Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 456 insertions, 0 deletions

diff --git a/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-error.h b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-error.h
new file mode 100644
index 000000000..9a13ed422
--- /dev/null
+++ b/roms/u-boot/arch/mips/mach-octeon/include/mach/cvmx-error.h
@@ -0,0 +1,456 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ *
+ * Interface to the Octeon extended error status.
+ */
+
+#ifndef __CVMX_ERROR_H__
+#define __CVMX_ERROR_H__
+
+/**
+ * There are generally many error status bits associated with a
+ * single logical group. The enumeration below is used to
+ * communicate high level groups to the error infastructure so
+ * error status bits can be enable or disabled in large groups.
+ */
+typedef enum {
+	CVMX_ERROR_GROUP_INTERNAL,
+	CVMX_ERROR_GROUP_L2C,
+	CVMX_ERROR_GROUP_ETHERNET,
+	CVMX_ERROR_GROUP_MGMT_PORT,
+	CVMX_ERROR_GROUP_PCI,
+	CVMX_ERROR_GROUP_SRIO,
+	CVMX_ERROR_GROUP_USB,
+	CVMX_ERROR_GROUP_LMC,
+	CVMX_ERROR_GROUP_ILK,
+	CVMX_ERROR_GROUP_DFM,
+	CVMX_ERROR_GROUP_ILA,
+} cvmx_error_group_t;
+
+/**
+ * Flags representing special handling for some error registers.
+ * These flags are passed to cvmx_error_initialize() to control
+ * the handling of bits where the same flags were passed to the
+ * added cvmx_error_info_t.
+ */
+typedef enum {
+	CVMX_ERROR_TYPE_NONE = 0,
+	CVMX_ERROR_TYPE_SBE = 1 << 0,
+	CVMX_ERROR_TYPE_DBE = 1 << 1,
+} cvmx_error_type_t;
+
+/**
+ * When registering for interest in an error status register, the
+ * type of the register needs to be known by cvmx-error. Most
+ * registers are either IO64 or IO32, but some blocks contain
+ * registers that can't be directly accessed. A good example of
+ * would be PCIe extended error state stored in config space.
+ */
+typedef enum {
+	__CVMX_ERROR_REGISTER_NONE,
+	CVMX_ERROR_REGISTER_IO64,
+	CVMX_ERROR_REGISTER_IO32,
+	CVMX_ERROR_REGISTER_PCICONFIG,
+	CVMX_ERROR_REGISTER_SRIOMAINT,
+} cvmx_error_register_t;
+
+struct cvmx_error_info;
+/**
+ * Error handling functions must have the following prototype.
+ */
+typedef int (*cvmx_error_func_t)(const struct cvmx_error_info *info);
+
+/**
+ * This structure is passed to all error handling functions.
+ */
+typedef struct cvmx_error_info {
+	cvmx_error_register_t reg_type;
+	u64 status_addr;
+	u64 status_mask;
+	u64 enable_addr;
+	u64 enable_mask;
+	cvmx_error_type_t flags;
+	cvmx_error_group_t group;
+	int group_index;
+	cvmx_error_func_t func;
+	u64 user_info;
+	struct {
+		cvmx_error_register_t reg_type;
+		u64 status_addr;
+		u64 status_mask;
+	} parent;
+} cvmx_error_info_t;
+
+/**
+ * Initialize the error status system. This should be called once
+ * before any other functions are called. This function adds default
+ * handlers for most all error events but does not enable them. Later
+ * calls to cvmx_error_enable() are needed.
+ *
+ * @param flags  Optional flags.
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_initialize(void);
+
+/**
+ * Poll the error status registers and call the appropriate error
+ * handlers. This should be called in the RSL interrupt handler
+ * for your application or operating system.
+ *
+ * @return Number of error handlers called. Zero means this call
+ *         found no errors and was spurious.
+ */
+int cvmx_error_poll(void);
+
+/**
+ * Register to be called when an error status bit is set. Most users
+ * will not need to call this function as cvmx_error_initialize()
+ * registers default handlers for most error conditions. This function
+ * is normally used to add more handlers without changing the existing
+ * handlers.
+ *
+ * @param new_info Information about the handler for a error register. The
+ *                 structure passed is copied and can be destroyed after the
+ *                 call. All members of the structure must be populated, even the
+ *                 parent information.
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_add(const cvmx_error_info_t *new_info);
+
+/**
+ * Remove all handlers for a status register and mask. Normally
+ * this function should not be called. Instead a new handler should be
+ * installed to replace the existing handler. In the even that all
+ * reporting of a error bit should be removed, then use this
+ * function.
+ *
+ * @param reg_type Type of the status register to remove
+ * @param status_addr
+ *                 Status register to remove.
