Whitebox
/
u-boot
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

arm: imx: imx-common: init: move arch init common setup

Browse Source 
Move common imx6 arch init setup, init.c can be extended
and reused to support imx7 SoC keeping init arch common
code.

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
master
Adrian Alonso 9 years ago committed by Stefano Babic
parent ab09e72866
commit 50a082a88c
5 changed files with 108 additions and 88 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 87
      arch/arm/cpu/armv7/mx6/soc.c
  2. 2
      arch/arm/imx-common/Makefile
  3. 100
      arch/arm/imx-common/init.c
  4. 4
      arch/arm/include/asm/arch-mx6/imx-regs.h
  5. 3
      arch/arm/include/asm/imx-common/sys_proto.h

87
arch/arm/cpu/armv7/mx6/soc.c
Unescape View File

@ -183,65 +183,6 @@ u32 __weak get_board_rev(void)
}
#endif
void init_aips(void)
{
struct aipstz_regs *aips1, *aips2;
#ifdef CONFIG_MX6SX
struct aipstz_regs *aips3;
#endif
aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR;
aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR;
#ifdef CONFIG_MX6SX
aips3 = (struct aipstz_regs *)AIPS3_CONFIG_BASE_ADDR;
#endif
/*
* Set all MPROTx to be non-bufferable, trusted for R/W,
* not forced to user-mode.
*/
writel(0x77777777, &aips1->mprot0);
writel(0x77777777, &aips1->mprot1);
writel(0x77777777, &aips2->mprot0);
writel(0x77777777, &aips2->mprot1);
/*
* Set all OPACRx to be non-bufferable, not require
* supervisor privilege level for access,allow for
* write access and untrusted master access.
*/
writel(0x00000000, &aips1->opacr0);
writel(0x00000000, &aips1->opacr1);
writel(0x00000000, &aips1->opacr2);
writel(0x00000000, &aips1->opacr3);
writel(0x00000000, &aips1->opacr4);
writel(0x00000000, &aips2->opacr0);
writel(0x00000000, &aips2->opacr1);
writel(0x00000000, &aips2->opacr2);
writel(0x00000000, &aips2->opacr3);
writel(0x00000000, &aips2->opacr4);
#ifdef CONFIG_MX6SX
/*
* Set all MPROTx to be non-bufferable, trusted for R/W,
* not forced to user-mode.
*/
writel(0x77777777, &aips3->mprot0);
writel(0x77777777, &aips3->mprot1);
/*
* Set all OPACRx to be non-bufferable, not require
* supervisor privilege level for access,allow for
* write access and untrusted master access.
*/
writel(0x00000000, &aips3->opacr0);
writel(0x00000000, &aips3->opacr1);
writel(0x00000000, &aips3->opacr2);
writel(0x00000000, &aips3->opacr3);
writel(0x00000000, &aips3->opacr4);
#endif
}
static void clear_ldo_ramp(void)
{
struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
@ -375,22 +316,6 @@ static void set_preclk_from_osc(void)
}
#endif
#define SRC_SCR_WARM_RESET_ENABLE 0
static void init_src(void)
{
struct src *src_regs = (struct src *)SRC_BASE_ADDR;
u32 val;
/*
* force warm reset sources to generate cold reset
* for a more reliable restart
*/
val = readl(&src_regs->scr);
val &= ~(1 << SRC_SCR_WARM_RESET_ENABLE);
writel(val, &src_regs->scr);
}
int arch_cpu_init(void)
{
init_aips();
@ -458,18 +383,6 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
}
#endif
void boot_mode_apply(unsigned cfg_val)
{
unsigned reg;
struct src *psrc = (struct src *)SRC_BASE_ADDR;
writel(cfg_val, &psrc->gpr9);
reg = readl(&psrc->gpr10);
if (cfg_val)
reg |= 1 << 28;
else
reg &= ~(1 << 28);
writel(reg, &psrc->gpr10);
}
/*
* cfg_val will be used for
* Boot_cfg4[7:0]:Boot_cfg3[7:0]:Boot_cfg2[7:0]:Boot_cfg1[7:0]

2
arch/arm/imx-common/Makefile
Unescape View File

@ -19,7 +19,7 @@ obj-y += misc.o
obj-$(CONFIG_SPL_BUILD) += spl.o
endif
ifeq ($(SOC),$(filter $(SOC),mx6))
obj-y += cache.o
obj-y += cache.o init.o
obj-$(CONFIG_CMD_SATA) += sata.o
obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
endif

