From: Ang, Chee Hong <chee.hong.ang@intel.com>
Date: Thu, 20 Dec 2018 02:35:13 +0000 (-0800)
Subject: arm: socfpga: stratix10: Add macros for mailbox's arguments
X-Git-Tag: v2025.01-rc5-pxa1908~3206^2~3
X-Git-Url: http://git.dujemihanovic.xyz/img/static/html/index.html?a=commitdiff_plain;h=8b36ba27ad5c62af93e8158632966c2484e8f105;p=u-boot.git

arm: socfpga: stratix10: Add macros for mailbox's arguments

Add macros for specifying number of arguments in mailbox command.

Signed-off-by: Ang, Chee Hong <chee.hong.ang@intel.com>
---

diff --git a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
index 660df35ab2..ae728a5df5 100644
--- a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
+++ b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
@@ -107,6 +107,12 @@ enum ALT_SDM_MBOX_RESP_CODE {
 #define RECONFIG_STATUS_PIN_STATUS			2
 #define RECONFIG_STATUS_SOFTFUNC_STATUS			3
 
+/* Macros for specifying number of arguments in mailbox command */
+#define MBOX_NUM_ARGS(n, b)				(((n) & 0xFF) << (b))
+#define MBOX_DIRECT_COUNT(n)				MBOX_NUM_ARGS((n), 0)
+#define MBOX_ARG_DESC_COUNT(n)				MBOX_NUM_ARGS((n), 8)
+#define MBOX_RESP_DESC_COUNT(n)				MBOX_NUM_ARGS((n), 16)
+
 #define MBOX_CFGSTAT_STATE_IDLE				0x00000000
 #define MBOX_CFGSTAT_STATE_CONFIG			0x10000000
 #define MBOX_CFGSTAT_STATE_FAILACK			0x08000000