2c8aaf71b0
Add basic support for detecting and booting the BCM6362. Signed-off-by: Jonas Gorski <jogo@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/5009/ Acked-by: John Crispin <blogic@openwrt.org>
251 lines
7.2 KiB
C
251 lines
7.2 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com>
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/delay.h>
|
|
#include <bcm63xx_cpu.h>
|
|
#include <bcm63xx_io.h>
|
|
#include <bcm63xx_regs.h>
|
|
#include <bcm63xx_reset.h>
|
|
|
|
#define __GEN_RESET_BITS_TABLE(__cpu) \
|
|
[BCM63XX_RESET_SPI] = BCM## __cpu ##_RESET_SPI, \
|
|
[BCM63XX_RESET_ENET] = BCM## __cpu ##_RESET_ENET, \
|
|
[BCM63XX_RESET_USBH] = BCM## __cpu ##_RESET_USBH, \
|
|
[BCM63XX_RESET_USBD] = BCM## __cpu ##_RESET_USBD, \
|
|
[BCM63XX_RESET_DSL] = BCM## __cpu ##_RESET_DSL, \
|
|
[BCM63XX_RESET_SAR] = BCM## __cpu ##_RESET_SAR, \
|
|
[BCM63XX_RESET_EPHY] = BCM## __cpu ##_RESET_EPHY, \
|
|
[BCM63XX_RESET_ENETSW] = BCM## __cpu ##_RESET_ENETSW, \
|
|
[BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \
|
|
[BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \
|
|
[BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \
|
|
[BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT,
|
|
|
|
#define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK
|
|
#define BCM6328_RESET_ENET 0
|
|
#define BCM6328_RESET_USBH SOFTRESET_6328_USBH_MASK
|
|
#define BCM6328_RESET_USBD SOFTRESET_6328_USBS_MASK
|
|
#define BCM6328_RESET_DSL 0
|
|
#define BCM6328_RESET_SAR SOFTRESET_6328_SAR_MASK
|
|
#define BCM6328_RESET_EPHY SOFTRESET_6328_EPHY_MASK
|
|
#define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK
|
|
#define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK
|
|
#define BCM6328_RESET_MPI 0
|
|
#define BCM6328_RESET_PCIE \
|
|
(SOFTRESET_6328_PCIE_MASK | \
|
|
SOFTRESET_6328_PCIE_CORE_MASK | \
|
|
SOFTRESET_6328_PCIE_HARD_MASK)
|
|
#define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK
|
|
|
|
#define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK
|
|
#define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK
|
|
#define BCM6338_RESET_USBH SOFTRESET_6338_USBH_MASK
|
|
#define BCM6338_RESET_USBD SOFTRESET_6338_USBS_MASK
|
|
#define BCM6338_RESET_DSL SOFTRESET_6338_ADSL_MASK
|
|
#define BCM6338_RESET_SAR SOFTRESET_6338_SAR_MASK
|
|
#define BCM6338_RESET_EPHY 0
|
|
#define BCM6338_RESET_ENETSW 0
|
|
#define BCM6338_RESET_PCM 0
|
|
#define BCM6338_RESET_MPI 0
|
|
#define BCM6338_RESET_PCIE 0
|
|
#define BCM6338_RESET_PCIE_EXT 0
|
|
|
|
#define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK
|
|
#define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK
|
|
#define BCM6348_RESET_USBH SOFTRESET_6348_USBH_MASK
|
|
#define BCM6348_RESET_USBD SOFTRESET_6348_USBS_MASK
|
|
#define BCM6348_RESET_DSL SOFTRESET_6348_ADSL_MASK
|
|
