The patch adds new POST tests for the Lwmon5 board. These are:
authorYuri Tikhonov <yur@pollux.denx.de>
Mon, 4 Feb 2008 13:10:42 +0000 (14:10 +0100)
committerWolfgang Denk <wd@denx.de>
Tue, 18 Mar 2008 21:24:47 +0000 (22:24 +0100)
* External Watchdog test;
* dsPIC tests;
* FPGA test;
* GDC test;
* Sysmon tests.

Signed-off-by: Dmitry Rakhchev <rda@emcraft.com>
Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
12 files changed:
board/lwmon5/lwmon5.c
include/configs/lwmon5.h
include/post.h
include/ppc440.h
post/board/lwmon5/Makefile [new file with mode: 0644]
post/board/lwmon5/dsp.c [new file with mode: 0644]
post/board/lwmon5/dspic.c [new file with mode: 0644]
post/board/lwmon5/fpga.c [new file with mode: 0644]
post/board/lwmon5/gdc.c [new file with mode: 0644]
post/board/lwmon5/sysmon.c [new file with mode: 0644]
post/board/lwmon5/watchdog.c [new file with mode: 0644]
post/tests.c

index 815c01f4e4827973a58aa3bd71f76fb674b719d4..73d5de5886b80d99f44417404da4c6c0a17a9bf9 100644 (file)
@@ -96,6 +96,25 @@ int board_early_init_f(void)
 
        gpio_write_bit(CFG_GPIO_FLASH_WP, 1);
 
+#if CONFIG_POST & CFG_POST_BSPEC1
+       gpio_write_bit(CFG_GPIO_HIGHSIDE, 1);
+
+       reg = 0; /* reuse as counter */
+       out_be32((void *)CFG_DSPIC_TEST_ADDR,
+               in_be32((void *)CFG_DSPIC_TEST_ADDR)
+                       & ~CFG_DSPIC_TEST_MASK);
+       while (!gpio_read_in_bit(CFG_GPIO_DSPIC_READY) && reg++ < 1000) {
+               udelay(1000);
+       }
+       gpio_write_bit(CFG_GPIO_HIGHSIDE, 0);
+       if (gpio_read_in_bit(CFG_GPIO_DSPIC_READY)) {
+               /* set "boot error" flag */
+               out_be32((void *)CFG_DSPIC_TEST_ADDR,
+                       in_be32((void *)CFG_DSPIC_TEST_ADDR) |
+                       CFG_DSPIC_TEST_MASK);
+       }
+#endif
+
        /*
         * Reset PHY's:
         * The PHY's need a 2nd reset pulse, since the MDIO address is latched
index c3f10c75a8609ccbfe8055a7a5b6bf1d935c943f..6489e0eef69eef35d5f912b2994550c357325e16 100644 (file)
 #define CFG_POST_ALT_WORD_ADDR (CFG_PERIPHERAL_BASE + GPT0_COMP6)
                                                /* unused GPT0 COMP reg */
 
