, MSC01_BIU_MCMSK1L_OFS(t0)
+ sw t1, MSC01_BIU_MCBAS2L_OFS(t0)
+ sw t2, MSC01_BIU_MCMSK2L_OFS(t0)
+
+ /* initialise IP1 - unused */
+ li t1, MALTA_MSC01_IP1_BASE
+ li t2, -MALTA_MSC01_IP1_SIZE
+ sw t1, MSC01_BIU_IP1BAS1L_OFS(t0)
+ sw t2, MSC01_BIU_IP1MSK1L_OFS(t0)
+ sw t1, MSC01_BIU_IP1BAS2L_OFS(t0)
+ sw t2, MSC01_BIU_IP1MSK2L_OFS(t0)
+
+ /* initialise IP2 - PCI */
+ li t1, MALTA_MSC01_IP2_BASE1
+ li t2, -MALTA_MSC01_IP2_SIZE1
+ sw t1, MSC01_BIU_IP2BAS1L_OFS(t0)
+ sw t2, MSC01_BIU_IP2MSK1L_OFS(t0)
+ li t1, MALTA_MSC01_IP2_BASE2
+ li t2, -MALTA_MSC01_IP2_SIZE2
+ sw t1, MSC01_BIU_IP2BAS2L_OFS(t0)
+ sw t2, MSC01_BIU_IP2MSK2L_OFS(t0)
+
+ /* initialise IP3 - peripheral bus controller */
+ li t1, MALTA_MSC01_IP3_BASE
+ li t2, -MALTA_MSC01_IP3_SIZE
+ sw t1, MSC01_BIU_IP3BAS1L_OFS(t0)
+ sw t2, MSC01_BIU_IP3MSK1L_OFS(t0)
+ sw t1, MSC01_BIU_IP3BAS2L_OFS(t0)
+ sw t2, MSC01_BIU_IP3MSK2L_OFS(t0)
+
+ /* setup PCI memory */
+ li t0, KSEG1ADDR(MALTA_MSC01_PCI_BASE)
+ li t1, MALTA_MSC01_PCIMEM_BASE
+ li t2, (-MALTA_MSC01_PCIMEM_SIZE) & MSC01_PCI_SC2PMMSKL_MSK_MSK
+ li t3, MALTA_MSC01_PCIMEM_MAP
+ sw t1, MSC01_PCI_SC2PMBASL_OFS(t0)
+ sw t2, MSC01_PCI_SC2PMMSKL_OFS(t0)
+ sw t3, MSC01_PCI_SC2PMMAPL_OFS(t0)
+
+ /* setup PCI I/O */
+ li t1, MALTA_MSC01_PCIIO_BASE
+ li t2, (-MALTA_MSC01_PCIIO_SIZE) & MSC01_PCI_SC2PIOMSKL_MSK_MSK
+ li t3, MALTA_MSC01_PCIIO_MAP
+ sw t1, MSC01_PCI_SC2PIOBASL_OFS(t0)
+ sw t2, MSC01_PCI_SC2PIOMSKL_OFS(t0)
+ sw t3, MSC01_PCI_SC2PIOMAPL_OFS(t0)
+
+ /* setup PCI_BAR0 memory window */
+ li t1, -CONFIG_SYS_MEM_SIZE
+ sw t1, MSC01_PCI_BAR0_OFS(t0)
+
+ /* setup PCI to SysCon/CPU translation */
+ sw t1, MSC01_PCI_P2SCMSKL_OFS(t0)
+ sw zero, MSC01_PCI_P2SCMAPL_OFS(t0)
+
+ /* setup PCI vendor & device IDs */
+ li t1, (PCI_VENDOR_ID_MIPS << MSC01_PCI_HEAD0_VENDORID_SHF) | \
+ (PCI_DEVICE_ID_MIPS_MSC01 << MSC01_PCI_HEAD0_DEVICEID_SHF)
+ sw t1, MSC01_PCI_HEAD0_OFS(t0)
+
+ /* setup PCI subsystem vendor & device IDs */
+ sw t1, MSC01_PCI_HEAD11_OFS(t0)
+
+ /* setup PCI class, revision */
+ li t1, (PCI_CLASS_BRIDGE_HOST << MSC01_PCI_HEAD2_CLASS_SHF) | \
+ (0x1 << MSC01_PCI_HEAD2_REV_SHF)
+ sw t1, MSC01_PCI_HEAD2_OFS(t0)
+
+ /* ensure a sane setup */
+ sw zero, MSC01_PCI_HEAD3_OFS(t0)
+ sw zero, MSC01_PCI_HEAD4_OFS(t0)
+ sw zero, MSC01_PCI_HEAD5_OFS(t0)
+ sw zero, MSC01_PCI_HEAD6_OFS(t0)
+ sw zero, MSC01_PCI_HEAD7_OFS(t0)
+ sw zero, MSC01_PCI_HEAD8_OFS(t0)
+ sw zero, MSC01_PCI_HEAD9_OFS(t0)
+ sw zero, MSC01_PCI_HEAD10_OFS(t0)
+ sw zero, MSC01_PCI_HEAD12_OFS(t0)
+ sw zero, MSC01_PCI_HEAD13_OFS(t0)
+ sw zero, MSC01_PCI_HEAD14_OFS(t0)
+ sw zero, MSC01_PCI_HEAD15_OFS(t0)
+
+ /* setup PCI command register */
+ li t1, (PCI_COMMAND_FAST_BACK | \
+ PCI_COMMAND_SERR | \
+ PCI_COMMAND_PARITY | \
+ PCI_COMMAND_MASTER | \
+ PCI_COMMAND_MEMORY)
+ sw t1, MSC01_PCI_HEAD1_OFS(t0)
+
+ /* setup PCI byte swapping */
+#ifdef CONFIG_SYS_BIG_ENDIAN
+ li t1, (0x1 << MSC01_PCI_SWAP_BAR0_BSWAP_SHF) | \
+ (0x1 << MSC01_PCI_SWAP_IO_BSWAP_SHF)
+ sw t1, MSC01_PCI_SWAP_OFS(t0)
+#else
+ sw zero, MSC01_PCI_SWAP_OFS(t0)
+#endif
+
+ /* enable PCI host configuration cycles */
+ lw t1, MSC01_PCI_CFG_OFS(t0)