#define BCM6348_RESET_SAR SOFTRESET_6348_SAR_MASK
|
|
#define BCM6348_RESET_EPHY 0
|
|
#define BCM6348_RESET_ENETSW 0
|
|
#define BCM6348_RESET_PCM 0
|
|
#define BCM6348_RESET_MPI 0
|
|
#define BCM6348_RESET_PCIE 0
|
|
#define BCM6348_RESET_PCIE_EXT 0
|
|
|
|
#define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK
|
|
#define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK
|
|
#define BCM6358_RESET_USBH SOFTRESET_6358_USBH_MASK
|
|
#define BCM6358_RESET_USBD 0
|
|
#define BCM6358_RESET_DSL SOFTRESET_6358_ADSL_MASK
|
|
#define BCM6358_RESET_SAR SOFTRESET_6358_SAR_MASK
|
|
#define BCM6358_RESET_EPHY SOFTRESET_6358_EPHY_MASK
|
|
#define BCM6358_RESET_ENETSW 0
|
|
#define BCM6358_RESET_PCM SOFTRESET_6358_PCM_MASK
|
|
#define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK
|
|
#define BCM6358_RESET_PCIE 0
|
|
#define BCM6358_RESET_PCIE_EXT 0
|
|
|
|
#define BCM6362_RESET_SPI SOFTRESET_6362_SPI_MASK
|
|
#define BCM6362_RESET_ENET 0
|
|
#define BCM6362_RESET_USBH SOFTRESET_6362_USBH_MASK
|
|
#define BCM6362_RESET_USBD SOFTRESET_6362_USBS_MASK
|
|
#define BCM6362_RESET_DSL 0
|
|
#define BCM6362_RESET_SAR SOFTRESET_6362_SAR_MASK
|
|
#define BCM6362_RESET_EPHY SOFTRESET_6362_EPHY_MASK
|
|
#define BCM6362_RESET_ENETSW SOFTRESET_6362_ENETSW_MASK
|
|
#define BCM6362_RESET_PCM SOFTRESET_6362_PCM_MASK
|
|
#define BCM6362_RESET_MPI 0
|
|
#define BCM6362_RESET_PCIE (SOFTRESET_6362_PCIE_MASK | \
|
|
SOFTRESET_6362_PCIE_CORE_MASK)
|
|
#define BCM6362_RESET_PCIE_EXT SOFTRESET_6362_PCIE_EXT_MASK
|
|
|
|
#define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK
|
|
#define BCM6368_RESET_ENET 0
|
|
#define BCM6368_RESET_USBH SOFTRESET_6368_USBH_MASK
|
|
#define BCM6368_RESET_USBD SOFTRESET_6368_USBS_MASK
|
|
#define BCM6368_RESET_DSL 0
|
|
#define BCM6368_RESET_SAR SOFTRESET_6368_SAR_MASK
|
|
#define BCM6368_RESET_EPHY SOFTRESET_6368_EPHY_MASK
|
|
#define BCM6368_RESET_ENETSW 0
|
|
#define BCM6368_RESET_PCM SOFTRESET_6368_PCM_MASK
|
|
#define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK
|
|
#define BCM6368_RESET_PCIE 0
|
|
#define BCM6368_RESET_PCIE_EXT 0
|
|
|
|
#ifdef BCMCPU_RUNTIME_DETECT
|
|
|
|
/*
|
|
* core reset bits
|
|
*/
|
|
static const u32 bcm6328_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6328)
|
|
};
|
|
|
|
static const u32 bcm6338_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6338)
|
|
};
|
|
|
|
static const u32 bcm6348_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6348)
|
|
};
|
|
|
|
static const u32 bcm6358_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6358)
|
|
};
|
|
|
|
static const u32 bcm6362_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6362)
|
|
};
|
|
|
|
static const u32 bcm6368_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6368)
|
|
};
|
|
|
|
const u32 *bcm63xx_reset_bits;
|
|
static int reset_reg;
|
|
|
