ARM: davinci: da8xx: add remoteproc support

Add remoteproc platform device for controlling the DSP
on da8xx. The patch uses CMA-based reservation of physical
memory block for DSP use. A new kernel command-line parameter
has been added to allow boot-time specification of the physical
memory block.

Signed-off-by: Robert Tivy <rtivy@ti.com>
[nsekhar@ti.com: edit commit message for readability and
style improvements]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index be77ce269cb0..2e1c9eae0a58 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -54,6 +54,8 @@ extern unsigned int da850_max_speed;
 #define DA8XX_SYSCFG0_BASE      (IO_PHYS + 0x14000)
 #define DA8XX_SYSCFG0_VIRT(x)   (da8xx_syscfg0_base + (x))
 #define DA8XX_JTAG_ID_REG       0x18
+#define DA8XX_HOST1CFG_REG      0x44
+#define DA8XX_CHIPSIG_REG       0x174
 #define DA8XX_CFGCHIP0_REG      0x17c
 #define DA8XX_CFGCHIP1_REG      0x180
 #define DA8XX_CFGCHIP2_REG      0x184
@@ -105,6 +107,8 @@ int __init da850_register_vpif_display
 int __init da850_register_vpif_capture
                         (struct vpif_capture_config *capture_config);
 void da8xx_restart(char mode, const char *cmd);
+void da8xx_rproc_reserve_cma(void);
+int da8xx_register_rproc(void);
 
 extern struct platform_device da8xx_serial_device;
 extern struct emac_platform_data da8xx_emac_pdata;