* GNU General Public License for more details.
*/
-#include <config.h>
-#include <asm/arch/common_def.h>
+#include <common.h>
+#include <asm/arch/sys_proto.h>
#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
#include <asm/io.h>
+#include <i2c.h>
+#include "board.h"
-#define MUX_CFG(value, offset) \
- __raw_writel(value, (CTRL_BASE + offset));
+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},
+};
-/* PAD Control Fields */
-#define SLEWCTRL (0x1 << 6)
-#define RXACTIVE (0x1 << 5)
-#define PULLUP_EN (0x1 << 4) /* Pull UP Selection */
-#define PULLUDEN (0x0 << 3) /* Pull up enabled */
-#define PULLUDDIS (0x1 << 3) /* Pull up disabled */
-#define MODE(val) val /* used for Readability */
+static struct module_pin_mux uart1_pin_mux[] = {
+ {OFFSET(uart1_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART1_RXD */
+ {OFFSET(uart1_txd), (MODE(0) | PULLUDEN)}, /* UART1_TXD */
+ {-1},
+};
-/*
- * PAD CONTROL OFFSETS
- * Field names corresponds to the pad signal name
- */
-struct pad_signals {
- int gpmc_ad0;
- int gpmc_ad1;
- int gpmc_ad2;
- int gpmc_ad3;
- int gpmc_ad4;
- int gpmc_ad5;
- int gpmc_ad6;
- int gpmc_ad7;
- int gpmc_ad8;
- int gpmc_ad9;
- int gpmc_ad10;
- int gpmc_ad11;
- int gpmc_ad12;
- int gpmc_ad13;
- int gpmc_ad14;
- int gpmc_ad15;
- int gpmc_a0;
- int gpmc_a1;
- int gpmc_a2;
- int gpmc_a3;
- int gpmc_a4;
- int gpmc_a5;
- int gpmc_a6;
- int gpmc_a7;
- int gpmc_a8;
- int gpmc_a9;
- int gpmc_a10;
- int gpmc_a11;
- int gpmc_wait0;
- int gpmc_wpn;
- int gpmc_be1n;
- int gpmc_csn0;
- int gpmc_csn1;
- int gpmc_csn2;
- int gpmc_csn3;
- int gpmc_clk;
- int gpmc_advn_ale;
- int gpmc_oen_ren;
- int gpmc_wen;
- int gpmc_be0n_cle;
- int lcd_data0;
- int lcd_data1;
- int lcd_data2;
- int lcd_data3;
- int lcd_data4;
- int lcd_data5;
- int lcd_data6;
- int lcd_data7;
- int lcd_data8;
- int lcd_data9;
- int lcd_data10;
- int lcd_data11;
- int lcd_data12;
- int lcd_data13;
- int lcd_data14;
- int lcd_data15;
- int lcd_vsync;
- int lcd_hsync;
- int lcd_pclk;
- int lcd_ac_bias_en;
- int mmc0_dat3;
- int mmc0_dat2;
- int mmc0_dat1;
- int mmc0_dat0;
- int mmc0_clk;
- int mmc0_cmd;
- int mii1_col;
- int mii1_crs;
- int mii1_rxerr;
- int mii1_txen;
- int mii1_rxdv;
- int mii1_txd3;
- int mii1_txd2;
- int mii1_txd1;
- int mii1_txd0;
- int mii1_txclk;
- int mii1_rxclk;
- int mii1_rxd3;
- int mii1_rxd2;
- int mii1_rxd1;
- int mii1_rxd0;
- int rmii1_refclk;
- int mdio_data;
- int mdio_clk;
- int spi0_sclk;
- int spi0_d0;
- int spi0_d1;
- int spi0_cs0;
- int spi0_cs1;
- int ecap0_in_pwm0_out;
- int uart0_ctsn;
- int uart0_rtsn;
- int uart0_rxd;
- int uart0_txd;
- int uart1_ctsn;
- int uart1_rtsn;
- int uart1_rxd;
- int uart1_txd;
- int i2c0_sda;
- int i2c0_scl;
- int mcasp0_aclkx;
- int mcasp0_fsx;
- int mcasp0_axr0;
- int mcasp0_ahclkr;
