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// SPDX-License-Identifier: GPL-2.0-or-later
#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;
}
static const struct of_device_id sama5d3_xplained_of_match[] = {
{ .compatible = "atmel,sama5d3-xplained" },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, sama5d3_xplained_of_match);
static struct driver sama5d3_xplained_board_driver = {
.name = "board-sama5d3_xplained",
.probe = sama5d3_xplained_probe,
.of_compatible = sama5d3_xplained_of_match,
};
coredevice_platform_driver(sama5d3_xplained_board_driver);
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