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.
115 lines
2.8 KiB
115 lines
2.8 KiB
/*
|
|
* Copyright 2010-2012 Freescale Semiconductor, Inc.
|
|
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <spi.h>
|
|
#include <asm/io.h>
|
|
#include <asm/immap.h>
|
|
#include <mmc.h>
|
|
#include <fsl_esdhc.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int checkboard(void)
|
|
{
|
|
/*
|
|
* need to to:
|
|
* Check serial flash size. if 2mb evb, else 8mb demo
|
|
*/
|
|
puts("Board: ");
|
|
puts("Freescale MCF54418 Tower System\n");
|
|
return 0;
|
|
};
|
|
|
|
int dram_init(void)
|
|
{
|
|
u32 dramsize;
|
|
|
|
#if defined(CONFIG_SERIAL_BOOT)
|
|
/*
|
|
* Serial Boot: The dram is already initialized in start.S
|
|
* only require to return DRAM size
|
|
*/
|
|
dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
|
|
#else
|
|
sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM);
|
|
ccm_t *ccm = (ccm_t *)MMAP_CCM;
|
|
gpio_t *gpio = (gpio_t *) MMAP_GPIO;
|
|
pm_t *pm = (pm_t *) MMAP_PM;
|
|
u32 i;
|
|
|
|
dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
|
|
|
|
for (i = 0x13; i < 0x20; i++) {
|
|
if (dramsize == (1 << i))
|
|
break;
|
|
}
|
|
|
|
out_8(&pm->pmcr0, 0x2E);
|
|
out_8(&gpio->mscr_sdram, 1);
|
|
|
|
clrbits_be16(&ccm->misccr2, CCM_MISCCR2_FBHALF);
|
|
setbits_be16(&ccm->misccr2, CCM_MISCCR2_DDR2CLK);
|
|
|
|
out_be32(&sdram->rcrcr, 0x40000000);
|
|
out_be32(&sdram->padcr, 0x01030203);
|
|
|
|
out_be32(&sdram->cr00, 0x01010101);
|
|
out_be32(&sdram->cr01, 0x00000101);
|
|
out_be32(&sdram->cr02, 0x01010100);
|
|
out_be32(&sdram->cr03, 0x01010000);
|
|
out_be32(&sdram->cr04, 0x00010101);
|
|
out_be32(&sdram->cr06, 0x00010100);
|
|
out_be32(&sdram->cr07, 0x00000001);
|
|
out_be32(&sdram->cr08, 0x01000001);
|
|
out_be32(&sdram->cr09, 0x00000100);
|
|
out_be32(&sdram->cr10, 0x00010001);
|
|
out_be32(&sdram->cr11, 0x00000200);
|
|
out_be32(&sdram->cr12, 0x01000002);
|
|
out_be32(&sdram->cr13, 0x00000000);
|
|
out_be32(&sdram->cr14, 0x00000100);
|
|
out_be32(&sdram->cr15, 0x02000100);
|
|
out_be32(&sdram->cr16, 0x02000407);
|
|
out_be32(&sdram->cr17, 0x02030007);
|
|
out_be32(&sdram->cr18, 0x02000100);
|
|
out_be32(&sdram->cr19, 0x0A030203);
|
|
out_be32(&sdram->cr20, 0x00020708);
|
|
out_be32(&sdram->cr21, 0x00050008);
|
|
out_be32(&sdram->cr22, 0x04030002);
|
|
out_be32(&sdram->cr23, 0x00000004);
|
|
out_be32(&sdram->cr24, 0x020A0000);
|
|
out_be32(&sdram->cr25, 0x0C00000E);
|
|
out_be32(&sdram->cr26, 0x00002004);
|
|
out_be32(&sdram->cr28, 0x00100010);
|
|
out_be32(&sdram->cr29, 0x00100010);
|
|
out_be32(&sdram->cr31, 0x07990000);
|
|
out_be32(&sdram->cr40, 0x00000000);
|
|
out_be32(&sdram->cr41, 0x00C80064);
|
|
out_be32(&sdram->cr42, 0x44520002);
|
|
out_be32(&sdram->cr43, 0x00C80023);
|
|
out_be32(&sdram->cr45, 0x0000C350);
|
|
out_be32(&sdram->cr56, 0x04000000);
|
|
out_be32(&sdram->cr57, 0x03000304);
|
|
out_be32(&sdram->cr58, 0x40040000);
|
|
out_be32(&sdram->cr59, 0xC0004004);
|
|
out_be32(&sdram->cr60, 0x0642C000);
|
|
out_be32(&sdram->cr61, 0x00000642);
|
|
asm("tpf");
|
|
|
|
out_be32(&sdram->cr09, 0x01000100);
|
|
|
|
udelay(100);
|
|
#endif
|
|
gd->ram_size = dramsize;
|
|
|
|
return 0;
|
|
};
|
|
|
|
int testdram(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|