uboot/u-boot-stm32mp-2020.01/arch/arm/mach-keystone/msmc.c

94 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* MSMC controller utilities
*
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
*/
#include <common.h>
#include <asm/arch/msmc.h>
struct mpax {
u32 mpaxl;
u32 mpaxh;
};
struct msms_regs {
u32 pid;
u32 _res_04;
u32 smcerrar;
u32 smcerrxr;
u32 smedcc;
u32 smcea;
u32 smsecc;
u32 smpfar;
u32 smpfxr;
u32 smpfr;
u32 smpfcr;
u32 _res_2c;
u32 sbndc[8];
u32 sbndm;
u32 sbnde;
u32 _res_58;
u32 cfglck;
u32 cfgulck;
u32 cfglckstat;
u32 sms_mpax_lck;
u32 sms_mpax_ulck;
u32 sms_mpax_lckstat;
u32 ses_mpax_lck;
u32 ses_mpax_ulck;
u32 ses_mpax_lckstat;
u32 smestat;
u32 smirstat;
u32 smirc;
u32 smiestat;
u32 smiec;
u32 _res_94_c0[12];
u32 smncerrar;
u32 smncerrxr;
u32 smncea;
u32 _res_d0_1fc[76];
struct mpax sms[16][8];
struct mpax ses[16][8];
};
void msmc_share_all_segments(int priv_id)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
int j;
for (j = 0; j < 8; j++) {
msmc->sms[priv_id][j].mpaxh &= 0xffffff7ful;
msmc->ses[priv_id][j].mpaxh &= 0xffffff7ful;
}
}
void msmc_map_ses_segment(int priv_id, int ses_pair,
u32 src_pfn, u32 dst_pfn, enum mpax_seg_size size)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
msmc->ses[priv_id][ses_pair].mpaxh = src_pfn << 12 |
(size & 0x1f) | 0x80;
msmc->ses[priv_id][ses_pair].mpaxl = dst_pfn << 8 | 0x3f;
}
void msmc_get_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
*mpax++ = msmc->ses[priv_id][ses_pair].mpaxl;
*mpax = msmc->ses[priv_id][ses_pair].mpaxh;
}
void msmc_set_ses_mpax(int priv_id, int ses_pair, u32 *mpax)
{
struct msms_regs *msmc = (struct msms_regs *)KS2_MSMC_CTRL_BASE;
msmc->ses[priv_id][ses_pair].mpaxl = *mpax++;
msmc->ses[priv_id][ses_pair].mpaxh = *mpax;
}