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[PATCH v5 08/21] ppc4xx_sdram: Drop extra zeros for readability
From: |
BALATON Zoltan |
Subject: |
[PATCH v5 08/21] ppc4xx_sdram: Drop extra zeros for readability |
Date: |
Sun, 18 Sep 2022 22:24:28 +0200 (CEST) |
Constants that are written zero padded for no good reason are hard to
read, it's easier to see what is meant if it's just 0 or 1 instead.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
hw/ppc/ppc4xx_devs.c | 40 ++++++++++++++++++++--------------------
1 file changed, 20 insertions(+), 20 deletions(-)
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
index 3d700e5c85..02ac8ff335 100644
--- a/hw/ppc/ppc4xx_devs.c
+++ b/hw/ppc/ppc4xx_devs.c
@@ -54,31 +54,31 @@ static uint32_t sdram_ddr_bcr(hwaddr ram_base, hwaddr
ram_size)
switch (ram_size) {
case 4 * MiB:
- bcr = 0x00000000;
+ bcr = 0;
break;
case 8 * MiB:
- bcr = 0x00020000;
+ bcr = 0x20000;
break;
case 16 * MiB:
- bcr = 0x00040000;
+ bcr = 0x40000;
break;
case 32 * MiB:
- bcr = 0x00060000;
+ bcr = 0x60000;
break;
case 64 * MiB:
- bcr = 0x00080000;
+ bcr = 0x80000;
break;
case 128 * MiB:
- bcr = 0x000A0000;
+ bcr = 0xA0000;
break;
case 256 * MiB:
- bcr = 0x000C0000;
+ bcr = 0xC0000;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"%s: invalid RAM size 0x%" HWADDR_PRIx "\n", __func__,
ram_size);
- return 0x00000000;
+ return 0;
}
bcr |= ram_base & 0xFF800000;
bcr |= 1;
@@ -109,7 +109,7 @@ static target_ulong sdram_size(uint32_t bcr)
static void sdram_set_bcr(Ppc4xxSdramDdrState *sdram, int i,
uint32_t bcr, int enabled)
{
- if (sdram->bank[i].bcr & 0x00000001) {
+ if (sdram->bank[i].bcr & 1) {
/* Unmap RAM */
trace_ppc4xx_sdram_unmap(sdram_base(sdram->bank[i].bcr),
sdram_size(sdram->bank[i].bcr));
@@ -120,7 +120,7 @@ static void sdram_set_bcr(Ppc4xxSdramDdrState *sdram, int i,
object_unparent(OBJECT(&sdram->bank[i].container));
}
sdram->bank[i].bcr = bcr & 0xFFDEE001;
- if (enabled && (bcr & 0x00000001)) {
+ if (enabled && (bcr & 1)) {
trace_ppc4xx_sdram_map(sdram_base(bcr), sdram_size(bcr));
memory_region_init(&sdram->bank[i].container, NULL, "sdram-container",
sdram_size(bcr));
@@ -141,7 +141,7 @@ static void sdram_map_bcr(Ppc4xxSdramDdrState *sdram)
sdram_set_bcr(sdram, i, sdram_ddr_bcr(sdram->bank[i].base,
sdram->bank[i].size), 1);
} else {
- sdram_set_bcr(sdram, i, 0x00000000, 0);
+ sdram_set_bcr(sdram, i, 0, 0);
}
}
}
@@ -218,7 +218,7 @@ static uint32_t sdram_ddr_dcr_read(void *opaque, int dcrn)
break;
default:
/* Avoid gcc warning */
- ret = 0x00000000;
+ ret = 0;
break;
}
@@ -311,18 +311,18 @@ static void ppc4xx_sdram_ddr_reset(DeviceState *dev)
{
Ppc4xxSdramDdrState *sdram = PPC4xx_SDRAM_DDR(dev);
- sdram->addr = 0x00000000;
- sdram->bear = 0x00000000;
- sdram->besr0 = 0x00000000; /* No error */
- sdram->besr1 = 0x00000000; /* No error */
- sdram->cfg = 0x00000000;
- sdram->ecccfg = 0x00000000; /* No ECC */
- sdram->eccesr = 0x00000000; /* No error */
+ sdram->addr = 0;
+ sdram->bear = 0;
+ sdram->besr0 = 0; /* No error */
+ sdram->besr1 = 0; /* No error */
+ sdram->cfg = 0;
+ sdram->ecccfg = 0; /* No ECC */
+ sdram->eccesr = 0; /* No error */
sdram->pmit = 0x07C00000;
sdram->rtr = 0x05F00000;
sdram->tr = 0x00854009;
/* We pre-initialize RAM banks */
- sdram->status = 0x00000000;
+ sdram->status = 0;
sdram->cfg = 0x00800000;
}
--
2.30.4
- [PATCH v5 00/21] ppc4xx_sdram QOMify and clean ups, BALATON Zoltan, 2022/09/18
- [PATCH v5 02/21] ppc4xx: Introduce Ppc4xxSdramBank struct, BALATON Zoltan, 2022/09/18
- [PATCH v5 01/21] ppc440_bamboo: Remove unnecessary memsets, BALATON Zoltan, 2022/09/18
- [PATCH v5 03/21] ppc4xx_sdram: Get rid of the init RAM hack, BALATON Zoltan, 2022/09/18
- [PATCH v5 04/21] ppc4xx: Use Ppc4xxSdramBank in ppc4xx_sdram_banks(), BALATON Zoltan, 2022/09/18
- [PATCH v5 05/21] ppc440_bamboo: Add missing 4 MiB valid memory size, BALATON Zoltan, 2022/09/18
- [PATCH v5 06/21] ppc4xx_sdram: Move size check to ppc4xx_sdram_init(), BALATON Zoltan, 2022/09/18
- [PATCH v5 07/21] ppc4xx_sdram: QOM'ify, BALATON Zoltan, 2022/09/18
- [PATCH v5 08/21] ppc4xx_sdram: Drop extra zeros for readability,
BALATON Zoltan <=
- [PATCH v5 09/21] ppc440_sdram: Split off map/unmap of sdram banks for later reuse, BALATON Zoltan, 2022/09/18
- [PATCH v5 10/21] ppc440_sdram: Implement enable bit in the DDR2 SDRAM, BALATON Zoltan, 2022/09/18
- [PATCH v5 11/21] ppc440_sdram: Get rid of the init RAM hack, BALATON Zoltan, 2022/09/18
- [PATCH v5 12/21] ppc440_sdram: Rename local variable for readability, BALATON Zoltan, 2022/09/18
- [PATCH v5 13/21] ppc4xx_sdram: Rename functions to prevent name clashes, BALATON Zoltan, 2022/09/18
- [PATCH v5 14/21] ppc440_sdram: Move RAM size check to ppc440_sdram_init, BALATON Zoltan, 2022/09/18
- [PATCH v5 15/21] ppc440_sdram: QOM'ify, BALATON Zoltan, 2022/09/18
- [PATCH v5 21/21] ppc4xx_sdram: Add errp parameter to ppc4xx_sdram_banks(), BALATON Zoltan, 2022/09/18
- [PATCH v5 17/21] ppc4xx_sdram: Use hwaddr for memory bank size, BALATON Zoltan, 2022/09/18