diff options
| author | Marek Vasut <[email protected]> | 2023-09-21 20:44:20 +0200 |
|---|---|---|
| committer | Stefano Babic <[email protected]> | 2023-10-16 16:25:10 +0200 |
| commit | 24985686feae92b039f6749bedf9847e907c9087 (patch) | |
| tree | 6d80aa4f1af12962075b9e048835ad8cb51098c6 /board/dhelectronics | |
| parent | 68e0d92d33804b89973a215ae4ee212ecae7f4ea (diff) | |
arm64: dts: imx8mp: Add DT overlay describing i.MX8MP DHCOM SoM rev.100
The current imx8mp-dhcom-som.dtsi describes production rev.200 SoM,
add DT overlay which reinstates rev.100 SoM description to permit
prototype rev.100 SoMs to be used until they get phased out.
Signed-off-by: Marek Vasut <[email protected]>
Diffstat (limited to 'board/dhelectronics')
| -rw-r--r-- | board/dhelectronics/dh_imx8mp/spl.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/dhelectronics/dh_imx8mp/spl.c b/board/dhelectronics/dh_imx8mp/spl.c index 8dc464b1dd7..1b05da53c35 100644 --- a/board/dhelectronics/dh_imx8mp/spl.c +++ b/board/dhelectronics/dh_imx8mp/spl.c @@ -44,6 +44,7 @@ static const iomux_v3_cfg_t wdog_pads[] = { }; static bool dh_gigabit_eqos, dh_gigabit_fec; +static u8 dh_som_rev; static void dh_imx8mp_early_init_f(void) { @@ -166,6 +167,15 @@ int board_spl_fit_append_fdt_skip(const char *name) } } + if (dh_som_rev == 0x0) { /* Prototype SoM rev.100 */ + if (!strcmp(name, "fdt-dto-imx8mp-dhcom-som-overlay-rev100")) + return 0; + + if (!strcmp(name, "fdt-dto-imx8mp-dhcom-pdk3-overlay-rev100") && + of_machine_is_compatible("dh,imx8mp-dhcom-pdk3")) + return 0; + } + return 1; /* Skip this DTO */ } @@ -175,6 +185,9 @@ static void dh_imx8mp_board_cache_config(void) const u32 mux_sion[] = { FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_ENET_RX_CTL__GPIO1_IO24), FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_SAI1_TXFS__GPIO4_IO10), + FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_NAND_DQS__GPIO3_IO14), + FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_SAI1_TXD7__GPIO4_IO19), + FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_SAI5_MCLK__GPIO3_IO25), }; int i; @@ -183,6 +196,9 @@ static void dh_imx8mp_board_cache_config(void) dh_gigabit_eqos = !(readl(GPIO1_BASE_ADDR) & BIT(24)); dh_gigabit_fec = !(readl(GPIO4_BASE_ADDR) & BIT(10)); + dh_som_rev = !!(readl(GPIO3_BASE_ADDR) & BIT(14)); + dh_som_rev |= !!(readl(GPIO4_BASE_ADDR) & BIT(19)) << 1; + dh_som_rev |= !!(readl(GPIO3_BASE_ADDR) & BIT(25)) << 2; for (i = 0; i < ARRAY_SIZE(mux_sion); i++) clrbits_le32(mux_base + mux_sion[i], IOMUX_CONFIG_SION); |