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[PATCH v7 3/8] ppc4xx_sdram: Move ppc4xx_sdram_banks() to ppc4xx_sdram.c
From: |
BALATON Zoltan |
Subject: |
[PATCH v7 3/8] ppc4xx_sdram: Move ppc4xx_sdram_banks() to ppc4xx_sdram.c |
Date: |
Wed, 19 Oct 2022 18:02:54 +0200 (CEST) |
This function is only used by the ppc4xx memory controller models so
it can be made static.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
---
hw/ppc/ppc4xx_devs.c | 62 -----------------------------------------
hw/ppc/ppc4xx_sdram.c | 61 ++++++++++++++++++++++++++++++++++++++++
include/hw/ppc/ppc4xx.h | 20 ++++++-------
3 files changed, 69 insertions(+), 74 deletions(-)
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
index f737dbb3d6..c1d111465d 100644
--- a/hw/ppc/ppc4xx_devs.c
+++ b/hw/ppc/ppc4xx_devs.c
@@ -23,73 +23,11 @@
*/
#include "qemu/osdep.h"
-#include "qemu/units.h"
#include "cpu.h"
#include "hw/ppc/ppc4xx.h"
#include "hw/qdev-properties.h"
#include "qapi/error.h"
-/*
- * Split RAM between SDRAM banks.
- *
- * sdram_bank_sizes[] must be in descending order, that is sizes[i] >
sizes[i+1]
- * and must be 0-terminated.
- *
- * The 4xx SDRAM controller supports a small number of banks, and each bank
- * must be one of a small set of sizes. The number of banks and the supported
- * sizes varies by SoC.
- */
-void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks,
- Ppc4xxSdramBank ram_banks[],
- const ram_addr_t sdram_bank_sizes[])
-{
- ram_addr_t size_left = memory_region_size(ram);
- ram_addr_t base = 0;
- ram_addr_t bank_size;
- int i;
- int j;
-
- for (i = 0; i < nr_banks; i++) {
- for (j = 0; sdram_bank_sizes[j] != 0; j++) {
- bank_size = sdram_bank_sizes[j];
- if (bank_size <= size_left) {
- char name[32];
-
- ram_banks[i].base = base;
- ram_banks[i].size = bank_size;
- base += bank_size;
- size_left -= bank_size;
- snprintf(name, sizeof(name), "ppc4xx.sdram%d", i);
- memory_region_init_alias(&ram_banks[i].ram, NULL, name, ram,
- ram_banks[i].base, ram_banks[i].size);
- break;
- }
- }
- if (!size_left) {
- /* No need to use the remaining banks. */
- break;
- }
- }
-
- if (size_left) {
- ram_addr_t used_size = memory_region_size(ram) - size_left;
- GString *s = g_string_new(NULL);
-
- for (i = 0; sdram_bank_sizes[i]; i++) {
- g_string_append_printf(s, "%" PRIi64 "%s",
- sdram_bank_sizes[i] / MiB,
- sdram_bank_sizes[i + 1] ? ", " : "");
- }
- error_report("at most %d bank%s of %s MiB each supported",
- nr_banks, nr_banks == 1 ? "" : "s", s->str);
- error_printf("Possible valid RAM size: %" PRIi64 " MiB\n",
- used_size ? used_size / MiB : sdram_bank_sizes[i - 1] / MiB);
-
- g_string_free(s, true);
- exit(EXIT_FAILURE);
- }
-}
-
/*****************************************************************************/
/* MAL */
diff --git a/hw/ppc/ppc4xx_sdram.c b/hw/ppc/ppc4xx_sdram.c
index d88363bc3d..62ef7d8f0d 100644
--- a/hw/ppc/ppc4xx_sdram.c
+++ b/hw/ppc/ppc4xx_sdram.c
@@ -43,6 +43,67 @@
/*****************************************************************************/
/* Shared functions */
+/*
+ * Split RAM between SDRAM banks.
