From patchwork Thu Aug 8 02:49:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756907 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 8D927C3DA7F for ; Thu, 8 Aug 2024 02:51:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDZ-0006nX-7w; Wed, 07 Aug 2024 22:49:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDY-0006iv-2R; Wed, 07 Aug 2024 22:49:32 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDW-0008AE-I3; Wed, 07 Aug 2024 22:49:31 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:16 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:16 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , Subject: [PATCH v2 01/11] hw/i2c/aspeed: support discontinuous register memory region of I2C bus Date: Thu, 8 Aug 2024 10:49:06 +0800 Message-ID: <20240808024916.1262715-2-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org It only support continuous register memory region for all I2C bus. However, the register address of all I2c bus are discontinuous for AST2700. Ex: the register address of I2C bus for ast2700 as following. 0x100 - 0x17F: Device 0 0x200 - 0x27F: Device 1 0x300 - 0x37F: Device 2 0x400 - 0x47F: Device 3 0x500 - 0x57F: Device 4 0x600 - 0x67F: Device 5 0x700 - 0x77F: Device 6 0x800 - 0x87F: Device 7 0x900 - 0x97F: Device 8 0xA00 - 0xA7F: Device 9 0xB00 - 0xB7F: Device 10 0xC00 - 0xC7F: Device 11 0xD00 - 0xD7F: Device 12 0xE00 - 0xE7F: Device 13 0xF00 – 0xF7F: Device 14 0x1000 – 0x107F: Device 15 Introduce a new class attribute to make user set each I2C bus gap size. Update formula to create all I2C bus register memory regions. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/i2c/aspeed_i2c.c | 3 ++- include/hw/i2c/aspeed_i2c.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index b52a99896c..9c222a02fe 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -1012,6 +1012,7 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) SysBusDevice *sbd = SYS_BUS_DEVICE(dev); AspeedI2CState *s = ASPEED_I2C(dev); AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(s); + uint32_t reg_offset = aic->reg_size + aic->reg_gap_size; sysbus_init_irq(sbd, &s->irq); memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i2c_ctrl_ops, s, @@ -1034,7 +1035,7 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) return; } - memory_region_add_subregion(&s->iomem, aic->reg_size * (i + offset), + memory_region_add_subregion(&s->iomem, reg_offset * (i + offset), &s->busses[i].mr); } diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index fad5e9259a..02ede85906 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -275,6 +275,7 @@ struct AspeedI2CClass { uint8_t num_busses; uint8_t reg_size; + uint32_t reg_gap_size; uint8_t gap; qemu_irq (*bus_get_irq)(AspeedI2CBus *); From patchwork Thu Aug 8 02:49:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756901 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 E0F55C3DA7F for ; Thu, 8 Aug 2024 02:50:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDc-00072h-Rc; Wed, 07 Aug 2024 22:49:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDa-0006tw-Nj; Wed, 07 Aug 2024 22:49:34 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDY-0008AE-Sn; Wed, 07 Aug 2024 22:49:34 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:17 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:17 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH v2 02/11] hw/i2c/aspeed: introduce a new bus pool buffer attribute in AspeedI2Cbus Date: Thu, 8 Aug 2024 10:49:07 +0800 Message-ID: <20240808024916.1262715-3-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org According to the datasheet of ASPEED SOCs, each I2C bus has their own pool buffer since AST2500. Only AST2400 utilized a pool buffer share to all I2C bus. Besides, using a share pool buffer only support pool buffer memory regions are continuous for all I2C bus. To make this model more readable and support discontinuous bus pool buffer memory regions, changes to introduce a new bus pool buffer attribute in AspeedI2Cbus and new memops. So, it does not need to calculate the pool buffer offset for different I2C bus. Introduce a new has_share_pool class attribute in AspeedI2CClass and use it to create either a share pool buffer or bus pool buffers in aspeed_i2c_realize. Update each pull buffer size to 0x10 for AST2500 and 0x20 for AST2600 and AST1030. Incrementing the version of aspeed_i2c_bus_vmstate to 6. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/i2c/aspeed_i2c.c | 131 +++++++++++++++++++++++++++++++----- include/hw/i2c/aspeed_i2c.h | 4 ++ 2 files changed, 117 insertions(+), 18 deletions(-) diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index 9c222a02fe..d3d49340ea 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -941,12 +941,48 @@ static const MemoryRegionOps aspeed_i2c_share_pool_ops = { }, }; +static uint64_t aspeed_i2c_bus_pool_read(void *opaque, hwaddr offset, + unsigned size) +{ + AspeedI2CBus *s = opaque; + uint64_t ret = 0; + int i; + + for (i = 0; i < size; i++) { + ret |= (uint64_t) s->pool[offset + i] << (8 * i); + } + + return ret; +} + +static void aspeed_i2c_bus_pool_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + AspeedI2CBus *s = opaque; + int i; + + for (i = 0; i < size; i++) { + s->pool[offset + i] = (value >> (8 * i)) & 0xFF; + } +} + +static const MemoryRegionOps aspeed_i2c_bus_pool_ops = { + .read = aspeed_i2c_bus_pool_read, + .write = aspeed_i2c_bus_pool_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 1, + .max_access_size = 4, + }, +}; + static const VMStateDescription aspeed_i2c_bus_vmstate = { .name = TYPE_ASPEED_I2C, - .version_id = 5, - .minimum_version_id = 5, + .version_id = 6, + .minimum_version_id = 6, .fields = (const VMStateField[]) { VMSTATE_UINT32_ARRAY(regs, AspeedI2CBus, ASPEED_I2C_NEW_NUM_REG), + VMSTATE_UINT8_ARRAY(pool, AspeedI2CBus, ASPEED_I2C_BUS_POOL_SIZE), VMSTATE_END_OF_LIST() } }; @@ -996,7 +1032,21 @@ static void aspeed_i2c_instance_init(Object *obj) * 0x140 ... 