From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8CC7EECAAD8 for ; Sun, 18 Sep 2022 20:40:34 +0000 (UTC) Received: from localhost ([::1]:58478 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oa15d-0002Je-NO for qemu-devel@archiver.kernel.org; Sun, 18 Sep 2022 16:40:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39744) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oa0qE-0004go-Aw; Sun, 18 Sep 2022 16:24:38 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]:51176) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oa0qC-0004Aw-HY; Sun, 18 Sep 2022 16:24:38 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 08D6F75A164; Sun, 18 Sep 2022 22:24:35 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id C19E275A162; Sun, 18 Sep 2022 22:24:34 +0200 (CEST) Message-Id: <28f17694279b13b13337f0c9187977a99314914a.1663531117.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v5 14/21] ppc440_sdram: Move RAM size check to ppc440_sdram_init MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Daniel Henrique Barboza , Peter Maydell Date: Sun, 18 Sep 2022 22:24:34 +0200 (CEST) Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Move the check for valid memory sizes from board to sdram controller init. This adds the missing valid memory sizes of 4 GiB, 16 and 8 MiB to the DoC and the board now only checks for additional restrictions imposed by its firmware then sdram init checks for valid sizes for SoC. Signed-off-by: BALATON Zoltan --- hw/ppc/ppc440.h | 4 ++-- hw/ppc/ppc440_uc.c | 15 +++++++-------- hw/ppc/sam460ex.c | 32 +++++++++++++++++--------------- 3 files changed, 26 insertions(+), 25 deletions(-) diff --git a/hw/ppc/ppc440.h b/hw/ppc/ppc440.h index 01d76b8000..29f6f14ed7 100644 --- a/hw/ppc/ppc440.h +++ b/hw/ppc/ppc440.h @@ -11,13 +11,13 @@ #ifndef PPC440_H #define PPC440_H -#include "hw/ppc/ppc4xx.h" +#include "hw/ppc/ppc.h" void ppc4xx_l2sram_init(CPUPPCState *env); void ppc4xx_cpr_init(CPUPPCState *env); void ppc4xx_sdr_init(CPUPPCState *env); void ppc440_sdram_init(CPUPPCState *env, int nbanks, - Ppc4xxSdramBank *ram_banks); + MemoryRegion *ram); void ppc4xx_ahb_init(CPUPPCState *env); void ppc4xx_dma_init(CPUPPCState *env, int dcr_base); void ppc460ex_pcie_init(CPUPPCState *env); diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c index edd0781eb7..2b9d666b71 100644 --- a/hw/ppc/ppc440_uc.c +++ b/hw/ppc/ppc440_uc.c @@ -487,7 +487,7 @@ void ppc4xx_sdr_init(CPUPPCState *env) typedef struct ppc440_sdram_t { uint32_t addr; uint32_t mcopt2; - int nbanks; + int nbanks; /* Banks to use from the 4, e.g. when board has less slots */ Ppc4xxSdramBank bank[4]; } ppc440_sdram_t; @@ -733,18 +733,17 @@ static void sdram_ddr2_reset(void *opaque) } void ppc440_sdram_init(CPUPPCState *env, int nbanks, - Ppc4xxSdramBank *ram_banks) + MemoryRegion *ram) { ppc440_sdram_t *s; - int i; + const ram_addr_t valid_bank_sizes[] = { + 4 * GiB, 2 * GiB, 1 * GiB, 512 * MiB, 256 * MiB, 128 * MiB, 64 * MiB, + 32 * MiB, 16 * MiB, 8 * MiB, 0 + }; s = g_malloc0(sizeof(*s)); s->nbanks = nbanks; - for (i = 0; i < nbanks; i++) { - s->bank[i].ram = ram_banks[i].ram; - s->bank[i].base = ram_banks[i].base; - s->bank[i].size = ram_banks[i].size; - } + ppc4xx_sdram_banks(ram, s->nbanks, s->bank, valid_bank_sizes); qemu_register_reset(&sdram_ddr2_reset, s); ppc_dcr_register(env, SDRAM0_CFGADDR, s, &sdram_ddr2_dcr_read, &sdram_ddr2_dcr_write); diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index b318521b01..13055a8916 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -74,13 +74,6 @@ #define EBC_FREQ 115000000 #define UART_FREQ 11059200 -/* The SoC could also handle 4 GiB but firmware does not work with that. */ -/* Maybe it overflows a signed 32 bit number somewhere? */ -static const ram_addr_t ppc460ex_sdram_bank_sizes[] = { - 2 * GiB, 1 * GiB, 512 * MiB, 256 * MiB, 128 * MiB, 64 * MiB, - 32 * MiB, 0 -}; - struct boot_info { uint32_t dt_base; uint32_t dt_size; @@ -273,7 +266,6 @@ static void sam460ex_init(MachineState *machine) { MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *isa = g_new(MemoryRegion, 1); - Ppc4xxSdramBank *ram_banks = g_new0(Ppc4xxSdramBank, 1); MemoryRegion *l2cache_ram = g_new(MemoryRegion, 1); DeviceState *uic[4]; int i; @@ -340,12 +332,22 @@ static void sam460ex_init(MachineState *machine) } /* SDRAM controller */ - /* put all RAM on first bank because board has one slot - * and firmware only checks that */ - ppc4xx_sdram_banks(machine->ram, 1, ram_banks, ppc460ex_sdram_bank_sizes); - + /* The SoC could also handle 4 GiB but firmware does not work with that. */ + if (machine->ram_size > 2 * GiB) { + error_report("Memory over 2 GiB is not supported"); + exit(1); + } + /* Firmware needs at least 64 MiB */ + if (machine->ram_size < 64 * MiB) { + error_report("Memory below 64 MiB is not supported"); + exit(1); + } + /* + * Put all RAM on first bank because board has one slot + * and firmware only checks that + */ + ppc440_sdram_init(env, 1, machine->ram); /* FIXME: does 460EX have ECC interrupts? */ - ppc440_sdram_init(env, 1, ram_banks); /* Enable SDRAM memory regions as we may boot without firmware */ ppc4xx_sdram_ddr2_enable(env); @@ -354,8 +356,8 @@ static void sam460ex_init(MachineState *machine) qdev_get_gpio_in(uic[0], 2)); i2c = PPC4xx_I2C(dev)->bus; /* SPD EEPROM on RAM module */ - spd_data = spd_data_generate(ram_banks->size < 128 * MiB ? DDR : DDR2, - ram_banks->size); + spd_data = spd_data_generate(machine->ram_size < 128 * MiB ? DDR : DDR2, + machine->ram_size); spd_data[20] = 4; /* SO-DIMM module */ smbus_eeprom_init_one(i2c, 0x50, spd_data); /* RTC */ -- 2.30.4