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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-08 19:00:55 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-08 19:00:55 +0200
commit44d51a029f95d49c5c7ccd7808f81904c20c3abd (patch)
tree41b82695b3bfb73b4146809546c2d79d6eaa4c47 /arch/arm/mach-davinci/board-da850-evm.c
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/iee... (diff)
parentdavinci: dm646x EVM: Specify reserved EDMA channel/slots (diff)
downloadlinux-44d51a029f95d49c5c7ccd7808f81904c20c3abd.tar.xz
linux-44d51a029f95d49c5c7ccd7808f81904c20c3abd.zip
Merge branch 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci: davinci: dm646x EVM: Specify reserved EDMA channel/slots davinci: da8xx/omapl EVM: Specify reserved channels/slots davinci: support for EDMA resource sharing davinci: edma: provide ability to detect insufficient CC info data davinci: da8xx: sparse cleanup: remove duplicate entries in irq priorities davinci: DM365: fixed second serial port Davinci: tnetv107x evm board initial support Davinci: tnetv107x initial gpio support Davinci: tnetv107x soc support Davinci: tnetv107x decompresser uart definitions Davinci: generalized debug macros
Diffstat (limited to 'arch/arm/mach-davinci/board-da850-evm.c')
-rw-r--r--arch/arm/mach-davinci/board-da850-evm.c52
1 files changed, 51 insertions, 1 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index e8c819090268..fdc2cc500fc6 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -637,6 +637,56 @@ static int __init da850_evm_config_emac(void)
}
device_initcall(da850_evm_config_emac);
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, 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 __init void da850_evm_init(void)
{
int ret;
@@ -646,7 +696,7 @@ static __init void da850_evm_init(void)
pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
ret);
- ret = da8xx_register_edma();
+ ret = da850_register_edma(da850_edma_rsv);
if (ret)
pr_warning("da850_evm_init: edma registration failed: %d\n",
ret);