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u-boot/board/prodrive/p3mx/p3mx.c
Peter Tyser 3cbcfa70b1 p3mx: Remove serial relocation fixups 
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2009-10-03 10:17:57 +02:00

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/*
* (C) Copyright 2006
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* Based on original work by
* Roel Loeffen, (C) Copyright 2006 Prodrive B.V.
* Josh Huber, (C) Copyright 2001 Mission Critical Linux, Inc.
*
* 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
*
* modifications for the DB64360 eval board based by Ingo.Assmus@keymile.com
* modifications for the cpci750 by reinhard.arlt@esd-electronics.com
* modifications for the P3M750 by roel.loeffen@prodrive.nl
*/
/*
* p3m750.c - main board support/init for the Prodrive p3m750/p3m7448.
*/
#include <common.h>
#include <74xx_7xx.h>
#include "../../Marvell/include/memory.h"
#include "../../Marvell/include/pci.h"
#include "../../Marvell/include/mv_gen_reg.h"
#include <net.h>
#include <i2c.h>
#include "eth.h"
#include "mpsc.h"
#include "64460.h"
#include "mv_regs.h"
#include "p3mx.h"
DECLARE_GLOBAL_DATA_PTR;
#undef DEBUG
/*#define DEBUG */
#ifdef CONFIG_PCI
#define MAP_PCI
#endif /* of CONFIG_PCI */
#ifdef DEBUG
#define DP(x) x
#else
#define DP(x)
#endif
extern flash_info_t flash_info[];
/* ------------------------------------------------------------------------- */
/* this is the current GT register space location */
/* it starts at CONFIG_SYS_DFL_GT_REGS but moves later to CONFIG_SYS_GT_REGS */
/* Unfortunately, we cant change it while we are in flash, so we initialize it
* to the "final" value. This means that any debug_led calls before
* board_early_init_f wont work right (like in cpu_init_f).
* See also my_remap_gt_regs below. (NTL)
*/
void board_prebootm_init (void);
unsigned int INTERNAL_REG_BASE_ADDR = CONFIG_SYS_GT_REGS;
int display_mem_map (void);
void set_led(int);
/* ------------------------------------------------------------------------- */
/*
* This is a version of the GT register space remapping function that
* doesn't touch globals (meaning, it's ok to run from flash.)
*
* Unfortunately, this has the side effect that a writable
* INTERNAL_REG_BASE_ADDR is impossible. Oh well.
*/
void my_remap_gt_regs (u32 cur_loc, u32 new_loc)
{
u32 temp;
/* check and see if it's already moved */
temp = in_le32 ((u32 *) (new_loc + INTERNAL_SPACE_DECODE));
if ((temp & 0xffff) == new_loc >> 16)
return;
temp = (in_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE)) &
0xffff0000) | (new_loc >> 16);
out_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE), temp);
while (GTREGREAD (INTERNAL_SPACE_DECODE) != temp);
}
#ifdef CONFIG_PCI
static void gt_pci_config (void)
{
unsigned int stat;
unsigned int val = 0x00fff864; /* DINK32: BusNum 23:16, DevNum 15:11, */
/* FuncNum 10:8, RegNum 7:2 */
/*
* In PCIX mode devices provide their own bus and device numbers.
* We query the Discovery II's
* config registers by writing ones to the bus and device.
* We then update the Virtual register with the correct value for the
* bus and device.
