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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2007 Freescale Semiconductor, Inc.
* Kevin Lam <kevin.lam@freescale.com>
* Joe D'Abbraccio <joe.d'abbraccio@freescale.com>
*/
#include <common.h>
#include <env.h>
#include <hwconfig.h>
#include <i2c.h>
#include <init.h>
#include <asm/bitops.h>
#include <asm/io.h>
#include <asm/fsl_mpc83xx_serdes.h>
#include <fdt_support.h>
#include <spd_sdram.h>
#include <vsc7385.h>
#include <fsl_esdhc.h>
#include <linux/delay.h>
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_SYS_DRAM_TEST)
int
testdram(void)
{
uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
uint *p;
printf("Testing DRAM from 0x%08x to 0x%08x\n",
CONFIG_SYS_MEMTEST_START,
CONFIG_SYS_MEMTEST_END);
printf("DRAM test phase 1:\n");
for (p = pstart; p < pend; p++)
*p = 0xaaaaaaaa;
for (p = pstart; p < pend; p++) {
if (*p != 0xaaaaaaaa) {
printf("DRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("DRAM test phase 2:\n");
for (p = pstart; p < pend; p++)
*p = 0x55555555;
for (p = pstart; p < pend; p++) {
if (*p != 0x55555555) {
printf("DRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("DRAM test passed.\n");
return 0;
}
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
void ddr_enable_ecc(unsigned int dram_size);
#endif
int fixed_sdram(void);
int dram_init(void)
{
immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
u32 msize = 0;
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
return -ENXIO;
#if defined(CONFIG_SPD_EEPROM)
msize = spd_sdram();
#else
msize = fixed_sdram();
#endif
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/* Initialize DDR ECC byte */
ddr_enable_ecc(msize * 1024 * 1024);
#endif
/* return total bus DDR size(bytes) */
gd->ram_size = msize * 1024 * 1024;
return 0;
}
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
int fixed_sdram(void)
{
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_SDRAM_BASE & 0xfffff000;
im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
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;
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 MPC837xERDB\n");
return 0;
}
int board_early_init_f(void)
{
#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);
fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
break;
case SPR_8378:
fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
FSL_SERDES_CLK_100, 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;
}
#ifdef CONFIG_FSL_ESDHC
int board_mmc_init(struct bd_info *bd)
{
struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
char buffer[HWCONFIG_BUFFER_SIZE] = {0};
int esdhc_hwconfig_enabled = 0;
if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
esdhc_hwconfig_enabled = hwconfig_f("esdhc", buffer);
if (esdhc_hwconfig_enabled == 0)
return 0;
clrsetbits_be32(&im->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
clrsetbits_be32(&im->sysconf.sicrh, SICRH_SPI, SICRH_SPI_SD);
return fsl_esdhc_mmc_init(bd);
}
#endif
/*
* Miscellaneous late-boot configurations
*
* If a VSC7385 microcode image is present, then upload it.
*/
int misc_init_r(void)
{
int rc = 0;
#ifdef CONFIG_VSC7385_IMAGE
if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
CONFIG_VSC7385_IMAGE_SIZE)) {
puts("Failure uploading VSC7385 microcode.\n");
rc = 1;
}
#endif
return rc;
}
#if defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, struct bd_info *bd)
{
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
ft_cpu_setup(blob, bd);
fsl_fdt_fixup_dr_usb(blob, bd);
fdt_fixup_esdhc(blob, bd);
return 0;
}
#endif /* CONFIG_OF_BOARD_SETUP */
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