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Wed, 18 Aug 2021 21:04:00 -0700 From: Tong Ho To: Subject: [PATCH 7/9] hw/arm: xlnx-versal: Add Xilinx eFUSE device Date: Wed, 18 Aug 2021 21:03:06 -0700 Message-ID: <20210819040308.675057-8-tong.ho@xilinx.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210819040308.675057-1-tong.ho@xilinx.com> References: <20210819040308.675057-1-tong.ho@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 315376be-910d-4ca0-1d26-08d962c6652a X-MS-TrafficTypeDiagnostic: SN4PR0201MB8808: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:167; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.62.198; 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envelope-from=tongh@xilinx.com; helo=NAM02-SN1-obe.outbound.protection.outlook.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgar.iglesias@gmail.com, alistair@alistair23.me, tong.ho@xilinx.com, qemu-devel@nongnu.org, peter.maydell@linaro.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Connect the support for Versal eFUSE one-time field-programmable bit array. Signed-off-by: Tong Ho --- hw/arm/xlnx-versal-virt.c | 36 +++++++++++++++++++++++++++++++++ hw/arm/xlnx-versal.c | 39 ++++++++++++++++++++++++++++++++++++ include/hw/arm/xlnx-versal.h | 12 +++++++++++ 3 files changed, 87 insertions(+) diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c index d9e2a6a853..04da6c4517 100644 --- a/hw/arm/xlnx-versal-virt.c +++ b/hw/arm/xlnx-versal-virt.c @@ -376,6 +376,40 @@ static void fdt_add_bbram_node(VersalVirt *s) g_free(name); } +static void fdt_add_efuse_ctrl_node(VersalVirt *s) +{ + const char compat[] = TYPE_XLNX_VERSAL_EFUSE_CTRL; + const char interrupt_names[] = "pmc_efuse"; + char *name = g_strdup_printf("/pmc_efuse@%x", MM_PMC_EFUSE_CTRL); + + qemu_fdt_add_subnode(s->fdt, name); + + qemu_fdt_setprop_cells(s->fdt, name, "interrupts", + GIC_FDT_IRQ_TYPE_SPI, VERSAL_EFUSE_IRQ, + GIC_FDT_IRQ_FLAGS_LEVEL_HI); + qemu_fdt_setprop(s->fdt, name, "interrupt-names", + interrupt_names, sizeof(interrupt_names)); + qemu_fdt_setprop_sized_cells(s->fdt, name, "reg", + 2, MM_PMC_EFUSE_CTRL, + 2, MM_PMC_EFUSE_CTRL_SIZE); + qemu_fdt_setprop(s->fdt, name, "compatible", compat, sizeof(compat)); + g_free(name); +} + +static void fdt_add_efuse_cache_node(VersalVirt *s) +{ + const char compat[] = TYPE_XLNX_VERSAL_EFUSE_CACHE; + char *name = g_strdup_printf("/xlnx_pmc_efuse_cache@%x", MM_PMC_EFUSE_CACHE); + + qemu_fdt_add_subnode(s->fdt, name); + + qemu_fdt_setprop_sized_cells(s->fdt, name, "reg", + 2, MM_PMC_EFUSE_CACHE, + 2, MM_PMC_EFUSE_CACHE_SIZE); + qemu_fdt_setprop(s->fdt, name, "compatible", compat, sizeof(compat)); + g_free(name); +} + static void fdt_nop_memory_nodes(void *fdt, Error **errp) { Error *err = NULL; @@ -591,6 +625,8 @@ static void versal_virt_init(MachineState *machine) fdt_add_sd_nodes(s); fdt_add_rtc_node(s); fdt_add_bbram_node(s); + fdt_add_efuse_ctrl_node(s); + fdt_add_efuse_cache_node(s); fdt_add_cpu_nodes(s, psci_conduit); fdt_add_clk_node(s, "/clk125", 125000000, s->phandle.clk_125Mhz); fdt_add_clk_node(s, "/clk25", 