From ba21a453a58fc02b890f4064b293b1cb09fe7484 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Thu, 29 Jan 2015 10:38:20 +0000 Subject: malta: IDE support This patch adds IDE support to the MIPS Malta board. The IDE controller is enabled after probing the PCI bus and otherwise just makes use of U-boot generic IDE support. Signed-off-by: Paul Burton Cc: Daniel Schwierzeck --- board/imgtec/malta/malta.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'board') diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c index 78c4bd4..72b03ff 100644 --- a/board/imgtec/malta/malta.c +++ b/board/imgtec/malta/malta.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -217,4 +218,22 @@ void pci_init_board(void) pci_read_config_byte(bdf, PCI_CFG_PIIX4_SERIRQC, &val8); val8 |= PCI_CFG_PIIX4_SERIRQC_EN | PCI_CFG_PIIX4_SERIRQC_CONT; pci_write_config_byte(bdf, PCI_CFG_PIIX4_SERIRQC, val8); + + bdf = pci_find_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_82371AB, 0); + if (bdf == -1) + panic("Failed to find PIIX4 IDE controller\n"); + + /* enable bus master & IO access */ + val32 |= PCI_COMMAND_MASTER | PCI_COMMAND_IO; + pci_write_config_dword(bdf, PCI_COMMAND, val32); + + /* set latency */ + pci_write_config_byte(bdf, PCI_LATENCY_TIMER, 0x40); + + /* enable IDE/ATA */ + pci_write_config_dword(bdf, PCI_CFG_PIIX4_IDETIM_PRI, + PCI_CFG_PIIX4_IDETIM_IDE); + pci_write_config_dword(bdf, PCI_CFG_PIIX4_IDETIM_SEC, + PCI_CFG_PIIX4_IDETIM_IDE); } -- cgit v1.1