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
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u-boot/board/trizepsiv/conxs.c

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/*
* (C) Copyright 2007
* Stefano Babic, DENX Gmbh, sbabic@denx.de
*
* (C) Copyright 2004
* Robert Whaley, Applied Data Systems, Inc. rwhaley@applieddata.net
*
* (C) Copyright 2002
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa.h>
#include <asm/arch/regs-mmc.h>
#include <netdev.h>
#include <asm/io.h>
#include <usb.h>
DECLARE_GLOBAL_DATA_PTR;
#define RH_A_PSM (1 << 8) /* power switching mode */
#define RH_A_NPS (1 << 9) /* no power switching */
extern struct serial_device serial_ffuart_device;
extern struct serial_device serial_btuart_device;
extern struct serial_device serial_stuart_device;
#if CONFIG_MK_POLARIS
#define BOOT_CONSOLE "serial_stuart"
#else
#define BOOT_CONSOLE "serial_ffuart"
#endif
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
int board_usb_init(int index, enum usb_init_type init)
{
writel((readl(UHCHR) | UHCHR_PCPL | UHCHR_PSPL) &
~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE),
UHCHR);
writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
while (readl(UHCHR) & UHCHR_FSBIR)
;
writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
/* Clear any OTG Pin Hold */
if (readl(PSSR) & PSSR_OTGPH)
writel(readl(PSSR) | PSSR_OTGPH, PSSR);
writel(readl(UHCRHDA) & ~(RH_A_NPS), UHCRHDA);
writel(readl(UHCRHDA) | RH_A_PSM, UHCRHDA);
/* Set port power control mask bits, only 3 ports. */
writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
return 0;
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
return 0;
}
void usb_board_stop(void)
{
writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
udelay(11);
writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
writel(readl(UHCCOMS) | 1, UHCCOMS);
udelay(10);
writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
return;
}
int board_init (void)
{
/* We have RAM, disable cache */
dcache_disable();
icache_disable();
/* arch number of ConXS Board */
gd->bd->bi_arch_number = 776;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0xa000003c;
return 0;
}
int board_late_init(void)
{
char *console=getenv("boot_console");
if ((console == NULL) || (strcmp(console,"serial_btuart") &&
strcmp(console,"serial_stuart") &&
strcmp(console,"serial_ffuart"))) {
console = BOOT_CONSOLE;
}
setenv("stdout",console);
setenv("stdin", console);
setenv("stderr",console);
return 0;
}
int dram_init(void)
{
pxa2xx_dram_init();
gd->ram_size = PHYS_SDRAM_1_SIZE;
return 0;
}
void dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
}
#ifdef CONFIG_DRIVER_DM9000
int board_eth_init(bd_t *bis)
{
return dm9000_initialize(bis);
}
#endif
#ifdef CONFIG_CMD_MMC
int board_mmc_init(bd_t *bis)
{
pxa_mmc_register(0);
return 0;
}
#endif