+/* Additional registers for watchdog timer post test */
+
+#define CFG_DSPIC_TEST_ADDR    (CFG_PERIPHERAL_BASE + GPT0_COMP5)
+#define CFG_WATCHDOG_TIME_ADDR (CFG_PERIPHERAL_BASE + GPT0_COMP4)
+#define CFG_WATCHDOG_FLAGS_ADDR        (CFG_PERIPHERAL_BASE + GPT0_COMP5)
+#define CFG_WATCHDOG_MAGIC     0x12480000
+#define CFG_WATCHDOG_MAGIC_MASK        0xFFFF0000
+#define CFG_DSPIC_TEST_MASK    0x00000001
+
 /*-----------------------------------------------------------------------
  * Serial Port
  *----------------------------------------------------------------------*/
                                 CFG_POST_MEMORY   | \
                                 CFG_POST_RTC      | \
                                 CFG_POST_SPR      | \
-                                CFG_POST_UART)
+                                CFG_POST_UART     | \
+                                CFG_POST_SYSMON   | \
+                                CFG_POST_WATCHDOG | \
+                                CFG_POST_DSP      | \
+                                CFG_POST_BSPEC1   | \
+                                CFG_POST_BSPEC2   | \
+                                CFG_POST_BSPEC3   | \
+                                CFG_POST_BSPEC4   | \
+                                CFG_POST_BSPEC5)
+
+#define CONFIG_POST_WATCHDOG  {\
+       "Watchdog timer test",                          \
+       "watchdog",                                     \
+       "This test checks the watchdog timer.",         \
+       POST_RAM | POST_POWERON | POST_SLOWTEST | POST_MANUAL | POST_REBOOT, \
+       &lwmon5_watchdog_post_test,                     \
+       NULL,                                           \
+       NULL,                                           \
+       CFG_POST_WATCHDOG                               \
+       }
+
+#define CONFIG_POST_BSPEC1    {\
+       "dsPIC init test",                              \
+       "dspic_init",                                   \
+       "This test returns result of dsPIC READY test run earlier.",    \
+       POST_RAM | POST_ALWAYS,                         \
+       &dspic_init_post_test,                          \
+       NULL,                                           \
+       NULL,                                           \
+       CFG_POST_BSPEC1                                 \
+       }
+
+#define CONFIG_POST_BSPEC2    {\
+       "dsPIC test",                                   \
+       "dspic",                                        \
+       "This test gets result of dsPIC POST and dsPIC version.",       \
+       POST_RAM | POST_ALWAYS,                         \
+       &dspic_post_test,                               \
+       NULL,                                           \
+       NULL,                                           \
+       CFG_POST_BSPEC2                                 \
+       }
+
+#define CONFIG_POST_BSPEC3    {\
+       "FPGA test",                                    \
+       "fpga",                                         \
+       "This test checks FPGA registers and memory.",  \
+       POST_RAM | POST_ALWAYS,                         \
+       &fpga_post_test,                                \
+       NULL,                                           \
+       NULL,                                           \
+       CFG_POST_BSPEC3                                 \
+       }
+
+#define CONFIG_POST_BSPEC4    {\
+       "GDC test",                                     \
+       "gdc",                                          \
+       "This test checks GDC registers and memory.",   \
+       POST_RAM | POST_ALWAYS,                         \
+       &gdc_post_test,                                 \
+       NULL,                                           \
+       NULL,                                           \
+       CFG_POST_BSPEC4                                 \
+       }
+
+#define CONFIG_POST_BSPEC5    {\
+       "SYSMON1 test",                                 \
+       "sysmon1",                                      \
+       "This test checks GPIO_62_EPX pin indicating power failure.",   \
+       POST_RAM | POST_MANUAL | POST_NORMAL | POST_SLOWTEST,   \
+       &sysmon1_post_test,                             \
+       NULL,                                           \
+       NULL,                                           \
+       CFG_POST_BSPEC5                                 \
+       }
 
 #define CFG_POST_CACHE_ADDR    0x7fff0000 /* free virtual address      */
 #define CONFIG_LOGBUFFER
 #define CONFIG_RTC_PCF8563     1               /* enable Philips PCF8563 RTC   */
 #define CFG_I2C_RTC_ADDR       0x51            /* Philips PCF8563 RTC address  */
 #define CFG_I2C_KEYBD_ADDR     0x56            /* PIC LWE keyboard             */
+#define CFG_I2C_DSPIC_IO_ADDR  0x57            /* PIC I/O addr               */
 
 #define        CONFIG_POST_KEY_MAGIC   "3C+3E" /* press F3 + F5 keys to force POST */
 #if 0
 #define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC                         */
 #define CFG_PCI_SUBSYS_ID       0xcafe /* Whatever                     */
 
-/*
- * ToDo: Watchdog is not test fully, so exclude it for now
- */
 #define CONFIG_HW_WATCHDOG     1       /* Use external HW-Watchdog     */
 #define CONFIG_WD_PERIOD       40000   /* in usec */
 
 #define CFG_GPIO_PHY1_RST      12
 #define CFG_GPIO_FLASH_WP      14
 #define CFG_GPIO_PHY0_RST      22
+#define CFG_GPIO_DSPIC_READY   51
 #define CFG_GPIO_EEPROM_EXT_WP 55
+#define CFG_GPIO_HIGHSIDE      56
 #define CFG_GPIO_EEPROM_INT_WP 57
 #define CFG_GPIO_LIME_S                59
 #define CFG_GPIO_LIME_RST      60
+#define CFG_GPIO_SYSMON_STATUS 62
 #define CFG_GPIO_WATCHDOG      63
 