+ * @param status_mask
+ *                 All handlers for this status register with this mask will be
+ *                 removed.
+ * @param old_info If not NULL, this is filled with information about the handler
+ *                 that was removed.
+ *
+ * @return Zero on success, negative on failure (not found).
+ */
+int cvmx_error_remove(cvmx_error_register_t reg_type, u64 status_addr, u64 status_mask,
+		      cvmx_error_info_t *old_info);
+
+/**
+ * Change the function and user_info for an existing error status
+ * register. This function should be used to replace the default
+ * handler with an application specific version as needed.
+ *
+ * @param reg_type Type of the status register to change
+ * @param status_addr
+ *                 Status register to change.
+ * @param status_mask
+ *                 All handlers for this status register with this mask will be
+ *                 changed.
+ * @param new_func New function to use to handle the error status
+ * @param new_user_info
+ *                 New user info parameter for the function
+ * @param old_func If not NULL, the old function is returned. Useful for restoring
+ *                 the old handler.
+ * @param old_user_info
+ *                 If not NULL, the old user info parameter.
+ *
+ * @return Zero on success, negative on failure
+ */
+int cvmx_error_change_handler(cvmx_error_register_t reg_type, u64 status_addr, u64 status_mask,
+			      cvmx_error_func_t new_func, u64 new_user_info,
+			      cvmx_error_func_t *old_func, u64 *old_user_info);
+
+/**
+ * Enable all error registers for a logical group. This should be
+ * called whenever a logical group is brought online.
+ *
+ * @param group  Logical group to enable
+ * @param group_index
+ *               Index for the group as defined in the cvmx_error_group_t
+ *               comments.
+ *
+ * @return Zero on success, negative on failure.
+ */
+/*
+ * Rather than conditionalize the calls throughout the executive to not enable
+ * interrupts in Uboot, simply make the enable function do nothing
+ */
+static inline int cvmx_error_enable_group(cvmx_error_group_t group, int group_index)
+{
+	return 0;
+}
+
+/**
+ * Disable all error registers for a logical group. This should be
+ * called whenever a logical group is brought offline. Many blocks
+ * will report spurious errors when offline unless this function
+ * is called.
+ *
+ * @param group  Logical group to disable
+ * @param group_index
+ *               Index for the group as defined in the cvmx_error_group_t
+ *               comments.
+ *
+ * @return Zero on success, negative on failure.
+ */
+/*
+ * Rather than conditionalize the calls throughout the executive to not disable
+ * interrupts in Uboot, simply make the enable function do nothing
+ */
+static inline int cvmx_error_disable_group(cvmx_error_group_t group, int group_index)
+{
+	return 0;
+}
+
+/**
+ * Enable all handlers for a specific status register mask.
+ *
+ * @param reg_type Type of the status register
+ * @param status_addr
+ *                 Status register address
+ * @param status_mask
+ *                 All handlers for this status register with this mask will be
+ *                 enabled.
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_enable(cvmx_error_register_t reg_type, u64 status_addr, u64 status_mask);
+
+/**
+ * Disable all handlers for a specific status register and mask.
+ *
+ * @param reg_type Type of the status register
+ * @param status_addr
+ *                 Status register address
+ * @param status_mask
+ *                 All handlers for this status register with this mask will be
+ *                 disabled.
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_disable(cvmx_error_register_t reg_type, u64 status_addr, u64 status_mask);
+
+/**
+ * @INTERNAL
+ * Function for processing non leaf error status registers. This function
+ * calls all handlers for this passed register and all children linked
+ * to it.
+ *
+ * @param info   Error register to check
+ *
+ * @return Number of error status bits found or zero if no bits were set.
+ */
+int __cvmx_error_decode(const cvmx_error_info_t *info);
+
+/**
+ * @INTERNAL
+ * This error bit handler simply prints a message and clears the status bit
+ *
+ * @param info   Error register to check
+ *
+ * @return
+ */
+int __cvmx_error_display(const cvmx_error_info_t *info);
+
+/**
+ * Find the handler for a specific status register and mask
+ *
+ * @param status_addr
+ *                Status register address
+ *
+ * @return  Return the handler on success or null on failure.
+ */
+cvmx_error_info_t *cvmx_error_get_index(u64 status_addr);
+
+void __cvmx_install_gmx_error_handler_for_xaui(void);
+
+/**
+ * 78xx related
+ */
+/**
+ * Compare two INTSN values.
+ *
+ * @param key INTSN value to search for
+ * @param data current entry from the searched array
+ *
+ * @return Negative, 0 or positive when respectively key is less than,
+ *		equal or greater than data.
