On 14.07.25 22:00, Alexander Shiyan wrote:
> Hi Ahmad, any news on this?
Sorry, haven't come around to yet, but will try to soon.
>
> вт, 24 июн. 2025 г. в 12:15, Alexander Shiyan <eagle.alexander...@gmail.com>:
>>
>> This replaces the low-level SMC driver implementation with the
>> MFD-based driver for SAMA5D3 platforms.
>>
>> Signed-off-by: Alexander Shiyan <eagle.alexander...@gmail.com>
>> ---
>> arch/arm/boards/sama5d3_xplained/board.c | 46 ------------------------
>> arch/arm/mach-at91/Kconfig | 1 -
>> arch/arm/mach-at91/sam9_smc.c | 5 +--
>> 3 files changed, 1 insertion(+), 51 deletions(-)
>>
>> diff --git a/arch/arm/boards/sama5d3_xplained/board.c
>> b/arch/arm/boards/sama5d3_xplained/board.c
>> index 4d908e6b9f..3ee3f2166e 100644
>> --- a/arch/arm/boards/sama5d3_xplained/board.c
>> +++ b/arch/arm/boards/sama5d3_xplained/board.c
>> @@ -3,60 +3,14 @@
>> #include <common.h>
>> #include <init.h>
>> #include <envfs.h>
>> -#include <mach/at91/at91sam9_smc.h>
>> -#include <mach/at91/hardware.h>
>> -#include <linux/clk.h>
>> -
>> -static struct sam9_smc_config sama5d3_xplained_nand_smc_config = {
>> - .ncs_read_setup = 1,
>> - .nrd_setup = 2,
>> - .ncs_write_setup = 1,
>> - .nwe_setup = 2,
>> -
>> - .ncs_read_pulse = 5,
>> - .nrd_pulse = 3,
>> - .ncs_write_pulse = 5,
>> - .nwe_pulse = 3,
>> -
>> - .read_cycle = 8,
>> - .write_cycle = 8,
>> -
>> - .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
>> - AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
>> - .tdf_cycles = 3,
>> -
>> - .tclr = 3,
>> - .tadl = 10,
>> - .tar = 3,
>> - .ocms = 0,
>> - .trr = 4,
>> - .twb = 5,
>> - .rbnsel = 3,
>> - .nfsel = 1
>> -};
>>
>> static int sama5d3_xplained_probe(struct device *dev)
>> {
>> - struct clk *clk;
>> -
>> barebox_set_hostname("sama5d3_xplained");
>>
>> if (IS_ENABLED(CONFIG_DEFAULT_ENVIRONMENT_GENERIC))
>> defaultenv_append_directory(defaultenv_sama5d3_xplained);
>>
>> - add_generic_device("at91sam9-smc", DEVICE_ID_SINGLE, NULL,
>> - SAMA5D3_BASE_HSMC + 0x600, 0xa0,
>> - IORESOURCE_MEM, NULL);
>> -
>> - clk = clk_lookup("hsmc_clk");
>> - if (IS_ERR(clk))
>> - dev_warn(dev, "couldn't get hsmc_clk: %pe\n", clk);
>> -
>> - clk_enable(clk);
>> -
>> - /* configure chip-select 3 (NAND) */
>> - sama5_smc_configure(0, 3, &sama5d3_xplained_nand_smc_config);
>> -
>> return 0;
>> }
>>
>> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
>> index db79ad2d26..22ab99d9c8 100644
>> --- a/arch/arm/mach-at91/Kconfig
>> +++ b/arch/arm/mach-at91/Kconfig
>> @@ -107,7 +107,6 @@ config SOC_SAMA5D2
>> config SOC_SAMA5D3
>> bool
>> select SOC_SAMA5
>> - select AT91SAM9_SMC
>> select CLOCKSOURCE_ATMEL_PIT
>> select HAVE_AT91_SMD
>> select HAVE_AT91_USB_CLK
>> diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c
>> index 6c9e169a8e..66b30694ce 100644
>> --- a/arch/arm/mach-at91/sam9_smc.c
>> +++ b/arch/arm/mach-at91/sam9_smc.c
>> @@ -14,8 +14,7 @@
>>
>> #define AT91_SAM9_SMC_CS_STRIDE 0x10
>> #define AT91_SAMA5_SMC_CS_STRIDE 0x14
>> -#define AT91_SMC_CS_STRIDE ((at91_soc_initdata.type == AT91_SOC_SAMA5D3
>> \
>> - || at91_soc_initdata.type ==
>> AT91_SOC_SAMA5D4) \
>> +#define AT91_SMC_CS_STRIDE ((at91_soc_initdata.type ==
>> AT91_SOC_SAMA5D4) \
>> ? AT91_SAMA5_SMC_CS_STRIDE :
>> AT91_SAM9_SMC_CS_STRIDE)
>> #define AT91_SMC_CS(id, n) (smc_base_addr[id] + ((n) *
>> AT91_SMC_CS_STRIDE))
>>
>> @@ -27,7 +26,6 @@ static void sam9_smc_cs_write_mode(void __iomem *base,
>> void __iomem *mode_reg;
>>
>> switch (at91_soc_initdata.type) {
>> - case AT91_SOC_SAMA5D3:
>> case AT91_SOC_SAMA5D4:
>> mode_reg = base + AT91_SAMA5_SMC_MODE;
>> break;
>> @@ -101,7 +99,6 @@ static void sam9_smc_cs_read_mode(void __iomem *base,
>> void __iomem *mode_reg;
>>
>> switch (at91_soc_initdata.type) {
>> - case AT91_SOC_SAMA5D3:
>> case AT91_SOC_SAMA5D4:
>> mode_reg = base + AT91_SAMA5_SMC_MODE;
>> break;
>> --
>> 2.39.1
>>
>
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