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add the MPB programm of the RCCE distribution to MetalSVM

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This commit is contained in:
Stefan Lankes 2011-03-26 00:55:20 -07:00
parent 2fb15062da
commit edbc87a1fb
1 changed files with 35 additions and 0 deletions
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35
arch/x86/scc/scc_init.c
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@ -23,6 +23,7 @@
#include <metalsvm/errno.h>
#include <asm/io.h>
#include <asm/RCCE_lib.h>
#include <asm/SCC_API.h>
#ifdef CONFIG_ROCKCREEK
@ -32,6 +33,40 @@
static char* rcce_argv[] = {"MetalSVM", "1", "533", "0"};
static int rcce_argc = 4;
/*
* This is a modified MPB program, which is part of the RCCE distribution (src/mpb.c).
*/
static int scc_reset(void)
{
int tmp, x, y, z, offset;
// Initialize API
InitAPI(0);
// Find out who I am...
tmp=ReadConfigReg(CRB_OWN+MYTILEID);
x=(tmp>>3) & 0x0f; // bits 06:03
y=(tmp>>7) & 0x0f; // bits 10:07
z=(tmp ) & 0x07; // bits 02:00
// Allocate Message Passing Buffer
t_vcharp MPB;
MPBalloc(&MPB, x, y, z, 1);
if (!MPB) {
kprintf("Unable to allocate MPB for core %d of Tile x=%d, y= %d! Exiting.\n", z, x, y);
return 255;
}
// zap own MPB
for (offset=0; offset < 0x2000; offset+=8)
*(volatile unsigned long long int*)(MPB+offset) = 0;
// Clear test&set register write. Next read-access will read "1" (lock granted).
SetConfigReg(CRB_ADDR(x,y)+((z)?LOCK1:LOCK0), 1);
return 0;
}
int scc_init(void)
{
// uint32_t x, y, z;