0x17F: Device 5 * 0x180 ... 0x1BF: Device 6 * 0x1C0 ... 0x1FF: Device 7 - * 0x200 ... 0x2FF: Buffer Pool (AST2500 unused in linux driver) + * 0x200 ... 0x20F: Device 1 buffer (AST2500 unused in linux driver) + * 0x210 ... 0x21F: Device 2 buffer + * 0x220 ... 0x22F: Device 3 buffer + * 0x230 ... 0x23F: Device 4 buffer + * 0x240 ... 0x24F: Device 5 buffer + * 0x250 ... 0x25F: Device 6 buffer + * 0x260 ... 0x26F: Device 7 buffer + * 0x270 ... 0x27F: Device 8 buffer + * 0x280 ... 0x28F: Device 9 buffer + * 0x290 ... 0x29F: Device 10 buffer + * 0x2A0 ... 0x2AF: Device 11 buffer + * 0x2B0 ... 0x2BF: Device 12 buffer + * 0x2C0 ... 0x2CF: Device 13 buffer + * 0x2D0 ... 0x2DF: Device 14 buffer + * 0x2E0 ... 0x2FF: Reserved * 0x300 ... 0x33F: Device 8 * 0x340 ... 0x37F: Device 9 * 0x380 ... 0x3BF: Device 10 @@ -1005,6 +1055,41 @@ static void aspeed_i2c_instance_init(Object *obj) * 0x440 ... 0x47F: Device 13 * 0x480 ... 0x4BF: Device 14 * 0x800 ... 0xFFF: Buffer Pool (AST2400 unused in linux driver) + * + * Address Definitions (AST2600 and AST1030) + * 0x000 ... 0x07F: Global Register + * 0x080 ... 0x0FF: Device 1 + * 0x100 ... 0x17F: Device 2 + * 0x180 ... 0x1FF: Device 3 + * 0x200 ... 0x27F: Device 4 + * 0x280 ... 0x2FF: Device 5 + * 0x300 ... 0x37F: Device 6 + * 0x380 ... 0x3FF: Device 7 + * 0x400 ... 0x47F: Device 8 + * 0x480 ... 0x4FF: Device 9 + * 0x500 ... 0x57F: Device 10 + * 0x580 ... 0x5FF: Device 11 + * 0x600 ... 0x67F: Device 12 + * 0x680 ... 0x6FF: Device 13 + * 0x700 ... 0x77F: Device 14 + * 0x780 ... 0x7FF: Device 15 (15 and 16 unused in AST1030) + * 0x800 ... 0x87F: Device 16 + * 0xC00 ... 0xC1F: Device 1 buffer + * 0xC20 ... 0xC3F: Device 2 buffer + * 0xC40 ... 0xC5F: Device 3 buffer + * 0xC60 ... 0xC7F: Device 4 buffer + * 0xC80 ... 0xC9F: Device 5 buffer + * 0xCA0 ... 0xCBF: Device 6 buffer + * 0xCC0 ... 0xCDF: Device 7 buffer + * 0xCE0 ... 0xCFF: Device 8 buffer + * 0xD00 ... 0xD1F: Device 9 buffer + * 0xD20 ... 0xD3F: Device 10 buffer + * 0xD40 ... 0xD5F: Device 11 buffer + * 0xD60 ... 0xD7F: Device 12 buffer + * 0xD80 ... 0xD9F: Device 13 buffer + * 0xDA0 ... 0xDBF: Device 14 buffer + * 0xDC0 ... 0xDDF: Device 15 buffer (15 and 16 unused in AST1030) + * 0xDE0 ... 0xDFF: Device 16 buffer */ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) { @@ -1039,10 +1124,19 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) &s->busses[i].mr); } - memory_region_init_io(&s->pool_iomem, OBJECT(s), - &aspeed_i2c_share_pool_ops, s, - "aspeed.i2c-share-pool", aic->pool_size); - memory_region_add_subregion(&s->iomem, aic->pool_base, &s->pool_iomem); + if (aic->has_share_pool) { + memory_region_init_io(&s->pool_iomem, OBJECT(s), + &aspeed_i2c_share_pool_ops, s, + "aspeed.i2c-share-pool", aic->pool_size); + memory_region_add_subregion(&s->iomem, aic->pool_base, + &s->pool_iomem); + } else { + for (i = 0; i < aic->num_busses; i++) { + memory_region_add_subregion(&s->iomem, + aic->pool_base + (aic->pool_size * i), + &s->busses[i].mr_pool); + } + } if (aic->has_dma) { if (!s->dram_mr) { @@ -1218,6 +1312,7 @@ static void aspeed_i2c_bus_realize(DeviceState *dev, Error **errp) AspeedI2CBus *s = ASPEED_I2C_BUS(dev); AspeedI2CClass *aic; g_autofree char *name = g_strdup_printf(TYPE_ASPEED_I2C_BUS ".%d", s->id); + g_autofree char *pool_name = g_strdup_printf("%s.pool", name); if (!s->controller) { error_setg(errp, TYPE_ASPEED_I2C_BUS ": 'controller' link not set"); @@ -1235,6 +1330,10 @@ static void aspeed_i2c_bus_realize(DeviceState *dev, Error **errp) memory_region_init_io(&s->mr, OBJECT(s), &aspeed_i2c_bus_ops, s, name, aic->reg_size); sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mr); + + memory_region_init_io(&s->mr_pool, OBJECT(s), &aspeed_i2c_bus_pool_ops, + s, pool_name, aic->pool_size); + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mr_pool); } static Property aspeed_i2c_bus_properties[] = { @@ -1287,6 +1386,7 @@ static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data) aic->reg_size = 0x40; aic->gap = 7; aic->bus_get_irq = aspeed_2400_i2c_bus_get_irq; + aic->has_share_pool = true; aic->pool_size = 0x800; aic->pool_base = 0x800; aic->bus_pool_base = aspeed_2400_i2c_bus_pool_base; @@ -1306,7 +1406,7 @@ static qemu_irq aspeed_2500_i2c_bus_get_irq(AspeedI2CBus *bus) static uint8_t *aspeed_2500_i2c_bus_pool_base(AspeedI2CBus *bus) { - return &bus->controller->share_pool[bus->id * 0x10]; + return bus->pool; } static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) @@ -1320,7 +1420,7 @@ static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) aic->reg_size = 0x40; aic->gap = 7; aic->bus_get_irq = aspeed_2500_i2c_bus_get_irq; - aic->pool_size = 0x100; + aic->pool_size = 0x10; aic->pool_base = 0x200; aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base; aic->check_sram = true; @@ -1339,11 +1439,6 @@ static qemu_irq aspeed_2600_i2c_bus_get_irq(AspeedI2CBus *bus) return bus->irq; } -static uint8_t *aspeed_2600_i2c_bus_pool_base(AspeedI2CBus *bus) -{ - return &bus->controller->share_pool[bus->id * 0x20]; -} - static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -1355,9 +1450,9 @@ static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data) aic->reg_size = 0x80; aic->gap = -1; /* no gap */ aic->bus_get_irq = aspeed_2600_i2c_bus_get_irq; - aic->pool_size = 0x200; + aic->pool_size = 0x20; aic->pool_base = 0xC00; - aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base; + aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base; aic->has_dma = true; aic->mem_size = 0x1000; } @@ -1379,9 +1474,9 @@ static void aspeed_1030_i2c_class_init(ObjectClass *klass, void *data) aic->reg_size = 0x80; aic->gap = -1; /* no gap */ aic->bus_get_irq = aspeed_2600_i2c_bus_get_irq; - aic->pool_size = 0x200; + aic->pool_size = 0x20; aic->pool_base = 0xC00; - aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base; + aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base; aic->has_dma = true; aic->mem_size = 0x10000; } diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index 02ede85906..8e62ec64f8 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -35,6 +35,7 @@ OBJECT_DECLARE_TYPE(AspeedI2CState, AspeedI2CClass, ASPEED_I2C) #define ASPEED_I2C_NR_BUSSES 16 #define ASPEED_I2C_SHARE_POOL_SIZE 0x800 +#define ASPEED_I2C_BUS_POOL_SIZE 0x20 #define ASPEED_I2C_OLD_NUM_REG 11 #define ASPEED_I2C_NEW_NUM_REG 22 @@ -239,12 +240,14 @@ struct AspeedI2CBus { I2CSlave *slave; MemoryRegion mr; + MemoryRegion mr_pool; I2CBus *bus; uint8_t id; qemu_irq irq; uint32_t regs[ASPEED_I2C_NEW_NUM_REG]; + uint8_t pool[ASPEED_I2C_BUS_POOL_SIZE]; }; struct AspeedI2CState { @@ -284,6 +287,7 @@ struct AspeedI2CClass { uint8_t *(*bus_pool_base)(AspeedI2CBus *); bool check_sram; bool has_dma; + bool has_share_pool; uint64_t mem_size; }; From patchwork Thu Aug 8 02:49:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756908 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 2D967C52D6F for ; Thu, 8 Aug 2024 02:51:51 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDf-0007Ds-Eh; Wed, 07 Aug 2024 22:49:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDd-00075A-Cj; Wed, 07 Aug 2024 22:49:37 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDb-0008AE-RV; Wed, 07 Aug 2024 22:49:37 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:17 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:17 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , Subject: [PATCH v2 03/11] hw/i2c/aspeed: support discontinuous poll buffer memory region of I2C bus Date: Thu, 8 Aug 2024 10:49:08 +0800 Message-ID: <20240808024916.1262715-4-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org It only support continuous pool buffer memory region for all I2C bus. However, the pool buffer address of all I2c bus are discontinuous for AST2700. Ex: the pool buffer address of I2C bus for ast2700 as following. 0x1A0 - 0x1BF: Device 0 buffer 0x2A0 - 0x2BF: Device 1 buffer 0x3A0 - 0x3BF: Device 2 buffer 0x4A0 - 0x4BF: Device 3 buffer 0x5A0 - 0x5BF: Device 4 buffer 0x6A0 - 0x6BF: Device 5 buffer 0x7A0 - 0x7BF: Device 6 buffer 0x8A0 - 0x8BF: Device 7 buffer 0x9A0 - 0x9BF: Device 8 buffer 0xAA0 - 0xABF: Device 9 buffer 0xBA0 - 0xBBF: Device 10 buffer 0xCA0 - 0xCBF: Device 11 buffer 0xDA0 - 0xDBF: Device 12 buffer 0xEA0 - 0xEBF: Device 13 buffer 0xFA0 – 0xFBF: Device 14 buffer 0x10A0 – 0x10BF: Device 15 buffer Introduce a new class attribute to make user set each I2C bus pool buffer gap size. Update formula to create all I2C bus pool buffer memory regions. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/i2c/aspeed_i2c.c | 3 ++- include/hw/i2c/aspeed_i2c.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index d3d49340ea..abcb1d5330 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -1098,6 +1098,7 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) AspeedI2CState *s = ASPEED_I2C(dev); AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(s); uint32_t reg_offset = aic->reg_size + aic->reg_gap_size; + uint32_t pool_offset = aic->pool_size + aic->pool_gap_size; sysbus_init_irq(sbd, &s->irq); memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i2c_ctrl_ops, s, @@ -1133,7 +1134,7 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) } else { for (i = 0; i < aic->num_busses; i++) { memory_region_add_subregion(&s->iomem, - aic->pool_base + (aic->pool_size * i), + aic->pool_base + (pool_offset * i), &s->busses[i].mr_pool); } } diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index 8e62ec64f8..b42c4dc584 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -284,6 +284,7 @@ struct AspeedI2CClass { uint64_t pool_size; hwaddr pool_base; + uint32_t pool_gap_size; uint8_t *(*bus_pool_base)(AspeedI2CBus *); bool check_sram; bool has_dma; From patchwork Thu Aug 8 02:49:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756903 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 6AF90C3DA7F for ; Thu, 8 Aug 2024 02:51:05 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDi-0007OY-0O; Wed, 07 Aug 2024 22:49:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDf-0007G1-Vl; Wed, 07 Aug 2024 22:49:39 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDe-0008AE-6y; Wed, 07 Aug 2024 22:49:39 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:17 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:17 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , Subject: [PATCH v2 04/11] hw/i2c/aspeed: introduce a new dma_dram_offset attribute in AspeedI2Cbus Date: Thu, 8 Aug 2024 10:49:09 +0800 Message-ID: <20240808024916.1262715-5-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The "Current DMA Operating Address Status(0x50)" register of I2C new mode has been removed in AST2700. This register is used for debugging and it is a read only register. To support AST2700 DMA mode, introduce a new dma_dram_offset class attribute in AspeedI2Cbus to save the current DMA operating address. ASPEED AST2700 SOC is a 64 bits quad core CPUs (Cortex-a35) And the base address of dram is "0x4 00000000" which is 64bits address. Set the dma_dram_offset data type to uint64_t for 64 bits dram address DMA support. Both "DMA Mode Buffer Address Register(I2CD24 old mode)" and "DMA Operating Address Status (I2CC50 new mode)" are used for showing the low part dram offset bits [31:0], so change to read/write both register bits [31:0] in bus register read/write functions. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/i2c/aspeed_i2c.c | 51 +++++++++++++++++++++++-------------- include/hw/i2c/aspeed_i2c.h | 9 +------ 2 files changed, 33 insertions(+), 27 deletions(-) diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index abcb1d5330..2dea3a42a0 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -114,7 +114,10 @@ static uint64_t aspeed_i2c_bus_old_read(AspeedI2CBus *bus, hwaddr offset, if (!aic->has_dma) { qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA support\n", __func__); value = -1; + break; } + + value = extract64(bus->dma_dram_offset, 0, 32); break; case A_I2CD_DMA_LEN: if (!aic->has_dma) { @@ -150,9 +153,7 @@ static uint64_t aspeed_i2c_bus_new_read(AspeedI2CBus *bus, hwaddr offset, case A_I2CM_DMA_TX_ADDR: case A_I2CM_DMA_RX_ADDR: case A_I2CM_DMA_LEN_STS: - case A_I2CC_DMA_ADDR: case A_I2CC_DMA_LEN: - case A_I2CS_DEV_ADDR: case A_I2CS_DMA_RX_ADDR: case A_I2CS_DMA_LEN: @@ -161,6 +162,9 @@ static uint64_t aspeed_i2c_bus_new_read(AspeedI2CBus *bus, hwaddr offset, case A_I2CS_DMA_LEN_STS: /* Value is already set, don't do anything. */ break; + case A_I2CC_DMA_ADDR: + value = extract64(bus->dma_dram_offset, 0, 32); + break; case A_I2CS_INTR_STS: break; case A_I2CM_CMD: @@ -210,18 +214,18 @@ static int aspeed_i2c_dma_read(AspeedI2CBus *bus, uint8_t *data) { MemTxResult result; AspeedI2CState *s = bus->controller; - uint32_t reg_dma_addr = aspeed_i2c_bus_dma_addr_offset(bus); uint32_t reg_dma_len = aspeed_i2c_bus_dma_len_offset(bus); - result = address_space_read(&s->dram_as, bus->regs[reg_dma_addr], + result = address_space_read(&s->dram_as, bus->dma_dram_offset, MEMTXATTRS_UNSPECIFIED, data, 1); if (result != MEMTX_OK) { - qemu_log_mask(LOG_GUEST_ERROR, "%s: DRAM read failed @%08x\n", - __func__, bus->regs[reg_dma_addr]); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: DRAM read failed @%" PRIx64 "\n", + __func__, bus->dma_dram_offset); return -1; } - bus->regs[reg_dma_addr]++; + bus->dma_dram_offset++; bus->regs[reg_dma_len]--; return 0; } @@ -291,7 +295,6 @@ static void aspeed_i2c_bus_recv(AspeedI2CBus *bus) uint32_t reg_pool_ctrl = aspeed_i2c_bus_pool_ctrl_offset(bus); uint32_t reg_byte_buf = aspeed_i2c_bus_byte_buf_offset(bus); uint32_t reg_dma_len = aspeed_i2c_bus_dma_len_offset(bus); - uint32_t reg_dma_addr = aspeed_i2c_bus_dma_addr_offset(bus); int pool_rx_count = SHARED_ARRAY_FIELD_EX32(bus->regs, reg_pool_ctrl, RX_SIZE) + 1; @@ -323,14 +326,17 @@ static void aspeed_i2c_bus_recv(AspeedI2CBus *bus) data = i2c_recv(bus->bus); trace_aspeed_i2c_bus_recv("DMA", bus->regs[reg_dma_len], bus->regs[reg_dma_len], data); - result = address_space_write(&s->dram_as, bus->regs[reg_dma_addr], + + result = address_space_write(&s->dram_as, bus->dma_dram_offset, MEMTXATTRS_UNSPECIFIED, &data, 1); if (result != MEMTX_OK) { - qemu_log_mask(LOG_GUEST_ERROR, "%s: DRAM write failed @%08x\n", - __func__, bus->regs[reg_dma_addr]); + qemu_log_mask(LOG_GUEST_ERROR, + "%s: DRAM write failed @%" PRIx64 "\n", + __func__, bus->dma_dram_offset); return; } - bus->regs[reg_dma_addr]++; + + bus->dma_dram_offset++; bus->regs[reg_dma_len]--; /* In new mode, keep track of how many bytes we RXed */ if (aspeed_i2c_is_new_mode(bus->controller)) { @@ -636,14 +642,18 @@ static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, case A_I2CM_DMA_TX_ADDR: bus->regs[R_I2CM_DMA_TX_ADDR] = FIELD_EX32(value, I2CM_DMA_TX_ADDR, ADDR); - bus->regs[R_I2CC_DMA_ADDR] = FIELD_EX32(value, I2CM_DMA_TX_ADDR, ADDR); + bus->dma_dram_offset = + deposit64(bus->dma_dram_offset, 0, 32, + FIELD_EX32(value, I2CM_DMA_TX_ADDR, ADDR)); bus->regs[R_I2CC_DMA_LEN] = ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, TX_BUF_LEN) + 1; break; case A_I2CM_DMA_RX_ADDR: bus->regs[R_I2CM_DMA_RX_ADDR] = FIELD_EX32(value, I2CM_DMA_RX_ADDR, ADDR); - bus->regs[R_I2CC_DMA_ADDR] = FIELD_EX32(value, I2CM_DMA_RX_ADDR, ADDR); + bus->dma_dram_offset = + deposit64(bus->dma_dram_offset, 0, 32, + FIELD_EX32(value, I2CM_DMA_RX_ADDR, ADDR)); bus->regs[R_I2CC_DMA_LEN] = ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, RX_BUF_LEN) + 1; break; @@ -811,7 +821,8 @@ static void aspeed_i2c_bus_old_write(AspeedI2CBus *bus, hwaddr offset, break; } - bus->regs[R_I2CD_DMA_ADDR] = value & 0x3ffffffc; + bus->dma_dram_offset = deposit64(bus->dma_dram_offset, 0, 32, + value & 0x3ffffffc); break; case A_I2CD_DMA_LEN: @@ -983,6 +994,7 @@ static const VMStateDescription aspeed_i2c_bus_vmstate = { .fields = (const VMStateField[]) { VMSTATE_UINT32_ARRAY(regs, AspeedI2CBus, ASPEED_I2C_NEW_NUM_REG), VMSTATE_UINT8_ARRAY(pool, AspeedI2CBus, ASPEED_I2C_BUS_POOL_SIZE), + VMSTATE_UINT64(dma_dram_offset, AspeedI2CBus), VMSTATE_END_OF_LIST() } }; @@ -1188,8 +1200,9 @@ static int aspeed_i2c_bus_new_slave_event(AspeedI2CBus *bus, return -1; } ARRAY_FIELD_DP32(bus->regs, I2CS_DMA_LEN_STS, RX_LEN, 0); - bus->regs[R_I2CC_DMA_ADDR] = - ARRAY_FIELD_EX32(bus->regs, I2CS_DMA_RX_ADDR, ADDR); + bus->dma_dram_offset = + deposit64(bus->dma_dram_offset, 0, 32, + ARRAY_FIELD_EX32(bus->regs, I2CS_DMA_RX_ADDR, ADDR)); bus->regs[R_I2CC_DMA_LEN] = ARRAY_FIELD_EX32(bus->regs, I2CS_DMA_LEN, RX_BUF_LEN) + 1; i2c_ack(bus->bus); @@ -1255,10 +1268,10 @@ static int aspeed_i2c_bus_slave_event(I2CSlave *slave, enum i2c_event event) static void aspeed_i2c_bus_new_slave_send_async(AspeedI2CBus *bus, uint8_t data) { assert(address_space_write(&bus->controller->dram_as, - bus->regs[R_I2CC_DMA_ADDR], + bus->dma_dram_offset, MEMTXATTRS_UNSPECIFIED, &data, 1) == MEMTX_OK); - bus->regs[R_I2CC_DMA_ADDR]++; + bus->dma_dram_offset++; bus->regs[R_I2CC_DMA_LEN]--; ARRAY_FIELD_DP32(bus->regs, I2CS_DMA_LEN_STS, RX_LEN, ARRAY_FIELD_EX32(bus->regs, I2CS_DMA_LEN_STS, RX_LEN) + 1); diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index b42c4dc584..bdaea3207d 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -248,6 +248,7 @@ struct AspeedI2CBus { uint32_t regs[ASPEED_I2C_NEW_NUM_REG]; uint8_t pool[ASPEED_I2C_BUS_POOL_SIZE]; + uint64_t dma_dram_offset; }; struct AspeedI2CState { @@ -369,14 +370,6 @@ static inline uint32_t aspeed_i2c_bus_dma_len_offset(AspeedI2CBus *bus) return R_I2CD_DMA_LEN; } -static inline uint32_t