test(spi_device): Read command ending at the mailbox
This commit adds a pre_dv test that ending at the last byte of the read
buffer. It is to visually check if mailbox information is changed due to
the command.
Signed-off-by: Eunchan Kim <eunchan@opentitan.org>
diff --git a/hw/ip/spi_device/pre_dv/tb/spid_readcmd_tb.sv b/hw/ip/spi_device/pre_dv/tb/spid_readcmd_tb.sv
index 87eba78..7f35ce6 100644
--- a/hw/ip/spi_device/pre_dv/tb/spid_readcmd_tb.sv
+++ b/hw/ip/spi_device/pre_dv/tb/spid_readcmd_tb.sv
@@ -397,6 +397,35 @@
read_data.delete();
// assert (event_flip)
+ //=========================================================================
+ // Issue Read Cmd ending at the last byte in front of the Mailbox
+
+ // TODO: Force the next page address to mailbox space
+ $display("Sending a read command ending at the mailbox");
+ mbx_offset = $urandom_range(1, 16);
+ mbx_reqsize = mbx_offset;
+ spiflash_read(
+ tb_sif,
+ 8'h 0B, // opcode
+ 32'h 0000_1800 - mbx_offset,
+ 1'b 0, // address mode
+ 8, // dummy beat
+ mbx_reqsize, // Ending at the last byte of read buffer
+ IoSingle,
+ read_data
+ );
+
+ expected_data = get_read_data('h 800 - mbx_offset, mbx_reqsize);
+
+ match = check_data(read_data, expected_data);
+ if (match == 1'b 0) test_passed = 1'b 0;
+ read_data.delete();
+ expected_data.delete();
+
+ //=========================================================================
+ // Issue Read Cmd starting at the last byte in front of the Mailbox then
+ // cross
+
// Switch PassThrough mode
->flashmode_done;
@@ -631,6 +660,12 @@
// threshold: SramDw granularity. 8bit (1024 Bytes)
cfg_readbuf_threshold = 8'h 83;
+ // Mailbox config for Flash mode
+ cfg_mailbox_en = 1'b 1;
+ cfg_intercept_en_mbx = 1'b 0;
+ cfg_mailbox_addr = 32'h 0000_1800; // 1kB starting from 0x1800
+ cfg_addr_4b_en = 1'b 0; // to issue FEEC_D000
+
#100ns ->init_done;
