| Message ID | 1349456686-22736-8-git-send-email-mporter@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 10/5/2012 10:34 PM, Matt Porter wrote: > Configures the required pdata and registers the pruss_uio > platform device on the DA850 EVM. > > Tested on AM180x-EVM using the PRU_memAccessPRUDataRam and > PRU_memAccessL3andDDR examples from the PRU userspace tools > available from http://www.ti.com/tool/sprc940 > > Signed-off-by: Matt Porter <mporter@ti.com> > --- > arch/arm/mach-davinci/board-da850-evm.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c > index 7359375..6f9478b 100644 > --- a/arch/arm/mach-davinci/board-da850-evm.c > +++ b/arch/arm/mach-davinci/board-da850-evm.c > @@ -31,6 +31,7 @@ > #include <linux/platform_data/mtd-davinci.h> > #include <linux/platform_data/mtd-davinci-aemif.h> > #include <linux/platform_data/spi-davinci.h> > +#include <linux/platform_data/uio_pruss.h> > #include <linux/regulator/machine.h> > #include <linux/regulator/tps6507x.h> > #include <linux/spi/spi.h> > @@ -40,6 +41,7 @@ > #include <mach/cp_intc.h> > #include <mach/da8xx.h> > #include <mach/mux.h> > +#include <mach/sram.h> > > #include <asm/mach-types.h> > #include <asm/mach/arch.h> > @@ -1253,6 +1255,10 @@ static __init int da850_wl12xx_init(void) > > #endif /* CONFIG_DA850_WL12XX */ > > +struct uio_pruss_pdata da8xx_pruss_uio_pdata = { > + .pintc_base = 0x4000, > +}; > + > #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000) > > static __init void da850_evm_init(void) > @@ -1339,6 +1345,12 @@ static __init void da850_evm_init(void) > pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n", > ret); > > + da8xx_pruss_uio_pdata.sram_pool = sram_get_gen_pool(); > + ret = da8xx_register_pruss_uio(&da8xx_pruss_uio_pdata); > + if (ret) > + pr_warning("pruss_uio initialization failed: %d\n", > + ret); I failed to mention this last time around, but is there any reason platform data will change from board to board? Looks like the pintc_base is SoC specific and that all platforms would use SRAM when using the pruss driver. Looks like you can make da8xx_register_pruss_uio() take no parameters at all. Thanks, Sekhar
On Mon, Oct 08, 2012 at 04:23:05PM +0530, Sekhar Nori wrote: > On 10/5/2012 10:34 PM, Matt Porter wrote: > > Configures the required pdata and registers the pruss_uio > > platform device on the DA850 EVM. > > > > Tested on AM180x-EVM using the PRU_memAccessPRUDataRam and > > PRU_memAccessL3andDDR examples from the PRU userspace tools > > available from http://www.ti.com/tool/sprc940 > > > > Signed-off-by: Matt Porter <mporter@ti.com> > > --- > > arch/arm/mach-davinci/board-da850-evm.c | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c > > index 7359375..6f9478b 100644 > > --- a/arch/arm/mach-davinci/board-da850-evm.c > > +++ b/arch/arm/mach-davinci/board-da850-evm.c > > @@ -31,6 +31,7 @@ > > #include <linux/platform_data/mtd-davinci.h> > > #include <linux/platform_data/mtd-davinci-aemif.h> > > #include <linux/platform_data/spi-davinci.h> > > +#include <linux/platform_data/uio_pruss.h> > > #include <linux/regulator/machine.h> > > #include <linux/regulator/tps6507x.h> > > #include <linux/spi/spi.h> > > @@ -40,6 +41,7 @@ > > #include <mach/cp_intc.h> > > #include <mach/da8xx.h> > > #include <mach/mux.h> > > +#include <mach/sram.h> > > > > #include <asm/mach-types.h> > > #include <asm/mach/arch.h> > > @@ -1253,6 +1255,10 @@ static __init int da850_wl12xx_init(void) > > > > #endif /* CONFIG_DA850_WL12XX */ > > > > +struct uio_pruss_pdata da8xx_pruss_uio_pdata = { > > + .pintc_base = 0x4000, > > +}; > > + > > #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000) > > > > static __init void da850_evm_init(void) > > @@ -1339,6 +1345,12 @@ static __init void da850_evm_init(void) > > pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n", > > ret); > > > > + da8xx_pruss_uio_pdata.sram_pool = sram_get_gen_pool(); > > + ret = da8xx_register_pruss_uio(&da8xx_pruss_uio_pdata); > > + if (ret) > > + pr_warning("pruss_uio initialization failed: %d\n", > > + ret); > > I failed to mention this last time around, but is there any reason > platform data will change from board to board? Looks like the pintc_base > is SoC specific and that all platforms would use SRAM when using the > pruss driver. Looks like you can make da8xx_register_pruss_uio() take no > parameters at all. No reason, just oversight here. I'll update these two patches so this is done at the SoC level. -Matt
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 7359375..6f9478b 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -31,6 +31,7 @@ #include <linux/platform_data/mtd-davinci.h> #include <linux/platform_data/mtd-davinci-aemif.h> #include <linux/platform_data/spi-davinci.h> +#include <linux/platform_data/uio_pruss.h> #include <linux/regulator/machine.h> #include <linux/regulator/tps6507x.h> #include <linux/spi/spi.h> @@ -40,6 +41,7 @@ #include <mach/cp_intc.h> #include <mach/da8xx.h> #include <mach/mux.h> +#include <mach/sram.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -1253,6 +1255,10 @@ static __init int da850_wl12xx_init(void) #endif /* CONFIG_DA850_WL12XX */ +struct uio_pruss_pdata da8xx_pruss_uio_pdata = { + .pintc_base = 0x4000, +}; + #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000) static __init void da850_evm_init(void) @@ -1339,6 +1345,12 @@ static __init void da850_evm_init(void) pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n", ret); + da8xx_pruss_uio_pdata.sram_pool = sram_get_gen_pool(); + ret = da8xx_register_pruss_uio(&da8xx_pruss_uio_pdata); + if (ret) + pr_warning("pruss_uio initialization failed: %d\n", + ret); + /* Handle board specific muxing for LCD here */ ret = davinci_cfg_reg_list(da850_evm_lcdc_pins); if (ret)
Configures the required pdata and registers the pruss_uio platform device on the DA850 EVM. Tested on AM180x-EVM using the PRU_memAccessPRUDataRam and PRU_memAccessL3andDDR examples from the PRU userspace tools available from http://www.ti.com/tool/sprc940 Signed-off-by: Matt Porter <mporter@ti.com> --- arch/arm/mach-davinci/board-da850-evm.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)