 /*-----------------------------------------------------------------------
index c8062bbbc17a2dad8e09e63dbd423dbabd86878c..12c0e920010f3b2da4a163ff3fe694197e2c28a5 100644 (file)
@@ -93,6 +93,11 @@ extern int post_hotkeys_pressed(void);
 #define CFG_POST_CODEC         0x00002000
 #define CFG_POST_FPU           0x00004000
 #define CFG_POST_ECC           0x00008000
+#define CFG_POST_BSPEC1                0x00010000
+#define CFG_POST_BSPEC2                0x00020000
+#define CFG_POST_BSPEC3                0x00040000
+#define CFG_POST_BSPEC4                0x00080000
+#define CFG_POST_BSPEC5                0x00100000
 
 #endif /* CONFIG_POST */
 
index 80dd33235c761f37ab1b109247172b84e01d402a..6e3b68d675c879321a93c81908e1a28f7367cc2b 100644 (file)
 #define   SDR0_MFR_PKT_REJ_POL         0x00200000   /* Packet Reject Polarity */
 
 #define GPT0_COMP6                     0x00000098
+#define GPT0_COMP5                     0x00000094
+#define GPT0_COMP4                     0x00000090
+#define GPT0_COMP3                     0x0000008C
 
 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 #define SDR0_USB2D0CR                 0x0320
diff --git a/post/board/lwmon5/Makefile b/post/board/lwmon5/Makefile
new file mode 100644 (file)
index 0000000..5a92d1c
--- /dev/null
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+#
+# Developed for DENX Software Engineering GmbH
+#
+# 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
+
+LIB    = libpostlwmon5.a
+
+COBJS  = sysmon.o watchdog.o dspic.o fpga.o dsp.o gdc.o
+
+include $(TOPDIR)/post/rules.mk
diff --git a/post/board/lwmon5/dsp.c b/post/board/lwmon5/dsp.c
new file mode 100644 (file)
index 0000000..1946f09
--- /dev/null
@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * 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>
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+
+#if CONFIG_POST & CFG_POST_DSP
+#include <asm/io.h>
+
+/* This test verifies DSP status bits in FPGA */
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define DSP_STATUS_REG 0xC4000008
+
+int dsp_post_test(int flags)
+{
+       uint   read_value;
+       int    ret;
+
+       ret = 0;
+       read_value = in_be32((void *)DSP_STATUS_REG) & 0x3;
+       if (read_value != 0x3) {
+               post_log("\nDSP status read %08X\n", read_value);
+               ret = 1;
+       }
+
+       return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_DSP */
+#endif /* CONFIG_POST */
diff --git a/post/board/lwmon5/dspic.c b/post/board/lwmon5/dspic.c
new file mode 100644 (file)
index 0000000..897a852
--- /dev/null
@@ -0,0 +1,108 @@
+/*
+ * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * 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>
+
+#ifdef CONFIG_POST
+
+/* There are two tests for dsPIC currently implemented:
+ * 1. dsPIC ready test. Done in board_early_init_f(). Only result verified here.
+ * 2. dsPIC POST result test.  This test gets dsPIC POST codes and version.
+ */
+
+#include <post.h>
+
+#include <i2c.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define DSPIC_POST_ERROR_REG   0x800
+#define DSPIC_SYS_ERROR_REG    0x802
+#define DSPIC_VERSION_REG      0x804
+
+#if CONFIG_POST & CFG_POST_BSPEC1
+
+/* Verify that dsPIC ready test done early at hw init passed ok */
+int dspic_init_post_test(int flags)
+{
+       if (in_be32((void *)CFG_DSPIC_TEST_ADDR) & CFG_DSPIC_TEST_MASK) {
+               post_log("dsPIC init test failed\n");
+               return 1;
+       }
+
+       return 0;
+}
+
+#endif /* CONFIG_POST & CFG_POST_BSPEC1 */
+
+#if CONFIG_POST & CFG_POST_BSPEC2
+/* Read a register from the dsPIC. */
+int dspic_read(ushort reg)
+{
+       uchar buf[2];
+
+       if (i2c_read(CFG_I2C_DSPIC_IO_ADDR, reg, 2, buf, 2))
+               return -1;
+
+       return (uint)((buf[0] << 8) | buf[1]);
+}
+
+/* Verify error codes regs, display version */
+int dspic_post_test(int flags)
+{
+       int data;
+       int ret = 0;
+
+       post_log("\n");
+       data = dspic_read(DSPIC_VERSION_REG);
+       if (data == -1) {
+               post_log("dsPIC : failed read version\n");
+               ret = 1;
+       } else {
