mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 01:17:39 +00:00
fdf6bbb260
Pull this LPGPR unlock into common code, since it is used in multiple systems already. Signed-off-by: Marek Vasut <marex@denx.de>
144 lines
2.7 KiB
C
144 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2022 Marek Vasut <marex@denx.de>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/io.h>
|
|
#include <dm.h>
|
|
#include <env.h>
|
|
#include <env_internal.h>
|
|
#include <i2c_eeprom.h>
|
|
#include <malloc.h>
|
|
#include <net.h>
|
|
#include <miiphy.h>
|
|
|
|
#include "lpddr4_timing.h"
|
|
#include "../common/dh_common.h"
|
|
#include "../common/dh_imx.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int mach_cpu_init(void)
|
|
{
|
|
icache_enable();
|
|
return 0;
|
|
}
|
|
|
|
int board_phys_sdram_size(phys_size_t *size)
|
|
{
|
|
const u16 memsz[] = { 512, 1024, 1536, 2048, 3072, 4096, 6144, 8192 };
|
|
u8 memcfg = dh_get_memcfg();
|
|
|
|
*size = (u64)memsz[memcfg] << 20ULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void setup_eqos(void)
|
|
{
|
|
struct iomuxc_gpr_base_regs *gpr =
|
|
(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
|
|
|
|
/* Set INTF as RGMII, enable RGMII TXC clock. */
|
|
clrsetbits_le32(&gpr->gpr[1],
|
|
IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK, BIT(16));
|
|
setbits_le32(&gpr->gpr[1], BIT(19) | BIT(21));
|
|
|
|
set_clk_eqos(ENET_125MHZ);
|
|
}
|
|
|
|
static void setup_fec(void)
|
|
{
|
|
struct iomuxc_gpr_base_regs *gpr =
|
|
(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
|
|
|
|
/* Enable RGMII TX clk output. */
|
|
setbits_le32(&gpr->gpr[1], BIT(22));
|
|
|
|
set_clk_enet(ENET_125MHZ);
|
|
}
|
|
|
|
static int dh_imx8_setup_ethaddr(void)
|
|
{
|
|
unsigned char enetaddr[6];
|
|
|
|
if (dh_mac_is_in_env("ethaddr"))
|
|
return 0;
|
|
|
|
if (!dh_imx_get_mac_from_fuse(enetaddr))
|
|
goto out;
|
|
|
|
if (!dh_get_mac_from_eeprom(enetaddr, "eeprom0"))
|
|
goto out;
|
|
|
|
return -ENXIO;
|
|
|
|
out:
|
|
return eth_env_set_enetaddr("ethaddr", enetaddr);
|
|
}
|
|
|
|
static int dh_imx8_setup_eth1addr(void)
|
|
{
|
|
unsigned char enetaddr[6];
|
|
|
|
if (dh_mac_is_in_env("eth1addr"))
|
|
return 0;
|
|
|
|
if (!dh_imx_get_mac_from_fuse(enetaddr))
|
|
goto increment_out;
|
|
|
|
if (!dh_get_mac_from_eeprom(enetaddr, "eeprom1"))
|
|
goto out;
|
|
|
|
/*
|
|
* Populate second ethernet MAC from first ethernet EEPROM with MAC
|
|
* address LSByte incremented by 1. This is only used on SoMs without
|
|
* second ethernet EEPROM, i.e. early prototypes.
|
|
*/
|
|
if (!dh_get_mac_from_eeprom(enetaddr, "eeprom0"))
|
|
goto increment_out;
|
|
|
|
return -ENXIO;
|
|
|
|
increment_out:
|
|
enetaddr[5]++;
|
|
|
|
out:
|
|
return eth_env_set_enetaddr("eth1addr", enetaddr);
|
|
}
|
|
|
|
int dh_setup_mac_address(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = dh_imx8_setup_ethaddr();
|
|
if (ret)
|
|
printf("%s: Unable to setup ethaddr! ret = %d\n", __func__, ret);
|
|
|
|
ret = dh_imx8_setup_eth1addr();
|
|
if (ret)
|
|
printf("%s: Unable to setup eth1addr! ret = %d\n", __func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
setup_eqos();
|
|
setup_fec();
|
|
return 0;
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
dh_setup_mac_address();
|
|
return 0;
|
|
}
|
|
|
|
enum env_location env_get_location(enum env_operation op, int prio)
|
|
{
|
|
return prio ? ENVL_UNKNOWN : ENVL_SPI_FLASH;
|
|
}
|