mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 09:48:16 +00:00
1d3d0f1f1c
This patch add some common code for QCA/Atheros ath79 SOCs such as DDR tuning, chip reset and CPU detection. Signed-off-by: Wills Wang <wills.wang@live.com>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/addrspace.h>
|
|
#include <asm/types.h>
|
|
#include <mach/ath79.h>
|
|
#include <mach/ar71xx_regs.h>
|
|
|
|
void _machine_restart(void)
|
|
{
|
|
void __iomem *base;
|
|
u32 reg = 0;
|
|
|
|
base = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE,
|
|
MAP_NOCACHE);
|
|
if (soc_is_ar71xx())
|
|
reg = AR71XX_RESET_REG_RESET_MODULE;
|
|
else if (soc_is_ar724x())
|
|
reg = AR724X_RESET_REG_RESET_MODULE;
|
|
else if (soc_is_ar913x())
|
|
reg = AR913X_RESET_REG_RESET_MODULE;
|
|
else if (soc_is_ar933x())
|
|
reg = AR933X_RESET_REG_RESET_MODULE;
|
|
else if (soc_is_ar934x())
|
|
reg = AR934X_RESET_REG_RESET_MODULE;
|
|
else if (soc_is_qca953x())
|
|
reg = QCA953X_RESET_REG_RESET_MODULE;
|
|
else if (soc_is_qca955x())
|
|
reg = QCA955X_RESET_REG_RESET_MODULE;
|
|
else if (soc_is_qca956x())
|
|
reg = QCA956X_RESET_REG_RESET_MODULE;
|
|
else
|
|
puts("Reset register not defined for this SOC\n");
|
|
|
|
if (reg)
|
|
setbits_be32(base + reg, AR71XX_RESET_FULL_CHIP);
|
|
|
|
while (1)
|
|
/* NOP */;
|
|
}
|
|
|
|
u32 get_bootstrap(void)
|
|
{
|
|
const void __iomem *base;
|
|
u32 reg = 0;
|
|
|
|
base = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE,
|
|
MAP_NOCACHE);
|
|
if (soc_is_ar933x())
|
|
reg = AR933X_RESET_REG_BOOTSTRAP;
|
|
else if (soc_is_ar934x())
|
|
reg = AR934X_RESET_REG_BOOTSTRAP;
|
|
else if (soc_is_qca953x())
|
|
reg = QCA953X_RESET_REG_BOOTSTRAP;
|
|
else if (soc_is_qca955x())
|
|
reg = QCA955X_RESET_REG_BOOTSTRAP;
|
|
else if (soc_is_qca956x())
|
|
reg = QCA956X_RESET_REG_BOOTSTRAP;
|
|
else
|
|
puts("Bootstrap register not defined for this SOC\n");
|
|
|
|
if (reg)
|
|
return readl(base + reg);
|
|
|
|
return 0;
|
|
}
|