From e58cd453d58b20c6a6f34d3591640aa19aa14d25 Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Fri, 4 Feb 2022 15:57:50 +0200 Subject: at91: add kernel support for sama7g5 soc Add kernel support for SAMA7G5 by back-porting mainline kernel patches. Among SAMA7G5 features could be remembered: - ARM Cortex-A7 - double data rate multi-port dynamic RAM controller supporting DDR2, DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz - peripherals for audio, video processing - 1 gigabit + 1 megabit Ethernet controllers - 6 CAN controllers - trust zone support - DVFS for CPU - criptography IPs Signed-off-by: Claudiu Beznea --- ...d-default-usrio-config-to-default-gem-con.patch | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 target/linux/at91/patches-5.10/148-net-macb-Add-default-usrio-config-to-default-gem-con.patch (limited to 'target/linux/at91/patches-5.10/148-net-macb-Add-default-usrio-config-to-default-gem-con.patch') diff --git a/target/linux/at91/patches-5.10/148-net-macb-Add-default-usrio-config-to-default-gem-con.patch b/target/linux/at91/patches-5.10/148-net-macb-Add-default-usrio-config-to-default-gem-con.patch new file mode 100644 index 0000000000..2e149cefc5 --- /dev/null +++ b/target/linux/at91/patches-5.10/148-net-macb-Add-default-usrio-config-to-default-gem-con.patch @@ -0,0 +1,63 @@ +From 096f58e564aed56936ef6de42a44c3101e9b8ed1 Mon Sep 17 00:00:00 2001 +From: Atish Patra +Date: Wed, 3 Mar 2021 11:55:49 -0800 +Subject: [PATCH 148/247] net: macb: Add default usrio config to default gem + config + +There is no usrio config defined for default gem config leading to +a kernel panic devices that don't define a data. This issue can be +reprdouced with microchip polar fire soc where compatible string +is defined as "cdns,macb". + +Fixes: edac63861db7 ("add userio bits as platform configuration") + +Signed-off-by: Atish Patra +Acked-by: Nicolas Ferre +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/cadence/macb_main.c | 15 ++++++++------- + 1 file changed, 8 insertions(+), 7 deletions(-) + +diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c +index d5bd640d3fa4..a8d266d72779 100644 +--- a/drivers/net/ethernet/cadence/macb_main.c ++++ b/drivers/net/ethernet/cadence/macb_main.c +@@ -3837,6 +3837,13 @@ static int macb_init(struct platform_device *pdev) + return 0; + } + ++static const struct macb_usrio_config macb_default_usrio = { ++ .mii = MACB_BIT(MII), ++ .rmii = MACB_BIT(RMII), ++ .rgmii = GEM_BIT(RGMII), ++ .refclk = MACB_BIT(CLKEN), ++}; ++ + #if defined(CONFIG_OF) + /* 1518 rounded up */ + #define AT91ETHER_MAX_RBUFF_SZ 0x600 +@@ -4352,13 +4359,6 @@ static int fu540_c000_init(struct platform_device *pdev) + return macb_init(pdev); + } + +-static const struct macb_usrio_config macb_default_usrio = { +- .mii = MACB_BIT(MII), +- .rmii = MACB_BIT(RMII), +- .rgmii = GEM_BIT(RGMII), +- .refclk = MACB_BIT(CLKEN), +-}; +- + static const struct macb_usrio_config sama7g5_usrio = { + .mii = 0, + .rmii = 1, +@@ -4507,6 +4507,7 @@ static const struct macb_config default_gem_config = { + .dma_burst_length = 16, + .clk_init = macb_clk_init, + .init = macb_init, ++ .usrio = &macb_default_usrio, + .jumbo_max_len = 10240, + }; + +-- +2.32.0 + -- cgit v1.2.3