andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Tegra: platform: helper functions to read chip ID 

This patch adds helper functions to find out the chip ID of the
Tegra SoC.

Change-Id: Ia3901dc7cdf77d8c23884d1ed38a80dba6a8afde
Signed-off-by: Marvin Hsu <marvinh@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
This commit is contained in:
Marvin Hsu 2017-04-12 20:40:27 +08:00 committed by Varun Wadekar
parent 7b3b41d676
commit d3b71331eb
2 changed files with 46 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
plat/nvidia/tegra/common/tegra_platform.c
View File

@ -10,7 +10,6 @@
#include <tegra_def.h>
#include <tegra_platform.h>
#include <tegra_private.h>
#include <utils_def.h>
/*******************************************************************************
* Tegra platforms
@ -37,18 +36,6 @@ typedef enum tegra_platform {
#define TEGRA_MINOR_UNIT_FPGA U(5)
#define TEGRA_MINOR_VIRT_DEV_KIT U(6)
/*******************************************************************************
* Tegra major, minor version helper macros
******************************************************************************/
#define MAJOR_VERSION_SHIFT U(0x4)
#define MAJOR_VERSION_MASK U(0xF)
#define MINOR_VERSION_SHIFT U(0x10)
#define MINOR_VERSION_MASK U(0xF)
#define CHIP_ID_SHIFT U(8)
#define CHIP_ID_MASK U(0xFF)
#define PRE_SI_PLATFORM_SHIFT U(0x14)
#define PRE_SI_PLATFORM_MASK U(0xF)
/*******************************************************************************
* Tegra macros defining all the SoC pre_si_platform
******************************************************************************/
@ -93,27 +80,6 @@ uint32_t tegra_get_chipid_minor(void)
return (tegra_get_chipid() >> MINOR_VERSION_SHIFT) & MINOR_VERSION_MASK;
}
uint8_t tegra_chipid_is_t132(void)
{
uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
return (chip_id == TEGRA_CHIPID_TEGRA13);
}
uint8_t tegra_chipid_is_t210(void)
{
uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
return (chip_id == TEGRA_CHIPID_TEGRA21);
}
uint8_t tegra_chipid_is_t186(void)
{
uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
return (chip_id == TEGRA_CHIPID_TEGRA18);
}
/*
* Read the chip's pre_si_platform valus from the chip ID value
*/
@ -122,6 +88,32 @@ static uint32_t tegra_get_chipid_pre_si_platform(void)
return (tegra_get_chipid() >> PRE_SI_PLATFORM_SHIFT) & PRE_SI_PLATFORM_MASK;
}
bool tegra_chipid_is_t132(void)
{
uint32_t chip_id = ((tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK);
return (chip_id == (uint32_t)TEGRA_CHIPID_TEGRA13);
}
bool tegra_chipid_is_t186(void)
{
uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
return (chip_id == TEGRA_CHIPID_TEGRA18);
}
bool tegra_chipid_is_t210(void)
{
uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK;
return (chip_id == (uint32_t)TEGRA_CHIPID_TEGRA21);
}
bool tegra_chipid_is_t210_b01(void)
{
return (tegra_chipid_is_t210() && (tegra_get_chipid_major() == 0x2UL));
}
/*
* Read the chip ID value and derive the platform
*/
@ -178,8 +170,8 @@ static tegra_platform_t tegra_get_platform(void)
case TEGRA_MINOR_VIRT_DEV_KIT:
ret = TEGRA_PLATFORM_VIRT_DEV_KIT;
break;
default:
assert(0);
ret = TEGRA_PLATFORM_MAX;
break;
}
@ -227,7 +219,6 @@ static tegra_platform_t tegra_get_platform(void)
break;
default:
assert(0);
ret = TEGRA_PLATFORM_MAX;
break;
}

24
plat/nvidia/tegra/include/tegra_platform.h
View File

@ -9,19 +9,33 @@
#include <cdefs.h>
#include <stdbool.h>
#include <utils_def.h>
/*******************************************************************************
* Tegra major, minor version helper macros
******************************************************************************/
#define MAJOR_VERSION_SHIFT U(0x4)
#define MAJOR_VERSION_MASK U(0xF)
#define MINOR_VERSION_SHIFT U(0x10)
#define MINOR_VERSION_MASK U(0xF)
#define CHIP_ID_SHIFT U(8)
#define CHIP_ID_MASK U(0xFF)
#define PRE_SI_PLATFORM_SHIFT U(0x14)
#define PRE_SI_PLATFORM_MASK U(0xF)
/*
* Tegra chip major/minor version
* Tegra chip ID values
*/
uint32_t tegra_get_chipid_major(void);
uint32_t tegra_get_chipid_minor(void);
/*
* Tegra chip identifiers
* Tegra chip ID identifiers
*/
uint8_t tegra_chipid_is_t132(void);
uint8_t tegra_chipid_is_t210(void);
uint8_t tegra_chipid_is_t186(void);
bool tegra_chipid_is_t132(void);
bool tegra_chipid_is_t186(void);
bool tegra_chipid_is_t210(void);
bool tegra_chipid_is_t210_b01(void);
/*