From a11e06965ec91270c51853407ff1261d3c740386 Mon Sep 17 00:00:00 2001 From: Igor Lisitsin Date: Wed, 28 Mar 2007 19:06:19 +0400 Subject: Extend POST support for PPC440 Added memory, CPU, UART, I2C and SPR POST tests for PPC440. Signed-off-by: Igor Lisitsin -- --- post/cpu/ppc4xx/Makefile | 28 ++++++ post/cpu/ppc4xx/fpu.c | 55 ++++++++++++ post/cpu/ppc4xx/spr.c | 176 +++++++++++++++++++++++++++++++++++++ post/cpu/ppc4xx/uart.c | 214 +++++++++++++++++++++++++++++++++++++++++++++ post/cpu/ppc4xx/watchdog.c | 68 ++++++++++++++ 5 files changed, 541 insertions(+) create mode 100644 post/cpu/ppc4xx/Makefile create mode 100644 post/cpu/ppc4xx/fpu.c create mode 100644 post/cpu/ppc4xx/spr.c create mode 100644 post/cpu/ppc4xx/uart.c create mode 100644 post/cpu/ppc4xx/watchdog.c (limited to 'post/cpu') diff --git a/post/cpu/ppc4xx/Makefile b/post/cpu/ppc4xx/Makefile new file mode 100644 index 0000000..8e8ab50 --- /dev/null +++ b/post/cpu/ppc4xx/Makefile @@ -0,0 +1,28 @@ +# +# (C) Copyright 2002-2007 +# 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. +# +# 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 = libpostppc4xx.a + +COBJS = fpu.o spr.o uart.o watchdog.o + +include $(TOPDIR)/post/rules.mk diff --git a/post/cpu/ppc4xx/fpu.c b/post/cpu/ppc4xx/fpu.c new file mode 100644 index 0000000..1935c01 --- /dev/null +++ b/post/cpu/ppc4xx/fpu.c @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2007 Wolfgang Denk + * + * 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 + +#ifdef CONFIG_POST +#if defined(CONFIG_440EP) || \ + defined(CONFIG_440EPX) + +#include +#include + + +int fpu_status(void) +{ + if (mfspr(ccr0) & CCR0_DAPUIB) + return 0; /* Disabled */ + else + return 1; /* Enabled */ +} + + +void fpu_disable(void) +{ + mtspr(ccr0, mfspr(ccr0) | CCR0_DAPUIB); + mtmsr(mfmsr() & ~MSR_FP); +} + + +void fpu_enable(void) +{ + mtspr(ccr0, mfspr(ccr0) & ~CCR0_DAPUIB); + mtmsr(mfmsr() | MSR_FP); +} +#endif +#endif diff --git a/post/cpu/ppc4xx/spr.c b/post/cpu/ppc4xx/spr.c new file mode 100644 index 0000000..f62526a --- /dev/null +++ b/post/cpu/ppc4xx/spr.c @@ -0,0 +1,176 @@ +/* + * (C) Copyright 2007 + * 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. + * + * 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 + +/* + * SPR test + * + * The test checks the contents of Special Purpose Registers (SPR) listed + * in the spr_test_list array below. + * Each SPR value is read using mfspr instruction, some bits are masked + * according to the table and the resulting value is compared to the + * corresponding table value. + */ + +#ifdef CONFIG_POST + +#include + +#if CONFIG_POST & CFG_POST_SPR + +static struct +{ + int number; + char * name; + unsigned long mask; + unsigned long value; +} spr_test_list [] = { + /* Standard Special-Purpose Registers */ + + {0x001, "XER", 0x00000000, 0x00000000}, + {0x008, "LR", 0x00000000, 0x00000000}, + {0x009, "CTR", 0x00000000, 0x00000000}, + {0x016, "DEC", 0x00000000, 0x00000000}, + {0x01a, "SRR0", 0x00000000, 0x00000000}, + {0x01b, "SRR1", 0x00000000, 0x00000000}, + {0x110, "SPRG0", 0x00000000, 0x00000000}, + {0x111, "SPRG1", 0x00000000, 0x00000000}, + {0x112, "SPRG2", 0x00000000, 0x00000000}, + {0x113, "SPRG3", 0x00000000, 0x00000000}, + {0x11f, "PVR", 0x00000000, 0x00000000}, + + /* Additional Special-Purpose Registers */ + + {0x30, "PID", 0x00000000, 0x00000000}, + {0x3a, "CSRR0", 0x00000000, 0x00000000}, + {0x3b, "CSRR1", 0x00000000, 0x00000000}, + {0x3d, "DEAR", 0x00000000, 0x00000000}, + {0x3e, "ESR", 0x00000000, 0x00000000}, + {0x3f, "IVPR", 0xffff0000, 0x00000000}, + {0x100, "USPRG0", 0x00000000, 0x00000000}, + {0x104, "SPRG4", 0x00000000, 0x00000000}, + {0x105, "SPRG5", 0x00000000, 0x00000000}, + {0x106, "SPRG6", 0x00000000, 0x00000000}, + {0x107, "SPRG7", 0x00000000, 0x00000000}, + {0x10c, "TBL", 0x00000000, 0x00000000}, + {0x10d, "TBU", 0x00000000, 0x00000000}, + {0x11e, "PIR", 0x0000000f, 0x00000000}, + {0x130, "DBSR", 0x00000000, 0x00000000}, + {0x134, "DBCR0", 0x00000000, 0x00000000}, + {0x135, "DBCR1", 0x00000000, 0x00000000}, + {0x136, "DBCR2", 0x00000000, 0x00000000}, + {0x138, "IAC1", 0x00000000, 0x00000000}, + {0x139, "IAC2", 0x00000000, 0x00000000}, + {0x13a, "IAC3", 0x00000000, 0x00000000}, + {0x13b, "IAC4", 0x00000000, 0x00000000}, + {0x13c, "DAC1", 0x00000000, 0x00000000}, + {0x13d, "DAC2", 0x00000000, 0x00000000}, + {0x13e, "DVC1", 0x00000000, 0x00000000}, + {0x13f, "DVC2", 0x00000000, 0x00000000}, + {0x150, "TSR", 0x00000000, 0x00000000}, + {0x154, "TCR", 0x00000000, 0x00000000}, + {0x190, "IVOR0", 0x00000000, 0x00000000}, + {0x191, "IVOR1", 0x00000000, 0x00000000}, + {0x192, "IVOR2", 0x00000000, 0x00000000}, + {0x193, "IVOR3", 0x00000000, 0x00000000}, + {0x194, "IVOR4", 0x00000000, 0x00000000}, + {0x195, "IVOR5", 0x00000000, 0x00000000}, + {0x196, "IVOR6", 0x00000000, 0x00000000}, + {0x197, "IVOR7", 0x00000000, 0x00000000}, + {0x198, "IVOR8", 0x00000000, 0x00000000}, + {0x199, "IVOR9", 0x00000000, 0x00000000}, + {0x19a, "IVOR10", 0x00000000, 0x00000000}, + {0x19b, "IVOR11", 0x00000000, 0x00000000}, + {0x19c, "IVOR12", 0x00000000, 0x00000000}, + {0x19d, "IVOR13", 0x00000000, 0x00000000}, + {0x19e, "IVOR14", 0x00000000, 0x00000000}, + {0x19f, "IVOR15", 0x00000000, 0x00000000}, + {0x23a, "MCSRR0", 0x00000000, 0x00000000}, + {0x23b, "MCSRR1", 