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davinci: EDMA support for Omapl138-Hawkboard

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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>
This commit is contained in:
Victor Rodriguez 2010-12-27 16:43:09 -06:00 committed by Kevin Hilman
parent bb59b7fdc1
commit 5f72f38009
1 changed files with 54 additions and 0 deletions
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54
arch/arm/mach-davinci/board-omapl138-hawk.c
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@ -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: "