|
static int __init bcm63xx_reset_bits_init(void)
|
|
{
|
|
if (BCMCPU_IS_6328()) {
|
|
reset_reg = PERF_SOFTRESET_6328_REG;
|
|
bcm63xx_reset_bits = bcm6328_reset_bits;
|
|
} else if (BCMCPU_IS_6338()) {
|
|
reset_reg = PERF_SOFTRESET_REG;
|
|
bcm63xx_reset_bits = bcm6338_reset_bits;
|
|
} else if (BCMCPU_IS_6348()) {
|
|
reset_reg = PERF_SOFTRESET_REG;
|
|
bcm63xx_reset_bits = bcm6348_reset_bits;
|
|
} else if (BCMCPU_IS_6358()) {
|
|
reset_reg = PERF_SOFTRESET_6358_REG;
|
|
bcm63xx_reset_bits = bcm6358_reset_bits;
|
|
} else if (BCMCPU_IS_6362()) {
|
|
reset_reg = PERF_SOFTRESET_6362_REG;
|
|
bcm63xx_reset_bits = bcm6362_reset_bits;
|
|
} else if (BCMCPU_IS_6368()) {
|
|
reset_reg = PERF_SOFTRESET_6368_REG;
|
|
bcm63xx_reset_bits = bcm6368_reset_bits;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
|
|
#ifdef CONFIG_BCM63XX_CPU_6328
|
|
static const u32 bcm63xx_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6328)
|
|
};
|
|
#define reset_reg PERF_SOFTRESET_6328_REG
|
|
#endif
|
|
|
|
#ifdef CONFIG_BCM63XX_CPU_6338
|
|
static const u32 bcm63xx_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6338)
|
|
};
|
|
#define reset_reg PERF_SOFTRESET_REG
|
|
#endif
|
|
|
|
#ifdef CONFIG_BCM63XX_CPU_6345
|
|
static const u32 bcm63xx_reset_bits[] = { };
|
|
#define reset_reg 0
|
|
#endif
|
|
|
|
#ifdef CONFIG_BCM63XX_CPU_6348
|
|
static const u32 bcm63xx_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6348)
|
|
};
|
|
#define reset_reg PERF_SOFTRESET_REG
|
|
#endif
|
|
|
|
#ifdef CONFIG_BCM63XX_CPU_6358
|
|
static const u32 bcm63xx_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6358)
|
|
};
|
|
#define reset_reg PERF_SOFTRESET_6358_REG
|
|
#endif
|
|
|
|
#ifdef CONFIG_BCM63XX_CPU_6362
|
|
static const u32 bcm63xx_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6362)
|
|
};
|
|
#define reset_reg PERF_SOFTRESET_6362_REG
|
|
#endif
|
|
|
|
#ifdef CONFIG_BCM63XX_CPU_6368
|
|
static const u32 bcm63xx_reset_bits[] = {
|
|
__GEN_RESET_BITS_TABLE(6368)
|
|
};
|
|
#define reset_reg PERF_SOFTRESET_6368_REG
|
|
#endif
|
|
|
|
static int __init bcm63xx_reset_bits_init(void) { return 0; }
|
|
#endif
|
|
|
|
static DEFINE_SPINLOCK(reset_mutex);
|
|
|
|
static void __bcm63xx_core_set_reset(u32 mask, int enable)
|
|
{
|
|
unsigned long flags;
|
|
u32 val;
|
|
|
|
if (!mask)
|
|
return;
|
|
|
|
spin_lock_irqsave(&reset_mutex, flags);
|
|
val = bcm_perf_readl(reset_reg);
|
|
|
|
if (enable)
|
|
val &= ~mask;
|
|
else
|
|
val |= mask;
|
|
|
|
bcm_perf_writel(val, reset_reg);
|
|
spin_unlock_irqrestore(&reset_mutex, flags);
|
|
}
|
|
|
|
void bcm63xx_core_set_reset(enum bcm63xx_core_reset core, int reset)
|
|
{
|
|
__bcm63xx_core_set_reset(bcm63xx_reset_bits[core], reset);
|
|
}
|
|
EXPORT_SYMBOL(bcm63xx_core_set_reset);
|
|
|
|
postcore_initcall(bcm63xx_reset_bits_init);
|