0x00000000, 0x00000000}, + {0x23c, "MCSR", 0x00000000, 0x00000000}, + {0x370, "INV0", 0x00000000, 0x00000000}, + {0x371, "INV1", 0x00000000, 0x00000000}, + {0x372, "INV2", 0x00000000, 0x00000000}, + {0x373, "INV3", 0x00000000, 0x00000000}, + {0x374, "ITV0", 0x00000000, 0x00000000}, + {0x375, "ITV1", 0x00000000, 0x00000000}, + {0x376, "ITV2", 0x00000000, 0x00000000}, + {0x377, "ITV3", 0x00000000, 0x00000000}, + {0x378, "CCR1", 0x00000000, 0x00000000}, + {0x390, "DNV0", 0x00000000, 0x00000000}, + {0x391, "DNV1", 0x00000000, 0x00000000}, + {0x392, "DNV2", 0x00000000, 0x00000000}, + {0x393, "DNV3", 0x00000000, 0x00000000}, + {0x394, "DTV0", 0x00000000, 0x00000000}, + {0x395, "DTV1", 0x00000000, 0x00000000}, + {0x396, "DTV2", 0x00000000, 0x00000000}, + {0x397, "DTV3", 0x00000000, 0x00000000}, + {0x398, "DVLIM", 0x00000000, 0x00000000}, + {0x399, "IVLIM", 0x00000000, 0x00000000}, + {0x39b, "RSTCFG", 0x00000000, 0x00000000}, + {0x39c, "DCDBTRL", 0x00000000, 0x00000000}, + {0x39d, "DCDBTRH", 0x00000000, 0x00000000}, + {0x39e, "ICDBTRL", 0x00000000, 0x00000000}, + {0x39f, "ICDBTRH", 0x00000000, 0x00000000}, + {0x3b2, "MMUCR", 0x00000000, 0x00000000}, + {0x3b3, "CCR0", 0x00000000, 0x00000000}, + {0x3d3, "ICDBDR", 0x00000000, 0x00000000}, + {0x3f3, "DBDR", 0x00000000, 0x00000000}, +}; + +static int spr_test_list_size = + sizeof (spr_test_list) / sizeof (spr_test_list[0]); + +int spr_post_test (int flags) +{ + int ret = 0; + int i; + + unsigned long code[] = { + 0x7c6002a6, /* mfspr r3,SPR */ + 0x4e800020 /* blr */ + }; + unsigned long (*get_spr) (void) = (void *) code; + + for (i = 0; i < spr_test_list_size; i++) { + int num = spr_test_list[i].number; + + /* mfspr r3,num */ + code[0] = 0x7c6002a6 | ((num & 0x1F) << 16) | ((num & 0x3E0) << 6); + + asm volatile ("isync"); + + if ((get_spr () & spr_test_list[i].mask) != + (spr_test_list[i].value & spr_test_list[i].mask)) { + post_log ("The value of %s special register " + "is incorrect: 0x%08X\n", + spr_test_list[i].name, get_spr ()); + ret = -1; + } + } + + return ret; +} +#endif /* CONFIG_POST & CFG_POST_SPR */ +#endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/uart.c b/post/cpu/ppc4xx/uart.c new file mode 100644 index 0000000..f220dba --- /dev/null +++ b/post/cpu/ppc4xx/uart.c @@ -0,0 +1,214 @@ +/* + * (C) Copyright 2007 + * 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. + * + * 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 + +/* + * UART test + * + * The controllers are configured to loopback mode and several + * characters are transmitted. + */ + +#ifdef CONFIG_POST + +#include + +#if CONFIG_POST & CFG_POST_UART + +#include +#include + +#define UART0_BASE CFG_PERIPHERAL_BASE + 0x00000300 +#define UART1_BASE CFG_PERIPHERAL_BASE + 0x00000400 +#define UART2_BASE CFG_PERIPHERAL_BASE + 0x00000500 +#define UART3_BASE CFG_PERIPHERAL_BASE + 0x00000600 + +#define CR0_MASK 0xdfffffff +#define CR0_EXTCLK_ENA 0x00800000 +#define CR0_UDIV_POS 0 +#define UDIV_SUBTRACT 0 +#define UART0_SDR sdr_uart0 +#define UART1_SDR sdr_uart1 +#define UART2_SDR sdr_uart2 +#define UART3_SDR sdr_uart3 +#define MFREG(a, d) mfsdr(a, d) +#define MTREG(a, d) mtsdr(a, d) + +#define UART_RBR 0x00 +#define UART_THR 0x00 +#define UART_IER 0x01 +#define UART_IIR 0x02 +#define UART_FCR 0x02 +#define UART_LCR 0x03 +#define UART_MCR 0x04 +#define UART_LSR 0x05 +#define UART_MSR 0x06 +#define UART_SCR 0x07 +#define UART_DLL 0x00 +#define UART_DLM 0x01 + +/* + Line Status Register. +*/ +#define asyncLSRDataReady1 0x01 +#define asyncLSROverrunError1 0x02 +#define asyncLSRParityError1 0x04 +#define asyncLSRFramingError1 0x08 +#define asyncLSRBreakInterrupt1 0x10 +#define asyncLSRTxHoldEmpty1 0x20 +#define asyncLSRTxShiftEmpty1 0x40 +#define asyncLSRRxFifoError1 0x80 + +DECLARE_GLOBAL_DATA_PTR; + +static int uart_post_init (unsigned long dev_base) +{ + unsigned long reg; + unsigned long udiv; + unsigned short bdiv; + volatile char val; +#ifdef CFG_EXT_SERIAL_CLOCK + unsigned long tmp; +#endif + int i; + + for (i = 0; i < 3500; i++) { + if (in8 (dev_base + UART_LSR) & asyncLSRTxHoldEmpty1) + break; + udelay (100); + } + MFREG(UART0_SDR, reg); + reg &= ~CR0_MASK; + +#ifdef CFG_EXT_SERIAL_CLOCK + reg |= CR0_EXTCLK_ENA; + udiv = 1; + tmp = gd->baudrate * 16; + bdiv = (CFG_EXT_SERIAL_CLOCK + tmp / 2) / tmp; +#else + /* For 440, the cpu clock is on divider chain A, UART on divider + * chain B ... so cpu clock is irrelevant. Get the "optimized" + * values that are subject to the 1/2 opb clock constraint + */ + serial_divs (gd->baudrate, &udiv, &bdiv); +#endif + + reg |= (udiv - UDIV_SUBTRACT) << CR0_UDIV_POS; /* set the UART divisor */ + + /* + * Configure input clock to baudrate generator for all + * available serial ports here + */ + MTREG(UART0_SDR, reg); +#if defined(UART1_SDR) + MTREG(UART1_SDR, reg); +#endif +#if defined(UART2_SDR) + MTREG(UART2_SDR, reg); +#endif +#if defined(UART3_SDR) + MTREG(UART3_SDR, reg); +#endif + + out8(dev_base + UART_LCR, 0x80); /* set DLAB bit */ + out8(dev_base + UART_DLL, bdiv); /* set baudrate divisor */ + out8(dev_base + UART_DLM, bdiv >> 8); /* set baudrate divisor */ + out8(dev_base + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */ + out8(dev_base + UART_FCR, 0x00); /* disable FIFO */ + out8(dev_base + UART_MCR, 0x10); /* enable loopback mode */ + val = in8(dev_base + UART_LSR); /* clear line status */ + val = in8(dev_base + UART_RBR); /* read receive buffer */ + out8(dev_base + UART_SCR, 0x00); /* set scratchpad */ + out8(dev_base + UART_IER, 0x00); /* set interrupt enable reg */ + + return 0; +} + +static void uart_post_putc (unsigned long dev_base, char c) +{ + int i; + + out8 (dev_base + UART_THR, c); /* put character out */ + + /* Wait for transfer completion */ + for (i = 0; i < 3500; i++) { + if (in8 (dev_base + UART_LSR) & asyncLSRTxHoldEmpty1) + break; + udelay (100); + } +} + +static int uart_post_getc (unsigned long dev_base) +{ + int i; + + /* Wait for character available */ + for (i = 0; i < 3500; i++) { + if (in8 (dev_base + UART_LSR) & asyncLSRDataReady1) + break; + udelay (100); + } + return 0xff & in8 (dev_base + UART_RBR); +} + +static int test_ctlr (unsigned long dev_base, int index) +{ + int res = -1; + char test_str[] = "*** UART Test String ***\r\n"; + int i; + + uart_post_init (dev_base); + + for (i = 0; i < sizeof (test_str) - 1; i++) { + uart_post_putc (dev_base, test_str[i]); + if (uart_post_getc (dev_base) != test_str[i]) + goto done; + } + res = 0; +done: + if (res) + post_log ("uart%d test failed\n", index); + + return res; +} + +int uart_post_test (int flags) +{ + int i, res = 0; + static unsigned long base[] = { + UART0_BASE, UART1_BASE, UART2_BASE, UART3_BASE + }; + + for (i = 0; i < sizeof (base) / sizeof (base[0]); i++) { + if (test_ctlr (base[i], i)) + res = -1; + } + serial_reinit_all (); + + return res; +} + +#endif /* CONFIG_POST & CFG_POST_UART */ + +#endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/watchdog.c b/post/cpu/ppc4xx/watchdog.c new file mode 100644 index 0000000..3c76cfd --- /dev/null +++ b/post/cpu/ppc4xx/watchdog.c @@ -0,0 +1,68 @@ +/* + * (C) Copyright 2007 + * 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. + * + * 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 + +/* + * Watchdog test + * + * The test verifies the watchdog timer operation. + * On the first iteration, the test routine disables interrupts and + * makes a 10-second delay. If the system does not reboot during this delay, + * the watchdog timer is not operational and the test fails. If the system + * reboots, on the second iteration the test routine reports a success. + */ + +#ifdef CONFIG_POST + +#include +#include + +#if CONFIG_POST & CFG_POST_WATCHDOG + +int watchdog_post_test (int flags) +{ + if (flags & POST_REBOOT) { + /* Test passed */ + + return 0; + } else { + /* 10-second delay */ + int ints = disable_interrupts (); + ulong base = post_time_ms (0); + + while (post_time_ms (base) < 10000) + ; + if (ints) + enable_interrupts (); + + /* + * If we have reached this point, the watchdog timer + * does not work + */ + return -1; + } +} + +#endif /* CONFIG_POST & CFG_POST_WATCHDOG */ +#endif /* CONFIG_POST */ -- cgit v1.1 From b44896215a09c60fa40cae906f7ed207bbc2c492 Mon Sep 17 00:00:00 2001 From: Sergei Poselenov Date: Thu, 5 Jul 2007 08:17:37 +0200 Subject: Merged POST framework with the current TOT. Signed-off-by: Sergei Poselenov --- post/cpu/mpc8xx/Makefile | 2 +- post/cpu/mpc8xx/cache.c | 81 ++++++++ post/cpu/ppc4xx/Makefile | 3 +- post/cpu/ppc4xx/cache.c | 114 +++++++++++ post/cpu/ppc4xx/cache_4xx.S | 448 ++++++++++++++++++++++++++++++++++++++++++++ post/cpu/ppc4xx/ether.c | 395 ++++++++++++++++++++++++++++++++++++++ post/cpu/ppc4xx/fpu.c | 10 +- post/cpu/ppc4xx/spr.c | 41 ++-- post/cpu/ppc4xx/uart.c | 3 +- post/cpu/ppc4xx/watchdog.c | 9 +- 10 files changed, 1080 insertions(+), 26 deletions(-) create mode 100644 post/cpu/mpc8xx/cache.c create mode 100644 post/cpu/ppc4xx/cache.c create mode 100644 post/cpu/ppc4xx/cache_4xx.S create mode 100644 post/cpu/ppc4xx/ether.c (limited to 'post/cpu') diff --git a/post/cpu/mpc8xx/Makefile b/post/cpu/mpc8xx/Makefile index 9dd3f0f..f871cba 100644 --- a/post/cpu/mpc8xx/Makefile +++ b/post/cpu/mpc8xx/Makefile @@ -24,6 +24,6 @@ LIB = libpostmpc8xx.a AOBJS = cache_8xx.o -COBJS = ether.o spr.o uart.o usb.o watchdog.o +COBJS = cache.o ether.o spr.o uart.o usb.o watchdog.o include $(TOPDIR)/post/rules.mk diff --git a/post/cpu/mpc8xx/cache.c b/post/cpu/mpc8xx/cache.c new file mode 100644 index 0000000..501465c --- /dev/null +++ b/post/cpu/mpc8xx/cache.c @@ -0,0 +1,81 @@ +/* + * (C) Copyright 2002 + * 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. + * + * 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 + +/* Cache test + * + * This test verifies the CPU data and instruction cache using + * several test scenarios. + */ + +#ifdef CONFIG_POST + +#include +#include + +#if CONFIG_POST & CFG_POST_CACHE + +#define CACHE_POST_SIZE 1024 + +extern int cache_post_test1 (char *, unsigned int); +extern int cache_post_test2 (char *, unsigned int); +extern int cache_post_test3 (char *, unsigned int); +extern int cache_post_test4 (char *, unsigned int); +extern int cache_post_test5 (void); +extern int cache_post_test6 (void); + +int cache_post_test (int flags) +{ + int ints = disable_interrupts (); + int res = 0; + static char ta[CACHE_POST_SIZE + 0xf]; + char *testarea = (char *) (((unsigned long) ta + 0xf) & ~0xf); + + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test1 (testarea, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test2 (testarea, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test3 (testarea, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test4 (testarea, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test5 (); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test6 (); + + WATCHDOG_RESET (); + if (ints) + enable_interrupts (); + return res; +} + +#endif /* CONFIG_POST & CFG_POST_CACHE */ +#endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/Makefile b/post/cpu/ppc4xx/Makefile index 8e8ab50..f1034da 100644 --- a/post/cpu/ppc4xx/Makefile +++ b/post/cpu/ppc4xx/Makefile @@ -23,6 +23,7 @@ LIB = libpostppc4xx.a -COBJS = fpu.o spr.o uart.o watchdog.o +AOBJS = cache_4xx.o +COBJS = cache.o ether.o fpu.o spr.o uart.o watchdog.o include $(TOPDIR)/post/rules.mk diff --git a/post/cpu/ppc4xx/cache.c b/post/cpu/ppc4xx/cache.c new file mode 100644 index 0000000..e1f989e --- /dev/null +++ b/post/cpu/ppc4xx/cache.c @@ -0,0 +1,114 @@ +/* + * (C) Copyright 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Author: Igor Lisitsin + * + * 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 + +/* Cache test + * + * This test verifies the CPU data and instruction cache using + * several test scenarios. + */ + +#ifdef CONFIG_POST + +#include + +#if CONFIG_POST & CFG_POST_CACHE + +#include +#include + +#define CACHE_POST_SIZE 1024 + +void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); + +int cache_post_test1 (int tlb, void *p, int size); +int cache_post_test2 (int tlb, void *p, int size); +int cache_post_test3 (int tlb, void *p, int size); +int cache_post_test4 (int tlb, void *p, int size); +int cache_post_test5 (int tlb, void *p, int size); +int cache_post_test6 (int tlb, void *p, int size); + +static int tlb = -1; /* index to the victim TLB entry */ + +static unsigned char testarea[CACHE_POST_SIZE] +__attribute__((__aligned__(CACHE_POST_SIZE))); + +int cache_post_test (int flags) +{ + void* virt = (void*)CFG_POST_CACHE_ADDR; + int ints, i, res = 0; + u32 word0; + + if (tlb < 0) { + /* + * Allocate a new TLB entry, since we are going to modify + * the write-through and caching inhibited storage attributes. + */ + program_tlb((u32)testarea, (u32)virt, + CACHE_POST_SIZE, TLB_WORD2_I_ENABLE); + + /* Find the TLB entry */ + for (i = 0;; i++) { + if (i >= PPC4XX_TLB_SIZE) { + printf ("Failed to program tlb entry\n"); + return -1; + } + word0 = mftlb1(i); + if (TLB_WORD0_EPN_DECODE(word0) == (u32)virt) { + tlb = i; + break; + } + } + } + ints = disable_interrupts (); + + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test1 (tlb, virt, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test2 (tlb, virt, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test3 (tlb, virt, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test4 (tlb, virt, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test5 (tlb, virt, CACHE_POST_SIZE); + WATCHDOG_RESET (); + if (res == 0) + res = cache_post_test6 (tlb, virt, CACHE_POST_SIZE); + + if (ints) + enable_interrupts (); + + return res; +} + +#endif /* CONFIG_POST & CFG_POST_CACHE */ +#endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/cache_4xx.S b/post/cpu/ppc4xx/cache_4xx.S new file mode 100644 index 0000000..785b8d6 --- /dev/null +++ b/post/cpu/ppc4xx/cache_4xx.S @@ -0,0 +1,448 @@ +/* + * (C) Copyright 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Author: Igor Lisitsin + * + * 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 + +#ifdef CONFIG_POST + +#include +#include +#include +#include +#include + +#if CONFIG_POST & CFG_POST_CACHE + + .text + +/* void cache_post_disable (int tlb) + */ +cache_post_disable: + tlbre r0, r3, 0x0002 + ori r0, r0, TLB_WORD2_I_ENABLE@l + tlbwe r0, r3, 0x0002 + sync + isync + blr + +/* void cache_post_wt (int tlb) + */ +cache_post_wt: + tlbre r0, r3, 0x0002 + ori r0, r0, TLB_WORD2_W_ENABLE@l + andi. r0, r0, ~TLB_WORD2_I_ENABLE@l + tlbwe r0, r3, 0x0002 + sync + isync + blr + +/* void cache_post_wb (int tlb) + */ +cache_post_wb: + tlbre r0, r3, 0x0002 + andi. r0, r0, ~TLB_WORD2_W_ENABLE@l + andi. r0, r0, ~TLB_WORD2_I_ENABLE@l + tlbwe r0, r3, 0x0002 + sync + isync + blr + +/* void cache_post_dinvalidate (void *p, int size) + */ +cache_post_dinvalidate: + dcbi r0, r3 + addi r3, r3, CFG_CACHELINE_SIZE + subic. r4, r4, CFG_CACHELINE_SIZE + bgt cache_post_dinvalidate + sync + blr + +/* void cache_post_dstore (void *p, int size) + */ +cache_post_dstore: + dcbst r0, r3 + addi r3, r3, CFG_CACHELINE_SIZE + subic. r4, r4, CFG_CACHELINE_SIZE + bgt cache_post_dstore + sync + blr + +/* void cache_post_dtouch (void *p, int size) + */ +cache_post_dtouch: + dcbt r0, r3 + addi r3, r3, CFG_CACHELINE_SIZE + subic. r4, r4, CFG_CACHELINE_SIZE + bgt cache_post_dtouch + sync + blr + +/* void cache_post_iinvalidate (void) + */ +cache_post_iinvalidate: + iccci r0, r0 + sync + blr + +/* void cache_post_memset (void *p, int val, int size) + */ +cache_post_memset: + mtctr r5 +1: + stb r4, 0(r3) + addi r3, r3, 1 + bdnz 1b + blr + +/* int cache_post_check (void *p, int size) + */ +cache_post_check: + mtctr r4 +1: + lbz r0, 0(r3) + addi r3, r3, 1 + cmpwi r0, 0xff + bne 2f + bdnz 1b + li r3, 0 + blr +2: + li r3, -1 + blr + +#define CACHE_POST_DISABLE() \ + mr r3, r10; \ + bl cache_post_disable + +#define CACHE_POST_WT() \ + mr r3, r10; \ + bl cache_post_wt + +#define CACHE_POST_WB() \ + mr r3, r10; \ + bl cache_post_wb + +#define CACHE_POST_DINVALIDATE() \ + mr r3, r11; \ + mr r4, r12; \ + bl cache_post_dinvalidate + +#define CACHE_POST_DFLUSH() \ + mr r3, r11; \ + mr r4, r12; \ + bl cache_post_dflush + +#define CACHE_POST_DSTORE() \ + mr r3, r11; \ + mr r4, r12; \ + bl cache_post_dstore + +#define CACHE_POST_DTOUCH() \ + mr r3, r11; \ + mr r4, r12; \ + bl cache_post_dtouch + +#define CACHE_POST_IINVALIDATE() \ + bl cache_post_iinvalidate + +#define CACHE_POST_MEMSET(val) \ + mr r3, r11; \ + li r4, val; \ + mr r5, r12; \ + bl cache_post_memset + +#define CACHE_POST_CHECK() \ + mr r3, r11; \ + mr r4, r12; \ + bl cache_post_check; \ + mr r13, r3 + +/* + * Write and read 0xff pattern with caching enabled. + */ + .global cache_post_test1 +cache_post_test1: + mflr r9 + mr r10, r3 /* tlb */ + mr r11, r4 /* p */ + mr r12, r5 /* size */ + + CACHE_POST_WB() + CACHE_POST_DINVALIDATE() + + /* Write the negative pattern to the test area */ + CACHE_POST_MEMSET(0xff) + + /* Read the test area */ + CACHE_POST_CHECK() + + CACHE_POST_DINVALIDATE() + CACHE_POST_DISABLE() + + mr r3, r13 + mtlr r9 + blr + +/* + * Write zeroes with caching enabled. + * Write 0xff pattern with caching disabled. + * Read 0xff pattern with caching enabled. + */ + .global cache_post_test2 +cache_post_test2: + mflr r9 + mr r10, r3 /* tlb */ + mr r11, r4 /* p */ + mr r12, r5 /* size */ + + CACHE_POST_WB() + CACHE_POST_DINVALIDATE() + + /* Write the zero pattern to the test area */ + CACHE_POST_MEMSET(0) + + CACHE_POST_DINVALIDATE() + CACHE_POST_DISABLE() + + /* Write the negative pattern to the test area */ + CACHE_POST_MEMSET(0xff) + + CACHE_POST_WB() + + /* Read the test area */ + CACHE_POST_CHECK() + + CACHE_POST_DINVALIDATE() + CACHE_POST_DISABLE() + + mr r3, r13 + mtlr r9 + blr + +/* + * Write-through mode test. + * Write zeroes, store the cache, write 0xff pattern. + * Invalidate the cache. + * Check that 0xff pattern is read. + */ + .global cache_post_test3 +cache_post_test3: + mflr r9 + mr r10, r3 /* tlb */ + mr r11, r4 /* p */ + mr r12, r5 /* size */ + + CACHE_POST_WT() + CACHE_POST_DINVALIDATE() + + /* Cache the test area */ + CACHE_POST_DTOUCH() + + /* Write the zero pattern to the test area */ + CACHE_POST_MEMSET(0) + + CACHE_POST_DSTORE() + + /* Write the negative pattern to the test area */ + CACHE_POST_MEMSET(0xff) + + CACHE_POST_DINVALIDATE() + CACHE_POST_DISABLE() + + /* Read the test area */ + CACHE_POST_CHECK() + + mr r3, r13 + mtlr r9 + blr + +/* + * Write-back mode test. + * Write 0xff pattern, store the cache, write zeroes. + * Invalidate the cache. + * Check that 0xff pattern is read. + */ + .global cache_post_test4 +cache_post_test4: + mflr r9 + mr r10, r3 /* tlb */ + mr r11, r4 /* p */ + mr r12, r5 /* size */ + + CACHE_POST_WB() + CACHE_POST_DINVALIDATE() + + /* Cache the test area */ + CACHE_POST_DTOUCH() + + /* Write the negative pattern to the test area */ + CACHE_POST_MEMSET(0xff) + + CACHE_POST_DSTORE() + + /* Write the zero pattern to the test area */ + CACHE_POST_MEMSET(0) + + CACHE_POST_DINVALIDATE() + CACHE_POST_DISABLE() + + /* Read the test area */ + CACHE_POST_CHECK() + + mr r3, r13 + mtlr r9 + blr + +/* + * Load the test instructions into the instruction cache. + * Replace the test instructions. + * Check that the original instructions are executed. + */ + .global cache_post_test5 +cache_post_test5: + mflr r9 + mr r10, r3 /* tlb */ + mr r11, r4 /* p */ + mr r12, r5 /* size */ + + CACHE_POST_WT() + CACHE_POST_IINVALIDATE() + + /* Compute r13 = cache_post_test_inst */ + bl cache_post_test5_reloc +cache_post_test5_reloc: + mflr r13 + lis r0, (cache_post_test_inst - cache_post_test5_reloc)@h + ori r0, r0, (cache_post_test_inst - cache_post_test5_reloc)@l + add r13, r13, r0 + + /* Copy the test instructions to the test area */ + lwz r0, 0(r13) + stw r0, 0(r11) + lwz r0, 8(r13) + stw r0, 4(r11) + sync + + /* Invalidate the cache line */ + icbi r0, r11 + sync + isync + + /* Execute the test instructions */ + mtlr r11 + blrl + + /* Replace the test instruction */ + lwz r0, 4(r13) + stw r0, 0(r11) + sync + + /* Do not invalidate the cache line */ + isync + + /* Execute the test instructions */ + mtlr r11 + blrl + mr r13, r3 + + CACHE_POST_IINVALIDATE() + CACHE_POST_DINVALIDATE() + CACHE_POST_DISABLE() + + mr r3, r13 + mtlr r9 + blr + +/* + * Load the test instructions into the instruction cache. + * Replace the test instructions and invalidate the cache. + * Check that the replaced instructions are executed. + */ + .global cache_post_test6 +cache_post_test6: + mflr r9 + mr r10, r3 /* tlb */ + mr r11, r4 /* p */ + mr r12, r5 /* size */ + + CACHE_POST_WT() + CACHE_POST_IINVALIDATE() + + /* Compute r13 = cache_post_test_inst */ + bl cache_post_test6_reloc +cache_post_test6_reloc: + mflr r13 + lis r0, (cache_post_test_inst - cache_post_test6_reloc)@h + ori r0, r0, (cache_post_test_inst - cache_post_test6_reloc)@l + add r13, r13, r0 + + /* Copy the test instructions to the test area */ + lwz r0, 4(r13) + stw r0, 0(r11) + lwz r0, 8(r13) + stw r0, 4(r11) + sync + + /* Invalidate the cache line */ + icbi r0, r11 + sync + isync + + /* Execute the test instructions */ + mtlr r11 + blrl + + /* Replace the test instruction */ + lwz r0, 0(r13) + stw r0, 0(r11) + sync + + /* Invalidate the cache line */ + icbi