Release 4.14 arch/powerpc/boot/treeboot-walnut.c
/*
* Old U-boot compatibility for Walnut
*
* Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* Copyright 2007 IBM Corporation
* Based on cuboot-83xx.c, which is:
* Copyright (c) 2007 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include "ops.h"
#include "stdio.h"
#include "dcr.h"
#include "4xx.h"
#include "io.h"
BSS_STACK(4096);
static void walnut_flashsel_fixup(void)
{
void *devp, *sram;
u32 reg_flash[3] = {0x0, 0x0, 0x80000};
u32 reg_sram[3] = {0x0, 0x0, 0x80000};
u8 *fpga;
u8 fpga_brds1 = 0x0;
devp = finddevice("/plb/ebc/fpga");
if (!devp)
fatal("Couldn't locate FPGA node\n\r");
if (getprop(devp, "virtual-reg", &fpga, sizeof(fpga)) != sizeof(fpga))
fatal("no virtual-reg property\n\r");
fpga_brds1 = in_8(fpga);
devp = finddevice("/plb/ebc/flash");
if (!devp)
fatal("Couldn't locate flash node\n\r");
if (getprop(devp, "reg", reg_flash, sizeof(reg_flash)) != sizeof(reg_flash))
fatal("flash reg property has unexpected size\n\r");
sram = finddevice("/plb/ebc/sram");
if (!sram)
fatal("Couldn't locate sram node\n\r");
if (getprop(sram, "reg", reg_sram, sizeof(reg_sram)) != sizeof(reg_sram))
fatal("sram reg property has unexpected size\n\r");
if (fpga_brds1 & 0x1) {
reg_flash[1] ^= 0x80000;
reg_sram[1] ^= 0x80000;
}
setprop(devp, "reg", reg_flash, sizeof(reg_flash));
setprop(sram, "reg", reg_sram, sizeof(reg_sram));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josh Boyer | 239 | 100.00% | 1 | 100.00% |
| Total | 239 | 100.00% | 1 | 100.00% |
#define WALNUT_OPENBIOS_MAC_OFF 0xfffffe0b
static void walnut_fixups(void)
{
ibm4xx_sdram_fixup_memsize();
ibm405gp_fixup_clocks(33330000, 0xa8c000);
ibm4xx_quiesce_eth((u32 *)0xef600800, NULL);
ibm4xx_fixup_ebc_ranges("/plb/ebc");
walnut_flashsel_fixup();
dt_fixup_mac_address_by_alias("ethernet0", (u8 *) WALNUT_OPENBIOS_MAC_OFF);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josh Boyer | 44 | 91.67% | 2 | 50.00% |
| David Gibson | 3 | 6.25% | 1 | 25.00% |
| Benjamin Herrenschmidt | 1 | 2.08% | 1 | 25.00% |
| Total | 48 | 100.00% | 4 | 100.00% |
void platform_init(void)
{
unsigned long end_of_ram = 0x2000000;
unsigned long avail_ram = end_of_ram - (unsigned long) _end;
simple_alloc_init(_end, avail_ram, 32, 32);
platform_ops.fixups = walnut_fixups;
platform_ops.exit = ibm40x_dbcr_reset;
fdt_init(_dtb_start);
serial_console_init();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josh Boyer | 55 | 98.21% | 1 | 50.00% |
| David Gibson | 1 | 1.79% | 1 | 50.00% |
| Total | 56 | 100.00% | 2 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josh Boyer | 363 | 98.64% | 2 | 40.00% |
| David Gibson | 4 | 1.09% | 2 | 40.00% |
| Benjamin Herrenschmidt | 1 | 0.27% | 1 | 20.00% |
| Total | 368 | 100.00% | 5 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.