+               post_log("dsPIC version: %u.%u\n",
+                       (data >> 8) & 0xFF, data & 0xFF);
+       }
+
+       data = dspic_read(DSPIC_POST_ERROR_REG);
+       if (data != 0) ret = 1;
+       if (data == -1) {
+               post_log("dsPIC : failed read POST code\n");
+       } else {
+               post_log("dsPIC POST code 0x%04X\n", data);
+       }
+
+       data = dspic_read(DSPIC_SYS_ERROR_REG);
+       if (data != 0) ret = 1;
+       if (data == -1) {
+               post_log("dsPIC : failed read system error\n");
+       } else {
+               post_log("dsPIC SYS-ERROR code: 0x%04X\n", data);
+       }
+
+       return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_BSPEC2 */
+#endif /* CONFIG_POST */
diff --git a/post/board/lwmon5/fpga.c b/post/board/lwmon5/fpga.c
new file mode 100644 (file)
index 0000000..7a36c16
--- /dev/null
@@ -0,0 +1,103 @@
+/*
+ * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * 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>
+
+#ifdef CONFIG_POST
+
+/* This test performs testing of FPGA SCRATCH register,
+ * gets FPGA version and run get_ram_size() on FPGA memory
+ */
+
+#include <post.h>
+
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define FPGA_SCRATCH_REG       0xC4000050
+#define FPGA_VERSION_REG       0xC4000040
+#define FPGA_RAM_START         0xC4200000
+#define FPGA_RAM_END           0xC4203FFF
+
+#define FPGA_PWM_CTRL_REG      0xC4000020
+#define FPGA_PWM_TV_REG                0xC4000024
+
+/* Turn on backlight, set brightness */
+void fpga_backlight_enable(int pwm)
+{
+       out_be16((void *)FPGA_PWM_CTRL_REG, 0x0701);
+       out_be16((void *)FPGA_PWM_TV_REG, pwm);
+}
+
+#if CONFIG_POST & CFG_POST_BSPEC3
+
+static int one_scratch_test(uint value)
+{
+       uint read_value;
+       int ret = 0;
+
+       out_be32((void *)FPGA_SCRATCH_REG, value);
+       /* read other location (protect against data lines capacity) */
+       ret = in_be16((void *)FPGA_VERSION_REG);
+       /* verify test pattern */
+       read_value = in_be32((void *)FPGA_SCRATCH_REG);
+       if (read_value != value) {
+               post_log("FPGA SCRATCH test failed write %08X, read %08X\n",
+                       value, read_value);
+               ret = 1;
+       }
+
+       return ret;
+}
+
+/* Verify FPGA, get version & memory size */
+int fpga_post_test(int flags)
+{
+       uint   old_value;
+       ushort version;
+       uint   read_value;
+       int    ret = 0;
+
+       post_log("\n");
+       old_value = in_be32((void *)FPGA_SCRATCH_REG);
+
+       if (one_scratch_test(0x55555555))
+               ret = 1;
+       if (one_scratch_test(0xAAAAAAAA))
+               ret = 1;
+
+       out_be32((void *)FPGA_SCRATCH_REG, old_value);
+
+       version = in_be16((void *)FPGA_VERSION_REG);
+       post_log("FPGA : version %u.%u\n",
+               (version >> 8) & 0xFF, version & 0xFF);
+
+       read_value = get_ram_size((void *)CFG_FPGA_BASE_1, 0x4000);
+       post_log("FPGA RAM size: %d bytes\n", read_value);
+
+       return ret;
+}
+
+#endif /* CONFIG_POST & CFG_POST_BSPEC3 */
+#endif /* CONFIG_POST */
diff --git a/post/board/lwmon5/gdc.c b/post/board/lwmon5/gdc.c
new file mode 100644 (file)
index 0000000..42da370
--- /dev/null
@@ -0,0 +1,93 @@
+/*
+ * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * 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>
+
+#ifdef CONFIG_POST
+
+/* This test attempts to verify board GDC. A scratch register tested, then
+ * simple memory test (get_ram_size()) run over GDC memory.
+ */
+
+#include <post.h>
+
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define GDC_SCRATCH_REG 0xC1FF8044
+#define GDC_VERSION_REG 0xC1FF8084
+#define GDC_RAM_START   0xC0000000
+#define GDC_RAM_END     0xC2000000
+
+#if CONFIG_POST & CFG_POST_BSPEC4
+
+static int gdc_test_reg_one(uint value)
+{
+       int ret = 0;
+       uint read_value;
+
+       /* write test pattern */
+       out_be32((void *)GDC_SCRATCH_REG, value);
+       /* read other location (protect against data lines capacity) */
+       ret = in_be32((void *)GDC_RAM_START);
+       /* verify test pattern */
