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memory: brcmstb_memc: Add Broadcom STB memory controller driver

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Add support for configuring the Self Refresh Power Down (SRPD)
inactivity timeout on Broadcom STB chips. This is used to conserve power
when the DRAM activity is reduced.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220812222533.2428033-4-f.fainelli@gmail.com
This commit is contained in:
Florian Fainelli
2022-08-12 15:25:33 -07:00
committed by Krzysztof Kozlowski
parent e3a1b9245e
commit a4be90ff7a
3 changed files with 311 additions and 0 deletions
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9
drivers/memory/Kconfig
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@@ -66,6 +66,15 @@ config BRCMSTB_DPFE
for the DRAM's temperature. Slower refresh rate means cooler RAM,
higher refresh rate means hotter RAM.
config BRCMSTB_MEMC
tristate "Broadcom STB MEMC driver"
default ARCH_BRCMSTB
depends on ARCH_BRCMSTB || COMPILE_TEST
help
This driver provides a way to configure the Broadcom STB memory
controller and specifically control the Self Refresh Power Down
(SRPD) inactivity timeout.
config BT1_L2_CTL
bool "Baikal-T1 CM2 L2-RAM Cache Control Block"
depends on MIPS_BAIKAL_T1 || COMPILE_TEST