From: Sandeep Paulraj s-paulraj@ti.com
DM646x is an SOC from TI which has both an ARM and a DSP. There are multiple variants of the SOC mainly dealing with different core speeds. This patch adds the initial framework for the DM646x SOC.
Signed-off-by: Sandeep Paulraj s-paulraj@ti.com --- cpu/arm926ejs/davinci/Makefile | 1 + cpu/arm926ejs/davinci/dm646x.c | 41 +++++++++++++++++++++++++++++++ include/asm-arm/arch-davinci/hardware.h | 11 ++++++++ 3 files changed, 53 insertions(+), 0 deletions(-) create mode 100644 cpu/arm926ejs/davinci/dm646x.c
diff --git a/cpu/arm926ejs/davinci/Makefile b/cpu/arm926ejs/davinci/Makefile index 7501a85..d7e9e2c 100644 --- a/cpu/arm926ejs/davinci/Makefile +++ b/cpu/arm926ejs/davinci/Makefile @@ -31,6 +31,7 @@ COBJS-y += cpu.o timer.o psc.o COBJS-$(CONFIG_SOC_DM355) += dm355.o COBJS-$(CONFIG_SOC_DM365) += dm365.o COBJS-$(CONFIG_SOC_DM644X) += dm644x.o +COBJS-$(CONFIG_SOC_DM646X) += dm646x.o COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o
SOBJS = reset.o diff --git a/cpu/arm926ejs/davinci/dm646x.c b/cpu/arm926ejs/davinci/dm646x.c new file mode 100644 index 0000000..329825f --- /dev/null +++ b/cpu/arm926ejs/davinci/dm646x.c @@ -0,0 +1,41 @@ +/* + * SoC-specific code for TMS320DM646x chips + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <asm/arch/hardware.h> + +void davinci_enable_uart0(void) +{ + lpsc_on(DAVINCI_DM646X_LPSC_UART0); +} + +#ifdef CONFIG_DRIVER_TI_EMAC +void davinci_enable_emac(void) +{ + lpsc_on(DAVINCI_DM646X_LPSC_EMAC); +} +#endif + +#ifdef CONFIG_DRIVER_DAVINCI_I2C +void davinci_enable_i2c(void) +{ + lpsc_on(DAVINCI_DM646X_LPSC_I2C); +} +#endif diff --git a/include/asm-arm/arch-davinci/hardware.h b/include/asm-arm/arch-davinci/hardware.h index 313b3f3..ac32510 100644 --- a/include/asm-arm/arch-davinci/hardware.h +++ b/include/asm-arm/arch-davinci/hardware.h @@ -105,6 +105,13 @@ typedef volatile unsigned int * dv_reg_p; #define DAVINCI_ASYNC_EMIF_CNTRL_BASE 0x01d10000 #define DAVINCI_MMC_SD0_BASE 0x01d11000
+#elif defined(CONFIG_SOC_DM646X) +#define DAVINCI_ASYNC_EMIF_CNTRL_BASE 0x20008000 +#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x42000000 +#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE 0x44000000 +#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE 0x46000000 +#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE 0x48000000 + #endif
/* Power and Sleep Controller (PSC) Domains */ @@ -153,6 +160,10 @@ typedef volatile unsigned int * dv_reg_p; #define DAVINCI_LPSC_GEM 39 #define DAVINCI_LPSC_IMCOP 40
+#define DAVINCI_DM646X_LPSC_EMAC 14 +#define DAVINCI_DM646X_LPSC_UART0 26 +#define DAVINCI_DM646X_LPSC_I2C 31 + void lpsc_on(unsigned int id); void dsp_on(void);