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hw/pci-host/bonito: Set the Config register reset value with FIELD_DP32

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Describe some bits of the Config registers fields with the
registerfields API. Use the FIELD_DP32() macro to set the
BONGENCFG register bits at reset.

Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200510210128.18343-12-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-05-10 21:36:37 +02:00
parent 7a296990af
commit 1f8a6c8b3c
1 changed files with 20 additions and 1 deletions
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21
hw/pci-host/bonito.c
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@ -50,6 +50,7 @@
#include "sysemu/runstate.h"
#include "exec/address-spaces.h"
#include "hw/misc/unimp.h"
#include "hw/registerfields.h"
/* #define DEBUG_BONITO */
@ -112,8 +113,19 @@
/* Power on register */
#define BONITO_BONPONCFG (0x00 >> 2) /* 0x100 */
/* PCI configuration register */
#define BONITO_BONGENCFG_OFFSET 0x4
#define BONITO_BONGENCFG (BONITO_BONGENCFG_OFFSET >> 2) /*0x104 */
REG32(BONGENCFG, 0x104)
FIELD(BONGENCFG, DEBUGMODE, 0, 1)
FIELD(BONGENCFG, SNOOP, 1, 1)
FIELD(BONGENCFG, CPUSELFRESET, 2, 1)
FIELD(BONGENCFG, BYTESWAP, 6, 1)
FIELD(BONGENCFG, UNCACHED, 7, 1)
FIELD(BONGENCFG, PREFETCH, 8, 1)
FIELD(BONGENCFG, WRITEBEHIND, 9, 1)
FIELD(BONGENCFG, PCIQUEUE, 12, 1)
/* 2. IO & IDE configuration */
#define BONITO_IODEVCFG (0x08 >> 2) /* 0x108 */
@ -577,11 +589,18 @@ static int pci_bonito_map_irq(PCIDevice *pci_dev, int irq_num)
static void bonito_reset(void *opaque)
{
PCIBonitoState *s = opaque;
uint32_t val = 0;
/* set the default value of north bridge registers */
s->regs[BONITO_BONPONCFG] = 0xc40;
s->regs[BONITO_BONGENCFG] = 0x1384;
val = FIELD_DP32(val, BONGENCFG, PCIQUEUE, 1);
val = FIELD_DP32(val, BONGENCFG, WRITEBEHIND, 1);
val = FIELD_DP32(val, BONGENCFG, PREFETCH, 1);
val = FIELD_DP32(val, BONGENCFG, UNCACHED, 1);
val = FIELD_DP32(val, BONGENCFG, CPUSELFRESET, 1);
s->regs[BONITO_BONGENCFG] = val;
s->regs[BONITO_IODEVCFG] = 0x2bff8010;
s->regs[BONITO_SDCFG] = 0x255e0091;