This adds support for the StarFive JH7110 SoC which also
feature this SiFive cache controller.

Signed-off-by: Yanhong Wang <yanhong.wang@starfivetech.com>
Tested-by: Conor Dooley <conor.dooley@microchip.com>

This patch fixes following warning for the riscv32 toolchain.

drivers/cache/cache-v5l2.c:122:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
  122 |         regs = (struct l2cache *)dev_read_addr(dev);
      |                ^

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>

Update the compatible string of L2 cache.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>

The L2C configuration register has MAP field to indicate its version
is v0 (Gen1) or v1 (Gen2) L2-cache. This patch makes the driver
compatible with both memory-mapped scheme.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>

There is no need for RISCV_NDS_CACHE config to control cache switches.

Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>

There is hardware bug in NCORE CCU IP and it is causing an issue in the
coherent directory tracking of outstanding cache lines.
The workaround is disabling snoop filter.

Signed-off-by: Dinesh Maniyam <dinesh.maniyam@intel.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@intel.com>

The following warning is seen in cache-sifive-ccache.c in a 32-bit build:

  warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]

Fix by casting it with uintptr_t.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>

Signed-off-by: Wolfgang Denk <wd@denx.de>

This driver is currently responsible for enabling all ccache ways.
Composable cache could be configure as RAM or cache, we will use it as
RAM at the beginning to put the u-boot SPL there. In u-boot proper
phrase, we will use the composable cache as cache, and try to enable the
cache ways.

Signed-off-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>

Define LOG_CATEGORY for all uclass to allow filtering with
log command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>