On Tue, Jun 2, 2020 at 1:56 AM Alex Nemirovsky alex.nemirovsky@cortina-access.com wrote:
Add SPI NOR support for Cortina Access Presidio Engineering Board
Signed-off-by: Alex Nemirovsky alex.nemirovsky@cortina-access.com CC: Jagan Teki jagan@amarulasolutions.com CC: Vignesh R vigneshr@ti.com CC: Tom Rini trini@konsulko.com
Changes in v9: None Changes in v8: None Changes in v7: None Changes in v5:
- NAND support removed from presidio-asic board DT.
Changes in v3: None
arch/arm/dts/ca-presidio-engboard.dts | 6 +-- board/cortina/presidio-asic/presidio.c | 16 ++++++- configs/cortina_presidio-asic-spi-nand_defconfig | 48 +++++++++++++++++++ configs/cortina_presidio-asic-spi-nor_defconfig | 59 ++++++++++++++++++++++++ 4 files changed, 124 insertions(+), 5 deletions(-) create mode 100644 configs/cortina_presidio-asic-spi-nand_defconfig create mode 100644 configs/cortina_presidio-asic-spi-nor_defconfig
diff --git a/arch/arm/dts/ca-presidio-engboard.dts b/arch/arm/dts/ca-presidio-engboard.dts index c03dacc..34148b9 100644 --- a/arch/arm/dts/ca-presidio-engboard.dts +++ b/arch/arm/dts/ca-presidio-engboard.dts @@ -55,15 +55,13 @@ };
sflash: sflash-controller@f4324000 {
#address-cells = <2>;#size-cells = <1>; compatible = "cortina,ca-sflash"; reg = <0x0 0xf4324000 0x50>; reg-names = "sflash-regs"; flash@0 { compatible = "jedec,spi-nor";spi-rx-bus-width = <1>;spi-max-frequency = <108000000>;
spi-rx-bus-width = <4>;spi-tx-bus-width = <4>; }; };}; diff --git a/board/cortina/presidio-asic/presidio.c b/board/cortina/presidio-asic/presidio.c index 3c132f1..883bd2e 100644 --- a/board/cortina/presidio-asic/presidio.c +++ b/board/cortina/presidio-asic/presidio.c @@ -16,7 +16,7 @@ #include <asm/psci.h> #include <cpu_func.h> #include <asm/armv8/mmu.h>
+#include <dm/uclass.h> DECLARE_GLOBAL_DATA_PTR;
#define CA_PERIPH_BASE 0xE0000000UL @@ -72,9 +72,23 @@ static noinline int invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1, return function_id; }
+#ifdef CONFIG_CORTINA_SFLASH +static int init_sflash(void) +{
struct udevice *dev;uclass_first_device(UCLASS_SPI, &dev);
What is the need of this explicit probe? we have sf to probe the flash?
Jagan.