- int mcasp0_aclkr;
- int mcasp0_fsr;
- int mcasp0_axr1;
- int mcasp0_ahclkx;
- int xdma_event_intr0;
- int xdma_event_intr1;
- int nresetin_out;
- int porz;
- int nnmi;
- int osc0_in;
- int osc0_out;
- int rsvd1;
- int tms;
- int tdi;
- int tdo;
- int tck;
- int ntrst;
- int emu0;
- int emu1;
- int osc1_in;
- int osc1_out;
- int pmic_power_en;
- int rtc_porz;
- int rsvd2;
- int ext_wakeup;
- int enz_kaldo_1p8v;
- int usb0_dm;
- int usb0_dp;
- int usb0_ce;
- int usb0_id;
- int usb0_vbus;
- int usb0_drvvbus;
- int usb1_dm;
- int usb1_dp;
- int usb1_ce;
- int usb1_id;
- int usb1_vbus;
- int usb1_drvvbus;
- int ddr_resetn;
- int ddr_csn0;
- int ddr_cke;
- int ddr_ck;
- int ddr_nck;
- int ddr_casn;
- int ddr_rasn;
- int ddr_wen;
- int ddr_ba0;
- int ddr_ba1;
- int ddr_ba2;
- int ddr_a0;
- int ddr_a1;
- int ddr_a2;
- int ddr_a3;
- int ddr_a4;
- int ddr_a5;
- int ddr_a6;
- int ddr_a7;
- int ddr_a8;
- int ddr_a9;
- int ddr_a10;
- int ddr_a11;
- int ddr_a12;
- int ddr_a13;
- int ddr_a14;
- int ddr_a15;
- int ddr_odt;
- int ddr_d0;
- int ddr_d1;
- int ddr_d2;
- int ddr_d3;
- int ddr_d4;
- int ddr_d5;
- int ddr_d6;
- int ddr_d7;
- int ddr_d8;
- int ddr_d9;
- int ddr_d10;
- int ddr_d11;
- int ddr_d12;
- int ddr_d13;
- int ddr_d14;
- int ddr_d15;
- int ddr_dqm0;
- int ddr_dqm1;
- int ddr_dqs0;
- int ddr_dqsn0;
- int ddr_dqs1;
- int ddr_dqsn1;
- int ddr_vref;
- int ddr_vtp;
- int ddr_strben0;
- int ddr_strben1;
- int ain7;
- int ain6;
- int ain5;
- int ain4;
- int ain3;
- int ain2;
- int ain1;
- int ain0;
- int vrefp;
- int vrefn;
+static struct module_pin_mux uart2_pin_mux[] = {
+ {OFFSET(spi0_sclk), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART2_RXD */
+ {OFFSET(spi0_d0), (MODE(1) | PULLUDEN)}, /* UART2_TXD */
+ {-1},
};
-struct module_pin_mux {
- short reg_offset;
- unsigned char val;
+static struct module_pin_mux uart3_pin_mux[] = {
+ {OFFSET(spi0_cs1), (MODE(1) | PULLUP_EN | RXACTIVE)}, /* UART3_RXD */
+ {OFFSET(ecap0_in_pwm0_out), (MODE(1) | PULLUDEN)}, /* UART3_TXD */
+ {-1},
};
-/* Pad control register offset */
-#define PAD_CTRL_BASE 0x800
-#define OFFSET(x) (unsigned int) (&((struct pad_signals *) \
- (PAD_CTRL_BASE))->x)
+static struct module_pin_mux uart4_pin_mux[] = {
+ {OFFSET(gpmc_wait0), (MODE(6) | PULLUP_EN | RXACTIVE)}, /* UART4_RXD */
+ {OFFSET(gpmc_wpn), (MODE(6) | PULLUDEN)}, /* UART4_TXD */
+ {-1},
+};
-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 */
+static struct module_pin_mux uart5_pin_mux[] = {
+ {OFFSET(lcd_data9), (MODE(4) | PULLUP_EN | RXACTIVE)}, /* UART5_RXD */
+ {OFFSET(lcd_data8), (MODE(4) | PULLUDEN)}, /* UART5_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(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */
{-1},
};
-#endif
+