+ li t2, MSC01_PCI_CFG_RA_MSK | \
+ MSC01_PCI_CFG_G_MSK | \
+ MSC01_PCI_CFG_EN_MSK
+ or t1, t1, t2
+ sw t1, MSC01_PCI_CFG_OFS(t0)
+
+ jr ra
+ nop
diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c
new file mode 100644
index 0000000..a1a4c01
--- /dev/null
+++ b/board/imgtec/malta/malta.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2013 Imagination Technologies
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <pci.h>
+#include <pci_gt64120.h>
+#include <pci_msc01.h>
+#include <rtc.h>
+#include <serial.h>
+
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/malta.h>
+
+#include "superio.h"
+
+enum core_card {
+ CORE_UNKNOWN,
+ CORE_LV,
+ CORE_FPGA6,
+};
+
+enum sys_con {
+ SYSCON_UNKNOWN,
+ SYSCON_GT64120,
+ SYSCON_MSC01,
+};
+
+static void malta_lcd_puts(const char *str)
+{
+ int i;
+ void *reg = (void *)CKSEG1ADDR(MALTA_ASCIIPOS0);
+
+ /* print up to 8 characters of the string */
+ for (i = 0; i < min(strlen(str), 8); i++) {
+ __raw_writel(str[i], reg);
+ reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0;
+ }
+
+ /* fill the rest of the display with spaces */
+ for (; i < 8; i++) {
+ __raw_writel(' ', reg);
+ reg += MALTA_ASCIIPOS1 - MALTA_ASCIIPOS0;
+ }
+}
+
+static enum core_card malta_core_card(void)
+{
+ u32 corid, rev;
+
+ rev = __raw_readl(CKSEG1ADDR(MALTA_REVISION));
+ corid = (rev & MALTA_REVISION_CORID_MSK) >> MALTA_REVISION_CORID_SHF;
+
+ switch (corid) {
+ case MALTA_REVISION_CORID_CORE_LV:
+ return CORE_LV;
+
+ case MALTA_REVISION_CORID_CORE_FPGA6:
+ return CORE_FPGA6;
+
+ default:
+ return CORE_UNKNOWN;
+ }
+}
+
+static enum sys_con malta_sys_con(void)
+{
+ switch (malta_core_card()) {
+ case CORE_LV:
+ return SYSCON_GT64120;
+
+ case CORE_FPGA6:
+ return SYSCON_MSC01;
+
+ default:
+ return SYSCON_UNKNOWN;
+ }
+}
+
+phys_size_t initdram(int board_type)
+{
+ return CONFIG_SYS_MEM_SIZE;
+}
+
+int checkboard(void)
+{
+ enum core_card core;
+
+ malta_lcd_puts("U-boot");
+ puts("Board: MIPS Malta");
+
+ core = malta_core_card();
+ switch (core) {
+ case CORE_LV:
+ puts(" CoreLV");
+ break;
+
+ case CORE_FPGA6:
+ puts(" CoreFPGA6");
+ break;
+
+ default:
+ puts(" CoreUnknown");
+ }
+
+ putc('\n');
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return pci_eth_init(bis);
+}
+
+void _machine_restart(void)
+{
+ void __iomem *reset_base;
+
+ reset_base = (void __iomem *)CKSEG1ADDR(MALTA_RESET_BASE);
+ __raw_writel(GORESET, reset_base);
+}
+
+int board_early_init_f(void)
+{
+ void *io_base;
+
+ /* choose correct PCI I/O base */
+ switch (malta_sys_con()) {
+ case SYSCON_GT64120:
+ io_base = (void *)CKSEG1ADDR(MALTA_GT_PCIIO_BASE);
+ break;
+
+ case SYSCON_MSC01:
+ io_base = (void *)CKSEG1ADDR(MALTA_MSC01_PCIIO_BASE);
+ break;
+
+ default:
+ return -1;
+ }
+
+ /* setup FDC37M817 super I/O controller */
+ malta_superio_init(io_base);
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ rtc_reset();
+
+ return 0;
+}
+
+struct serial_device *default_serial_console(void)
+{
+ switch (malta_sys_con()) {
+ case SYSCON_GT64120:
+ return &eserial1_device;
+
+ default:
+ case SYSCON_MSC01:
+ return &eserial2_device;
+ }
+}
+
