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authorNiel Fourie <lusus@denx.de>2019-06-03 15:31:17 +0200
committerTom Rini <trini@konsulko.com>2019-07-13 11:11:28 -0400
commit6e171b661e1d912d3e34fd3e53944f545a54a8f7 (patch)
tree5234121a65c625b23ed6a36994dcf893dd96188d /board/phytec/phycore_am335x_r2/mux.c
parent1d259e4d6862872b7a9c1d240eaa4b4cec95aadf (diff)
ARM: am335x: Add phyCORE AM335x R2 support
Support for Phytech phyCORE AM335x R2 SOM (PCL060) on the Phytec phyBOARD-Wega AM335x. CPU : AM335X-GP rev 2.1 Model: Phytec AM335x phyBOARD-WEGA DRAM: 256 MiB NAND: 256 MiB MMC: OMAP SD/MMC: 0 eth0: ethernet@4a100000 Working: - Eth0 - i2C - MMC/SD - NAND - UART - USB (host) Device trees were taken from Linux mainline: commit 37624b58542f ("Linux 5.1-rc7") Signed-off-by: Niel Fourie <lusus@denx.de> Signed-off-by: Parthiban Nallathambi <pn@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de> Reviewed-by: Tom Rini <trini@konsulko.com> Tested-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'board/phytec/phycore_am335x_r2/mux.c')
-rw-r--r--board/phytec/phycore_am335x_r2/mux.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/board/phytec/phycore_am335x_r2/mux.c b/board/phytec/phycore_am335x_r2/mux.c
new file mode 100644
index 0000000000..5fd452e66d
--- /dev/null
+++ b/board/phytec/phycore_am335x_r2/mux.c
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * mux.c
+ *
+ * Copyright (C) 2013 Lars Poeschel, Lemonage Software GmbH
+ * Copyright (C) 2019 DENX Software Engineering GmbH
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/io.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+ {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART0_RXD */
+ {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /* UART0_TXD */
+ {-1},
+};
+
+#ifdef CONFIG_MMC
+static struct module_pin_mux mmc0_pin_mux[] = {
+ {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */
+ {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */
+ {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT1 */
+ {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */
+ {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
+ {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */
+ {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */
+ {-1},
+};
+#endif
+
+static struct module_pin_mux i2c0_pin_mux[] = {
+ {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
+ PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
+ {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
+ PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
+ {-1},
+};
+
+#ifdef CONFIG_SPI
+static struct module_pin_mux spi0_pin_mux[] = {
+ {OFFSET(spi0_sclk), (MODE(0) | RXACTIVE | PULLUDEN)}, /* SPI0_SCLK */
+ {OFFSET(spi0_d0), (MODE(0) | RXACTIVE |
+ PULLUDEN | PULLUP_EN)}, /* SPI0_D0 */
+ {OFFSET(spi0_d1), (MODE(0) | RXACTIVE | PULLUDEN)}, /* SPI0_D1 */
+ {OFFSET(spi0_cs0), (MODE(0) | RXACTIVE |
+ PULLUDEN | PULLUP_EN)}, /* SPI0_CS0 */
+ {-1},
+};
+#endif
+
+static struct module_pin_mux rmii1_pin_mux[] = {
+ {OFFSET(mii1_crs), MODE(1) | RXACTIVE}, /* RMII1_CRS */
+ {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE}, /* RMII1_RXERR */
+ {OFFSET(mii1_txen), MODE(1)}, /* RMII1_TXEN */
+ {OFFSET(mii1_txd1), MODE(1)}, /* RMII1_TXD1 */
+ {OFFSET(mii1_txd0), MODE(1)}, /* RMII1_TXD0 */
+ {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE}, /* RMII1_RXD1 */
+ {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE}, /* RMII1_RXD0 */
+ {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
+ {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
+ {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE}, /* RMII1_REFCLK */
+ {-1},
+};
+
+static struct module_pin_mux cbmux_pin_mux[] = {
+ {OFFSET(uart0_ctsn), MODE(7) | RXACTIVE | PULLDOWN_EN}, /* JP3 */
+ {OFFSET(uart0_rtsn), MODE(7) | RXACTIVE | PULLUP_EN}, /* JP4 */
+ {-1},
+};
+
+#ifdef CONFIG_NAND
+static struct module_pin_mux nand_pin_mux[] = {
+ {OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD0 */
+ {OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD1 */
+ {OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD2 */
+ {OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD3 */
+ {OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD4 */
+ {OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD5 */
+ {OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD6 */
+ {OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD7 */
+ {OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
+ {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)}, /* NAND_WPN */
+ {OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)}, /* NAND_CS0 */
+ {OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */
+ {OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)}, /* NAND_OE */
+ {OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)}, /* NAND_WEN */
+ {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)}, /* NAND_BE_CLE */
+ {-1},
+};
+#endif
+
+void enable_uart0_pin_mux(void)
+{
+ configure_module_pin_mux(uart0_pin_mux);
+}
+
+void enable_i2c0_pin_mux(void)
+{
+ configure_module_pin_mux(i2c0_pin_mux);
+}
+
+void enable_board_pin_mux(void)
+{
+ configure_module_pin_mux(rmii1_pin_mux);
+ configure_module_pin_mux(mmc0_pin_mux);
+ configure_module_pin_mux(cbmux_pin_mux);
+#ifdef CONFIG_NAND
+ configure_module_pin_mux(nand_pin_mux);
+#endif
+#ifdef CONFIG_SPI
+ configure_module_pin_mux(spi0_pin_mux);
+#endif
+}