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/*
* Copyright (C) 2013 Suriyan Ramasami <suriyan.r@gmail.com>
*
* Based on dockstar.c originally written by
* Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
*
* Based on sheevaplug.c originally written by
* Prafulla Wadaskar <prafulla@marvell.com>
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <miiphy.h>
#include <asm/arch/kirkwood.h>
#include <asm/arch/mpp.h>
#include <asm/arch/cpu.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
/* Multi-Purpose Pins Functionality configuration */
static const u32 kwmpp_config[] = {
MPP0_NF_IO2,
MPP1_NF_IO3,
MPP2_NF_IO4,
MPP3_NF_IO5,
MPP4_NF_IO6,
MPP5_NF_IO7,
MPP6_SYSRST_OUTn,
MPP7_GPO,
MPP8_UART0_RTS,
MPP9_UART0_CTS,
MPP10_UART0_TXD,
MPP11_UART0_RXD,
MPP12_SD_CLK,
MPP13_SD_CMD,
MPP14_SD_D0,
MPP15_SD_D1,
MPP16_SD_D2,
MPP17_SD_D3,
MPP18_NF_IO0,
MPP19_NF_IO1,
MPP20_GPIO,
MPP21_GPIO,
MPP22_GPIO,
MPP23_GPIO,
MPP24_GPIO,
MPP25_GPIO,
MPP26_GPIO,
MPP27_GPIO,
MPP28_GPIO,
MPP29_TSMP9,
MPP30_GPIO,
MPP31_GPIO,
MPP32_GPIO,
MPP33_GPIO,
MPP34_GPIO,
MPP35_GPIO,
MPP36_GPIO,
MPP37_GPIO,
MPP38_GPIO,
MPP39_GPIO,
MPP40_GPIO,
MPP41_GPIO,
MPP42_GPIO,
MPP43_GPIO,
MPP44_GPIO,
MPP45_GPIO,
MPP46_GPIO,
MPP47_GPIO,
MPP48_GPIO,
MPP49_GPIO,
0
};
/*
* default gpio configuration
* There are maximum 64 gpios controlled through 2 sets of registers
* the below configuration configures mainly initial LED status
*/
kw_config_gpio(GOFLEXHOME_OE_VAL_LOW,
GOFLEXHOME_OE_VAL_HIGH,
GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH);
kirkwood_mpp_conf(kwmpp_config, NULL);
return 0;
}
int board_init(void)
{
/*
* arch number of board
*/
gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME;
/* address of boot parameters */
gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
return 0;
}
#ifdef CONFIG_RESET_PHY_R
/* Configure and enable MV88E1116 PHY */
void reset_phy(void)
{
u16 reg;
u16 devadr;
char *name = "egiga0";
if (miiphy_set_current_dev(name))
return;
/* command to read PHY dev address */
if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
printf("Err..%s could not read PHY dev address\n",
__func__);
return;
}
/*
* Enable RGMII delay on Tx and Rx for CPU port
* Ref: sec 4.7.2 of chip datasheet
*/
miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
/* reset the phy */
miiphy_reset(name, devadr);
printf("88E1116 Initialized on %s\n", name);
}
#endif /* CONFIG_RESET_PHY_R */
#define GREEN_LED (1 << 14)
#define ORANGE_LED (1 << 15)
#define BOTH_LEDS (GREEN_LED | ORANGE_LED)
#define NEITHER_LED 0
static void set_leds(u32 leds, u32 blinking)
{
struct kwgpio_registers *r;
u32 oe;
u32 bl;
r = (struct kwgpio_registers *)KW_GPIO1_BASE;
oe = readl(&r->oe) | BOTH_LEDS;
writel(oe & ~leds, &r->oe); /* active low */
bl = readl(&r->blink_en) & ~BOTH_LEDS;
writel(bl | blinking, &r->blink_en);
}
void show_boot_progress(int val)
{
switch (val) {
case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
set_leds(BOTH_LEDS, NEITHER_LED);
break;
case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
set_leds(GREEN_LED, GREEN_LED);
break;
default:
if (val < 0) /* error */
set_leds(ORANGE_LED, ORANGE_LED);
break;
}
}
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