From 1ca910be5df2e2ba80f7ac496570a88e34593cf8 Mon Sep 17 00:00:00 2001
From: Simon Glass
Date: Thu, 15 Nov 2018 18:44:01 -0700
Subject: sandbox: Add an option to display of-platdata in SPL

At present we don't have a test that of-platdata can be accessed in SPL.
Add this in as a command-line option to SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 arch/sandbox/cpu/spl.c          | 14 ++++++++++++++
 arch/sandbox/cpu/start.c        |  9 +++++++++
 arch/sandbox/cpu/u-boot-spl.lds |  2 +-
 3 files changed, 24 insertions(+), 1 deletion(-)

(limited to 'arch/sandbox/cpu')

diff --git a/arch/sandbox/cpu/spl.c b/arch/sandbox/cpu/spl.c
index 42c149a4981..49f98644c02 100644
--- a/arch/sandbox/cpu/spl.c
+++ b/arch/sandbox/cpu/spl.c
@@ -44,5 +44,19 @@ SPL_LOAD_IMAGE_METHOD("sandbox", 0, BOOT_DEVICE_BOARD, spl_board_load_image);
 
 void spl_board_init(void)
 {
+	struct sandbox_state *state = state_get_current();
+	struct udevice *dev;
+
 	preloader_console_init();
+	if (state->show_of_platdata) {
+		/*
+		 * Scan all the devices so that we can output their platform
+		 * data. See sandbox_spl_probe().
+		 */
+		printf("Scanning misc devices\n");
+		for (uclass_first_device(UCLASS_MISC, &dev);
+		     dev;
+		     uclass_next_device(&dev))
+			;
+	}
 }
diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index 2ee3b485657..28ca35392c9 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -283,6 +283,15 @@ static int sandbox_cmdline_cb_log_level(struct sandbox_state *state,
 SANDBOX_CMDLINE_OPT_SHORT(log_level, 'L', 1,
 			  "Set log level (0=panic, 7=debug)");
 
+static int sandbox_cmdline_cb_show_of_platdata(struct sandbox_state *state,
+					       const char *arg)
+{
+	state->show_of_platdata = true;
+
+	return 0;
+}
+SANDBOX_CMDLINE_OPT(show_of_platdata, 0, "Show of-platdata in SPL");
+
 int board_run_command(const char *cmdline)
 {
 	printf("## Commands are disabled. Please enable CONFIG_CMDLINE.\n");
diff --git a/arch/sandbox/cpu/u-boot-spl.lds b/arch/sandbox/cpu/u-boot-spl.lds
index f97abdfa050..de65b01b33c 100644
--- a/arch/sandbox/cpu/u-boot-spl.lds
+++ b/arch/sandbox/cpu/u-boot-spl.lds
@@ -14,7 +14,7 @@ SECTIONS
 	}
 
 	__u_boot_sandbox_option_start = .;
-	_u_boot_sandbox_getopt : { *(.u_boot_sandbox_getopt) }
+	_u_boot_sandbox_getopt : { KEEP(*(.u_boot_sandbox_getopt)) }
 	__u_boot_sandbox_option_end = .;
 
 	__bss_start = .;
-- 
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