+       read_value = in_be32((void *)GDC_SCRATCH_REG);
+       if (read_value != value) {
+               post_log("GDC SCRATCH test failed write %08X, read %08X\n",
+                       value, read_value);
+               ret = 1;
+       }
+
+       return ret;
+}
+
+/* Verify GDC, get memory size */
+int gdc_post_test(int flags)
+{
+       uint   old_value;
+       int    ret = 0;
+
+       post_log("\n");
+       old_value = in_be32((void *)GDC_SCRATCH_REG);
+
+       if (gdc_test_reg_one(0x55555555))
+               ret = 1;
+       if (gdc_test_reg_one(0xAAAAAAAA))
+               ret = 1;
+
+       out_be32((void *)GDC_SCRATCH_REG, old_value);
+
+       old_value = in_be32((void *)GDC_VERSION_REG);
+       post_log("GDC chip version %u.%u, year %04X\n",
+               (old_value >> 8) & 0xFF, old_value & 0xFF,
+               (old_value >> 16) & 0xFFFF);
+
+       old_value = get_ram_size((void *)GDC_RAM_START,
+                                GDC_RAM_END - GDC_RAM_START);
+       post_log("GDC RAM size: %d bytes\n", old_value);
+
+       return ret;
+}
+#endif /* CONFIG_POST & CFG_POST_BSPEC4 */
+#endif /* CONFIG_POST */
diff --git a/post/board/lwmon5/sysmon.c b/post/board/lwmon5/sysmon.c
new file mode 100644 (file)
index 0000000..0eae4c1
--- /dev/null
@@ -0,0 +1,265 @@
+/*
+ * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * 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 <post.h>
+#include <common.h>
+
+#ifdef CONFIG_POST
+
+/*
+ * SYSMON test
+ *
+ * This test performs the system hardware monitoring.
+ * The test passes when all the following voltages and temperatures
+ * are within allowed ranges:
+ *
+ * Temperature                -40 .. +85 C
+ * +5V                      +4.75 .. +5.25 V
+ * +5V standby              +4.75 .. +5.25 V
+ *
+ * LCD backlight is not enabled if temperature values are not within
+ * allowed ranges (-30 .. + 80). The brightness of backlite can be
+ * controlled by setting "brightness" enviroment variable. Default value is 50%
+ *
+ * See the list of all parameters in the sysmon_table below
+ */
+
+#include <post.h>
+#include <watchdog.h>
+#include <i2c.h>
+
+#if CONFIG_POST & CFG_POST_SYSMON
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define DEFAULT_BRIGHTNESS 50
+
+/* from dspic.c */
+extern int dspic_read(ushort reg);
+/* from fpga.c */
+extern void fpga_backlight_enable(int v);
+
+static int sysmon_temp_invalid;
+
+#define        RELOC(x) if (x != NULL) x = (void *) ((ulong) (x) + gd->reloc_off)
+
+typedef struct sysmon_s sysmon_t;
+typedef struct sysmon_table_s sysmon_table_t;
+
+static void sysmon_dspic_init (sysmon_t * this);
+static int sysmon_dspic_read (sysmon_t * this, uint addr);
+static void sysmon_backlight_disable (sysmon_table_t * this);
+static void sysmon_backlight_enable (sysmon_table_t * this);
+
+struct sysmon_s
+{
+       uchar   chip;
+       void    (*init)(sysmon_t *);
+       int     (*read)(sysmon_t *, uint);
+};
+
+static sysmon_t sysmon_dspic =
+       {CFG_I2C_DSPIC_IO_ADDR, sysmon_dspic_init, sysmon_dspic_read};
+
+static sysmon_t * sysmon_list[] =
+{
+       &sysmon_dspic,
+       NULL
+};
+
+struct sysmon_table_s
+{
+       char *          name;
+       char *          unit_name;
+       sysmon_t *      sysmon;
+       void            (*exec_before)(sysmon_table_t *);
+       void            (*exec_after)(sysmon_table_t *);
+
+       int             unit_precision;
+       int             unit_div;
+       int             unit_min;
+       int             unit_max;
+       uint            val_mask;
+       uint            val_min;
+       uint            val_max;
+       int             val_valid;
+       uint            val_min_alt;
+       uint            val_max_alt;
+       int             val_valid_alt;
+       uint            addr;
+};
+
+static sysmon_table_t sysmon_table[] =
+{
+    {"Temperature", " C", &sysmon_dspic, NULL, sysmon_backlight_disable,
+     1, 1, -32768, 32767, 0xFFFF, 0x8000-40, 0x8000+85, 0,
+                                  0x8000-30, 0x8000+80, 0, 0x12BC},
+
+    {"+ 5 V", "V", &sysmon_dspic, NULL, NULL,
