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[NOTFORMERGE PATCH 2/2] RFC: hw/arm/raspi: Add the Raspberry Pi Zero mac
From: |
Philippe Mathieu-Daudé |
Subject: |
[NOTFORMERGE PATCH 2/2] RFC: hw/arm/raspi: Add the Raspberry Pi Zero machine |
Date: |
Mon, 3 Feb 2020 09:59:42 +0100 |
Add a Raspberry Pi Zero machine.
$ qemu-system-arm -M raspi0 -serial stdio \
-kernel raspberrypi/firmware/boot/kernel.img \
-dtb raspberrypi/firmware/boot/bcm2708-rpi-zero-w.dtb \
-append 'printk.time=0 earlycon=pl011,0x20201000 console=ttyAMA0'
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.19.69+ (dom@buildbot) (gcc version 4.9.3
(crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1261 Tue Sep 3 20:21:01 BST
2019
[ 0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7),
cr=00c5387d
[ 0.000000] CPU: VIPT aliasing data cache, unknown instruction cache
[ 0.000000] OF: fdt: Machine model: Raspberry Pi Zero W
[ 0.000000] earlycon: pl11 at MMIO 0x20201000 (options '')
[ 0.000000] bootconsole [pl11] enabled
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] cma: Reserved 8 MiB at 0x1b800000
[ 0.000000] random: get_random_bytes called from start_kernel+0x8c/0x49c
with crng_init=0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 113680
[ 0.000000] Kernel command line: printk.time=0 earlycon=pl011,0x20201000
console=ttyAMA0 root=/dev/mmcblk0 rootwait
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 434380K/458752K available (6971K kernel code, 635K rwdata, 2080K
rodata, 464K init, 797K bss, 16180K reserved, 8192K cma-reserved)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xdc800000 - 0xff800000 ( 560 MB)
lowmem : 0xc0000000 - 0xdc000000 ( 448 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.text : 0x(ptrval) - 0x(ptrval) (6973 kB)
.init : 0x(ptrval) - 0x(ptrval) ( 464 kB)
.data : 0x(ptrval) - 0x(ptrval) ( 636 kB)
.bss : 0x(ptrval) - 0x(ptrval) ( 798 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
ftrace: allocating 25193 entries in 74 pages
NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every
2147483647500ns
clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns:
1911260446275 ns
bcm2835: system timer (irq = 27)
Console: colour dummy device 80x30
...
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
TODO: Add acceptance test
hw/arm/raspi.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index aff5d57261..f2496a5590 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -33,6 +33,7 @@
#define MACH_TYPE_BCM2708 3138 /* Linux board IDs */
enum BoardIdChip {
+ C_BCM2835 = 0,
C_BCM2836 = 1,
C_BCM2837 = 2,
};
@@ -41,6 +42,7 @@ static const struct {
const char *soc_name;
int cores_count;
} soc_config[] = {
+ [C_BCM2835] = {TYPE_BCM2835, 1},
[C_BCM2836] = {TYPE_BCM2836, BCM283X_NCPUS},
[C_BCM2837] = {TYPE_BCM2837, BCM283X_NCPUS},
};
@@ -80,6 +82,11 @@ typedef struct RaspiMachineClass {
OBJECT_GET_CLASS(RaspiMachineClass, (obj), TYPE_RASPI_MACHINE)
static const RaspiBoardInfo raspi_boards[] = {
+ {
+ .name = MACHINE_TYPE_NAME("raspi0"),
+ .desc = "Raspberry Pi Zero W",
+ .board_rev = 0x9000c1,
+ },
{
.name = MACHINE_TYPE_NAME("raspi2"),
.desc = "Raspberry Pi 2B",
--
2.21.1