*/
if ((GTREGREAD (PCI_0_MODE) & (BIT4 | BIT5)) != 0) { /* if PCI-X */
GT_REG_WRITE (PCI_0_CONFIG_ADDR, BIT31 | val);
GT_REG_READ (PCI_0_CONFIG_DATA_VIRTUAL_REG, &stat);
GT_REG_WRITE (PCI_0_CONFIG_ADDR, BIT31 | val);
GT_REG_WRITE (PCI_0_CONFIG_DATA_VIRTUAL_REG,
(stat & 0xffff0000) | CONFIG_SYS_PCI_IDSEL);
}
if ((GTREGREAD (PCI_1_MODE) & (BIT4 | BIT5)) != 0) { /* if PCI-X */
GT_REG_WRITE (PCI_1_CONFIG_ADDR, BIT31 | val);
GT_REG_READ (PCI_1_CONFIG_DATA_VIRTUAL_REG, &stat);
GT_REG_WRITE (PCI_1_CONFIG_ADDR, BIT31 | val);
GT_REG_WRITE (PCI_1_CONFIG_DATA_VIRTUAL_REG,
(stat & 0xffff0000) | CONFIG_SYS_PCI_IDSEL);
}
/* Enable master */
PCI_MASTER_ENABLE (0, SELF);
PCI_MASTER_ENABLE (1, SELF);
/* Enable PCI0/1 Mem0 and IO 0 disable all others */
GT_REG_READ (BASE_ADDR_ENABLE, &stat);
stat |= (1 << 11) | (1 << 12) | (1 << 13) | (1 << 16) | (1 << 17) |
(1 << 18);
stat &= ~((1 << 9) | (1 << 10) | (1 << 14) | (1 << 15));
GT_REG_WRITE (BASE_ADDR_ENABLE, stat);
/* ronen:
* add write to pci remap registers for 64460.
* in 64360 when writing to pci base go and overide remap automaticaly,
* in 64460 it doesn't
*/
GT_REG_WRITE (PCI_0_IO_BASE_ADDR, CONFIG_SYS_PCI0_IO_SPACE >> 16);
GT_REG_WRITE (PCI_0I_O_ADDRESS_REMAP, CONFIG_SYS_PCI0_IO_SPACE_PCI >> 16);
GT_REG_WRITE (PCI_0_IO_SIZE, (CONFIG_SYS_PCI0_IO_SIZE - 1) >> 16);
GT_REG_WRITE (PCI_0_MEMORY0_BASE_ADDR, CONFIG_SYS_PCI0_MEM_BASE >> 16);
GT_REG_WRITE (PCI_0MEMORY0_ADDRESS_REMAP, CONFIG_SYS_PCI0_MEM_BASE >> 16);
GT_REG_WRITE (PCI_0_MEMORY0_SIZE, (CONFIG_SYS_PCI0_MEM_SIZE - 1) >> 16);
GT_REG_WRITE (PCI_1_IO_BASE_ADDR, CONFIG_SYS_PCI1_IO_SPACE >> 16);
GT_REG_WRITE (PCI_1I_O_ADDRESS_REMAP, CONFIG_SYS_PCI1_IO_SPACE_PCI >> 16);
GT_REG_WRITE (PCI_1_IO_SIZE, (CONFIG_SYS_PCI1_IO_SIZE - 1) >> 16);
GT_REG_WRITE (PCI_1_MEMORY0_BASE_ADDR, CONFIG_SYS_PCI1_MEM_BASE >> 16);
GT_REG_WRITE (PCI_1MEMORY0_ADDRESS_REMAP, CONFIG_SYS_PCI1_MEM_BASE >> 16);
GT_REG_WRITE (PCI_1_MEMORY0_SIZE, (CONFIG_SYS_PCI1_MEM_SIZE - 1) >> 16);
/* PCI interface settings */
/* Timeout set to retry forever */
GT_REG_WRITE (PCI_0TIMEOUT_RETRY, 0x0);
GT_REG_WRITE (PCI_1TIMEOUT_RETRY, 0x0);
/* ronen - enable only CS0 and Internal reg!! */
GT_REG_WRITE (PCI_0BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
GT_REG_WRITE (PCI_1BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
/* ronen:
* update the pci internal registers base address.
