upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
319 lines
8.0 KiB
319 lines
8.0 KiB
/*
|
|
* Copyright (C) 2007 Freescale Semiconductor, Inc.
|
|
* Dave Liu <daveliu@freescale.com>
|
|
*
|
|
* CREDITS: Kim Phillips contribute to LIBFDT code
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <i2c.h>
|
|
#include <asm/io.h>
|
|
#include <asm/fsl_serdes.h>
|
|
#include <spd_sdram.h>
|
|
#include <tsec.h>
|
|
#include <libfdt.h>
|
|
#include <fdt_support.h>
|
|
#include "pci.h"
|
|
#include "../common/pq-mds-pib.h"
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
|
|
|
|
/* Enable flash write */
|
|
bcsr[0x9] &= ~0x04;
|
|
/* Clear all of the interrupt of BCSR */
|
|
bcsr[0xe] = 0xff;
|
|
|
|
#ifdef CONFIG_FSL_SERDES
|
|
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
|
|
u32 spridr = in_be32(&immr->sysconf.spridr);
|
|
|
|
/* we check only part num, and don't look for CPU revisions */
|
|
switch (PARTID_NO_E(spridr)) {
|
|
case SPR_8377:
|
|
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
|
|
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
|
|
break;
|
|
case SPR_8378:
|
|
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SGMII,
|
|
FSL_SERDES_CLK_125, FSL_SERDES_VDD_1V);
|
|
break;
|
|
case SPR_8379:
|
|
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
|
|
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
|
|
fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
|
|
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
|
|
break;
|
|
default:
|
|
printf("serdes not configured: unknown CPU part number: "
|
|
"%04x\n", spridr >> 16);
|
|
break;
|
|
}
|
|
#endif /* CONFIG_FSL_SERDES */
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2)
|
|
int board_eth_init(bd_t *bd)
|
|
{
|
|
struct tsec_info_struct tsec_info[2];
|
|
struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
|
|
u32 rcwh = in_be32(&im->reset.rcwh);
|
|
u32 tsec_mode;
|
|
int num = 0;
|
|
|
|
/* New line after Net: */
|
|
printf("\n");
|
|
|
|
#ifdef CONFIG_TSEC1
|
|
SET_STD_TSEC_INFO(tsec_info[num], 1);
|
|
|
|
printf(CONFIG_TSEC1_NAME ": ");
|
|
|
|
tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
|
|
if (tsec_mode == HRCWH_TSEC1M_IN_RGMII) {
|
|
printf("RGMII\n");
|
|
/* this is default, no need to fixup */
|
|
} else if (tsec_mode == HRCWH_TSEC1M_IN_SGMII) {
|
|
printf("SGMII\n");
|
|
tsec_info[num].phyaddr = TSEC1_PHY_ADDR_SGMII;
|
|
tsec_info[num].flags = TSEC_GIGABIT;
|
|
} else {
|
|
printf("unsupported PHY type\n");
|
|
}
|
|
num++;
|
|
#endif
|
|
#ifdef CONFIG_TSEC2
|
|
SET_STD_TSEC_INFO(tsec_info[num], 2);
|
|
|
|
printf(CONFIG_TSEC2_NAME ": ");
|
|
|
|
tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
|
|
if (tsec_mode == HRCWH_TSEC2M_IN_RGMII) {
|
|
printf("RGMII\n");
|
|
/* this is default, no need to fixup */
|
|
} else if (tsec_mode == HRCWH_TSEC2M_IN_SGMII) {
|
|
printf("SGMII\n");
|
|
tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
|
|
tsec_info[num].flags = TSEC_GIGABIT;
|
|
} else {
|
|
printf("unsupported PHY type\n");
|
|
}
|
|
num++;
|
|
#endif
|
|
return tsec_eth_init(bd, tsec_info, num);
|
|
}
|
|
|
|
static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
|
|
int phy_addr)
|
|
{
|
|
const char *phy_type = "sgmii";
|
|
const u32 *ph;
|
|
int off;
|
|
int err;
|
|
|
|
off = fdt_path_offset(blob, alias);
|
|
if (off < 0) {
|
|
printf("WARNING: could not find %s alias: %s.\n", alias,
|
|
fdt_strerror(off));
|
|
return;
|
|
}
|
|
|
|
err = fdt_setprop(blob, off, "phy-connection-type", phy_type,
|
|
strlen(phy_type) + 1);
|
|
if (err) {
|
|
printf("WARNING: could not set phy-connection-type for %s: "
|
|
"%s.\n", alias, fdt_strerror(err));
|
|
return;
|
|
}
|
|
|
|
ph = (u32 *)fdt_getprop(blob, off, "phy-handle", 0);
|
|
if (!ph) {
|
|
printf("WARNING: could not get phy-handle for %s.\n",
|
|
alias);
|
|
return;
|
|
}
|
|
|
|
off = fdt_node_offset_by_phandle(blob, *ph);
|
|
if (off < 0) {
|
|
printf("WARNING: could not get phy node for %s: %s\n", alias,
|
|
fdt_strerror(off));
|
|
return;
|
|
}
|
|
|
|
phy_addr = cpu_to_fdt32(phy_addr);
|
|
err = fdt_setprop(blob, off, "reg", &phy_addr, sizeof(phy_addr));
|
|
if (err < 0) {
|
|
printf("WARNING: could not set phy node's reg for %s: "
|
|
"%s.\n", alias, fdt_strerror(err));
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void ft_tsec_fixup(void *blob, bd_t *bd)
|
|
{
|
|
struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
|
|
u32 rcwh = in_be32(&im->reset.rcwh);
|
|
u32 tsec_mode;
|
|
|
|
#ifdef CONFIG_TSEC1
|
|
tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
|
|
if (tsec_mode == HRCWH_TSEC1M_IN_SGMII)
|
|
__ft_tsec_fixup(blob, bd, "ethernet0", TSEC1_PHY_ADDR_SGMII);
|
|
#endif
|
|
|
|
#ifdef CONFIG_TSEC2
|
|
tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
|
|
if (tsec_mode == HRCWH_TSEC2M_IN_SGMII)
|
|
__ft_tsec_fixup(blob, bd, "ethernet1", TSEC2_PHY_ADDR_SGMII);
|
|
#endif
|
|
}
|
|
#else
|
|
static inline void ft_tsec_fixup(void *blob, bd_t *bd) {}
|
|
#endif /* defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2) */
|
|
|
|
int board_early_init_r(void)
|
|
{
|
|
#ifdef CONFIG_PQ_MDS_PIB
|
|
pib_init();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
|
|
extern void ddr_enable_ecc(unsigned int dram_size);
|
|
#endif
|
|
int fixed_sdram(void);
|
|
|
|
phys_size_t initdram(int board_type)
|
|
{
|
|
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
|
|
u32 msize = 0;
|
|
|
|
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
|
|
return -1;
|
|
|
|
#if defined(CONFIG_SPD_EEPROM)
|
|
msize = spd_sdram();
|
|
#else
|
|
msize = fixed_sdram();
|
|
#endif
|
|
|
|
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
|
|
/* Initialize DDR ECC byte */
|
|
ddr_enable_ecc(msize * 1024 * 1024);
|
|
#endif
|
|
|
|
/* return total bus DDR size(bytes) */
|
|
return (msize * 1024 * 1024);
|
|
}
|
|
|
|
#if !defined(CONFIG_SPD_EEPROM)
|
|
/*************************************************************************
|
|
* fixed sdram init -- doesn't use serial presence detect.
|
|
************************************************************************/
|
|
int fixed_sdram(void)
|
|
{
|
|
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
|
|
u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
|
|
u32 msize_log2 = __ilog2(msize);
|
|
|
|
im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
|
|
im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
|
|
|
|
#if (CONFIG_SYS_DDR_SIZE != 512)
|
|
#warning Currenly any ddr size other than 512 is not supported
|
|
#endif
|
|
im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
|
|
udelay(50000);
|
|
|
|
im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL;
|
|
udelay(1000);
|
|
|
|
im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
|
|
im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
|
|
udelay(1000);
|
|
|
|
im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
|
|
im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
|
|
im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
|
|
im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
|
|
im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
|
|
im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
|
|
im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
|
|
im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
|
|
im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
|
|
__asm__ __volatile__("sync");
|
|
udelay(1000);
|
|
|
|
im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
|
|
udelay(2000);
|
|
return CONFIG_SYS_DDR_SIZE;
|
|
}
|
|
#endif /*!CONFIG_SYS_SPD_EEPROM */
|
|
|
|
int checkboard(void)
|
|
{
|
|
puts("Board: Freescale MPC837xEMDS\n");
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PCI
|
|
int board_pci_host_broken(void)
|
|
{
|
|
struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
|
|
const u32 rcw_mask = HRCWH_PCI1_ARBITER_ENABLE | HRCWH_PCI_HOST;
|
|
const char *pci_ea = getenv("pci_external_arbiter");
|
|
|
|
/* It's always OK in case of external arbiter. */
|
|
if (pci_ea && !strcmp(pci_ea, "yes"))
|
|
return 0;
|
|
|
|
if ((in_be32(&im->reset.rcwh) & rcw_mask) != rcw_mask)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ft_pci_fixup(void *blob, bd_t *bd)
|
|
{
|
|
const char *status = "broken (no arbiter)";
|
|
int off;
|
|
int err;
|
|
|
|
off = fdt_path_offset(blob, "pci0");
|
|
if (off < 0) {
|
|
printf("WARNING: could not find pci0 alias: %s.\n",
|
|
fdt_strerror(off));
|
|
return;
|
|
}
|
|
|
|
err = fdt_setprop(blob, off, "status", status, strlen(status) + 1);
|
|
if (err) {
|
|
printf("WARNING: could not set status for pci0: %s.\n",
|
|
fdt_strerror(err));
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP)
|
|
void ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
ft_cpu_setup(blob, bd);
|
|
ft_tsec_fixup(blob, bd);
|
|
fdt_fixup_dr_usb(blob, bd);
|
|
#ifdef CONFIG_PCI
|
|
ft_pci_setup(blob, bd);
|
|
if (board_pci_host_broken())
|
|
ft_pci_fixup(blob, bd);
|
|
ft_pcie_fixup(blob, bd);
|
|
#endif
|
|
}
|
|
#endif /* CONFIG_OF_BOARD_SETUP */
|
|
|