[U-Boot] [PATCH v4 1/4] arm: socfpga: stratix10: Add macros for mailbox's arguments

chee.hong.ang at intel.com
2018-11-19T09:43:39Z

Add macros for specifying number of arguments in mailbox command.

Signed-off-by: Ang, Chee Hong <chee.hong.ang@intel.com>
---
arch/arm/mach-socfpga/include/mach/mailbox_s10.h | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
index 660df35..ae728a5 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
--
2.7.4