*/
#ifdef MAP_PCI
for (stat = 0; stat <= PCI_HOST1; stat++)
pciWriteConfigReg (stat,
PCI_INTERNAL_REGISTERS_MEMORY_MAPPED_BASE_ADDRESS,
SELF, CONFIG_SYS_GT_REGS);
#endif
}
#endif
/* Setup CPU interface paramaters */
static void gt_cpu_config (void)
{
cpu_t cpu = get_cpu_type ();
ulong tmp;
/* cpu configuration register */
tmp = GTREGREAD (CPU_CONFIGURATION);
/* set the SINGLE_CPU bit see MV64460 */
#ifndef CONFIG_SYS_GT_DUAL_CPU /* SINGLE_CPU seems to cause JTAG problems */
tmp |= CPU_CONF_SINGLE_CPU;
#endif
tmp &= ~CPU_CONF_AACK_DELAY_2;
tmp |= CPU_CONF_DP_VALID;
tmp |= CPU_CONF_AP_VALID;
tmp |= CPU_CONF_PIPELINE;
GT_REG_WRITE (CPU_CONFIGURATION, tmp); /* Marvell (VXWorks) writes 0x20220FF */
/* CPU master control register */
tmp = GTREGREAD (CPU_MASTER_CONTROL);
tmp |= CPU_MAST_CTL_ARB_EN;
if ((cpu == CPU_7400) ||
(cpu == CPU_7410) || (cpu == CPU_7455) || (cpu == CPU_7450)) {
tmp |= CPU_MAST_CTL_CLEAN_BLK;
tmp |= CPU_MAST_CTL_FLUSH_BLK;
} else {
/* cleanblock must be cleared for CPUs
* that do not support this command (603e, 750)
* see Res#1 */
tmp &= ~CPU_MAST_CTL_CLEAN_BLK;
tmp &= ~CPU_MAST_CTL_FLUSH_BLK;
}
GT_REG_WRITE (CPU_MASTER_CONTROL, tmp);
}
/*
* board_early_init_f.
*
* set up gal. device mappings, etc.
*/
int board_early_init_f (void)
{
/* set up the GT the way the kernel wants it
* the call to move the GT register space will obviously
* fail if it has already been done, but we're going to assume
* that if it's not at the power-on location, it's where we put
* it last time. (huber)
*/
my_remap_gt_regs (CONFIG_SYS_DFL_GT_REGS, CONFIG_SYS_GT_REGS);
#ifdef CONFIG_PCI
gt_pci_config ();
#endif
/* mask all external interrupt sources */
GT_REG_WRITE (CPU_INTERRUPT_MASK_REGISTER_LOW, 0);
GT_REG_WRITE (CPU_INTERRUPT_MASK_REGISTER_HIGH, 0);
/* new in >MV6436x */
GT_REG_WRITE (CPU_INTERRUPT_1_MASK_REGISTER_LOW, 0);
GT_REG_WRITE (CPU_INTERRUPT_1_MASK_REGISTER_HIGH, 0);
/* --------------------- */
GT_REG_WRITE (PCI_0INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
GT_REG_WRITE (PCI_0INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
GT_REG_WRITE (PCI_1INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0);
GT_REG_WRITE (PCI_1INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0);
/* Device and Boot bus settings
*/
memoryMapDeviceSpace(DEVICE0, 0, 0);
GT_REG_WRITE(DEVICE_BANK0PARAMETERS, 0);
memoryMapDeviceSpace(DEVICE1, 0, 0);
GT_REG_WRITE(DEVICE_BANK1PARAMETERS, 0);
memoryMapDeviceSpace(DEVICE2, 0, 0);
GT_REG_WRITE(DEVICE_BANK2PARAMETERS, 0);
memoryMapDeviceSpace(DEVICE3, 0, 0);
GT_REG_WRITE(DEVICE_BANK3PARAMETERS, 0);
GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_BOOT_PAR);
gt_cpu_config();
/* MPP setup */
GT_REG_WRITE (MPP_CONTROL0, CONFIG_SYS_MPP_CONTROL_0);
GT_REG_WRITE (MPP_CONTROL1, CONFIG_SYS_MPP_CONTROL_1);
GT_REG_WRITE (MPP_CONTROL2, CONFIG_SYS_MPP_CONTROL_2);
GT_REG_WRITE (MPP_CONTROL3, CONFIG_SYS_MPP_CONTROL_3);
GT_REG_WRITE (GPP_LEVEL_CONTROL, CONFIG_SYS_GPP_LEVEL_CONTROL);
set_led(LED_RED);
return 0;
}
/* various things to do after relocation */
int misc_init_r ()
{
u8 val;
icache_enable ();
#ifdef CONFIG_SYS_L2
l2cache_enable ();
#endif
#ifdef CONFIG_MPSC
mpsc_sdma_init ();
mpsc_init2 ();
#endif
/*
* Enable trickle changing in RTC upon powerup
* No diode, 250 ohm series resistor
