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| author | Reinhard Arlt <reinhard.arlt@esd.eu> | 2011-11-10 08:51:57 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2012-03-18 20:10:02 +0100 |
| commit | 2b224609568988a7d8db22d372b232a69155733f (patch) | |
| tree | 5fd02b55006db675612b5d0607310f51e8655b7a /board/esd/cpci750/ide.c | |
| parent | 6e94125f9ccde8e7f8f94902b8d253bda5bb68c8 (diff) | |
| download | u-boot-imx-2b224609568988a7d8db22d372b232a69155733f.zip u-boot-imx-2b224609568988a7d8db22d372b232a69155733f.tar.gz u-boot-imx-2b224609568988a7d8db22d372b232a69155733f.tar.bz2 | |
CPCI750: Add CPCI-HD/2 support
This patch adds support for the esd CPCI-HD/2 board to u-boot for CPCI-CPU/750.
As the primary devices on the CPCI-HD/2 board are connected to device 1 and 3,
the device must be swapped.
Signed-off-by: Reinhard Arlt <reinhard.arlt@esd.eu>
Diffstat (limited to 'board/esd/cpci750/ide.c')
| -rw-r--r-- | board/esd/cpci750/ide.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/board/esd/cpci750/ide.c b/board/esd/cpci750/ide.c index a3bd1b7..aa001df 100644 --- a/board/esd/cpci750/ide.c +++ b/board/esd/cpci750/ide.c @@ -31,6 +31,18 @@ #include <pci.h> extern ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS]; +int cpci_hd_type; + +int ata_device(int dev) +{ + int retval; + + retval = (dev & 1) << 4; + if (cpci_hd_type == 2) + retval ^= 1 << 4; + return retval; +} + int ide_preinit (void) { @@ -39,14 +51,21 @@ int ide_preinit (void) int l; status = 1; + cpci_hd_type = 0; if (CPCI750_SLAVE_TEST != 0) return status; for (l = 0; l < CONFIG_SYS_IDE_MAXBUS; l++) { ide_bus_offset[l] = -ATA_STATUS; } devbusfn = pci_find_device (0x1103, 0x0004, 0); - if (devbusfn == -1) + if (devbusfn != -1) { + cpci_hd_type = 1; + } else { devbusfn = pci_find_device (0x1095, 0x3114, 0); + if (devbusfn != -1) { + cpci_hd_type = 2; + } + } if (devbusfn != -1) { ulong *ide_bus_offset_ptr; |