r0, r11 + sync + isync + + /* Execute the test instructions */ + mtlr r11 + blrl + mr r13, r3 + + CACHE_POST_IINVALIDATE() + CACHE_POST_DINVALIDATE() + CACHE_POST_DISABLE() + + mr r3, r13 + mtlr r9 + blr + +/* Test instructions. + */ +cache_post_test_inst: + li r3, 0 + li r3, -1 + blr + +#endif /* CONFIG_POST & CFG_POST_CACHE */ +#endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/ether.c b/post/cpu/ppc4xx/ether.c new file mode 100644 index 0000000..391c815 --- /dev/null +++ b/post/cpu/ppc4xx/ether.c @@ -0,0 +1,395 @@ +/* + * (C) Copyright 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Author: Igor Lisitsin + * + * 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 + +/* + * Ethernet test + * + * The Ethernet Media Access Controllers (EMAC) are tested in the + * internal loopback mode. + * The controllers are configured accordingly and several packets + * are transmitted. The configurable test parameters are: + * MIN_PACKET_LENGTH - minimum size of packet to transmit + * MAX_PACKET_LENGTH - maximum size of packet to transmit + * TEST_NUM - number of tests + */ + +#ifdef CONFIG_POST + +#include + +#if CONFIG_POST & CFG_POST_ETHER + +#include +#include +#include +#include <405_mal.h> +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1)) +#endif + +#define MIN_PACKET_LENGTH 64 +#define MAX_PACKET_LENGTH 256 +#define TEST_NUM 1 + +static volatile mal_desc_t tx __cacheline_aligned; +static volatile mal_desc_t rx __cacheline_aligned; +static char *tx_buf; +static char *rx_buf; + +static void ether_post_init (int devnum, int hw_addr) +{ + int i; + unsigned mode_reg; +#if defined(CONFIG_440GX) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_440SP) || defined(CONFIG_440SPE) + sys_info_t sysinfo; +#endif +#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || defined(CONFIG_440SPE) + unsigned long mfr; +#endif + +#if defined(CONFIG_440GX) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_440SP) || defined(CONFIG_440SPE) + /* Need to get the OPB frequency so we can access the PHY */ + get_sys_info (&sysinfo); +#endif + +#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + /* provide clocks for EMAC internal loopback */ + mfsdr (sdr_mfr, mfr); + mfr |= SDR0_MFR_ETH_CLK_SEL_V(devnum); + mtsdr (sdr_mfr, mfr); + sync (); +#endif + /* reset emac */ + out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST); + sync (); + + for (i = 0;; i++) { + if (!(in32 (EMAC_M0 + hw_addr) & EMAC_M0_SRST)) + break; + if (i >= 1000) { + printf ("Timeout resetting EMAC\n"); + break; + } + udelay (1000); + } +#if defined(CONFIG_440GX) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_440SP) || defined(CONFIG_440SPE) + /* Whack the M1 register */ + mode_reg = 0x0; + if (sysinfo.freqOPB <= 50000000); + else if (sysinfo.freqOPB <= 66666667) + mode_reg |= EMAC_M1_OBCI_66; + else if (sysinfo.freqOPB <= 83333333) + mode_reg |= EMAC_M1_OBCI_83; + else if (sysinfo.freqOPB <= 100000000) + mode_reg |= EMAC_M1_OBCI_100; + else + mode_reg |= EMAC_M1_OBCI_GT100; + + out32 (EMAC_M1 + hw_addr, mode_reg); + +#endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */ + + /* set the Mal configuration reg */ +#if defined(CONFIG_440GX) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_440SP) || defined(CONFIG_440SPE) + mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | + MAL_CR_PLBLT_DEFAULT | 0x00330000); +#else + mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT); + /* Errata 1.12: MAL_1 -- Disable MAL bursting */ + if (get_pvr() == PVR_440GP_RB) { + mtdcr (malmcr, mfdcr(malmcr) & ~MAL_CR_PLBB); + } +#endif + /* setup buffer descriptors */ + tx.ctrl = MAL_TX_CTRL_WRAP; + tx.data_len = 0; + tx.data_ptr = (char*)L1_CACHE_ALIGN((u32)tx_buf); + + rx.ctrl = MAL_TX_CTRL_WRAP | MAL_RX_CTRL_EMPTY; + rx.data_len = 0; + rx.data_ptr = (char*)L1_CACHE_ALIGN((u32)rx_buf); + + switch (devnum) { + case 1: + /* setup MAL tx & rx channel pointers */ +#if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR) + mtdcr (maltxctp2r, &tx); +#else + mtdcr (maltxctp1r, &tx); +#endif +#if defined(CONFIG_440) + mtdcr (maltxbattr, 0x0); + mtdcr (malrxbattr, 0x0); +#endif + mtdcr (malrxctp1r, &rx); + /* set RX buffer size */ + mtdcr (malrcbs1, PKTSIZE_ALIGN / 16); + break; + case 0: + default: + /* setup MAL tx & rx channel pointers */ +#if defined(CONFIG_440) + mtdcr (maltxbattr, 0x0); + mtdcr (malrxbattr, 0x0); +#endif + mtdcr (maltxctp0r, &tx); + mtdcr (malrxctp0r, &rx); + /* set RX buffer size */ + mtdcr (malrcbs0, PKTSIZE_ALIGN / 16); + break; + } + + /* Enable MAL transmit and receive channels */ +#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) + mtdcr (maltxcasr, (MAL_TXRX_CASR >> (devnum*2))); +#else + mtdcr (maltxcasr, (MAL_TXRX_CASR >> devnum)); +#endif + mtdcr (malrxcasr, (MAL_TXRX_CASR >> devnum)); + + /* set internal loopback mode */ + out32 (EMAC_M1 + hw_addr, EMAC_M1_FDE | EMAC_M1_ILE | + EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K | + EMAC_M1_MF_100MBPS | EMAC_M1_IST | + in32 (EMAC_M1)); + + /* set transmit enable & receive enable */ + out32 (EMAC_M0 + hw_addr, EMAC_M0_TXE | EMAC_M0_RXE); + + /* enable broadcast address */ + out32 (EMAC_RXM + hw_addr, EMAC_RMR_BAE); + + /* set transmit request threshold register */ + out32 (EMAC_TRTR + hw_addr, 0x18000000); /* 256 byte threshold */ + + /* set