*/
val = 0xa5;
i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 8, 1, &val, 1);
return 0;
}
void after_reloc (ulong dest_addr, gd_t * gd)
{
memoryMapDeviceSpace (BOOT_DEVICE, CONFIG_SYS_BOOT_SPACE, CONFIG_SYS_BOOT_SIZE);
/* display_mem_map(); */
/* now, jump to the main U-Boot board init code */
set_led(LED_GREEN);
board_init_r (gd, dest_addr);
/* NOTREACHED */
}
/*
* Check Board Identity:
* right now, assume borad type. (there is just one...after all)
*/
int checkboard (void)
{
char *s = getenv("serial#");
printf("Board: %s", CONFIG_SYS_BOARD_NAME);
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\n');
return (0);
}
void set_led(int col)
{
int tmp;
int on_pin;
int off_pin;
/* Program Mpp[22] as Gpp[22]
* Program Mpp[23] as Gpp[23]
*/
tmp = GTREGREAD(MPP_CONTROL2);
tmp &= 0x00ffffff;
GT_REG_WRITE(MPP_CONTROL2,tmp);
/* Program Gpp[22] and Gpp[23] as output
*/
tmp = GTREGREAD(GPP_IO_CONTROL);
tmp |= 0x00C00000;
GT_REG_WRITE(GPP_IO_CONTROL, tmp);
/* Program Gpp[22] and Gpp[23] as active high
*/
tmp = GTREGREAD(GPP_LEVEL_CONTROL);
tmp &= 0xff3fffff;
GT_REG_WRITE(GPP_LEVEL_CONTROL, tmp);
switch(col) {
default:
case LED_OFF :
on_pin = 0;
off_pin = ((1 << 23) | (1 << 22));
break;
case LED_RED :
on_pin = (1 << 23);
off_pin = (1 << 22);
break;
case LED_GREEN :
on_pin = (1 << 22);
off_pin = (1 << 23);
break;
case LED_ORANGE :
on_pin = ((1 << 23) | (1 << 22));
off_pin = 0;
break;
}
/* Set output Gpp[22] and Gpp[23]
*/
tmp = GTREGREAD(GPP_VALUE);
tmp |= on_pin;
tmp &= ~off_pin;
GT_REG_WRITE(GPP_VALUE, tmp);
}
int display_mem_map (void)
{
int i;
unsigned int base, size, width;
#ifdef CONFIG_PCI
int j;
#endif
/* SDRAM */
printf ("SD (DDR) RAM\n");
for (i = 0; i <= BANK3; i++) {
base = memoryGetBankBaseAddress (i);
size = memoryGetBankSize (i);
if (size != 0)
printf ("BANK%d: base - 0x%08x\tsize - %dM bytes\n",
i, base, size >> 20);
}
#ifdef CONFIG_PCI
/* CPU's PCI windows */
for (i = 0; i <= PCI_HOST1; i++) {
printf ("\nCPU's PCI %d windows\n", i);
base = pciGetSpaceBase (i, PCI_IO);
size = pciGetSpaceSize (i, PCI_IO);
printf (" IO: base - 0x%08x\tsize - %dM bytes\n", base,
size >> 20);
/* ronen currently only first PCI MEM is used 3 */
for (j = 0; j <= PCI_REGION0; j++) {
base = pciGetSpaceBase (i, j);
size = pciGetSpaceSize (i, j);
printf ("MEMORY %d: base - 0x%08x\tsize - %dM bytes\n",
j, base, size >> 20);
}
}
#endif /* of CONFIG_PCI */
/* Bootrom */
base = memoryGetDeviceBaseAddress (BOOT_DEVICE); /* Boot */
size = memoryGetDeviceSize (BOOT_DEVICE);
width = memoryGetDeviceWidth (BOOT_DEVICE) * 8;
printf (" BOOT: base - 0x%08x size - %dM bytes\twidth - %d bits\t- FLASH\n",
base, size >> 20, width);
return (0);
}
/* DRAM check routines copied from gw8260 */
#if defined (CONFIG_SYS_DRAM_TEST)
/*********************************************************************/
/* NAME: move64() - moves a double word (64-bit) */
/* */
/* DESCRIPTION: */
/* this function performs a double word move from the data at */
/* the source pointer to the location at the destination pointer. */
/* */
/* INPUTS: */
/* unsigned long long *src - pointer to data to move */
/* */
/* OUTPUTS: */
/* unsigned long long *dest - pointer to locate to move data */
/* */
/* RETURNS: */
/* None */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* May cloober fr0. */
