Brad Bishop | 26bdd44 | 2019-08-16 17:08:17 -0400 | [diff] [blame^] | 1 | From 76b656349a6786fa81cf69ac7762c31675cd567e Mon Sep 17 00:00:00 2001 |
| 2 | From: Andrei Gherzan <andrei@balena.io> |
| 3 | Date: Fri, 12 Jul 2019 14:27:31 +0100 |
| 4 | Subject: [PATCH 7/7] rpi: Add memory map for bcm2838 |
| 5 | |
| 6 | Define the memory map for the BCM2838 based on the dt configuration |
| 7 | available in the Raspberry Pi kernel fork. |
| 8 | |
| 9 | Signed-off-by: Andrei Gherzan <andrei@balena.io> |
| 10 | Upstream-status: Pending |
| 11 | --- |
| 12 | board/raspberrypi/rpi/rpi.c | 27 ++++++++++++++++++++++++--- |
| 13 | 1 file changed, 24 insertions(+), 3 deletions(-) |
| 14 | |
| 15 | diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c |
| 16 | index 92c6534da6..bddf2a578d 100644 |
| 17 | --- a/board/raspberrypi/rpi/rpi.c |
| 18 | +++ b/board/raspberrypi/rpi/rpi.c |
| 19 | @@ -249,7 +249,8 @@ static uint32_t rev_type; |
| 20 | static const struct rpi_model *model; |
| 21 | |
| 22 | #ifdef CONFIG_ARM64 |
| 23 | -static struct mm_region bcm2837_mem_map[] = { |
| 24 | +#ifndef CONFIG_BCM2838 |
| 25 | +static struct mm_region bcm283x_mem_map[] = { |
| 26 | { |
| 27 | .virt = 0x00000000UL, |
| 28 | .phys = 0x00000000UL, |
| 29 | @@ -268,8 +269,28 @@ static struct mm_region bcm2837_mem_map[] = { |
| 30 | 0, |
| 31 | } |
| 32 | }; |
| 33 | - |
| 34 | -struct mm_region *mem_map = bcm2837_mem_map; |
| 35 | +#else |
| 36 | +static struct mm_region bcm283x_mem_map[] = { |
| 37 | + { |
| 38 | + .virt = 0x00000000UL, |
| 39 | + .phys = 0x00000000UL, |
| 40 | + .size = 0xfe000000UL, |
| 41 | + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | |
| 42 | + PTE_BLOCK_INNER_SHARE |
| 43 | + }, { |
| 44 | + .virt = 0xfe000000UL, |
| 45 | + .phys = 0xfe000000UL, |
| 46 | + .size = 0x01800000UL, |
| 47 | + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | |
| 48 | + PTE_BLOCK_NON_SHARE | |
| 49 | + PTE_BLOCK_PXN | PTE_BLOCK_UXN |
| 50 | + }, { |
| 51 | + /* List terminator */ |
| 52 | + 0, |
| 53 | + } |
| 54 | +}; |
| 55 | +#endif |
| 56 | +struct mm_region *mem_map = bcm283x_mem_map; |
| 57 | #endif |
| 58 | |
| 59 | int dram_init(void) |
| 60 | -- |
| 61 | 2.22.0 |
| 62 | |