ARM: tegra: collect SoC sources into mach-tegra

[karo-tx-uboot.git] / arch / arm / cpu / tegra-common / ap.c

diff --git a/arch/arm/cpu/tegra-common/ap.c b/arch/arm/cpu/tegra-common/ap.c
deleted file mode 100644 (file)
index a17dfd1..0000000
--- a/arch/arm/cpu/tegra-common/ap.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
-* (C) Copyright 2010-2014
-* NVIDIA Corporation <www.nvidia.com>
-*
- * SPDX-License-Identifier:    GPL-2.0+
-*/
-
-/* Tegra AP (Application Processor) code */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/gp_padctrl.h>
-#include <asm/arch-tegra/ap.h>
-#include <asm/arch-tegra/clock.h>
-#include <asm/arch-tegra/fuse.h>
-#include <asm/arch-tegra/pmc.h>
-#include <asm/arch-tegra/scu.h>
-#include <asm/arch-tegra/tegra.h>
-#include <asm/arch-tegra/warmboot.h>
-
-int tegra_get_chip(void)
-{
-       int rev;
-       struct apb_misc_gp_ctlr *gp =
-               (struct apb_misc_gp_ctlr *)NV_PA_APB_MISC_GP_BASE;
-
-       /*
-        * This is undocumented, Chip ID is bits 15:8 of the register
-        * APB_MISC + 0x804, and has value 0x20 for Tegra20, 0x30 for
-        * 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);
-
-       return rev;
-}
-
-int tegra_get_sku_info(void)
-{
-       int sku_id;
-       struct fuse_regs *fuse = (struct fuse_regs *)NV_PA_FUSE_BASE;
-
-       sku_id = readl(&fuse->sku_info) & 0xff;
-       debug("%s: SKU info byte is 0x%02X\n", __func__, sku_id);
-
-       return sku_id;
-}
-
-int tegra_get_chip_sku(void)
-{
-       uint sku_id, chip_id;
-
-       chip_id = tegra_get_chip();
-       sku_id = tegra_get_sku_info();
-
-       switch (chip_id) {
-       case CHIPID_TEGRA20:
-               switch (sku_id) {
-               case SKU_ID_T20_7:
-               case SKU_ID_T20:
-                       return TEGRA_SOC_T20;
-               case SKU_ID_T25SE:
-               case SKU_ID_AP25:
-               case SKU_ID_T25:
-               case SKU_ID_AP25E:
-               case SKU_ID_T25E:
-                       return TEGRA_SOC_T25;
-               }
-               break;
-       case CHIPID_TEGRA30:
-               switch (sku_id) {
-               case SKU_ID_T33:
-               case SKU_ID_T30:
-               case SKU_ID_TM30MQS_P_A3:
-               default:
-                       return TEGRA_SOC_T30;
-               }
-               break;
-       case CHIPID_TEGRA114:
-               switch (sku_id) {
-               case SKU_ID_T114_ENG:
-               case SKU_ID_T114_1:
-               default:
-                       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);
-       return TEGRA_SOC_UNKNOWN;
-}
-
-static void enable_scu(void)
-{
-       struct scu_ctlr *scu = (struct scu_ctlr *)NV_PA_ARM_PERIPHBASE;
-       u32 reg;
-
-       /* Only enable the SCU on T20/T25 */
-       if (tegra_get_chip() != CHIPID_TEGRA20)
-               return;
-
-       /* If SCU already setup/enabled, return */
-       if (readl(&scu->scu_ctrl) & SCU_CTRL_ENABLE)
-               return;
-
-       /* Invalidate all ways for all processors */
-       writel(0xFFFF, &scu->scu_inv_all);
-
-       /* Enable SCU - bit 0 */
-       reg = readl(&scu->scu_ctrl);
-       reg |= SCU_CTRL_ENABLE;
-       writel(reg, &scu->scu_ctrl);
-}
-
-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 BCTs for currently supported SoCs, which are locked down.
-        * If this changes in new chips, we can revisit this algorithm.
-        */
-
-       u32 bct_start, odmdata;
-
-       bct_start = readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BCTPTR);
-       odmdata = readl(bct_start + BCT_ODMDATA_OFFSET);
-
-       return odmdata;
-}
-
-static void init_pmc_scratch(void)
-{
-       struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
-       u32 odmdata;
-       int i;
-
-       /* SCRATCH0 is initialized by the boot ROM and shouldn't be cleared */
-       for (i = 0; i < 23; i++)
-               writel(0, &pmc->pmc_scratch1+i);
-
-       /* ODMDATA is for kernel use to determine RAM size, LP config, etc. */
-       odmdata = get_odmdata();
-       writel(odmdata, &pmc->pmc_scratch20);
-}
-
-void s_init(void)
-{
-       /* Init PMC scratch memory */
-       init_pmc_scratch();
-
-       enable_scu();
-
-       /* init the cache */
-       config_cache();
-
-       /* init vpr */
-       config_vpr();
-}