/* */
/*********************************************************************/
static void move64 (unsigned long long *src, unsigned long long *dest)
{
asm ("lfd 0, 0(3)\n\t" /* fpr0 = *scr */
"stfd 0, 0(4)" /* *dest = fpr0 */
: : : "fr0"); /* Clobbers fr0 */
return;
}
#if defined (CONFIG_SYS_DRAM_TEST_DATA)
unsigned long long pattern[] = {
0xaaaaaaaaaaaaaaaaULL,
0xccccccccccccccccULL,
0xf0f0f0f0f0f0f0f0ULL,
0xff00ff00ff00ff00ULL,
0xffff0000ffff0000ULL,
0xffffffff00000000ULL,
0x00000000ffffffffULL,
0x0000ffff0000ffffULL,
0x00ff00ff00ff00ffULL,
0x0f0f0f0f0f0f0f0fULL,
0x3333333333333333ULL,
0x5555555555555555ULL
};
/*********************************************************************/
/* NAME: mem_test_data() - test data lines for shorts and opens */
/* */
/* DESCRIPTION: */
/* Tests data lines for shorts and opens by forcing adjacent data */
/* to opposite states. Because the data lines could be routed in */
/* an arbitrary manner the must ensure test patterns ensure that */
/* every case is tested. By using the following series of binary */
/* patterns every combination of adjacent bits is test regardless */
/* of routing. */
/* */
/* ...101010101010101010101010 */
/* ...110011001100110011001100 */
/* ...111100001111000011110000 */
/* ...111111110000000011111111 */
/* */
/* Carrying this out, gives us six hex patterns as follows: */
/* */
/* 0xaaaaaaaaaaaaaaaa */
/* 0xcccccccccccccccc */
/* 0xf0f0f0f0f0f0f0f0 */
/* 0xff00ff00ff00ff00 */
/* 0xffff0000ffff0000 */
/* 0xffffffff00000000 */
/* */
/* The number test patterns will always be given by: */
/* */
/* log(base 2)(number data bits) = log2 (64) = 6 */
/* */
/* To test for short and opens to other signals on our boards. we */
/* simply */
/* test with the 1's complemnt of the paterns as well. */
/* */
/* OUTPUTS: */
/* Displays failing test pattern */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* Assumes only one one SDRAM bank */
/* */
/*********************************************************************/
int mem_test_data (void)
{
unsigned long long *pmem = (unsigned long long *) CONFIG_SYS_MEMTEST_START;
unsigned long long temp64 = 0;
int num_patterns = sizeof (pattern) / sizeof (pattern[0]);
int i;
unsigned int hi, lo;
for (i = 0; i < num_patterns; i++) {
move64 (&(pattern[i]), pmem);
move64 (pmem, &temp64);
/* hi = (temp64>>32) & 0xffffffff; */
/* lo = temp64 & 0xffffffff; */
/* printf("\ntemp64 = 0x%08x%08x", hi, lo); */
hi = (pattern[i] >> 32) & 0xffffffff;
lo = pattern[i] & 0xffffffff;
/* printf("\npattern[%d] = 0x%08x%08x", i, hi, lo); */
if (temp64 != pattern[i]) {
printf ("\n Data Test Failed, pattern 0x%08x%08x",
hi, lo);
return 1;
}
}
return 0;
}
#endif /* CONFIG_SYS_DRAM_TEST_DATA */
#if defined (CONFIG_SYS_DRAM_TEST_ADDRESS)
/*********************************************************************/
/* NAME: mem_test_address() - test address lines */
/* */
/* DESCRIPTION: */
/* This function performs a test to verify that each word im */
/* memory is uniquly addressable. The test sequence is as follows: */
/* */
/* 1) write the address of each word to each word. */
/* 2) verify that each location equals its address */
/* */
/* OUTPUTS: */
/* Displays failing test pattern and address */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int mem_test_address (void)
