[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v6 27/79] arm/palm: use memdev for RAM
From: |
Igor Mammedov |
Subject: |
[PATCH v6 27/79] arm/palm: use memdev for RAM |
Date: |
Wed, 19 Feb 2020 11:09:01 -0500 |
memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.
PS:
while at it add check for user supplied RAM size and error
out if it mismatches board expected value.
Signed-off-by: Igor Mammedov <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
---
v6:
* drop '.ram_size = 0x20000000' removal from palmte_binfo
as arm_load_kernel() depends on it.
(Philippe Mathieu-Daudé <address@hidden>)
v2:
* fix format string causing build failure on 32-bit host
(Philippe Mathieu-Daudé <address@hidden>)
CC: address@hidden
CC: address@hidden
---
hw/arm/palm.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/hw/arm/palm.c b/hw/arm/palm.c
index 72eca8cc55..99554bda19 100644
--- a/hw/arm/palm.c
+++ b/hw/arm/palm.c
@@ -31,6 +31,7 @@
#include "hw/loader.h"
#include "exec/address-spaces.h"
#include "cpu.h"
+#include "qemu/cutils.h"
static uint64_t static_read(void *opaque, hwaddr offset, unsigned size)
{
@@ -195,15 +196,21 @@ static void palmte_init(MachineState *machine)
static uint32_t cs2val = 0x0000e1a0;
static uint32_t cs3val = 0xe1a0e1a0;
int rom_size, rom_loaded = 0;
- MemoryRegion *dram = g_new(MemoryRegion, 1);
+ MachineClass *mc = MACHINE_GET_CLASS(machine);
MemoryRegion *flash = g_new(MemoryRegion, 1);
MemoryRegion *cs = g_new(MemoryRegion, 4);
- memory_region_allocate_system_memory(dram, NULL, "omap1.dram",
- palmte_binfo.ram_size);
- memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE, dram);
+ if (machine->ram_size != mc->default_ram_size) {
+ char *sz = size_to_str(mc->default_ram_size);
+ error_report("Invalid RAM size, should be %s", sz);
+ g_free(sz);
+ exit(EXIT_FAILURE);
+ }
+
+ memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE,
+ machine->ram);
- mpu = omap310_mpu_init(dram, machine->cpu_type);
+ mpu = omap310_mpu_init(machine->ram, machine->cpu_type);
/* External Flash (EMIFS) */
memory_region_init_ram(flash, NULL, "palmte.flash", flash_size,
@@ -265,6 +272,8 @@ static void palmte_machine_init(MachineClass *mc)
mc->init = palmte_init;
mc->ignore_memory_transaction_failures = true;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
+ mc->default_ram_size = 0x02000000;
+ mc->default_ram_id = "omap1.dram";
}
DEFINE_MACHINE("cheetah", palmte_machine_init)
--
2.18.1
- [PATCH v6 21/79] arm/mcimx7d-sabre: use memdev for RAM, (continued)
- [PATCH v6 21/79] arm/mcimx7d-sabre: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 22/79] arm/mps2-tz: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 20/79] arm/mcimx6ul-evk: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 24/79] arm/musicpal: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 23/79] arm/mps2: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 25/79] arm/nseries: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 26/79] arm/omap_sx1: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 28/79] arm/sabrelite: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 29/79] arm/raspi: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 31/79] arm/versatilepb: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 27/79] arm/palm: use memdev for RAM,
Igor Mammedov <=
- [PATCH v6 33/79] arm/virt: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 32/79] arm/vexpress: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 35/79] arm/xilinx_zynq: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 34/79] arm/xilinx_zynq: drop RAM size fixup, Igor Mammedov, 2020/02/19
- [PATCH v6 39/79] null-machine: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 30/79] arm/sbsa-ref: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 36/79] arm/xlnx-versal-virt: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 38/79] s390x/s390-virtio-ccw: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 11/79] arm/collie: use memdev for RAM, Igor Mammedov, 2020/02/19
- [PATCH v6 37/79] arm/xlnx-zcu102: use memdev for RAM, Igor Mammedov, 2020/02/19