+     100, 1000, -0x8000, 0x7FFF, 0xFFFF, 0x8000+4750, 0x8000+5250, 0,
+                                         0x8000+4750, 0x8000+5250, 0, 0x12CA},
+
+    {"+ 5 V standby", "V", &sysmon_dspic, NULL, sysmon_backlight_enable,
+     100, 1000, -0x8000, 0x7FFF, 0xFFFF, 0x8000+4750, 0x8000+5250, 0,
+                                         0x8000+4750, 0x8000+5250, 0, 0x12C6},
+};
+static int sysmon_table_size = sizeof(sysmon_table) / sizeof(sysmon_table[0]);
+
+int sysmon_init_f (void)
+{
+       sysmon_t ** l;
+
+       for (l = sysmon_list; *l; l++)
+               (*l)->init(*l);
+
+       return 0;
+}
+
+void sysmon_reloc (void)
+{
+       sysmon_t ** l;
+       sysmon_table_t * t;
+
+       for (l = sysmon_list; *l; l++) {
+               RELOC(*l);
+               RELOC((*l)->init);
+               RELOC((*l)->read);
+       }
+
+       for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) {
+               RELOC(t->exec_before);
+               RELOC(t->exec_after);
+               RELOC(t->sysmon);
+       }
+}
+
+static char *sysmon_unit_value (sysmon_table_t *s, uint val)
+{
+       static char buf[32];
+       char *p, sign;
+       int decimal, frac;
+       int unit_val;
+
+       unit_val =
+           s->unit_min + (s->unit_max - s->unit_min) * val / s->val_mask;
+
+       if (val == -1)
+               return "I/O ERROR";
+
+       if (unit_val < 0) {
+               sign = '-';
+               unit_val = -unit_val;
+       } else
+               sign = '+';
+
+       p = buf + sprintf(buf, "%c%2d", sign, unit_val / s->unit_div);
+
+
+       frac = unit_val % s->unit_div;
+
+       frac /= (s->unit_div / s->unit_precision);
+
+       decimal = s->unit_precision;
+
+       if (decimal != 1)
+               *p++ = '.';
+       for (decimal /= 10; decimal != 0; decimal /= 10)
+               *p++ = '0' + (frac / decimal) % 10;
+       strcpy(p, s->unit_name);
+
+       return buf;
+}
+
+static void sysmon_dspic_init (sysmon_t * this)
+{
+}
+
+static int sysmon_dspic_read (sysmon_t * this, uint addr)
+{
+       int res = dspic_read(addr);
+
+       /* To fit into the table range we should add 0x8000 */
+       return (res == -1) ? -1 : (res + 0x8000);
+}
+
+static void sysmon_backlight_disable (sysmon_table_t * this)
+{
+       if (!this->val_valid_alt)
+               sysmon_temp_invalid = 1;
+}
+
+static void sysmon_backlight_enable (sysmon_table_t * this)
+{
+       char * param;
+       int rc;
+
+       if (!sysmon_temp_invalid) {
+               param = getenv("brightness");
+               rc = param ? simple_strtol(param, NULL, 10) : -1;
+               if (rc >= 0)
+                       fpga_backlight_enable(rc);
+               else
+                       fpga_backlight_enable(DEFAULT_BRIGHTNESS);
+       }
+}
+
+int sysmon_post_test (int flags)
+{
+       int res = 0;
+       sysmon_table_t * t;
+       int val;
+
+       for (t = sysmon_table; t < sysmon_table + sysmon_table_size; t ++) {
+               if (t->exec_before)
+                       t->exec_before(t);
+
+               val = t->sysmon->read(t->sysmon, t->addr);
+               if (val != -1) {
+                       t->val_valid = val >= t->val_min && val <= t->val_max;
+                       t->val_valid_alt = val >= t->val_min_alt && val <= t->val_max_alt;
+               } else {
+                       t->val_valid = 0;
+                       t->val_valid_alt = 0;
+               }
+
+               if (t->exec_after)
+                       t->exec_after(t);
+
+               if ((!t->val_valid) || (flags & POST_MANUAL)) {
+                       printf("%-17s = %-10s ", t->name, sysmon_unit_value(t, val));
+                       printf("allowed range");
+                       printf(" %-8s ..", sysmon_unit_value(t, t->val_min));
+                       printf(" %-8s", sysmon_unit_value(t, t->val_max));
+                       printf("     %s\n", t->val_valid ? "OK" : "FAIL");
+               }
+
+               if (!t->val_valid)
+                       res = 1;
+       }
+
+       return res;
+}
+
+#endif /* CONFIG_POST & CFG_POST_SYSMON */
+#endif /* CONFIG_POST */