+static struct module_pin_mux mmc0_no_cd_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(mcasp0_aclkr), (MODE(4) | RXACTIVE)}, /* MMC0_WP */
+ {-1},
+};
+
+static struct module_pin_mux mmc0_pin_mux_sk_evm[] = {
+ {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},
+};
+
+static struct module_pin_mux mmc1_pin_mux[] = {
+ {OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
+ {OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT2 */
+ {OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT1 */
+ {OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT0 */
+ {OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* MMC1_CLK */
+ {OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* MMC1_CMD */
+ {OFFSET(gpmc_csn0), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* MMC1_WP */
+ {OFFSET(gpmc_advn_ale), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* MMC1_CD */
+ {-1},
+};
static struct module_pin_mux i2c0_pin_mux[] = {
{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
{-1},
};
-/*
- * Configure the pin mux for the module
- */
-static void configure_module_pin_mux(struct module_pin_mux *mod_pin_mux)
-{
- int i;
+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},
+};
- if (!mod_pin_mux)
- return;
+static struct module_pin_mux gpio0_7_pin_mux[] = {
+ {OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDEN)}, /* GPIO0_7 */
+ {-1},
+};
- for (i = 0; mod_pin_mux[i].reg_offset != -1; i++)
- MUX_CFG(mod_pin_mux[i].val, mod_pin_mux[i].reg_offset);
-}
+static struct module_pin_mux rgmii1_pin_mux[] = {
+ {OFFSET(mii1_txen), MODE(2)}, /* RGMII1_TCTL */
+ {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE}, /* RGMII1_RCTL */
+ {OFFSET(mii1_txd3), MODE(2)}, /* RGMII1_TD3 */
+ {OFFSET(mii1_txd2), MODE(2)}, /* RGMII1_TD2 */
+ {OFFSET(mii1_txd1), MODE(2)}, /* RGMII1_TD1 */
+ {OFFSET(mii1_txd0), MODE(2)}, /* RGMII1_TD0 */
+ {OFFSET(mii1_txclk), MODE(2)}, /* RGMII1_TCLK */
+ {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE}, /* RGMII1_RCLK */
+ {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE}, /* RGMII1_RD3 */
+ {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE}, /* RGMII1_RD2 */
+ {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE}, /* RGMII1_RD1 */
+ {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE}, /* RGMII1_RD0 */
+ {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
+ {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
+ {-1},
+};
+
+static struct module_pin_mux mii1_pin_mux[] = {
+ {OFFSET(mii1_rxerr), MODE(0) | RXACTIVE}, /* MII1_RXERR */
+ {OFFSET(mii1_txen), MODE(0)}, /* MII1_TXEN */
+ {OFFSET(mii1_rxdv), MODE(0) | RXACTIVE}, /* MII1_RXDV */
+ {OFFSET(mii1_txd3), MODE(0)}, /* MII1_TXD3 */
+ {OFFSET(mii1_txd2), MODE(0)}, /* MII1_TXD2 */
+ {OFFSET(mii1_txd1), MODE(0)}, /* MII1_TXD1 */
