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[2/4] hw/openrisc/openrisc_sim: Paramatarize initialization

Message ID 20220210063009.1048751-3-shorne@gmail.com
State New
Headers show
Series OpenRISC Device Tree Support | expand

Commit Message

Stafford Horne Feb. 10, 2022, 6:30 a.m. UTC 
Move magic numbers to variables and enums. These will be
reused for upcoming fdt initialization.

Signed-off-by: Stafford Horne <shorne@gmail.com>
---
 hw/openrisc/openrisc_sim.c | 42 ++++++++++++++++++++++++++++++--------
 1 file changed, 34 insertions(+), 8 deletions(-)

Comments

Stafford Horne Feb. 10, 2022, 12:18 p.m. UTC | #1 
On Thu, Feb 10, 2022 at 12:07:02PM +0100, Philippe Mathieu-Daudé wrote:
> On 10/2/22 07:30, Stafford Horne wrote:
> > Move magic numbers to variables and enums. These will be
> > reused for upcoming fdt initialization.
> > 
> > Signed-off-by: Stafford Horne <shorne@gmail.com>
> > ---
> >   hw/openrisc/openrisc_sim.c | 42 ++++++++++++++++++++++++++++++--------
> >   1 file changed, 34 insertions(+), 8 deletions(-)
> 
> Typo "Parameterize" in subject.

Yes.

> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

Thank you.
diff mbox series

Patch

diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c
index b83cc1c191..5a0cc4d27e 100644
--- a/hw/openrisc/openrisc_sim.c
+++ b/hw/openrisc/openrisc_sim.c
@@ -49,6 +49,29 @@  typedef struct Or1ksimState {
 
 } Or1ksimState;
 
+enum {
+    OR1KSIM_DRAM,
+    OR1KSIM_UART,
+    OR1KSIM_ETHOC,
+    OR1KSIM_OMPIC,
+};
+
+enum {
+    OR1KSIM_OMPIC_IRQ = 1,
+    OR1KSIM_UART_IRQ = 2,
+    OR1KSIM_ETHOC_IRQ = 4,
+};
+
+static const struct MemmapEntry {
+    hwaddr base;
+    hwaddr size;
+} or1ksim_memmap[] = {
+    [OR1KSIM_DRAM] =      { 0x00000000,          0 },
+    [OR1KSIM_UART] =      { 0x90000000,      0x100 },
+    [OR1KSIM_ETHOC] =     { 0x92000000,      0x800 },
+    [OR1KSIM_OMPIC] =     { 0x98000000,         16 },
+};
+
 static struct openrisc_boot_info {
     uint32_t bootstrap_pc;
 } boot_info;
@@ -177,21 +200,24 @@  static void openrisc_sim_init(MachineState *machine)
     memory_region_add_subregion(get_system_memory(), 0, ram);
 
     if (nd_table[0].used) {
-        openrisc_sim_net_init(0x92000000, 0x92000400, smp_cpus,
-                              cpus, 4, nd_table);
+        openrisc_sim_net_init(or1ksim_memmap[OR1KSIM_ETHOC].base,
+                              or1ksim_memmap[OR1KSIM_ETHOC].base + 0x400,
+                              smp_cpus, cpus,
+                              OR1KSIM_ETHOC_IRQ, nd_table);
     }
 
     if (smp_cpus > 1) {
-        openrisc_sim_ompic_init(0x98000000, smp_cpus, cpus, 1);
+        openrisc_sim_ompic_init(or1ksim_memmap[OR1KSIM_OMPIC].base, smp_cpus,
+                                cpus, OR1KSIM_OMPIC_IRQ);
 
-        serial_irq = qemu_irq_split(get_cpu_irq(cpus, 0, 2),
-                                    get_cpu_irq(cpus, 1, 2));
+        serial_irq = qemu_irq_split(get_cpu_irq(cpus, 0, OR1KSIM_UART_IRQ),
+                                    get_cpu_irq(cpus, 1, OR1KSIM_UART_IRQ));
     } else {
-        serial_irq = get_cpu_irq(cpus, 0, 2);
+        serial_irq = get_cpu_irq(cpus, 0, OR1KSIM_UART_IRQ);
     }
 
-    serial_mm_init(get_system_memory(), 0x90000000, 0, serial_irq,
-                   115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
+    serial_mm_init(get_system_memory(), or1ksim_memmap[OR1KSIM_UART].base, 0,
+                   serial_irq, 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
 
     openrisc_load_kernel(ram_size, kernel_filename);
 }