diff --git a/post/board/lwmon5/watchdog.c b/post/board/lwmon5/watchdog.c
new file mode 100644 (file)
index 0000000..8348346
--- /dev/null
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2008 Dmitry Rakhchev, EmCraft Systems, rda@emcraft.com
+ *
+ * Developed for DENX Software Engineering GmbH
+ *
+ * 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>
+
+/* This test verifies if the reason of last reset was an abnormal voltage
+ * condition, than it performs watchdog test, measuing time required to
+ * trigger watchdog reset.
+ */
+
+#ifdef CONFIG_POST
+
+#include <post.h>
+
+#if CONFIG_POST & CFG_POST_WATCHDOG
+
+#include <watchdog.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+
+static uint watchdog_magic_read(void)
+{
+       return in_be32((void *)CFG_WATCHDOG_FLAGS_ADDR) &
+               CFG_WATCHDOG_MAGIC_MASK;
+}
+
+static void watchdog_magic_write(uint value)
+{
+       out_be32((void *)CFG_WATCHDOG_FLAGS_ADDR, value |
+               (in_be32((void *)CFG_WATCHDOG_FLAGS_ADDR) &
+                       ~CFG_WATCHDOG_MAGIC_MASK));
+}
+
+int sysmon1_post_test(int flags)
+{
+       if (gpio_read_in_bit(CFG_GPIO_SYSMON_STATUS)) {
+               /* 3.1. GPIO62 is low
+                * Assuming system voltage failure.
+                */
+               post_log("Abnormal voltage detected (GPIO62)\n");
+               return 1;
+       }
+
+       return 0;
+}
+
+int lwmon5_watchdog_post_test(int flags)
+{
+       /* On each reset scratch register 1 should be tested,
+        * but first test GPIO62:
+        */
+       if (!(flags & POST_MANUAL) && sysmon1_post_test(flags)) {
+               /* 3.1. GPIO62 is low
+                * Assuming system voltage failure.
+                */
+               /* 3.1.1. Set scratch register 1 to 0x0000xxxx */
+               watchdog_magic_write(0);
+               /* 3.1.2. Mark test as failed due to voltage?! */
+               return 1;
+       }
+
+       if (watchdog_magic_read() != CFG_WATCHDOG_MAGIC) {
+               /* 3.2. Scratch register 1 differs from magic value 0x1248xxxx
+                * Assuming PowerOn
+                */
+               int ints;
+               ulong base;
+               ulong time;
+
+               /* 3.2.1. Set magic value to scratch register */
+               watchdog_magic_write(CFG_WATCHDOG_MAGIC);
+
+               ints = disable_interrupts ();
+               /* 3.2.2. strobe watchdog once */
+               WATCHDOG_RESET();
+               out_be32((void *)CFG_WATCHDOG_TIME_ADDR, 0);
+               /* 3.2.3. save time of strobe in scratch register 2 */
+               base = post_time_ms (0);
+
+               /* 3.2.4. Wait for 150 ms (enough for reset to happen) */
+               while ((time = post_time_ms (base)) < 150)
+                       out_be32((void *)CFG_WATCHDOG_TIME_ADDR, time);
+               if (ints)
+                       enable_interrupts ();
+
+               /* 3.2.5. Reset didn't happen. - Set 0x0000xxxx
+                * into scratch register 1
+                */
+               watchdog_magic_write(0);
+               /* 3.2.6. Mark test as failed. */
+               post_log("hw watchdog time : %u ms, failed ", time);
+               return 2;
+       } else {
+               /* 3.3. Scratch register matches magic value 0x1248xxxx
+                * Assume this is watchdog-initiated reset
+                */
+               ulong time;
+               /* 3.3.1. So, the test succeed, save measured time to syslog. */
+               time = in_be32((void *)CFG_WATCHDOG_TIME_ADDR);
+               post_log("hw watchdog time : %u ms, passed ", time);
+               /* 3.3.2. Set scratch register 1 to 0x0000xxxx */
+               watchdog_magic_write(0);
+               return 0;
+       }
+       return -1;
+}
+
+
+#endif /* CONFIG_POST & CFG_POST_WATCHDOG */
+#endif /* CONFIG_POST */
index ed4ef2b509bf15f49f0bb7059b6aaa0dbfee735c..53d01e355e6681ad4f9819b37d91565f7b335419 100644 (file)
@@ -48,6 +48,13 @@ extern int dsp_post_test (int flags);
 extern int codec_post_test (int flags);
 extern int ecc_post_test (int flags);
 
