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| author | Paul Burton <paul.burton@imgtec.com> | 2015-01-29 10:38:20 +0000 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2015-01-29 13:11:02 +0100 |
| commit | ba21a453a58fc02b890f4064b293b1cb09fe7484 (patch) | |
| tree | 0d58a392c462c7ebf135a1286e97e051d2391158 | |
| parent | 8755d50706742e4d302a335f4e69dd6430ec12a2 (diff) | |
| download | blackbird-obmc-uboot-ba21a453a58fc02b890f4064b293b1cb09fe7484.tar.gz blackbird-obmc-uboot-ba21a453a58fc02b890f4064b293b1cb09fe7484.zip | |
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 <paul.burton@imgtec.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
| -rw-r--r-- | arch/mips/include/asm/malta.h | 5 | ||||
| -rw-r--r-- | board/imgtec/malta/malta.c | 19 | ||||
| -rw-r--r-- | include/configs/malta.h | 11 |
3 files changed, 35 insertions, 0 deletions
diff --git a/arch/mips/include/asm/malta.h b/arch/mips/include/asm/malta.h index 9e7c045aac..d9ffc1558d 100644 --- a/arch/mips/include/asm/malta.h +++ b/arch/mips/include/asm/malta.h @@ -64,4 +64,9 @@ #define PCI_CFG_PIIX4_GENCFG_SERIRQ (1 << 16) +#define PCI_CFG_PIIX4_IDETIM_PRI 0x40 +#define PCI_CFG_PIIX4_IDETIM_SEC 0x42 + +#define PCI_CFG_PIIX4_IDETIM_IDE (1 << 15) + #endif /* _MIPS_ASM_MALTA_H */ diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c index 78c4bd4efe..72b03ff8cd 100644 --- a/board/imgtec/malta/malta.c +++ b/board/imgtec/malta/malta.c @@ -6,6 +6,7 @@ */ #include <common.h> +#include <ide.h> #include <netdev.h> #include <pci.h> #include <pci_gt64120.h> @@ -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); } diff --git a/include/configs/malta.h b/include/configs/malta.h index 684d249590..ed5da6cd73 100644 --- a/include/configs/malta.h +++ b/include/configs/malta.h @@ -107,6 +107,16 @@ (CONFIG_SYS_FLASH_BASE + (4 << 20) - CONFIG_ENV_SIZE) /* + * IDE/ATA + */ +#define CONFIG_SYS_IDE_MAXBUS 1 +#define CONFIG_SYS_IDE_MAXDEVICE 2 +#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_ISA_IO_BASE_ADDRESS +#define CONFIG_SYS_ATA_IDE0_OFFSET 0x01f0 +#define CONFIG_SYS_ATA_DATA_OFFSET 0 +#define CONFIG_SYS_ATA_REG_OFFSET 0 + +/* * Commands */ #include <config_cmd_default.h> @@ -118,6 +128,7 @@ #define CONFIG_CMD_DATE #define CONFIG_CMD_DHCP +#define CONFIG_CMD_IDE #define CONFIG_CMD_PCI #define CONFIG_CMD_PING |