aspeed_i2c_bus_dma_addr_offset(AspeedI2CBus *bus) -{ - if (aspeed_i2c_is_new_mode(bus->controller)) { - return R_I2CC_DMA_ADDR; - } - return R_I2CD_DMA_ADDR; -} - static inline bool aspeed_i2c_bus_is_master(AspeedI2CBus *bus) { return SHARED_ARRAY_FIELD_EX32(bus->regs, aspeed_i2c_bus_ctrl_offset(bus), From patchwork Thu Aug 8 02:49:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756902 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 470B7C52D6F for ; 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Thu, 8 Aug 2024 10:49:17 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , Subject: [PATCH v2 05/11] hw/i2c/aspeed: Add AST2700 support Date: Thu, 8 Aug 2024 10:49:10 +0800 Message-ID: <20240808024916.1262715-6-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Introduce a new ast2700 class to support AST2700. The I2C bus register memory regions and I2C bus pool buffer memory regions are discontinuous and they do not back compatible AST2600. Add a new ast2700 i2c class init function to match the address of I2C bus register and pool buffer from the datasheet. An I2C controller registers owns 8KB address space. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/i2c/aspeed_i2c.c | 62 +++++++++++++++++++++++++++++++++++++ include/hw/i2c/aspeed_i2c.h | 1 + 2 files changed, 63 insertions(+) diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index 2dea3a42a0..819a875839 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -1102,6 +1102,41 @@ static void aspeed_i2c_instance_init(Object *obj) * 0xDA0 ... 0xDBF: Device 14 buffer * 0xDC0 ... 0xDDF: Device 15 buffer (15 and 16 unused in AST1030) * 0xDE0 ... 0xDFF: Device 16 buffer + * + * Address Definitions (AST2700) + * 0x000 ... 0x0FF: Global Register + * 0x100 ... 0x17F: Device 0 + * 0x1A0 ... 0x1BF: Device 0 buffer + * 0x200 ... 0x27F: Device 1 + * 0x2A0 ... 0x2BF: Device 1 buffer + * 0x300 ... 0x37F: Device 2 + * 0x3A0 ... 0x3BF: Device 2 buffer + * 0x400 ... 0x47F: Device 3 + * 0x4A0 ... 0x4BF: Device 3 buffer + * 0x500 ... 0x57F: Device 4 + * 0x5A0 ... 0x5BF: Device 4 buffer + * 0x600 ... 0x67F: Device 5 + * 0x6A0 ... 0x6BF: Device 5 buffer + * 0x700 ... 0x77F: Device 6 + * 0x7A0 ... 0x7BF: Device 6 buffer + * 0x800 ... 0x87F: Device 7 + * 0x8A0 ... 0x8BF: Device 7 buffer + * 0x900 ... 0x97F: Device 8 + * 0x9A0 ... 0x9BF: Device 8 buffer + * 0xA00 ... 0xA7F: Device 9 + * 0xAA0 ... 0xABF: Device 9 buffer + * 0xB00 ... 0xB7F: Device 10 + * 0xBA0 ... 0xBBF: Device 10 buffer + * 0xC00 ... 0xC7F: Device 11 + * 0xCA0 ... 0xCBF: Device 11 buffer + * 0xD00 ... 0xD7F: Device 12 + * 0xDA0 ... 0xDBF: Device 12 buffer + * 0xE00 ... 0xE7F: Device 13 + * 0xEA0 ... 0xEBF: Device 13 buffer + * 0xF00 ... 0xF7F: Device 14 + * 0xFA0 ... 0xFBF: Device 14 buffer + * 0x1000 ... 0x107F: Device 15 + * 0x10A0 ... 0x10BF: Device 15 buffer */ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) { @@ -1501,6 +1536,32 @@ static const TypeInfo aspeed_1030_i2c_info = { .class_init = aspeed_1030_i2c_class_init, }; +static void aspeed_2700_i2c_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedI2CClass *aic = ASPEED_I2C_CLASS(klass); + + dc->desc = "ASPEED 2700 I2C Controller"; + + aic->num_busses = 16; + aic->reg_size = 0x80; + aic->reg_gap_size = 0x80; + aic->gap = -1; /* no gap */ + aic->bus_get_irq = aspeed_2600_i2c_bus_get_irq; + aic->pool_size = 0x20; + aic->pool_gap_size = 0xe0; + aic->pool_base = 0x1a0; + aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base; + aic->has_dma = true; + aic->mem_size = 0x2000; +} + +static const TypeInfo aspeed_2700_i2c_info = { + .name = TYPE_ASPEED_2700_I2C, + .parent = TYPE_ASPEED_I2C, + .class_init = aspeed_2700_i2c_class_init, +}; + static void aspeed_i2c_register_types(void) { type_register_static(&aspeed_i2c_bus_info); @@ -1510,6 +1571,7 @@ static void aspeed_i2c_register_types(void) type_register_static(&aspeed_2500_i2c_info); type_register_static(&aspeed_2600_i2c_info); type_register_static(&aspeed_1030_i2c_info); + type_register_static(&aspeed_2700_i2c_info); } type_init(aspeed_i2c_register_types) diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index bdaea3207d..4f23dc10c3 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -31,6 +31,7 @@ #define TYPE_ASPEED_2500_I2C TYPE_ASPEED_I2C "-ast2500" #define TYPE_ASPEED_2600_I2C TYPE_ASPEED_I2C "-ast2600" #define TYPE_ASPEED_1030_I2C TYPE_ASPEED_I2C "-ast1030" +#define TYPE_ASPEED_2700_I2C TYPE_ASPEED_I2C "-ast2700" OBJECT_DECLARE_TYPE(AspeedI2CState, AspeedI2CClass, ASPEED_I2C) #define ASPEED_I2C_NR_BUSSES 16 From patchwork Thu Aug 8 02:49:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756904 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 00CC2C3DA7F for ; Thu, 8 Aug 2024 02:51:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDm-0007fH-60; Wed, 07 Aug 2024 22:49:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDl-0007au-16; Wed, 07 Aug 2024 22:49:45 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDj-0008AE-6A; Wed, 07 Aug 2024 22:49:44 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:18 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:18 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH v2 06/11] hw/i2c/aspeed: support Tx/Rx buffer 64 bits address Date: Thu, 8 Aug 2024 10:49:11 +0800 Message-ID: <20240808024916.1262715-7-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org ASPEED AST2700 SOC is a 64 bits quad core CPUs (Cortex-a35) And the base address of dram is "0x4 00000000" which is 64bits address. It have "Master DMA Mode Tx Buffer Base Address[39:32](0x60)" and "Master DMA Mode Rx Buffer Base Address[39:32](0x64)" to save the high part physical address of Tx/Rx buffer address for master mode. It have "Slave DMA Mode Tx Buffer Base Address[39:32](0x68)" and "Slave DMA Mode Rx Buffer Base Address[39:32](0x6C)" to save the high part physical address of Tx/Rx buffer address for slave mode. Ex: Tx buffer address for master mode [39:0] The "Master DMA Mode Tx Buffer Base Address[39:32](0x60)" bits [7:0] which corresponds the bits [39:32] of the 64 bits address of the Tx buffer address. The "Master DMA Mode Tx Buffer Base Address(0x30)" bits [31:0] which corresponds the bits [31:0] of the 64 bits address of the Tx buffer address. Introduce a new has_dma64 class attribute and new registers of new mode to support DMA 64 bits dram address. Update new mode register number to 28. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/i2c/aspeed_i2c.c | 48 +++++++++++++++++++++++++++++++++++++ include/hw/i2c/aspeed_i2c.h | 12 +++++++++- 2 files changed, 59 insertions(+), 1 deletion(-) diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index 819a875839..c1ff80b1cf 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -140,6 +140,7 @@ static uint64_t aspeed_i2c_bus_old_read(AspeedI2CBus *bus, hwaddr offset, static uint64_t aspeed_i2c_bus_new_read(AspeedI2CBus *bus, hwaddr offset, unsigned size) { + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); uint64_t value = bus->regs[offset / sizeof(*bus->regs)]; switch (offset) { @@ -170,6 +171,16 @@ static uint64_t aspeed_i2c_bus_new_read(AspeedI2CBus *bus, hwaddr offset, case A_I2CM_CMD: value = SHARED_FIELD_DP32(value, BUS_BUSY_STS, i2c_bus_busy(bus->bus)); break; + case A_I2CM_DMA_TX_ADDR_HI: + case A_I2CM_DMA_RX_ADDR_HI: + case A_I2CS_DMA_TX_ADDR_HI: + case A_I2CS_DMA_RX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + value = -1; + } + break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -731,6 +742,42 @@ static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, qemu_log_mask(LOG_UNIMP, "%s: Slave mode DMA TX is not implemented\n", __func__); break; + + case A_I2CM_DMA_TX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + break; + } + bus->regs[R_I2CM_DMA_TX_ADDR_HI] = FIELD_EX32(value, + I2CM_DMA_TX_ADDR_HI, + ADDR_HI); + break; + case A_I2CM_DMA_RX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + break; + } + bus->regs[R_I2CM_DMA_RX_ADDR_HI] = FIELD_EX32(value, + I2CM_DMA_RX_ADDR_HI, + ADDR_HI); + break; + case A_I2CS_DMA_TX_ADDR_HI: + qemu_log_mask(LOG_UNIMP, + "%s: Slave mode DMA TX Addr high is not implemented\n", + __func__); + break; + case A_I2CS_DMA_RX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + break; + } + bus->regs[R_I2CS_DMA_RX_ADDR_HI] = FIELD_EX32(value, + I2CS_DMA_RX_ADDR_HI, + ADDR_HI); + break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -1554,6 +1601,7 @@ static void aspeed_2700_i2c_class_init(ObjectClass *klass, void *data) aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base; aic->has_dma = true; aic->mem_size = 0x2000; + aic->has_dma64 = true; } static const TypeInfo aspeed_2700_i2c_info = { diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index 4f23dc10c3..2c4c81bd20 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -38,7 +38,7 @@ OBJECT_DECLARE_TYPE(AspeedI2CState, AspeedI2CClass, ASPEED_I2C) #define ASPEED_I2C_SHARE_POOL_SIZE 0x800 #define ASPEED_I2C_BUS_POOL_SIZE 0x20 #define ASPEED_I2C_OLD_NUM_REG 11 -#define ASPEED_I2C_NEW_NUM_REG 22 +#define ASPEED_I2C_NEW_NUM_REG 28 #define A_I2CD_M_STOP_CMD BIT(5) #define A_I2CD_M_RX_CMD BIT(3) @@ -227,6 +227,15 @@ REG32(I2CS_DMA_LEN_STS, 0x4c) FIELD(I2CS_DMA_LEN_STS, TX_LEN, 0, 13) REG32(I2CC_DMA_ADDR, 0x50) REG32(I2CC_DMA_LEN, 0x54) +/* DMA 64bits */ +REG32(I2CM_DMA_TX_ADDR_HI, 0x60) + FIELD(I2CM_DMA_TX_ADDR_HI, ADDR_HI, 0, 7) +REG32(I2CM_DMA_RX_ADDR_HI, 0x64) + FIELD(I2CM_DMA_RX_ADDR_HI, ADDR_HI, 0, 7) +REG32(I2CS_DMA_TX_ADDR_HI, 0x68) + FIELD(I2CS_DMA_TX_ADDR_HI, ADDR_HI, 0, 7) +REG32(I2CS_DMA_RX_ADDR_HI, 0x6c) + FIELD(I2CS_DMA_RX_ADDR_HI, ADDR_HI, 0, 7) struct AspeedI2CState; @@ -292,6 +301,7 @@ struct AspeedI2CClass { bool has_dma; bool has_share_pool; uint64_t mem_size; + bool has_dma64; }; static inline bool aspeed_i2c_is_new_mode(AspeedI2CState *s) From patchwork Thu Aug 8 02:49:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756905 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 5E05CC52D73 for ; Thu, 8 Aug 2024 02:51:19 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDo-0007py-PM; Wed, 07 Aug 2024 22:49:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDn-0007jx-9X; Wed, 07 Aug 2024 22:49:47 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDl-0008AE-Q2; Wed, 07 Aug 2024 22:49:47 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:18 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:18 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH v2 07/11] hw/i2c/aspeed: support high part dram offset for DMA 64 bits Date: Thu, 8 Aug 2024 10:49:12 +0800 Message-ID: <20240808024916.1262715-8-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org ASPEED AST2700 SOC is a 64 bits quad core CPUs (Cortex-a35) And the base address of dram is "0x4 00000000" which is 64bits address. The AST2700 support the maximum DRAM size is 8 GB. The DRAM physical address range is from "0x4_0000_0000" to "0x5_FFFF_FFFF". The DRAM offset range is from "0x0_0000_0000" to "0x1_FFFF_FFFF" and it is enough to use bits [33:0] saving the dram offset. Therefore, save the high part physical address bit[1:0] of Tx/Rx buffer address as dma_dram_offset bit[33:32]. It does not need to decrease the dram physical high part address for DMA operation. (high part physical address bit[7:0] – 4) Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/i2c/aspeed_i2c.