{
volatile unsigned int *pmem =
(volatile unsigned int *) CONFIG_SYS_MEMTEST_START;
const unsigned int size = (CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START) / 4;
unsigned int i;
/* write address to each location */
for (i = 0; i < size; i++)
pmem[i] = i;
/* verify each loaction */
for (i = 0; i < size; i++) {
if (pmem[i] != i) {
printf ("\n Address Test Failed at 0x%x", i);
return 1;
}
}
return 0;
}
#endif /* CONFIG_SYS_DRAM_TEST_ADDRESS */
#if defined (CONFIG_SYS_DRAM_TEST_WALK)
/*********************************************************************/
/* NAME: mem_march() - memory march */
/* */
/* DESCRIPTION: */
/* Marches up through memory. At each location verifies rmask if */
/* read = 1. At each location write wmask if write = 1. Displays */
/* failing address and pattern. */
/* */
/* INPUTS: */
/* volatile unsigned long long * base - start address of test */
/* unsigned int size - number of dwords(64-bit) to test */
/* unsigned long long rmask - read verify mask */
/* unsigned long long wmask - wrtie verify mask */
/* short read - verifies rmask if read = 1 */
/* short write - writes wmask if write = 1 */
/* */
/* OUTPUTS: */
/* Displays failing test pattern and address */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int mem_march (volatile unsigned long long *base,
unsigned int size,
unsigned long long rmask,
unsigned long long wmask, short read, short write)
{
unsigned int i;
unsigned long long temp = 0;
unsigned int hitemp, lotemp, himask, lomask;
for (i = 0; i < size; i++) {
if (read != 0) {
/* temp = base[i]; */
move64 ((unsigned long long *) &(base[i]), &temp);
if (rmask != temp) {
hitemp = (temp >> 32) & 0xffffffff;
lotemp = temp & 0xffffffff;
himask = (rmask >> 32) & 0xffffffff;
lomask = rmask & 0xffffffff;
printf ("\n Walking one's test failed: address = 0x%08x," "\n\texpected 0x%08x%08x, found 0x%08x%08x", i << 3, himask, lomask, hitemp, lotemp);
return 1;
}
}
if (write != 0) {
/* base[i] = wmask; */
move64 (&wmask, (unsigned long long *) &(base[i]));
}
}
return 0;
}
#endif /* CONFIG_SYS_DRAM_TEST_WALK */
/*********************************************************************/
/* NAME: mem_test_walk() - a simple walking ones test */
/* */
/* DESCRIPTION: */
/* Performs a walking ones through entire physical memory. The */
/* test uses as series of memory marches, mem_march(), to verify */
/* and write the test patterns to memory. The test sequence is as */
/* follows: */
/* 1) march writing 0000...0001 */
/* 2) march verifying 0000...0001 , writing 0000...0010 */
/* 3) repeat step 2 shifting masks left 1 bit each time unitl */
/* the write mask equals 1000...0000 */
/* 4) march verifying 1000...0000 */
/* The test fails if any of the memory marches return a failure. */
/* */
/* OUTPUTS: */
/* Displays which pass on the memory test is executing */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int mem_test_walk (void)
{
unsigned long long mask;
volatile unsigned long long *pmem =
(volatile unsigned long long *) CONFIG_SYS_MEMTEST_START;
const unsigned long size = (CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START) / 8;
unsigned int i;
mask = 0x01;
printf ("Initial Pass");
mem_march (pmem, size, 0x0, 0x1, 0, 1);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