receive low/high water mark register */ +#if defined(CONFIG_440) + /* 440s has a 64 byte burst length */ + out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x80009000); +#else + /* 405s have a 16 byte burst length */ + out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x0f002000); +#endif /* defined(CONFIG_440) */ + out32 (EMAC_TXM1 + hw_addr, 0xf8640000); + + /* Set fifo limit entry in tx mode 0 */ + out32 (EMAC_TXM0 + hw_addr, 0x00000003); + /* Frame gap set */ + out32 (EMAC_I_FRAME_GAP_REG + hw_addr, 0x00000008); + sync (); +} + +static void ether_post_halt (int devnum, int hw_addr) +{ + int i = 0; +#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + unsigned long mfr; +#endif + + /* 1st reset MAL channel */ + /* Note: writing a 0 to a channel has no effect */ +#if defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) + mtdcr (maltxcarr, MAL_TXRX_CASR >> (devnum * 2)); +#else + mtdcr (maltxcarr, MAL_TXRX_CASR >> devnum); +#endif + mtdcr (malrxcarr, MAL_TXRX_CASR >> devnum); + + /* wait for reset */ + while (mfdcr (malrxcasr) & (MAL_TXRX_CASR >> devnum)) { + if (i++ >= 1000) + break; + udelay (1000); + } + /* emac reset */ + out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST); + +#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + /* remove clocks for EMAC internal loopback */ + mfsdr (sdr_mfr, mfr); + mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(devnum); + mtsdr (sdr_mfr, mfr); +#endif +} + +static void ether_post_send (int devnum, int hw_addr, void *packet, int length) +{ + int i = 0; + + while (tx.ctrl & MAL_TX_CTRL_READY) { + if (i++ > 100) { + printf ("TX timeout\n"); + return; + } + udelay (1000); + } + tx.ctrl = MAL_TX_CTRL_READY | MAL_TX_CTRL_WRAP | MAL_TX_CTRL_LAST | + EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP; + tx.data_len = length; + memcpy (tx.data_ptr, packet, length); + sync (); + + out32 (EMAC_TXM0 + hw_addr, in32 (EMAC_TXM0 + hw_addr) | EMAC_TXM0_GNP0); + sync (); +} + +static int ether_post_recv (int devnum, int hw_addr, void *packet, int max_length) +{ + int length; + int i = 0; + + while (rx.ctrl & MAL_RX_CTRL_EMPTY) { + if (i++ > 100) { + printf ("RX timeout\n"); + return 0; + } + udelay (1000); + } + length = rx.data_len - 4; + if (length <= max_length) + memcpy(packet, rx.data_ptr, length); + sync (); + + rx.ctrl |= MAL_RX_CTRL_EMPTY; + sync (); + + return length; +} + + /* + * Test routines + */ + +static void packet_fill (char *packet, int length) +{ + char c = (char) length; + int i; + + /* set up ethernet header */ + memset (packet, 0xff, 14); + + for (i = 14; i < length; i++) { + packet[i] = c++; + } +} + +static int packet_check (char *packet, int length) +{ + char c = (char) length; + int i; + + for (i = 14; i < length; i++) { + if (packet[i] != c++) + return -1; + } + + return 0; +} + +static int test_ctlr (int devnum, int hw_addr) +{ + int res = -1; + char packet_send[MAX_PACKET_LENGTH]; + char packet_recv[MAX_PACKET_LENGTH]; + int length; + int i; + int l; + + ether_post_init (devnum, hw_addr); + + for (i = 0; i < TEST_NUM; i++) { + for (l = MIN_PACKET_LENGTH; l <= MAX_PACKET_LENGTH; l++) { + packet_fill (packet_send, l); + + ether_post_send (devnum, hw_addr, packet_send, l); + + length = ether_post_recv (devnum, hw_addr, packet_recv, + sizeof (packet_recv)); + + if (length != l || packet_check (packet_recv, length) < 0) { + goto Done; + } + } + } + + res = 0; + +Done: + + ether_post_halt (devnum, hw_addr); + + if (res != 0) { + post_log ("EMAC%d test failed\n", devnum); + } + + return res; +} + +int ether_post_test (int flags) +{ + int res = 0; + + /* Allocate tx & rx packet buffers */ + tx_buf = malloc (PKTSIZE_ALIGN + CFG_CACHELINE_SIZE); + rx_buf = malloc (PKTSIZE_ALIGN + CFG_CACHELINE_SIZE); + + if (!tx_buf || !rx_buf) { + printf ("Failed to allocate packet buffers\n"); + res = -1; + goto out_free; + } + + /* EMAC0 */ + if (test_ctlr (0, 0)) + res = -1; + + /* EMAC1 */ + if (test_ctlr (1, 0x100)) + res = -1; + +out_free: + free (tx_buf); + free (rx_buf); + + return res; +} + +#endif /* CONFIG_POST & CFG_POST_ETHER */ +#endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/fpu.c b/post/cpu/ppc4xx/fpu.c index 1935c01..c2eb4a9 100644 --- a/post/cpu/ppc4xx/fpu.c +++ b/post/cpu/ppc4xx/fpu.c @@ -1,5 +1,8 @@ /* - * Copyright (C) 2007 Wolfgang Denk + * (C) Copyright 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Author: Sergei Poselenov * * See file CREDITS for list of people who contributed to this * project. @@ -34,7 +37,7 @@ int fpu_status(void) { if (mfspr(ccr0) & CCR0_DAPUIB) return 0; /* Disabled */ - else + else return 1; /* Enabled */ } @@ -51,5 +54,6 @@ void fpu_enable(void) mtspr(ccr0, mfspr(ccr0) & ~CCR0_DAPUIB); mtmsr(mfmsr() | MSR_FP); } + #endif -#endif +#endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/spr.c b/post/cpu/ppc4xx/spr.c index f62526a..be5a701 100644 --- a/post/cpu/ppc4xx/spr.c +++ b/post/cpu/ppc4xx/spr.c @@ -2,6 +2,8 @@ * (C) Copyright 2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * + * Author: Igor Lisitsin + * * See file CREDITS for list of people who contributed to this * project. * @@ -39,6 +41,8 @@ #if CONFIG_POST & CFG_POST_SPR +#include + static struct { int number; @@ -60,8 +64,10 @@ static struct {0x113, "SPRG3", 0x00000000, 0x00000000}, {0x11f, "PVR", 