100
arch/arm/imx-common/init.c
Unescape View File

@ -0,0 +1,100 @@
/*
* Copyright 2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/arch/crm_regs.h>
void init_aips(void)
{
struct aipstz_regs *aips1, *aips2;
#ifdef CONFIG_MX6SX
struct aipstz_regs *aips3;
#endif
aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR;
aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR;
#ifdef CONFIG_MX6SX
aips3 = (struct aipstz_regs *)AIPS3_BASE_ADDR;
#endif
/*
* Set all MPROTx to be non-bufferable, trusted for R/W,
* not forced to user-mode.
*/
writel(0x77777777, &aips1->mprot0);
writel(0x77777777, &aips1->mprot1);
writel(0x77777777, &aips2->mprot0);
writel(0x77777777, &aips2->mprot1);
/*
* Set all OPACRx to be non-bufferable, not require
* supervisor privilege level for access,allow for
* write access and untrusted master access.
*/
writel(0x00000000, &aips1->opacr0);
writel(0x00000000, &aips1->opacr1);
writel(0x00000000, &aips1->opacr2);
writel(0x00000000, &aips1->opacr3);
writel(0x00000000, &aips1->opacr4);
writel(0x00000000, &aips2->opacr0);
writel(0x00000000, &aips2->opacr1);
writel(0x00000000, &aips2->opacr2);
writel(0x00000000, &aips2->opacr3);
writel(0x00000000, &aips2->opacr4);
#ifdef CONFIG_MX6SX
/*
* Set all MPROTx to be non-bufferable, trusted for R/W,
* not forced to user-mode.
*/
writel(0x77777777, &aips3->mprot0);
writel(0x77777777, &aips3->mprot1);
/*
* Set all OPACRx to be non-bufferable, not require
* supervisor privilege level for access,allow for
* write access and untrusted master access.
*/
writel(0x00000000, &aips3->opacr0);
writel(0x00000000, &aips3->opacr1);
writel(0x00000000, &aips3->opacr2);
writel(0x00000000, &aips3->opacr3);
writel(0x00000000, &aips3->opacr4);
#endif
}
#define SRC_SCR_WARM_RESET_ENABLE 0
void init_src(void)
{
struct src *src_regs = (struct src *)SRC_BASE_ADDR;
u32 val;
/*
* force warm reset sources to generate cold reset
* for a more reliable restart
*/
val = readl(&src_regs->scr);
val &= ~(1 << SRC_SCR_WARM_RESET_ENABLE);
writel(val, &src_regs->scr);
}
void boot_mode_apply(unsigned cfg_val)
{
unsigned reg;
struct src *psrc = (struct src *)SRC_BASE_ADDR;
writel(cfg_val, &psrc->gpr9);
reg = readl(&psrc->gpr10);
if (cfg_val)
reg |= 1 << 28;
else
reg &= ~(1 << 28);
writel(reg, &psrc->gpr10);
}

4
arch/arm/include/asm/arch-mx6/imx-regs.h
Unescape View File

@ -137,8 +137,10 @@
/* Defines for Blocks connected via AIPS (SkyBlue) */
#define ATZ1_BASE_ADDR AIPS1_ARB_BASE_ADDR
#define ATZ2_BASE_ADDR AIPS2_ARB_BASE_ADDR
#define ATZ3_BASE_ADDR AIPS3_ARB_BASE_ADDR
#define AIPS1_BASE_ADDR AIPS1_ON_BASE_ADDR
#define AIPS2_BASE_ADDR AIPS2_ON_BASE_ADDR
#define AIPS3_BASE_ADDR AIPS3_ON_BASE_ADDR
#define SPDIF_BASE_ADDR (ATZ1_BASE_ADDR + 0x04000)
#define ECSPI1_BASE_ADDR (ATZ1_BASE_ADDR + 0x08000)
@ -219,6 +221,8 @@
#define AIPS2_ON_BASE_ADDR (ATZ2_BASE_ADDR + 0x7C000)
#define AIPS2_OFF_BASE_ADDR (ATZ2_BASE_ADDR + 0x80000)
#define AIPS3_ON_BASE_ADDR (ATZ3_BASE_ADDR + 0x7C000)
#define AIPS3_OFF_BASE_ADDR (ATZ3_BASE_ADDR + 0x80000)
#define CAAM_BASE_ADDR (ATZ2_BASE_ADDR)
#define ARM_BASE_ADDR (ATZ2_BASE_ADDR + 0x40000)

3
arch/arm/include/asm/imx-common/sys_proto.h
Unescape View File

@ -35,6 +35,9 @@ u32 imx_ddr_size(void);
void sdelay(unsigned long);
void set_chipselect_size(int const);
void init_aips(void);
void init_src(void);
/*
* Initializes on-chip ethernet controllers.
* to override, implement board_eth_init()

Write Preview
Loading…
Cancel
Save