printf (" ");
printf (" ");
printf ("\b\b\b\b\b\b\b\b\b\b\b\b");
for (i = 0; i < 63; i++) {
printf ("Pass %2d", i + 2);
if (mem_march (pmem, size, mask, mask << 1, 1, 1) != 0) {
/*printf("mask: 0x%x, pass: %d, ", mask, i); */
return 1;
}
mask = mask << 1;
printf ("\b\b\b\b\b\b\b");
}
printf ("Last Pass");
if (mem_march (pmem, size, 0, mask, 0, 1) != 0) {
/* printf("mask: 0x%x", mask); */
return 1;
}
printf ("\b\b\b\b\b\b\b\b\b");
printf (" ");
printf ("\b\b\b\b\b\b\b\b\b");
return 0;
}
/*********************************************************************/
/* NAME: testdram() - calls any enabled memory tests */
/* */
/* DESCRIPTION: */
/* Runs memory tests if the environment test variables are set to */
/* 'y'. */
/* */
/* INPUTS: */
/* testdramdata - If set to 'y', data test is run. */
/* testdramaddress - If set to 'y', address test is run. */
/* testdramwalk - If set to 'y', walking ones test is run */
/* */
/* OUTPUTS: */
/* None */
/* */
/* RETURNS: */
/* 0 - Passed test */
/* 1 - Failed test */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* */
/* */
/*********************************************************************/
int testdram (void)
{
char *s;
int rundata = 0;
int runaddress = 0;
int runwalk = 0;
#ifdef CONFIG_SYS_DRAM_TEST_DATA
s = getenv ("testdramdata");
rundata = (s && (*s == 'y')) ? 1 : 0;
#endif
#ifdef CONFIG_SYS_DRAM_TEST_ADDRESS
s = getenv ("testdramaddress");
runaddress = (s && (*s == 'y')) ? 1 : 0;
#endif
#ifdef CONFIG_SYS_DRAM_TEST_WALK
s = getenv ("testdramwalk");
runwalk = (s && (*s == 'y')) ? 1 : 0;
#endif
if ((rundata == 1) || (runaddress == 1) || (runwalk == 1))
printf ("Testing RAM from 0x%08x to 0x%08x ... "
"(don't panic... that will take a moment !!!!)\n",
CONFIG_SYS_MEMTEST_START, CONFIG_SYS_MEMTEST_END);
#ifdef CONFIG_SYS_DRAM_TEST_DATA
if (rundata == 1) {
printf ("Test DATA ... ");
if (mem_test_data () == 1) {
printf ("failed \n");
return 1;
} else
printf ("ok \n");
}
#endif
#ifdef CONFIG_SYS_DRAM_TEST_ADDRESS
if (runaddress == 1) {
printf ("Test ADDRESS ... ");
if (mem_test_address () == 1) {
printf ("failed \n");
return 1;
} else
printf ("ok \n");
}
#endif
#ifdef CONFIG_SYS_DRAM_TEST_WALK
if (runwalk == 1) {
printf ("Test WALKING ONEs ... ");
if (mem_test_walk () == 1) {
printf ("failed \n");
return 1;
} else
printf ("ok \n");
}
#endif
if ((rundata == 1) || (runaddress == 1) || (runwalk == 1))
printf ("passed\n");
return 0;
}
#endif /* CONFIG_SYS_DRAM_TEST */
/* ronen - the below functions are used by the bootm function */
/* - we map the base register to fbe00000 (same mapping as in the LSP) */
/* - we turn off the RX gig dmas - to prevent the dma from overunning */
/* the kernel data areas. */
/* - we diable and invalidate the icache and dcache. */
void my_remap_gt_regs_bootm (u32 cur_loc, u32 new_loc)
{
u32 temp;
temp = in_le32 ((u32 *) (new_loc + INTERNAL_SPACE_DECODE));
if ((temp & 0xffff) == new_loc >> 16)
return;
temp = (in_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE)) &
0xffff0000) | (new_loc >> 16);
out_le32 ((u32 *) (cur_loc + INTERNAL_SPACE_DECODE), temp);
while ((WORD_SWAP (*((volatile unsigned int *) (NONE_CACHEABLE |
new_loc |
(INTERNAL_SPACE_DECODE)))))
!= temp);
}
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