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index c1ff80b1cf..44c3c39233 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -743,6 +743,14 @@ static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, __func__); break; + /* + * The AST2700 support the maximum DRAM size is 8 GB. + * The DRAM offset range is from 0x0_0000_0000 to + * 0x1_FFFF_FFFF and it is enough to use bits [33:0] + * saving the dram offset. + * Therefore, save the high part physical address bit[1:0] + * of Tx/Rx buffer address as dma_dram_offset bit[33:32]. + */ case A_I2CM_DMA_TX_ADDR_HI: if (!aic->has_dma64) { qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", @@ -752,6 +760,8 @@ static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, bus->regs[R_I2CM_DMA_TX_ADDR_HI] = FIELD_EX32(value, I2CM_DMA_TX_ADDR_HI, ADDR_HI); + bus->dma_dram_offset = deposit64(bus->dma_dram_offset, 32, 32, + extract32(value, 0, 2)); break; case A_I2CM_DMA_RX_ADDR_HI: if (!aic->has_dma64) { @@ -762,6 +772,8 @@ static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, bus->regs[R_I2CM_DMA_RX_ADDR_HI] = FIELD_EX32(value, I2CM_DMA_RX_ADDR_HI, ADDR_HI); + bus->dma_dram_offset = deposit64(bus->dma_dram_offset, 32, 32, + extract32(value, 0, 2)); break; case A_I2CS_DMA_TX_ADDR_HI: qemu_log_mask(LOG_UNIMP, @@ -777,6 +789,8 @@ static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, bus->regs[R_I2CS_DMA_RX_ADDR_HI] = FIELD_EX32(value, I2CS_DMA_RX_ADDR_HI, ADDR_HI); + bus->dma_dram_offset = deposit64(bus->dma_dram_offset, 32, 32, + extract32(value, 0, 2)); break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", From patchwork Thu Aug 8 02:49:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756906 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 6E48BC52D6F for ; Thu, 8 Aug 2024 02:51:29 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDr-00080k-C8; Wed, 07 Aug 2024 22:49:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDp-0007tJ-HY; Wed, 07 Aug 2024 22:49:49 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDo-0008AE-3J; Wed, 07 Aug 2024 22:49:49 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:18 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:18 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , Subject: [PATCH v2 08/11] aspeed/soc: introduce a new API to get the INTC orgate information Date: Thu, 8 Aug 2024 10:49:13 +0800 Message-ID: <20240808024916.1262715-9-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Currently, users can set the intc mapping table with enumerated device id and device irq to get the INTC orgate input pins. However, some devices use the continuous bits number in the same orgate. To reduce the enumerated device id definition, create a new API to get the INTC orgate index and source bit number if users only provide the start bus number of device. Signed-off-by: Jamin Lin --- hw/arm/aspeed_ast27x0.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c index 4257b5e8af..0bbd66110b 100644 --- a/hw/arm/aspeed_ast27x0.c +++ b/hw/arm/aspeed_ast27x0.c @@ -164,6 +164,11 @@ struct gic_intc_irq_info { const int *ptr; }; +struct gic_intc_orgate_info { + int index; + int int_num; +}; + static const struct gic_intc_irq_info aspeed_soc_ast2700_gic_intcmap[] = { {128, aspeed_soc_ast2700_gic128_intcmap}, {129, NULL}, @@ -193,6 +198,27 @@ static qemu_irq aspeed_soc_ast2700_get_irq(AspeedSoCState *s, int dev) return qdev_get_gpio_in(DEVICE(&a->gic), sc->irqmap[dev]); } +static void aspeed_soc_ast2700_get_intc_orgate(AspeedSoCState *s, int dev, + struct gic_intc_orgate_info *orgate_info) +{ + AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); + int i; + + for (i = 0; i < ARRAY_SIZE(aspeed_soc_ast2700_gic_intcmap); i++) { + if (sc->irqmap[dev] == aspeed_soc_ast2700_gic_intcmap[i].irq) { + assert(aspeed_soc_ast2700_gic_intcmap[i].ptr); + orgate_info->index = i; + orgate_info->int_num = aspeed_soc_ast2700_gic_intcmap[i].ptr[dev]; + return; + } + } + + /* + * Invalid orgate index, device irq should be 128 to 136. + */ + g_assert_not_reached(); +} + static uint64_t aspeed_ram_capacity_read(void *opaque, hwaddr addr, unsigned int size) { From patchwork Thu Aug 8 02:49:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756910 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 81F13C52D6F for ; Thu, 8 Aug 2024 02:51:55 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDu-0008Cf-6S; Wed, 07 Aug 2024 22:49:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDr-00083A-U6; Wed, 07 Aug 2024 22:49:51 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDq-0008AE-DJ; Wed, 07 Aug 2024 22:49:51 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:18 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:18 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , Subject: [PATCH v2 09/11] aspeed/soc: support I2C for AST2700 Date: Thu, 8 Aug 2024 10:49:14 +0800 Message-ID: <20240808024916.1262715-10-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add I2C model for AST2700 I2C support. The I2C controller registers base address is start at 0x14C0_F000 and its address space is 0x2000. The AST2700 I2C controller has one source INTC per bus. I2C buses interrupt are connected to GICINT130_INTC from bit 0 to bit 15. I2C bus 0 is connected to GICINT130_INTC at bit 0. I2C bus 15 is connected to GICINT130_INTC at bit 15. Signed-off-by: Jamin Lin --- hw/arm/aspeed_ast27x0.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c index 0bbd66110b..e84141c13b 100644 --- a/hw/arm/aspeed_ast27x0.c +++ b/hw/arm/aspeed_ast27x0.c @@ -61,6 +61,7 @@ static const hwaddr aspeed_soc_ast2700_memmap[] = { [ASPEED_GIC_DIST] = 0x12200000, [ASPEED_GIC_REDIST] = 0x12280000, [ASPEED_DEV_ADC] = 0x14C00000, + [ASPEED_DEV_I2C] = 0x14C0F000, }; #define AST2700_MAX_IRQ 288 @@ -374,6 +375,9 @@ static void aspeed_soc_ast2700_init(Object *obj) snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname); object_initialize_child(obj, "adc", &s->adc, typename); + + snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname); + object_initialize_child(obj, "i2c", &s->i2c, typename); } /* @@ -457,6 +461,8 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp) AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); AspeedINTCClass *ic = ASPEED_INTC_GET_CLASS(&a->intc); g_autofree char *sram_name = NULL; + qemu_irq irq; + struct gic_intc_orgate_info orgate_info; /* Default boot region (SPI memory or ROMs) */ memory_region_init(&s->spi_boot_container, OBJECT(s), @@ -639,6 +645,27 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp) sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0, aspeed_soc_get_irq(s, ASPEED_DEV_ADC)); + /* I2C */ + object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr), + &error_abort); + if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) { + return; + } + aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]); + aspeed_soc_ast2700_get_intc_orgate(s, ASPEED_DEV_I2C, &orgate_info); + for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) { + /* + * The AST2700 I2C controller has one source INTC per bus. + * I2C buses interrupt are connected to GICINT130_INTC + * from bit 0 to bit 15. + * I2C bus 0 is connected to GICINT130_INTC at bit 0. + * I2C bus 15 is connected to GICINT130_INTC at bit 15. + */ + irq = qdev_get_gpio_in(DEVICE(&a->intc.orgates[orgate_info.index]), + orgate_info.int_num + i); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq); + } + create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000); create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000); create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000); From patchwork Thu Aug 8 02:49:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756912 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 9B4F4C3DA7F for ; Thu, 8 Aug 2024 02:51:59 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDw-0008Kl-4Z; Wed, 07 Aug 2024 22:49:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDu-0008DF-9B; Wed, 07 Aug 2024 22:49:54 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDs-0008AE-R1; Wed, 07 Aug 2024 22:49:54 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:19 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:19 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH v2 10/11] aspeed: add tmp105 in i2c bus 0 for AST2700 Date: Thu, 8 Aug 2024 10:49:15 +0800 Message-ID: <20240808024916.1262715-11-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org ASPEED SDK add lm75 in i2c bus 0 for AST2700. LM75 is compatible with TMP105 driver. Introduce a new i2c init function and add tmp105 device model in i2c bus 0. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- hw/arm/aspeed.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index fd5603f7aa..3d13b16768 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -1650,6 +1650,15 @@ static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc, } #ifdef TARGET_AARCH64 +static void ast2700_evb_i2c_init(AspeedMachineState *bmc) +{ + AspeedSoCState *soc = bmc->soc; + + /* LM75 is compatible with TMP105 driver */ + i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 0), + TYPE_TMP105, 0x4d); +} + static void aspeed_machine_ast2700_evb_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -1664,6 +1673,7 @@ static void aspeed_machine_ast2700_evb_class_init(ObjectClass *oc, void *data) amc->num_cs = 2; amc->macs_mask = ASPEED_MAC0_ON | ASPEED_MAC1_ON | ASPEED_MAC2_ON; amc->uart_default = ASPEED_DEV_UART12; + amc->i2c_init = ast2700_evb_i2c_init; mc->default_ram_size = 1 * GiB; aspeed_machine_class_init_cpus_defaults(mc); } From patchwork Thu Aug 8 02:49:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13756909 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 DF844C52D73 for ; Thu, 8 Aug 2024 02:51:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sbtDy-0008TH-4J; Wed, 07 Aug 2024 22:49:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDw-0008MK-G2; Wed, 07 Aug 2024 22:49:56 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sbtDv-0008AE-2E; Wed, 07 Aug 2024 22:49:56 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Thu, 8 Aug 2024 10:49:19 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Thu, 8 Aug 2024 10:49:19 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , Cleber Rosa , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , "Wainer dos Santos Moschetta" , Beraldo Leal , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , , Subject: [PATCH v2 11/11] machine_aspeed.py: update to test I2C for AST2700 Date: Thu, 8 Aug 2024 10:49:16 +0800 Message-ID: <20240808024916.1262715-12-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> References: <20240808024916.1262715-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.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, SPF_HELO_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Update test case to test lm75 temperature sensor. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater --- tests/avocado/machine_aspeed.py | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tests/avocado/machine_aspeed.py b/tests/avocado/machine_aspeed.py index f8e263d37e..6935f5f57c 100644 --- a/tests/avocado/machine_aspeed.py +++ b/tests/avocado/machine_aspeed.py @@ -435,9 +435,25 @@ def test_aarch64_ast2700_evb_sdk_v09_02(self): f'loader,addr=0x430000000,cpu-num={i}') self.vm.add_args('-smp', str(num_cpu)) + self.vm.add_args('-device', + 'tmp105,bus=aspeed.i2c.bus.1,address=0x4d,id=tmp-test') self.do_test_aarch64_aspeed_sdk_start(image_dir + 'image-bmc') self.wait_for_console_pattern('nodistro.0 ast2700-default ttyS12') + self.ssh_connect('root', '0penBmc', False) + self.ssh_command('dmesg -c > /dev/null') + + self.ssh_command_output_contains( + 'echo lm75 0x4d > /sys/class/i2c-dev/i2c-1/device/new_device ' + '&& dmesg -c', + 'i2c i2c-1: new_device: Instantiated device lm75 at 0x4d'); + + self.ssh_command_output_contains( + 'cat /sys/class/hwmon/hwmon20/temp1_input', '0') + self.vm.cmd('qom-set', path='/machine/peripheral/tmp-test', + property='temperature', value=18000) + self.ssh_command_output_contains( + 'cat /sys/class/hwmon/hwmon20/temp1_input', '18000') class AST2x00MachineMMC(QemuSystemTest):