+ */
+int cvmx_error_intsn_cmp(const void *key, const void *data);
+
+/**
+ * @INTERNAL
+ *
+ * @param intsn   Interrupt source number to display
+ *
+ * @param node Node number
+ *
+ * @return Zero on success, -1 on error
+ */
+int cvmx_error_intsn_display_v3(int node, u32 intsn);
+
+/**
+ * Initialize the error status system for cn78xx. This should be called once
+ * before any other functions are called. This function enables the interrupts
+ * described in the array.
+ *
+ * @param node Node number
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_initialize_cn78xx(int node);
+
+/**
+ * Enable interrupt for a specific INTSN.
+ *
+ * @param node Node number
+ * @param intsn Interrupt source number
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_intsn_enable_v3(int node, u32 intsn);
+
+/**
+ * Disable interrupt for a specific INTSN.
+ *
+ * @param node Node number
+ * @param intsn Interrupt source number
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_intsn_disable_v3(int node, u32 intsn);
+
+/**
+ * Clear interrupt for a specific INTSN.
+ *
+ * @param intsn Interrupt source number
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_intsn_clear_v3(int node, u32 intsn);
+
+/**
+ * Enable interrupts for a specific CSR(all the bits/intsn in the csr).
+ *
+ * @param node Node number
+ * @param csr_address CSR address
+ *
+ * @return Zero on success, negative on failure.
+ */
+int cvmx_error_csr_enable_v3(int node, u64 csr_address);
+
+/**
+ * Disable interrupts for a specific CSR (all the bits/intsn in the csr).
+ *
+ * @param node Node number
+ * @param csr_address CSR address
+ *
+ * @return Zero
+ */
+int cvmx_error_csr_disable_v3(int node, u64 csr_address);
+
+/**
+ * Enable all error registers for a logical group. This should be
+ * called whenever a logical group is brought online.
+ *
+ * @param group  Logical group to enable
+ * @param xipd_port  The IPD port value
+ *
+ * @return Zero.
+ */
+int cvmx_error_enable_group_v3(cvmx_error_group_t group, int xipd_port);
+
+/**
+ * Disable all error registers for a logical group.
+ *
+ * @param group  Logical group to enable
+ * @param xipd_port  The IPD port value
+ *
+ * @return Zero.
+ */
+int cvmx_error_disable_group_v3(cvmx_error_group_t group, int xipd_port);
+
+/**
+ * Enable all error registers for a specific category in a logical group.
+ * This should be called whenever a logical group is brought online.
+ *
+ * @param group  Logical group to enable
+ * @param type   Category in a logical group to enable
+ * @param xipd_port  The IPD port value
+ *
+ * @return Zero.
+ */
+int cvmx_error_enable_group_type_v3(cvmx_error_group_t group, cvmx_error_type_t type,
+				    int xipd_port);
+
+/**
+ * Disable all error registers for a specific category in a logical group.
+ * This should be called whenever a logical group is brought online.
+ *
+ * @param group  Logical group to disable
+ * @param type   Category in a logical group to disable
+ * @param xipd_port  The IPD port value
+ *
+ * @return Zero.
+ */
+int cvmx_error_disable_group_type_v3(cvmx_error_group_t group, cvmx_error_type_t type,
+				     int xipd_port);
+
+/**
+ * Clear all error registers for a logical group.
+ *
+ * @param group  Logical group to disable
+ * @param xipd_port  The IPD port value
+ *
+ * @return Zero.
+ */
+int cvmx_error_clear_group_v3(cvmx_error_group_t group, int xipd_port);
+
+/**
+ * Enable all error registers for a particular category.
+ *
+ * @param node  CCPI node
+ * @param type  category to enable
+ *
+ *@return Zero.
+ */
+int cvmx_error_enable_type_v3(int node, cvmx_error_type_t type);
+
+/**
+ * Disable all error registers for a particular category.
+ *
+ * @param node  CCPI node
+ * @param type  category to disable
+ *
+ *@return Zero.
+ */
+int cvmx_error_disable_type_v3(int node, cvmx_error_type_t type);
+
+void cvmx_octeon_hang(void) __attribute__((__noreturn__));
+
+/**
+ * @INTERNAL
+ *
+ * Process L2C single and multi-bit ECC errors
+ *
+ */
+int __cvmx_cn7xxx_l2c_l2d_ecc_error_display(int node, int intsn);
+
+/**
+ * Handle L2 cache TAG ECC errors and noway errors
+ *
+ * @param	CCPI node
+ * @param	intsn	intsn from error array.
+ * @param	remote	true for remote node (cn78xx only)
+ *
+ * @return	1 if handled, 0 if not handled
+ */
+int __cvmx_cn7xxx_l2c_tag_error_display(int node, int intsn, bool remote);
+
+#endif