[PATCH 2/3] ram: renesas: dbsc5: Add Renesas R-Car Gen5 DBSC5 driver

[Marek Vasut]

On 6/10/26 8:20 PM, Marek Vasut wrote:
> Add Renesas R-Car Gen5 DBSC5 DRAM controller driver. This driver is currently
> capable of bringing LPDDR5X DRAM on Renesas R-Car X5H Ironhide board. Further
> boards can be supported by supplying board specific DRAM configuration data
> via dbsc5_get_board_data().
> 
> The driver reuses parts of previous DBSC5 driver, but due to hardware changes,
> can not be fully integrated into existing DBSC and DRAM driver, therefore the
> currentl DBSC and DRAM drivers are moved into R8A779G0 V4H specific files, and
> the R8A78000 X5H files are added in parallel.
> 
> The Gen5 DBSC driver is meant to be used in RSIP context, while the Gen4 DBSC
> driver is meant to be used in SPL, therefore the Kconfig conditionals have been
> adjusted to match.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
> ---
>   board/renesas/sparrowhawk/sparrowhawk.c       |    2 +-
>   drivers/ram/renesas/Kconfig                   |    6 +-
>   drivers/ram/renesas/Makefile                  |    2 -
>   drivers/ram/renesas/dbsc5/Makefile            |    4 +-
>   drivers/ram/renesas/dbsc5/ecc.c               |  168 +
>   .../dbsc5/{dbsc5.c => r8a779g0-dbsc5.c}       |    2 +-
>   .../dbsc5/{dbsc5.h => r8a779g0-dbsc5.h}       |    6 +-
>   .../renesas/dbsc5/{dram.c => r8a779g0-dram.c} |    4 +-
>   drivers/ram/renesas/dbsc5/r8a78000-dbsc5.c    |   76 +
>   drivers/ram/renesas/dbsc5/r8a78000-dbsc5.h    |   17 +
>   drivers/ram/renesas/dbsc5/r8a78000-dram.c     | 2795 +++++++
>   drivers/ram/renesas/dbsc5/r8a78000-dram.h     | 7385 +++++++++++++++++
>   include/{dbsc5.h => r8a779g0-dbsc5.h}         |    0
>   include/r8a78000-dbsc5.h                      |   63 +
>   14 files changed, 10517 insertions(+), 13 deletions(-)
>   create mode 100644 drivers/ram/renesas/dbsc5/ecc.c
>   rename drivers/ram/renesas/dbsc5/{dbsc5.c => r8a779g0-dbsc5.c} (98%)
>   rename drivers/ram/renesas/dbsc5/{dbsc5.h => r8a779g0-dbsc5.h} (80%)
>   rename drivers/ram/renesas/dbsc5/{dram.c => r8a779g0-dram.c} (99%)
>   create mode 100644 drivers/ram/renesas/dbsc5/r8a78000-dbsc5.c
>   create mode 100644 drivers/ram/renesas/dbsc5/r8a78000-dbsc5.h
>   create mode 100644 drivers/ram/renesas/dbsc5/r8a78000-dram.c
>   create mode 100644 drivers/ram/renesas/dbsc5/r8a78000-dram.h
>   rename include/{dbsc5.h => r8a779g0-dbsc5.h} (100%)
>   create mode 100644 include/r8a78000-dbsc5.h
This additional one-liner is needed:

"
diff --git a/drivers/ram/renesas/dbsc5/qos.c 
b/drivers/ram/renesas/dbsc5/qos.c
index 56a60b987af..a9fc0b1439a 100644
--- a/drivers/ram/renesas/dbsc5/qos.c
+++ b/drivers/ram/renesas/dbsc5/qos.c
@@ -9,7 +9,7 @@
  #include <hang.h>
  #include <linux/sizes.h>
  #include <ram.h>
-#include "dbsc5.h"
+#include "r8a779g0-dbsc5.h"

  /* AXMM */
  #define AXMM_ADSPLCR0                          0x4008
"