0x00000000, 0x00000000}, - /* Additional Special-Purpose Registers */ - + /* Additional Special-Purpose Registers. + * The values must match the initialization + * values from cpu/ppc4xx/start.S + */ {0x30, "PID", 0x00000000, 0x00000000}, {0x3a, "CSRR0", 0x00000000, 0x00000000}, {0x3b, "CSRR1", 0x00000000, 0x00000000}, @@ -90,22 +96,22 @@ static struct {0x13f, "DVC2", 0x00000000, 0x00000000}, {0x150, "TSR", 0x00000000, 0x00000000}, {0x154, "TCR", 0x00000000, 0x00000000}, - {0x190, "IVOR0", 0x00000000, 0x00000000}, - {0x191, "IVOR1", 0x00000000, 0x00000000}, - {0x192, "IVOR2", 0x00000000, 0x00000000}, - {0x193, "IVOR3", 0x00000000, 0x00000000}, - {0x194, "IVOR4", 0x00000000, 0x00000000}, - {0x195, "IVOR5", 0x00000000, 0x00000000}, - {0x196, "IVOR6", 0x00000000, 0x00000000}, - {0x197, "IVOR7", 0x00000000, 0x00000000}, - {0x198, "IVOR8", 0x00000000, 0x00000000}, + {0x190, "IVOR0", 0x0000fff0, 0x00000100}, + {0x191, "IVOR1", 0x0000fff0, 0x00000200}, + {0x192, "IVOR2", 0x0000fff0, 0x00000300}, + {0x193, "IVOR3", 0x0000fff0, 0x00000400}, + {0x194, "IVOR4", 0x0000fff0, 0x00000500}, + {0x195, "IVOR5", 0x0000fff0, 0x00000600}, + {0x196, "IVOR6", 0x0000fff0, 0x00000700}, + {0x197, "IVOR7", 0x0000fff0, 0x00000800}, + {0x198, "IVOR8", 0x0000fff0, 0x00000c00}, {0x199, "IVOR9", 0x00000000, 0x00000000}, - {0x19a, "IVOR10", 0x00000000, 0x00000000}, + {0x19a, "IVOR10", 0x0000fff0, 0x00000900}, {0x19b, "IVOR11", 0x00000000, 0x00000000}, {0x19c, "IVOR12", 0x00000000, 0x00000000}, - {0x19d, "IVOR13", 0x00000000, 0x00000000}, - {0x19e, "IVOR14", 0x00000000, 0x00000000}, - {0x19f, "IVOR15", 0x00000000, 0x00000000}, + {0x19d, "IVOR13", 0x0000fff0, 0x00001300}, + {0x19e, "IVOR14", 0x0000fff0, 0x00001400}, + {0x19f, "IVOR15", 0x0000fff0, 0x00002000}, {0x23a, "MCSRR0", 0x00000000, 0x00000000}, {0x23b, "MCSRR1", 0x00000000, 0x00000000}, {0x23c, "MCSR", 0x00000000, 0x00000000}, @@ -126,8 +132,8 @@ static struct {0x395, "DTV1", 0x00000000, 0x00000000}, {0x396, "DTV2", 0x00000000, 0x00000000}, {0x397, "DTV3", 0x00000000, 0x00000000}, - {0x398, "DVLIM", 0x00000000, 0x00000000}, - {0x399, "IVLIM", 0x00000000, 0x00000000}, + {0x398, "DVLIM", 0x0fc1f83f, 0x0001f800}, + {0x399, "IVLIM", 0x0fc1f83f, 0x0001f800}, {0x39b, "RSTCFG", 0x00000000, 0x00000000}, {0x39c, "DCDBTRL", 0x00000000, 0x00000000}, {0x39d, "DCDBTRH", 0x00000000, 0x00000000}, @@ -172,5 +178,6 @@ int spr_post_test (int flags) return ret; } + #endif /* CONFIG_POST & CFG_POST_SPR */ #endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/uart.c b/post/cpu/ppc4xx/uart.c index f220dba..b047d42 100644 --- a/post/cpu/ppc4xx/uart.c +++ b/post/cpu/ppc4xx/uart.c @@ -2,6 +2,8 @@ * (C) Copyright 2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * + * Author: Igor Lisitsin + * * See file CREDITS for list of people who contributed to this * project. * @@ -210,5 +212,4 @@ int uart_post_test (int flags) } #endif /* CONFIG_POST & CFG_POST_UART */ - #endif /* CONFIG_POST */ diff --git a/post/cpu/ppc4xx/watchdog.c b/post/cpu/ppc4xx/watchdog.c index 3c76cfd..bd4f4c9 100644 --- a/post/cpu/ppc4xx/watchdog.c +++ b/post/cpu/ppc4xx/watchdog.c @@ -2,6 +2,8 @@ * (C) Copyright 2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * + * Author: Igor Lisitsin + * * See file CREDITS for list of people who contributed to this * project. * @@ -36,17 +38,18 @@ #ifdef CONFIG_POST #include -#include #if CONFIG_POST & CFG_POST_WATCHDOG +#include + int watchdog_post_test (int flags) { if (flags & POST_REBOOT) { /* Test passed */ - return 0; - } else { + } + else { /* 10-second delay */ int ints = disable_interrupts (); ulong base = post_time_ms (0); -- cgit v1.1 From 4ef218f6fdf8d747f4589da5252b004e7d2c2876 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Tue, 10 Jul 2007 00:01:28 +0200 Subject: Coding style cleanup; update CHANGELOG. Signed-off-by: Wolfgang Denk --- post/cpu/ppc4xx/cache_4xx.S | 2 +- post/cpu/ppc4xx/fpu.c | 2 +- post/cpu/ppc4xx/spr.c | 13 ++++++------- 3 files changed, 8 insertions(+), 9 deletions(-) (limited to 'post/cpu') diff --git a/post/cpu/ppc4xx/cache_4xx.S b/post/cpu/ppc4xx/cache_4xx.S index 785b8d6..dddd76b 100644 --- a/post/cpu/ppc4xx/cache_4xx.S +++ b/post/cpu/ppc4xx/cache_4xx.S @@ -438,7 +438,7 @@ cache_post_test6_reloc: blr /* Test instructions. - */ + */ cache_post_test_inst: li r3, 0 li r3, -1 diff --git a/post/cpu/ppc4xx/fpu.c b/post/cpu/ppc4xx/fpu.c index c2eb4a9..27e9ed0 100644 --- a/post/cpu/ppc4xx/fpu.c +++ b/post/cpu/ppc4xx/fpu.c @@ -37,7 +37,7 @@ int fpu_status(void) { if (mfspr(ccr0) & CCR0_DAPUIB) return 0; /* Disabled */ - else + else return 1; /* Enabled */ } diff --git a/post/cpu/ppc4xx/spr.c b/post/cpu/ppc4xx/spr.c index be5a701..3e74634 100644 --- a/post/cpu/ppc4xx/spr.c +++ b/post/cpu/ppc4xx/spr.c @@ -43,12 +43,11 @@ #include -static struct -{ - int number; - char * name; - unsigned long mask; - unsigned long value; +static struct { + int number; + char * name; + unsigned long mask; + unsigned long value; } spr_test_list [] = { /* Standard Special-Purpose Registers */ @@ -65,7 +64,7 @@ static struct {0x11f, "PVR", 0x00000000, 0x00000000}, /* Additional Special-Purpose Registers. - * The values must match the initialization + * The values must match the initialization * values from cpu/ppc4xx/start.S */ {0x30, "PID", 0x00000000, 0x00000000}, -- cgit v1.1