+void pci_init_board(void)
+{
+ pci_dev_t bdf;
+
+ switch (malta_sys_con()) {
+ case SYSCON_GT64120:
+ set_io_port_base(CKSEG1ADDR(MALTA_GT_PCIIO_BASE));
+
+ gt64120_pci_init((void *)CKSEG1ADDR(MALTA_GT_BASE),
+ 0x00000000, 0x00000000, CONFIG_SYS_MEM_SIZE,
+ 0x10000000, 0x10000000, 128 * 1024 * 1024,
+ 0x00000000, 0x00000000, 0x20000);
+ break;
+
+ default:
+ case SYSCON_MSC01:
+ set_io_port_base(CKSEG1ADDR(MALTA_MSC01_PCIIO_BASE));
+
+ msc01_pci_init((void *)CKSEG1ADDR(MALTA_MSC01_PCI_BASE),
+ 0x00000000, 0x00000000, CONFIG_SYS_MEM_SIZE,
+ MALTA_MSC01_PCIMEM_MAP,
+ CKSEG1ADDR(MALTA_MSC01_PCIMEM_BASE),
+ MALTA_MSC01_PCIMEM_SIZE, MALTA_MSC01_PCIIO_MAP,
+ 0x00000000, MALTA_MSC01_PCIIO_SIZE);
+ break;
+ }
+
+ bdf = pci_find_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB_0, 0);
+ if (bdf == -1)
+ panic("Failed to find PIIX4 PCI bridge\n");
+
+ /* setup PCI interrupt routing */
+ pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCA, 10);
+ pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCB, 10);
+ pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCC, 11);
+ pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCD, 11);
+}
diff --git a/board/imgtec/malta/superio.c b/board/imgtec/malta/superio.c
new file mode 100644
index 0000000..eaa14df
--- /dev/null
+++ b/board/imgtec/malta/superio.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * Setup code for the FDC37M817 super I/O controller
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+#define SIO_CONF_PORT 0x3f0
+#define SIO_DATA_PORT 0x3f1
+
+enum sio_conf_key {
+ SIOCONF_DEVNUM = 0x07,
+ SIOCONF_ACTIVATE = 0x30,
+ SIOCONF_ENTER_SETUP = 0x55,
+ SIOCONF_BASE_HIGH = 0x60,
+ SIOCONF_BASE_LOW = 0x61,
+ SIOCONF_PRIMARY_INT = 0x70,
+ SIOCONF_EXIT_SETUP = 0xaa,
+ SIOCONF_MODE = 0xf0,
+};
+
+static struct {
+ u8 key;
+ u8 data;
+} sio_config[] = {
+ /* tty0 */
+ { SIOCONF_DEVNUM, 0x04 },
+ { SIOCONF_BASE_HIGH, 0x03 },
+ { SIOCONF_BASE_LOW, 0xf8 },
+ { SIOCONF_MODE, 0x02 },
+ { SIOCONF_PRIMARY_INT, 0x04 },
+ { SIOCONF_ACTIVATE, 0x01 },
+
+ /* tty1 */
+ { SIOCONF_DEVNUM, 0x05 },
+ { SIOCONF_BASE_HIGH, 0x02 },
+ { SIOCONF_BASE_LOW, 0xf8 },
+ { SIOCONF_MODE, 0x02 },
+ { SIOCONF_PRIMARY_INT, 0x03 },
+ { SIOCONF_ACTIVATE, 0x01 },
+};
+
+void malta_superio_init(void *io_base)
+{
+ unsigned i;
+
+ /* enter config state */
+ writeb(SIOCONF_ENTER_SETUP, io_base + SIO_CONF_PORT);
+
+ /* configure peripherals */
+ for (i = 0; i < ARRAY_SIZE(sio_config); i++) {
+ writeb(sio_config[i].key, io_base + SIO_CONF_PORT);
+ writeb(sio_config[i].data, io_base + SIO_DATA_PORT);
+ }
+
+ /* exit config state */
+ writeb(SIOCONF_EXIT_SETUP, io_base + SIO_CONF_PORT);
+}
diff --git a/board/imgtec/malta/superio.h b/board/imgtec/malta/superio.h
new file mode 100644
index 0000000..1450da5
--- /dev/null
+++ b/board/imgtec/malta/superio.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * Setup code for the FDC37M817 super I/O controller
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __BOARD_MALTA_SUPERIO_H__
+#define __BOARD_MALTA_SUPERIO_H__
+
+extern void malta_superio_init(void *io_base);
+
+#endif /* __BOARD_MALTA_SUPERIO_H__ */