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| author | Victor Rodriguez <vm.rod25@gmail.com> | 2010-12-27 23:43:09 +0100 |
|---|---|---|
| committer | Kevin Hilman <khilman@ti.com> | 2011-02-28 23:53:28 +0100 |
| commit | 5f72f380093afd378259e4a50f9fa2380457b70b (patch) | |
| tree | 8e240137e3549c77c92109e883161f12bfad5c86 /arch/arm/mach-davinci/board-omapl138-hawk.c | |
| parent | davinci: EMAC support for Omapl138-Hawkboard (diff) | |
| download | linux-5f72f380093afd378259e4a50f9fa2380457b70b.tar.xz linux-5f72f380093afd378259e4a50f9fa2380457b70b.zip | |
davinci: EDMA support for Omapl138-Hawkboard
This patch adds EDMA support for the Hawkboard-L138 system
Signed-off-by: Victor Rodriguez <vm.rod25@gmail.com>
Tested-by: Rene Gonzalez <renegs.2378@gmail.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci/board-omapl138-hawk.c')
| -rw-r--r-- | arch/arm/mach-davinci/board-omapl138-hawk.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index 75b3fe23ee63..cefff9b86f72 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -60,6 +60,55 @@ static __init void omapl138_hawk_config_emac(void) __func__, ret); } +/* + * The following EDMA channels/slots are not being used by drivers (for + * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM/Hawkboard, + * hence they are being reserved for codecs on the DSP side. + */ +static const s16 da850_dma0_rsv_chans[][2] = { + /* (offset, number) */ + { 8, 6}, + {24, 4}, + {30, 2}, + {-1, -1} +}; + +static const s16 da850_dma0_rsv_slots[][2] = { + /* (offset, number) */ + { 8, 6}, + {24, 4}, + {30, 50}, + {-1, -1} +}; + +static const s16 da850_dma1_rsv_chans[][2] = { + /* (offset, number) */ + { 0, 28}, + {30, 2}, + {-1, -1} +}; + +static const s16 da850_dma1_rsv_slots[][2] = { + /* (offset, number) */ + { 0, 28}, + {30, 90}, + {-1, -1} +}; + +static struct edma_rsv_info da850_edma_cc0_rsv = { + .rsv_chans = da850_dma0_rsv_chans, + .rsv_slots = da850_dma0_rsv_slots, +}; + +static struct edma_rsv_info da850_edma_cc1_rsv = { + .rsv_chans = da850_dma1_rsv_chans, + .rsv_slots = da850_dma1_rsv_slots, +}; + +static struct edma_rsv_info *da850_edma_rsv[2] = { + &da850_edma_cc0_rsv, + &da850_edma_cc1_rsv, +}; static struct davinci_uart_config omapl138_hawk_uart_config __initdata = { .enabled_uarts = 0x7, @@ -73,6 +122,11 @@ static __init void omapl138_hawk_init(void) omapl138_hawk_config_emac(); + ret = da850_register_edma(da850_edma_rsv); + if (ret) + pr_warning("%s: EDMA registration failed: %d\n", + __func__, ret); + ret = da8xx_register_watchdog(); if (ret) pr_warning("omapl138_hawk_init: " |