25000000, s->phandle.clk_25Mhz); diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index 46d7f42a6b..d278d6e0f4 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -329,6 +329,44 @@ static void versal_create_bbram(Versal *s, qemu_irq *pic) sysbus_connect_irq(sbd, 0, pic[VERSAL_BBRAM_APB_IRQ_0]); } +static void versal_realize_efuse_part(Versal *s, Object *dev, hwaddr base) +{ + SysBusDevice *part = SYS_BUS_DEVICE(dev); + + object_property_set_link(OBJECT(part), "efuse", + OBJECT(&s->pmc.efuse.bits), &error_abort); + + sysbus_realize(part, &error_abort); + memory_region_add_subregion(&s->mr_ps, base, + sysbus_mmio_get_region(part, 0)); +} + +static void versal_create_efuse(Versal *s, qemu_irq *pic) +{ + Object *bits = OBJECT(&s->pmc.efuse.bits); + Object *ctrl = OBJECT(&s->pmc.efuse.ctrl); + Object *cache = OBJECT(&s->pmc.efuse.cache); + + object_initialize_child(OBJECT(s), "efuse-ctrl", &s->pmc.efuse.ctrl, + TYPE_XLNX_VERSAL_EFUSE_CTRL); + + object_initialize_child(OBJECT(s), "efuse-cache", &s->pmc.efuse.cache, + TYPE_XLNX_VERSAL_EFUSE_CACHE); + + object_initialize_child_with_props(ctrl, "efuse-bits", bits, + sizeof(s->pmc.efuse.bits), + TYPE_XLNX_EFUSE, &error_abort, + "efuse-nr", "3", + "efuse-size", "8192", + NULL); + + qdev_realize(DEVICE(bits), NULL, &error_abort); + versal_realize_efuse_part(s, ctrl, MM_PMC_EFUSE_CTRL); + versal_realize_efuse_part(s, cache, MM_PMC_EFUSE_CACHE); + + sysbus_connect_irq(SYS_BUS_DEVICE(ctrl), 0, pic[VERSAL_EFUSE_IRQ]); +} + /* This takes the board allocated linear DDR memory and creates aliases * for each split DDR range/aperture on the Versal address map. */ @@ -416,6 +454,7 @@ static void versal_realize(DeviceState *dev, Error **errp) versal_create_rtc(s, pic); versal_create_xrams(s, pic); versal_create_bbram(s, pic); + versal_create_efuse(s, pic); versal_map_ddr(s); versal_unimp(s); diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h index 7719e8c4d2..33b89f00b6 100644 --- a/include/hw/arm/xlnx-versal.h +++ b/include/hw/arm/xlnx-versal.h @@ -25,6 +25,7 @@ #include "hw/usb/xlnx-usb-subsystem.h" #include "hw/misc/xlnx-versal-xramc.h" #include "hw/nvram/xlnx-bbram.h" +#include "hw/nvram/xlnx-versal-efuse.h" #define TYPE_XLNX_VERSAL "xlnx-versal" OBJECT_DECLARE_SIMPLE_TYPE(Versal, XLNX_VERSAL) @@ -81,6 +82,11 @@ struct Versal { XlnxZynqMPRTC rtc; XlnxBBRam bbram; + struct { + XlnxVersalEFuseCtrl ctrl; + XlnxVersalEFuseCache cache; + XLNXEFuse bits; + } efuse; } pmc; struct { @@ -110,6 +116,7 @@ struct Versal { #define VERSAL_BBRAM_APB_IRQ_0 121 #define VERSAL_RTC_APB_ERR_IRQ 121 #define VERSAL_SD0_IRQ_0 126 +#define VERSAL_EFUSE_IRQ 139 #define VERSAL_RTC_ALARM_IRQ 142 #define VERSAL_RTC_SECONDS_IRQ 143 @@ -175,6 +182,11 @@ struct Versal { #define MM_PMC_SD0_SIZE 0x10000 #define MM_PMC_BBRAM_CTRL 0xf11f0000 #define MM_PMC_BBRAM_CTRL_SIZE 0x00050 +#define MM_PMC_EFUSE_CTRL 0xf1240000 +#define MM_PMC_EFUSE_CTRL_SIZE 0x00104 +#define MM_PMC_EFUSE_CACHE 0xf1250000 +#define MM_PMC_EFUSE_CACHE_SIZE 0x00C00 + #define MM_PMC_CRP 0xf1260000U #define MM_PMC_CRP_SIZE 0x10000 #define MM_PMC_RTC 0xf12a0000