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From: Tiezhu Yang <yangtiezhu@loongson.cn>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Huacai Chen <chenhc@lemote.com>,
	Jiaxun Yang <jiaxun.yang@flygoat.com>,
	Bjorn Helgaas <bhelgaas@google.com>, Jens Axboe <axboe@kernel.dk>
Cc: linux-mips@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
	Xuefeng Li <lixuefeng@loongson.cn>
Subject: [PATCH 2/6] AHCI: Add support for Loongson 7A1000 SATA controller
Date: Mon,  9 Mar 2020 16:23:22 +0800	[thread overview]
Message-ID: <1583742206-29163-3-git-send-email-yangtiezhu@loongson.cn> (raw)
In-Reply-To: <1583742206-29163-1-git-send-email-yangtiezhu@loongson.cn>

Loongson 7A1000 SATA controller uses BAR0 as the base address register.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 drivers/ata/ahci.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 11ea1af..28a336e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -40,6 +40,7 @@
 enum {
 	AHCI_PCI_BAR_STA2X11	= 0,
 	AHCI_PCI_BAR_CAVIUM	= 0,
+	AHCI_PCI_BAR_LOONGSON	= 0,
 	AHCI_PCI_BAR_ENMOTUS	= 2,
 	AHCI_PCI_BAR_CAVIUM_GEN5	= 4,
 	AHCI_PCI_BAR_STANDARD	= 5,
@@ -589,6 +590,10 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	/* Enmotus */
 	{ PCI_DEVICE(0x1c44, 0x8000), board_ahci },
 
+	/* Loongson */
+	{ PCI_VDEVICE(LOONGSON, PCI_DEVICE_ID_LOONGSON_7A1000_SATA),
+	  board_ahci },
+
 	/* Generic, PCI class code for AHCI */
 	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
@@ -1680,6 +1685,9 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 			ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
 		if (pdev->device == 0xa084)
 			ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5;
+	} else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) {
+		if (pdev->device == PCI_DEVICE_ID_LOONGSON_7A1000_SATA)
+			ahci_pci_bar = AHCI_PCI_BAR_LOONGSON;
 	}
 
 	/* acquire resources */
-- 
2.1.0


  parent reply	other threads:[~2020-03-09  8:24 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-09  8:23 [PATCH 0/6] Add basic support for Loongson 7A1000 bridge chip Tiezhu Yang
2020-03-09  8:23 ` [PATCH 1/6] PCI: Add Loongson vendor ID and 7A1000 device IDs Tiezhu Yang
2020-03-09  8:50   ` 回复:[PATCH " Jiaxun Yang
2020-03-10  2:31     ` Tiezhu Yang
2020-03-10  2:37       ` Jiaxun Yang
2020-03-10  9:28         ` Tiezhu Yang
2020-03-09  8:23 ` Tiezhu Yang [this message]
2020-03-09  8:23 ` [PATCH 3/6] MIPS: Loongson: Use firmware arguments to get board name Tiezhu Yang
2020-03-09  8:36   ` 回复:[PATCH " Jiaxun Yang
2020-03-10  2:38     ` Tiezhu Yang
2020-03-09  8:23 ` [PATCH 4/6] MIPS: Loongson: Add DMA support for 7A1000 Tiezhu Yang
2020-03-09  8:44   ` 回复:[PATCH " Jiaxun Yang
2020-03-10  2:40     ` Tiezhu Yang
2020-03-13  8:24   ` [PATCH " Christoph Hellwig
2020-03-13  9:03     ` Tiezhu Yang
2020-03-09  8:23 ` [PATCH 5/6] MIPS: Loongson: Add PCI " Tiezhu Yang
2020-03-09  8:47   ` 回复:[PATCH " Jiaxun Yang
2020-03-10  3:03     ` Tiezhu Yang
2020-03-09  8:23 ` [PATCH 6/6] MIPS: Loongson: Add support for 7A1000 interrupt controller Tiezhu Yang
2020-03-09  9:07   ` 回复:[PATCH " Jiaxun Yang
2020-03-10  4:28     ` Tiezhu Yang

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