+ *
+ * sdram_bank_sizes[] must be in descending order, that is sizes[i] >
sizes[i+1]
+ * and must be 0-terminated.
+ *
+ * The 4xx SDRAM controller supports a small number of banks, and each bank
+ * must be one of a small set of sizes. The number of banks and the supported
+ * sizes varies by SoC.
+ */
+static void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks,
+ Ppc4xxSdramBank ram_banks[],
+ const ram_addr_t sdram_bank_sizes[])
+{
+ ram_addr_t size_left = memory_region_size(ram);
+ ram_addr_t base = 0;
+ ram_addr_t bank_size;
+ int i;
+ int j;
+
+ for (i = 0; i < nr_banks; i++) {
+ for (j = 0; sdram_bank_sizes[j] != 0; j++) {
+ bank_size = sdram_bank_sizes[j];
+ if (bank_size <= size_left) {
+ char name[32];
+
+ ram_banks[i].base = base;
+ ram_banks[i].size = bank_size;
+ base += bank_size;
+ size_left -= bank_size;
+ snprintf(name, sizeof(name), "ppc4xx.sdram%d", i);
+ memory_region_init_alias(&ram_banks[i].ram, NULL, name, ram,
+ ram_banks[i].base, ram_banks[i].size);
+ break;
+ }
+ }
+ if (!size_left) {
+ /* No need to use the remaining banks. */
+ break;
+ }
+ }
+
+ if (size_left) {
+ ram_addr_t used_size = memory_region_size(ram) - size_left;
+ GString *s = g_string_new(NULL);
+
+ for (i = 0; sdram_bank_sizes[i]; i++) {
+ g_string_append_printf(s, "%" PRIi64 "%s",
+ sdram_bank_sizes[i] / MiB,
+ sdram_bank_sizes[i + 1] ? ", " : "");
+ }
+ error_report("at most %d bank%s of %s MiB each supported",
+ nr_banks, nr_banks == 1 ? "" : "s", s->str);
+ error_printf("Possible valid RAM size: %" PRIi64 " MiB\n",
+ used_size ? used_size / MiB : sdram_bank_sizes[i - 1] / MiB);
+
+ g_string_free(s, true);
+ exit(EXIT_FAILURE);
+ }
+}
+
static void sdram_bank_map(Ppc4xxSdramBank *bank)
{
memory_region_init(&bank->container, NULL, "sdram-container", bank->size);
diff --git a/include/hw/ppc/ppc4xx.h b/include/hw/ppc/ppc4xx.h
index 10c6dd535f..f8c86e09ec 100644
--- a/include/hw/ppc/ppc4xx.h
+++ b/include/hw/ppc/ppc4xx.h
@@ -29,18 +29,6 @@
#include "exec/memory.h"
#include "hw/sysbus.h"
-typedef struct {
- MemoryRegion ram;
- MemoryRegion container; /* used for clipping */
- hwaddr base;
- hwaddr size;
- uint32_t bcr;
-} Ppc4xxSdramBank;
-
-void ppc4xx_sdram_banks(MemoryRegion *ram, int nr_banks,
- Ppc4xxSdramBank ram_banks[],
- const ram_addr_t sdram_bank_sizes[]);
-
#define TYPE_PPC4xx_PCI_HOST_BRIDGE "ppc4xx-pcihost"
/*
@@ -111,6 +99,14 @@ struct Ppc4xxEbcState {
};
/* SDRAM DDR controller */
+typedef struct {
+ MemoryRegion ram;
+ MemoryRegion container; /* used for clipping */
+ hwaddr base;
+ hwaddr size;
+ uint32_t bcr;
+} Ppc4xxSdramBank;
+
#define SDR0_DDR0_DDRM_ENCODE(n) ((((unsigned long)(n)) & 0x03) << 29)
#define SDR0_DDR0_DDRM_DDR1 0x20000000
#define SDR0_DDR0_DDRM_DDR2 0x40000000
--
2.30.4