From patchwork Thu Mar 19 05:38:41 2020
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X-Patchwork-Submitter: Zhiqiang Hou <zhiqiang.hou@nxp.com>
X-Patchwork-Id: 243900
List-Id: U-Boot discussion <u-boot.lists.denx.de>
From: Zhiqiang.Hou at nxp.com (Zhiqiang Hou)
Date: Thu, 19 Mar 2020 13:38:41 +0800
Subject: [PATCH 07/12] board: fsl: ls1088a: Initialize the GIC redistributor
 tables
In-Reply-To: <20200319053846.2304-1-Zhiqiang.Hou@nxp.com>
References: <20200319053846.2304-1-Zhiqiang.Hou@nxp.com>
Message-ID: <20200319053846.2304-8-Zhiqiang.Hou@nxp.com>

From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>

Fixup kernel DT to reserve memory for GIC redistributor tables,
and initialize the redistributor configuration and pending
tables using the reserved memory.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
---
 board/freescale/ls1088a/ls1088a.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/board/freescale/ls1088a/ls1088a.c b/board/freescale/ls1088a/ls1088a.c
index 0bd397a0be..24663f5598 100644
--- a/board/freescale/ls1088a/ls1088a.c
+++ b/board/freescale/ls1088a/ls1088a.c
@@ -3,6 +3,7 @@
  * Copyright 2017-2018 NXP
  */
 #include <common.h>
+#include <cpu_func.h>
 #include <env.h>
 #include <i2c.h>
 #include <malloc.h>
@@ -14,6 +15,7 @@
 #include <asm/io.h>
 #include <fdt_support.h>
 #include <linux/libfdt.h>
+#include <linux/sizes.h>
 #include <fsl-mc/fsl_mc.h>
 #include <env_internal.h>
 #include <asm/arch-fsl-layerscape/soc.h>
@@ -22,6 +24,7 @@
 #include <asm/arch/fsl_serdes.h>
 #include <asm/arch/soc.h>
 #include <asm/arch-fsl-layerscape/fsl_icid.h>
+#include <asm/gic-v3.h>
 
 #include "../common/qixis.h"
 #include "ls1088a_qixis.h"
@@ -30,6 +33,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#define GIC_LPI_SIZE		0x200000
 #ifdef CONFIG_TARGET_LS1088AQDS
 #ifdef CONFIG_TFABOOT
 struct ifc_regs ifc_cfg_ifc_nor_boot[CONFIG_SYS_FSL_IFC_BANK_COUNT] = {
@@ -914,6 +918,8 @@ int ft_board_setup(void *blob, bd_t *bd)
 	u64 mc_memory_base = 0;
 	u64 mc_memory_size = 0;
 	u16 total_memory_banks;
+	u64 gic_lpi_base;
+	int ret;
 
 	ft_cpu_setup(blob, bd);
 
@@ -934,6 +940,15 @@ int ft_board_setup(void *blob, bd_t *bd)
 	}
 
 #ifdef CONFIG_RESV_RAM
+#ifdef CONFIG_GIC_V3_ITS
+	gic_lpi_base = ALIGN(gd->arch.resv_ram - GIC_LPI_SIZE, SZ_64K);
+	ret = fdt_add_resv_mem_gic_rd_tables(blob, gic_lpi_base, GIC_LPI_SIZE);
+	if (!ret) {
+		if (gic_lpi_tables_init(gic_lpi_base, cpu_numcores()))
+			debug("%s: failed to init gic-lpi-tables\n", __func__);
+	}
+#endif
+
 	/* reduce size if reserved memory is within this bank */
 	if (gd->arch.resv_ram >= base[0] &&
 	    gd->arch.resv_ram < base[0] + size[0])