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/*
* Copyright 2009-2011 Freescale Semiconductor, 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
*/
#include <common.h>
#include <command.h>
#include <netdev.h>
#include <linux/compiler.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_portals.h>
#include <asm/fsl_liodn.h>
#include <fm_eth.h>
#include "../common/ngpixis.h"
#include "corenet_ds.h"
DECLARE_GLOBAL_DATA_PTR;
int checkboard (void)
{
u8 sw;
struct cpu_type *cpu = gd->cpu;
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
unsigned int i;
printf("Board: %sDS, ", cpu->name);
printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));
sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT;
if (sw < 0x8)
printf("vBank: %d\n", sw);
else if (sw == 0x8)
puts("Promjet\n");
else if (sw == 0x9)
puts("NAND\n");
else
printf("invalid setting of SW%u\n", PIXIS_LBMAP_SWITCH);
/* Display the RCW, so that no one gets confused as to what RCW
* we're actually using for this boot.
*/
puts("Reset Configuration Word (RCW):");
for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
u32 rcw = in_be32(&gur->rcwsr[i]);
if ((i % 4) == 0)
printf("\n %08x:", i * 4);
printf(" %08x", rcw);
}
puts("\n");
/* Display the actual SERDES reference clocks as configured by the
* dip switches on the board. Note that the SWx registers could
* technically be set to force the reference clocks to match the
* values that the SERDES expects (or vice versa). For now, however,
* we just display both values and hope the user notices when they
* don't match.
*/
puts("SERDES Reference Clocks: ");
#if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS)
sw = in_8(&PIXIS_SW(5));
for (i = 0; i < 3; i++) {
static const char *freq[] = {"100", "125", "156.25", "212.5" };
unsigned int clock = (sw >> (6 - (2 * i))) & 3;
printf("Bank%u=%sMhz ", i+1, freq[clock]);
}
puts("\n");
#else
sw = in_8(&PIXIS_SW(3));
printf("Bank1=%uMHz ", (sw & 0x40) ? 125 : 100);
printf("Bank2=%sMHz ", (sw & 0x20) ? "156.25" : "125");
printf("Bank3=%sMHz\n", (sw & 0x10) ? "156.25" : "125");
#endif
return 0;
}
int board_early_init_f(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
/*
* P4080 DS board only uses the DDR1_MCK0/3 and DDR2_MCK0/3
* disable the DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce
* the noise introduced by these unterminated and unused clock pairs.
*/
setbits_be32(&gur->ddrclkdr, 0x001B001B);
return 0;
}
int board_early_init_r(void)
{
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
/*
* Remap Boot flash + PROMJET region to caching-inhibited
* so that flash can be erased properly.
*/
/* Flush d-cache and invalidate i-cache of any FLASH data */
flush_dcache();
invalidate_icache();
/* invalidate existing TLB entry for flash + promjet */
disable_tlb(flash_esel);
set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */
set_liodns();
#ifdef CONFIG_SYS_DPAA_QBMAN
setup_portals();
#endif
return 0;
}
static const char *serdes_clock_to_string(u32 clock)
{
switch(clock) {
case SRDS_PLLCR0_RFCK_SEL_100:
return "100";
case SRDS_PLLCR0_RFCK_SEL_125:
return "125";
case SRDS_PLLCR0_RFCK_SEL_156_25:
return "156.25";
default:
return "150";
}
}
#define NUM_SRDS_BANKS 3
int misc_init_r(void)
{
serdes_corenet_t *srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
u32 actual[NUM_SRDS_BANKS];
unsigned int i;
u8 sw;
#if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS)
sw = in_8(&PIXIS_SW(5));
for (i = 0; i < 3; i++) {
unsigned int clock = (sw >> (6 - (2 * i))) & 3;
switch (clock) {
case 0:
actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
break;
case 1:
actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
break;
case 2:
actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
break;
default:
printf("Warning: SDREFCLK%u switch setting of '11' is "
"unsupported\n", i + 1);
break;
}
}
#else
/* Warn if the expected SERDES reference clocks don't match the
* actual reference clocks. This needs to be done after calling
* p4080_erratum_serdes8(), since that function may modify the clocks.
*/
sw = in_8(&PIXIS_SW(3));
actual[0] = (sw & 0x40) ?
SRDS_PLLCR0_RFCK_SEL_125 : SRDS_PLLCR0_RFCK_SEL_100;
actual[1] = (sw & 0x20) ?
SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125;
actual[2] = (sw & 0x10) ?
SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125;
#endif
for (i = 0; i < NUM_SRDS_BANKS; i++) {
u32 expected = srds_regs->bank[i].pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
if (expected != actual[i]) {
printf("Warning: SERDES bank %u expects reference clock"
" %sMHz, but actual is %sMHz\n", i + 1,
serdes_clock_to_string(expected),
serdes_clock_to_string(actual[i]));
}
}
return 0;
}
void ft_board_setup(void *blob, bd_t *bd)
{
phys_addr_t base;
phys_size_t size;
ft_cpu_setup(blob, bd);
base = getenv_bootm_low();
size = getenv_bootm_size();
fdt_fixup_memory(blob, (u64)base, (u64)size);
#ifdef CONFIG_PCI
pci_of_setup(blob, bd);
#endif
fdt_fixup_liodn(blob);
fdt_fixup_dr_usb(blob, bd);
#ifdef CONFIG_SYS_DPAA_FMAN
fdt_fixup_fman_ethernet(blob);
fdt_fixup_board_enet(blob);
#endif
}
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