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From 76b656349a6786fa81cf69ac7762c31675cd567e Mon Sep 17 00:00:00 2001
From: Andrei Gherzan <andrei@balena.io>
Date: Fri, 12 Jul 2019 14:27:31 +0100
Subject: [PATCH 7/7] rpi: Add memory map for bcm2838
Define the memory map for the BCM2838 based on the dt configuration
available in the Raspberry Pi kernel fork.
Signed-off-by: Andrei Gherzan <andrei@balena.io>
Upstream-status: Pending
---
board/raspberrypi/rpi/rpi.c | 27 ++++++++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 92c6534da6..bddf2a578d 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -249,7 +249,8 @@ static uint32_t rev_type;
static const struct rpi_model *model;
#ifdef CONFIG_ARM64
-static struct mm_region bcm2837_mem_map[] = {
+#ifndef CONFIG_BCM2838
+static struct mm_region bcm283x_mem_map[] = {
{
.virt = 0x00000000UL,
.phys = 0x00000000UL,
@@ -268,8 +269,28 @@ static struct mm_region bcm2837_mem_map[] = {
0,
}
};
-
-struct mm_region *mem_map = bcm2837_mem_map;
+#else
+static struct mm_region bcm283x_mem_map[] = {
+ {
+ .virt = 0x00000000UL,
+ .phys = 0x00000000UL,
+ .size = 0xfe000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0xfe000000UL,
+ .phys = 0xfe000000UL,
+ .size = 0x01800000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+#endif
+struct mm_region *mem_map = bcm283x_mem_map;
#endif
int dram_init(void)
--
2.22.0
|
