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b76252c985
The upstream branch might suffer rebases due to effort of pushing the patches upstream. To avoid issues, let's have here the patches we need for RPi 4 support. These patches are backported on the u-boot version in warrior. Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
63 lines
1.6 KiB
Diff
63 lines
1.6 KiB
Diff
From cfb82f8e75438979565617d323eb2c2849e486ce Mon Sep 17 00:00:00 2001
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From: Andrei Gherzan <andrei@balena.io>
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Date: Fri, 12 Jul 2019 14:27:31 +0100
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Subject: [PATCH 7/7] rpi: Add memory map for bcm2838
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Define the memory map for the BCM2838 based on the dt configuration
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available in the Raspberry Pi kernel fork.
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Signed-off-by: Andrei Gherzan <andrei@balena.io>
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Upstream-status: Pending
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---
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board/raspberrypi/rpi/rpi.c | 27 ++++++++++++++++++++++++---
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1 file changed, 24 insertions(+), 3 deletions(-)
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diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
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index 5510ea25c1..9dac64b920 100644
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--- a/board/raspberrypi/rpi/rpi.c
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+++ b/board/raspberrypi/rpi/rpi.c
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@@ -244,7 +244,8 @@ static uint32_t rev_type;
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static const struct rpi_model *model;
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#ifdef CONFIG_ARM64
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-static struct mm_region bcm2837_mem_map[] = {
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+#ifndef CONFIG_BCM2838
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+static struct mm_region bcm283x_mem_map[] = {
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{
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.virt = 0x00000000UL,
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.phys = 0x00000000UL,
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@@ -263,8 +264,28 @@ static struct mm_region bcm2837_mem_map[] = {
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0,
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}
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};
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-
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-struct mm_region *mem_map = bcm2837_mem_map;
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+#else
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+static struct mm_region bcm283x_mem_map[] = {
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+ {
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+ .virt = 0x00000000UL,
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+ .phys = 0x00000000UL,
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+ .size = 0xfe000000UL,
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+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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+ PTE_BLOCK_INNER_SHARE
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+ }, {
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+ .virt = 0xfe000000UL,
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+ .phys = 0xfe000000UL,
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+ .size = 0x01800000UL,
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+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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+ PTE_BLOCK_NON_SHARE |
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+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
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+ }, {
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+ /* List terminator */
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+ 0,
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+ }
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+};
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+#endif
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+struct mm_region *mem_map = bcm283x_mem_map;
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#endif
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int dram_init(void)
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--
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2.22.0
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