diff options
| author | Michal Simek <michal.simek@xilinx.com> | 2020-09-14 17:33:46 +0300 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2020-09-23 11:31:41 +0300 |
| commit | e3259a700a27c738b64caacdc629937d0cd71282 (patch) | |
| tree | e31824ffba908bf9611b2e8bfefeaa6d50e5d08c | |
| parent | b76907ef906b944d2e531e1e6fb469c10710881d (diff) | |
| download | u-boot-e3259a700a27c738b64caacdc629937d0cd71282.tar.xz | |
xilinx: r5: Fix MPU setting for R5
Map all resource for R5 to operate properly.
The patch is done based on the commit 23f7b1a77602 ("armv7R: K3: am654:
Enable MPU regions") which also map the whole 4GB at first and then change
mapping for DDR.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| -rw-r--r-- | arch/arm/mach-zynqmp-r5/cpu.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/arm/mach-zynqmp-r5/cpu.c b/arch/arm/mach-zynqmp-r5/cpu.c index b3402d7189..87c1d75f9f 100644 --- a/arch/arm/mach-zynqmp-r5/cpu.c +++ b/arch/arm/mach-zynqmp-r5/cpu.c @@ -11,11 +11,9 @@ DECLARE_GLOBAL_DATA_PTR; struct mpu_region_config region_config[] = { - { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, - O_I_WB_RD_WR_ALLOC, REGION_1GB }, - { 0x20000000, REGION_1, XN_EN, PRIV_RO_USR_RO, - O_I_WB_RD_WR_ALLOC, REGION_512MB }, - { 0x40000000, REGION_2, XN_EN, PRIV_RO_USR_RO, + { 0x00000000, REGION_0, XN_EN, PRIV_RW_USR_RW, + SHARED_WRITE_BUFFERED, REGION_4GB }, + { 0x00000000, REGION_1, XN_DIS, PRIV_RW_USR_RW, O_I_WB_RD_WR_ALLOC, REGION_1GB }, }; @@ -23,8 +21,7 @@ int arch_cpu_init(void) { gd->cpu_clk = CONFIG_CPU_FREQ_HZ; - setup_mpu_regions(region_config, sizeof(region_config) / - sizeof(struct mpu_region_config)); + setup_mpu_regions(region_config, ARRAY_SIZE(region_config)); return 0; } |