+extern int dspic_init_post_test (int flags);
+extern int dspic_post_test (int flags);
+extern int gdc_post_test (int flags);
+extern int fpga_post_test (int flags);
+extern int lwmon5_watchdog_post_test(int flags);
+extern int sysmon1_post_test(int flags);
+
 extern int sysmon_init_f (void);
 
 extern void sysmon_reloc (void);
@@ -68,6 +75,9 @@ struct post_test post_list[] =
     },
 #endif
 #if CONFIG_POST & CFG_POST_WATCHDOG
+#if defined(CONFIG_POST_WATCHDOG)
+       CONFIG_POST_WATCHDOG,
+#else
     {
        "Watchdog timer test",
        "watchdog",
@@ -79,6 +89,7 @@ struct post_test post_list[] =
        CFG_POST_WATCHDOG
     },
 #endif
+#endif
 #if CONFIG_POST & CFG_POST_I2C
     {
        "I2C test",
@@ -249,6 +260,21 @@ struct post_test post_list[] =
        CFG_POST_ECC
     },
 #endif
+#if CONFIG_POST & CFG_POST_BSPEC1
+       CONFIG_POST_BSPEC1,
+#endif
+#if CONFIG_POST & CFG_POST_BSPEC2
+       CONFIG_POST_BSPEC2,
+#endif
+#if CONFIG_POST & CFG_POST_BSPEC3
+       CONFIG_POST_BSPEC3,
+#endif
+#if CONFIG_POST & CFG_POST_BSPEC4
+       CONFIG_POST_BSPEC4,
+#endif
+#if CONFIG_POST & CFG_POST_BSPEC4
+       CONFIG_POST_BSPEC5,
+#endif
 };
 
 unsigned int post_list_size = sizeof (post_list) / sizeof (struct post_test);