u-boot/board/gdsys/405ep/neo.c
Dirk Eibach aba27acf67 powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA
A set of accessor functions was added to be able to access not only
memory mapped FPGA in a generic way.

Thanks to Wolfgang Denk for getting this sorted properly.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
2013-07-25 19:35:42 +02:00

150 lines
2.5 KiB
C

/*
* (C) Copyright 2011
* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/ppc4xx-gpio.h>
#include <dtt.h>
#include "405ep.h"
#include <gdsys_fpga.h>
#define LATCH0_BASE (CONFIG_SYS_LATCH_BASE)
#define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100)
#define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
enum {
UNITTYPE_CCX16 = 1,
UNITTYPE_CCIP216 = 2,
};
enum {
HWVER_300 = 3,
};
struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
int misc_init_r(void)
{
/* startup fans */
dtt_init();
return 0;
}
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: CATCenter Neo");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
puts("\n");
return 0;
}
static void print_fpga_info(void)
{
u16 versions;
u16 fpga_version;
u16 fpga_features;
int fpga_state = get_fpga_state(0);
unsigned unit_type;
unsigned hardware_version;
unsigned feature_channels;
puts("FPGA: ");
if (fpga_state & FPGA_STATE_DONE_FAILED) {
printf(" done timed out\n");
return;
}
if (fpga_state & FPGA_STATE_REFLECTION_FAILED) {
printf(" refelectione test failed\n");
return;
}
FPGA_GET_REG(0, versions, &versions);
FPGA_GET_REG(0, fpga_version, &fpga_version);
FPGA_GET_REG(0, fpga_features, &fpga_features);
unit_type = (versions & 0xf000) >> 12;
hardware_version = versions & 0x000f;
feature_channels = fpga_features & 0x007f;
switch (unit_type) {
case UNITTYPE_CCX16:
printf("CCX-Switch");
break;
default:
printf("UnitType %d(not supported)", unit_type);
break;
}
switch (hardware_version) {
case HWVER_300:
printf(" HW-Ver 3.00-3.12\n");
break;
default:
printf(" HW-Ver %d(not supported)\n",
hardware_version);
break;
}
printf(" FPGA V %d.%02d, features:",
fpga_version / 100, fpga_version % 100);
printf(" %d channel(s)\n", feature_channels);
}
int last_stage_init(void)
{
print_fpga_info();
return 0;
}
void gd405ep_init(void)
{
}
void gd405ep_set_fpga_reset(unsigned state)
{
if (state) {
out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET);
out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET);
} else {
out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT);
out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT);
}
}
void gd405ep_setup_hw(void)
{
/*
* set "startup-finished"-gpios
*/
gpio_write_bit(21, 0);
gpio_write_bit(22, 1);
}
int gd405ep_get_fpga_done(unsigned fpga)
{
/*
* Neo hardware has no FPGA-DONE GPIO
*/
return 1;
}