mmc: tegra: allow disabling external clock loopback

[u-boot] / arch / arm / include / asm / arch-tegra / ap.h

diff --git a/arch/arm/include/asm/arch-tegra/ap.h b/arch/arm/include/asm/arch-tegra/ap.h
index 70d94c50417390c6ad8705c0c3d480edb89c27ec..8c2586c6f548edd66762cde9803f336acb15e605 100644 (file)
--- a/arch/arm/include/asm/arch-tegra/ap.h
+++ b/arch/arm/include/asm/arch-tegra/ap.h
@@ -1,89 +1,31 @@
 /*
- * (C) Copyright 2010-2011
+ * (C) Copyright 2010-2015
  * NVIDIA Corporation <www.nvidia.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <asm/types.h>
 
 /* Stabilization delays, in usec */
-#define PLL_STABILIZATION_DELAY (300)
+#define PLL_STABILIZATION_DELAY        (300)
 #define IO_STABILIZATION_DELAY (1000)
 
-#define NVBL_PLLP_KHZ  (216000)
-
 #define PLLX_ENABLED           (1 << 30)
 #define CCLK_BURST_POLICY      0x20008888
 #define SUPER_CCLK_DIVIDER     0x80000000
 
 /* Calculate clock fractional divider value from ref and target frequencies */
-#define CLK_DIVIDER(REF, FREQ)  ((((REF) * 2) / FREQ) - 2)
+#define CLK_DIVIDER(REF, FREQ) ((((REF) * 2) / FREQ) - 2)
 
 /* Calculate clock frequency value from reference and clock divider value */
-#define CLK_FREQUENCY(REF, REG)  (((REF) * 2) / (REG + 2))
+#define CLK_FREQUENCY(REF, REG)        (((REF) * 2) / (REG + 2))
 
 /* AVP/CPU ID */
 #define PG_UP_TAG_0_PID_CPU    0x55555555      /* CPU aka "a9" aka "mpcore" */
-#define PG_UP_TAG_0             0x0
-
-#define CORESIGHT_UNLOCK       0xC5ACCE55;
-
-/* AP20-Specific Base Addresses */
-
-/* AP20 Base physical address of SDRAM. */
-#define AP20_BASE_PA_SDRAM      0x00000000
-/* AP20 Base physical address of internal SRAM. */
-#define AP20_BASE_PA_SRAM       0x40000000
-/* AP20 Size of internal SRAM (256KB). */
-#define AP20_BASE_PA_SRAM_SIZE  0x00040000
-/* AP20 Base physical address of flash. */
-#define AP20_BASE_PA_NOR_FLASH  0xD0000000
-/* AP20 Base physical address of boot information table. */
-#define AP20_BASE_PA_BOOT_INFO  AP20_BASE_PA_SRAM
-
-/*
- * Super-temporary stacks for EXTREMELY early startup. The values chosen for
- * these addresses must be valid on ALL SOCs because this value is used before
- * we are able to differentiate between the SOC types.
- *
- * NOTE: The since CPU's stack will eventually be moved from IRAM to SDRAM, its
- *       stack is placed below the AVP stack. Once the CPU stack has been moved,
- *       the AVP is free to use the IRAM the CPU stack previously occupied if
- *       it should need to do so.
- *
- * NOTE: In multi-processor CPU complex configurations, each processor will have
- *       its own stack of size CPU_EARLY_BOOT_STACK_SIZE. CPU 0 will have a
- *       limit of CPU_EARLY_BOOT_STACK_LIMIT. Each successive CPU will have a
- *       stack limit that is CPU_EARLY_BOOT_STACK_SIZE less then the previous
- *       CPU.
- */
+#define PG_UP_TAG_0            0x0
 
-/* Common AVP early boot stack limit */
-#define AVP_EARLY_BOOT_STACK_LIMIT     \
-       (AP20_BASE_PA_SRAM + (AP20_BASE_PA_SRAM_SIZE/2))
-/* Common AVP early boot stack size */
-#define AVP_EARLY_BOOT_STACK_SIZE      0x1000
-/* Common CPU early boot stack limit */
-#define CPU_EARLY_BOOT_STACK_LIMIT     \
-       (AVP_EARLY_BOOT_STACK_LIMIT - AVP_EARLY_BOOT_STACK_SIZE)
-/* Common CPU early boot stack size */
-#define CPU_EARLY_BOOT_STACK_SIZE      0x1000
+/* AP base physical address of internal SRAM */
+#define NV_PA_BASE_SRAM                0x40000000
 
 #define EXCEP_VECTOR_CPU_RESET_VECTOR  (NV_PA_EVP_BASE + 0x100)
 #define CSITE_CPU_DBG0_LAR             (NV_PA_CSITE_BASE + 0x10FB0)
@@ -99,8 +41,29 @@
 extern void _start(void);
 
 /**
- * Works out the SOC type used for clocks settings
+ * Works out the SOC/SKU type used for clocks settings
  *
  * @return     SOC type - see TEGRA_SOC...
  */
-int tegra_get_chip_type(void);
+int tegra_get_chip_sku(void);
+
+/**
+ * Returns the pure SOC (chip ID) from the HIDREV register
+ *
+ * @return     SOC ID - see CHIPID_TEGRAxx...
+ */
+int tegra_get_chip(void);
+
+/**
+ * Returns the SKU ID from the sku_info register
+ *
+ * @return     SKU ID - see SKU_ID_Txx...
+ */
+int tegra_get_sku_info(void);
+
+/* Do any chip-specific cache config */
+void config_cache(void);
+
+#if defined(CONFIG_TEGRA_SUPPORT_NON_SECURE)
+bool tegra_cpu_is_non_secure(void);
+#endif