[PATCH 09/12] board: fsl: ls1028a: Initialize the GIC redistributor tables

[Zhiqiang Hou]

From: Hou Zhiqiang <zhiqiang....@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....@nxp.com>
---
 board/freescale/ls1028a/ls1028a.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/board/freescale/ls1028a/ls1028a.c 
b/board/freescale/ls1028a/ls1028a.c
index aa93534ac6..5a89d37629 100644
--- a/board/freescale/ls1028a/ls1028a.c
+++ b/board/freescale/ls1028a/ls1028a.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <malloc.h>
 #include <errno.h>
 #include <fsl_ddr.h>
@@ -11,6 +12,7 @@
 #include <hwconfig.h>
 #include <fdt_support.h>
 #include <linux/libfdt.h>
+#include <linux/sizes.h>
 #include <env_internal.h>
 #include <asm/arch-fsl-layerscape/soc.h>
 #include <asm/arch-fsl-layerscape/fsl_icid.h>
@@ -19,6 +21,7 @@
 #ifdef CONFIG_FSL_LS_PPA
 #include <asm/arch/ppa.h>
 #endif
+#include <asm/gic-v3.h>
 #include <fsl_immap.h>
 #include <netdev.h>
 
@@ -29,6 +32,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#define GIC_LPI_SIZE           0x200000
 int config_board_mux(void)
 {
 #if defined(CONFIG_TARGET_LS1028AQDS) && defined(CONFIG_FSL_QIXIS)
@@ -140,6 +144,8 @@ int ft_board_setup(void *blob, bd_t *bd)
 {
        u64 base[CONFIG_NR_DRAM_BANKS];
        u64 size[CONFIG_NR_DRAM_BANKS];
+       u64 gic_lpi_base;
+       int ret;
 
        ft_cpu_setup(blob, bd);
 
@@ -150,6 +156,14 @@ int ft_board_setup(void *blob, bd_t *bd)
        size[1] = gd->bd->bi_dram[1].size;
 
 #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])
-- 
2.17.1