diff options
| author | Dirk Eibach <eibach@gdsys.de> | 2013-06-26 16:04:26 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2013-07-25 19:35:42 +0200 |
| commit | aba27acf6711dce0ef1507f2f9f02a80d70a45da (patch) | |
| tree | f77350104f847ab46c990c7119cb705f51089a09 /board/gdsys/405ep/iocon.c | |
| parent | aaf5e825606a70ddc8fca8e366d8c16a6fd3cc7c (diff) | |
| download | olio-uboot-2014.01-aba27acf6711dce0ef1507f2f9f02a80d70a45da.tar.xz olio-uboot-2014.01-aba27acf6711dce0ef1507f2f9f02a80d70a45da.zip | |
powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA
A set of accessor functions was added to be able to access not only
memory mapped FPGA in a generic way.
Thanks to Wolfgang Denk for getting this sorted properly.
Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/gdsys/405ep/iocon.c')
| -rw-r--r-- | board/gdsys/405ep/iocon.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c index c728bc7b7..1af5245c8 100644 --- a/board/gdsys/405ep/iocon.c +++ b/board/gdsys/405ep/iocon.c @@ -53,6 +53,8 @@ enum { RAM_DDR2_32 = 0, }; +struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR; + /* * Check Board Identity: */ @@ -76,10 +78,9 @@ int checkboard(void) static void print_fpga_info(void) { - struct ihs_fpga *fpga = (struct ihs_fpga *) CONFIG_SYS_FPGA_BASE(0); - u16 versions = in_le16(&fpga->versions); - u16 fpga_version = in_le16(&fpga->fpga_version); - u16 fpga_features = in_le16(&fpga->fpga_features); + u16 versions; + u16 fpga_version; + u16 fpga_features; unsigned unit_type; unsigned hardware_version; unsigned feature_compression; @@ -90,6 +91,10 @@ static void print_fpga_info(void) unsigned feature_carriers; unsigned feature_video_channels; + FPGA_GET_REG(0, versions, &versions); + FPGA_GET_REG(0, fpga_version, &fpga_version); + FPGA_GET_REG(0, fpga_features, &fpga_features); + unit_type = (versions & 0xf000) >> 12; hardware_version = versions & 0x000f; feature_compression = (fpga_features & 0xe000) >> 13; @@ -211,20 +216,25 @@ int last_stage_init(void) /* * provide access to fpga gpios (for I2C bitbang) + * (these may look all too simple but make iocon.h much more readable) */ void fpga_gpio_set(int pin) { - out_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x18), pin); + FPGA_SET_REG(0, gpio.set, pin); } void fpga_gpio_clear(int pin) { - out_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x16), pin); + FPGA_SET_REG(0, gpio.clear, pin); } int fpga_gpio_get(int pin) { - return in_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x14)) & pin; + u16 val; + + FPGA_GET_REG(0, gpio.read, &val); + + return val & pin; } void gd405ep_init(void) |