From: Wasim Khan <wasim.khan@nxp.com>
Date: Fri, 14 Feb 2020 05:34:36 +0000 (+0530)
Subject: board: fsl: lx2160a: Add GIC LPI memory reserve fixup
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=8cf113f473fdb60b62f939a21bc7f51795b168d8;p=u-boot.git

board: fsl: lx2160a: Add GIC LPI memory reserve fixup

Reserve DDR memory region used for GIC LPI configuration table.

Signed-off-by: Wasim Khan <wasim.khan@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
---

diff --git a/board/freescale/lx2160a/lx2160a.c b/board/freescale/lx2160a/lx2160a.c
index 7ccd2483fb..8e22689ec7 100644
--- a/board/freescale/lx2160a/lx2160a.c
+++ b/board/freescale/lx2160a/lx2160a.c
@@ -631,6 +631,21 @@ void board_quiesce_devices(void)
 }
 #endif
 
+#ifdef CONFIG_GIC_V3_ITS
+void fdt_fixup_gic_lpi_memory(void *blob, u64 gic_lpi_base)
+{
+	u32 phandle;
+	int err;
+	struct fdt_memory gic_lpi;
+
+	gic_lpi.start = gic_lpi_base;
+	gic_lpi.end = gic_lpi_base + GIC_LPI_SIZE - 1;
+	err = fdtdec_add_reserved_memory(blob, "gic-lpi", &gic_lpi, &phandle);
+	if (err < 0)
+		debug("failed to add reserved memory: %d\n", err);
+}
+#endif
+
 #ifdef CONFIG_OF_BOARD_SETUP
 int ft_board_setup(void *blob, bd_t *bd)
 {
@@ -665,6 +680,7 @@ int ft_board_setup(void *blob, bd_t *bd)
 #ifdef CONFIG_GIC_V3_ITS
 	gic_lpi_base = gd->arch.resv_ram - GIC_LPI_SIZE;
 	gic_lpi_tables_init(gic_lpi_base, cpu_numcores());
+	fdt_fixup_gic_lpi_memory(blob, gic_lpi_base);
 #endif
 
 #ifdef CONFIG_RESV_RAM