Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-26 06:30:39 +00:00
Code Issues Projects Releases Packages Wiki Activity

ARM: tegra: add common (shared) CPU files

Browse source 
These files are used by both SPL and main U-Boot.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Tom Warren 2014-01-24 12:46:16 -07:00 committed by Tom Warren
parent 52ef43b052
commit 2f5dac9214
3 changed files with 24 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
arch/arm/cpu/tegra-common/ap.c
View file

@ -1,5 +1,5 @@
/*
* (C) Copyright 2010-2011
* (C) Copyright 2010-2014
* NVIDIA Corporation <www.nvidia.com>
*
* SPDX-License-Identifier: GPL-2.0+
@ -27,7 +27,7 @@ int tegra_get_chip(void)
/*
* This is undocumented, Chip ID is bits 15:8 of the register
* APB_MISC + 0x804, and has value 0x20 for Tegra20, 0x30 for
* Tegra30, and 0x35 for T114.
* Tegra30, 0x35 for T114, and 0x40 for Tegra124.
*/
rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;
debug("%s: CHIPID is 0x%02X\n", __func__, rev);
@ -84,7 +84,15 @@ int tegra_get_chip_sku(void)
return TEGRA_SOC_T114;
}
break;
case CHIPID_TEGRA124:
switch (sku_id) {
case SKU_ID_T124_ENG:
default:
return TEGRA_SOC_T124;
}
break;
}
/* unknown chip/sku id */
printf("%s: ERROR: UNKNOWN CHIP/SKU ID COMBO (0x%02X/0x%02X)\n",
__func__, chip_id, sku_id);
@ -119,8 +127,8 @@ static u32 get_odmdata(void)
* ODMDATA is stored in the BCT in IRAM by the BootROM.
* The BCT start and size are stored in the BIT in IRAM.
* Read the data @ bct_start + (bct_size - 12). This works
* on T20 and T30 BCTs, which are locked down. If this changes
* in new chips (T114, etc.), we can revisit this algorithm.
* on BCTs for currently supported SoCs, which are locked down.
* If this changes in new chips, we can revisit this algorithm.
*/
u32 bct_start, odmdata;

10
arch/arm/cpu/tegra-common/board.c
View file

@ -1,5 +1,5 @@
/*
* (C) Copyright 2010,2011
* (C) Copyright 2010-2014
* NVIDIA Corporation <www.nvidia.com>
*
* SPDX-License-Identifier: GPL-2.0+
@ -109,12 +109,18 @@ static int uart_configs[] = {
-1,
-1,
-1,
#else /* Tegra114 */
#elif defined(CONFIG_TEGRA114)
-1,
-1,
-1,
FUNCMUX_UART4_GMI, /* UARTD */
-1,
#else /* Tegra124 */
FUNCMUX_UART1_KBC, /* UARTA */
-1,
-1,
FUNCMUX_UART4_GPIO, /* UARTD */
-1,
#endif
};

10
arch/arm/cpu/tegra-common/cache.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -23,8 +23,6 @@
void config_cache(void)
{
struct apb_misc_gp_ctlr *gp =
(struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
u32 reg = 0;
/* enable SMP mode and FW for CPU0, by writing to Auxiliary Ctl reg */
@ -33,10 +31,10 @@ void config_cache(void)
"orr r0, r0, #0x41\n"
"mcr p15, 0, r0, c1, c0, 1\n");
/* Currently, only T114 needs this L2 cache change to boot Linux */
reg = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK);
if (reg != (CHIPID_TEGRA114 << HIDREV_CHIPID_SHIFT))
/* Currently, only Tegra114+ needs this L2 cache change to boot Linux */
if (tegra_get_chip() < CHIPID_TEGRA114)
return;
/*
* Systems with an architectural L2 cache must not use the PL310.
* Config L2CTLR here for a data RAM latency of 3 cycles.