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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
#include <common.h>
#include <driver.h>
#include <environment.h>
#include <fs.h>
#include <init.h>
#include <asm/armlinux.h>
#include <io.h>
#include <malloc.h>
#include <asm/mach-types.h>
#include <mach/ep93xx/ep93xx-regs.h>
#include <platform_data/eth-ep93xx.h>
#include "edb93xx.h"
#define DEVCFG_U1EN (1 << 18)
static struct ep93xx_eth_platform_data ep93xx_eth_info = {
.xcv_type = PHY_INTERFACE_MODE_MII,
.phy_addr = 1,
};
static int ep93xx_mem_init(void)
{
arm_add_mem_device("ram0", CONFIG_EP93XX_SDRAM_BANK0_BASE,
CONFIG_EP93XX_SDRAM_BANK0_SIZE);
#if (CONFIG_EP93XX_SDRAM_NUM_BANKS >= 2)
arm_add_mem_device("ram1", CONFIG_EP93XX_SDRAM_BANK1_BASE,
CONFIG_EP93XX_SDRAM_BANK1_SIZE);
#endif
#if (CONFIG_EP93XX_SDRAM_NUM_BANKS >= 3)
arm_add_mem_device("ram2", CONFIG_EP93XX_SDRAM_BANK2_BASE,
CONFIG_EP93XX_SDRAM_BANK2_SIZE);
#endif
#if (CONFIG_EP93XX_SDRAM_NUM_BANKS == 4)
arm_add_mem_device("ram3", CONFIG_EP93XX_SDRAM_BANK3_BASE,
CONFIG_EP93XX_SDRAM_BANK3_SIZE);
#endif
return 0;
}
mem_initcall(ep93xx_mem_init);
static int ep93xx_devices_init(void)
{
add_cfi_flash_device(DEVICE_ID_DYNAMIC, 0x60000000, EDB93XX_CFI_FLASH_SIZE, 0);
/*
* Create partitions that should be
* not touched by any regular user
*/
devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self0");
devfs_add_partition("nor0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env0");
protect_file("/dev/env0", 1);
/*
* Up to 32MiB NOR type flash, connected to
* CS line 6, data width is 16 bit
*/
add_generic_device("ep93xx_eth", DEVICE_ID_DYNAMIC, NULL, 0, 0, IORESOURCE_MEM,
&ep93xx_eth_info);
armlinux_set_architecture(MACH_TYPE);
return 0;
}
device_initcall(ep93xx_devices_init);
static int edb93xx_console_init(void)
{
struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
char *shortname, *board;
/*
* set UARTBAUD bit to drive UARTs with 14.7456MHz instead of
* 14.7456/2 MHz
*/
uint32_t value = readl(&syscon->pwrcnt);
value |= SYSCON_PWRCNT_UART_BAUD;
writel(value, &syscon->pwrcnt);
/* Enable UART1 */
value = readl(&syscon->devicecfg);
value |= DEVCFG_U1EN;
writel(0xAA, &syscon->sysswlock);
writel(value, &syscon->devicecfg);
if (IS_ENABLED(CONFIG_MACH_EDB9301))
shortname = "EDB9301";
else if (IS_ENABLED(CONFIG_MACH_EDB9302))
shortname = "EDB9302";
else if (IS_ENABLED(CONFIG_MACH_EDB9302))
shortname = "EDB9302A";
else if (IS_ENABLED(CONFIG_MACH_EDB9307))
shortname = "EDB9307";
else if (IS_ENABLED(CONFIG_MACH_EDB9307A))
shortname = "EDB9307A";
else if (IS_ENABLED(CONFIG_MACH_EDB9312))
shortname = "EDB9312";
else if (IS_ENABLED(CONFIG_MACH_EDB9315))
shortname = "EDB9315";
else if (IS_ENABLED(CONFIG_MACH_EDB9315A))
shortname = "EDB9315A";
else
shortname = "unknown";
board = basprintf("Cirrus Logic %s", shortname);
barebox_set_model(board);
free(board);
barebox_set_hostname(shortname);
add_generic_device("pl010_serial", DEVICE_ID_DYNAMIC, NULL, UART1_BASE, 4096,
IORESOURCE_MEM, NULL);
return 0;
}
console_initcall(edb93xx_console_init);
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