+ {OFFSET(mii1_txd0), MODE(0)}, /* MII1_TXD0 */
+ {OFFSET(mii1_txclk), MODE(0) | RXACTIVE}, /* MII1_TXCLK */
+ {OFFSET(mii1_rxclk), MODE(0) | RXACTIVE}, /* MII1_RXCLK */
+ {OFFSET(mii1_rxd3), MODE(0) | RXACTIVE}, /* MII1_RXD3 */
+ {OFFSET(mii1_rxd2), MODE(0) | RXACTIVE}, /* MII1_RXD2 */
+ {OFFSET(mii1_rxd1), MODE(0) | RXACTIVE}, /* MII1_RXD1 */
+ {OFFSET(mii1_rxd0), MODE(0) | RXACTIVE}, /* MII1_RXD0 */
+ {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
+ {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
+ {-1},
+};
void enable_uart0_pin_mux(void)
{
configure_module_pin_mux(uart0_pin_mux);
}
-#ifdef CONFIG_MMC
-void enable_mmc0_pin_mux(void)
+void enable_uart1_pin_mux(void)
{
- configure_module_pin_mux(mmc0_pin_mux);
+ configure_module_pin_mux(uart1_pin_mux);
+}
+
+void enable_uart2_pin_mux(void)
+{
+ configure_module_pin_mux(uart2_pin_mux);
+}
+
+void enable_uart3_pin_mux(void)
+{
+ configure_module_pin_mux(uart3_pin_mux);
+}
+
+void enable_uart4_pin_mux(void)
+{
+ configure_module_pin_mux(uart4_pin_mux);
+}
+
+void enable_uart5_pin_mux(void)
+{
+ configure_module_pin_mux(uart5_pin_mux);
}
-#endif
void enable_i2c0_pin_mux(void)
{
configure_module_pin_mux(i2c0_pin_mux);
}
-void enable_i2c1_pin_mux(void)
+/*
+ * The AM335x GP EVM, if daughter card(s) are connected, can have 8
+ * different profiles. These profiles determine what peripherals are
+ * valid and need pinmux to be configured.
+ */
+#define PROFILE_NONE 0x0
+#define PROFILE_0 (1 << 0)
+#define PROFILE_1 (1 << 1)
+#define PROFILE_2 (1 << 2)
+#define PROFILE_3 (1 << 3)
+#define PROFILE_4 (1 << 4)
+#define PROFILE_5 (1 << 5)
+#define PROFILE_6 (1 << 6)
+#define PROFILE_7 (1 << 7)
+#define PROFILE_MASK 0x7
+#define PROFILE_ALL 0xFF
+
+/* CPLD registers */
+#define I2C_CPLD_ADDR 0x35
+#define CFG_REG 0x10
+
+static unsigned short detect_daughter_board_profile(void)
+{
+ unsigned short val;
+
+ if (i2c_probe(I2C_CPLD_ADDR))
+ return PROFILE_NONE;
+
+ if (i2c_read(I2C_CPLD_ADDR, CFG_REG, 1, (unsigned char *)(&val), 2))
+ return PROFILE_NONE;
+
+ return (1 << (val & PROFILE_MASK));
+}
+
+void enable_board_pin_mux(struct am335x_baseboard_id *header)
{
- configure_module_pin_mux(i2c1_pin_mux);
+ /* Do board-specific muxes. */
+ if (!strncmp(header->name, "A335BONE", HDR_NAME_LEN)) {
+ /* Beaglebone pinmux */
+ configure_module_pin_mux(i2c1_pin_mux);
+ configure_module_pin_mux(mii1_pin_mux);
+ configure_module_pin_mux(mmc0_pin_mux);
+ configure_module_pin_mux(mmc1_pin_mux);
+ } else if (!strncmp(header->config, "SKU#01", 6)) {
+ /* General Purpose EVM */
+ unsigned short profile = detect_daughter_board_profile();
+ configure_module_pin_mux(rgmii1_pin_mux);
+ configure_module_pin_mux(mmc0_pin_mux);
+ /* In profile #2 i2c1 and spi0 conflict. */
+ if (profile & ~PROFILE_2)
+ configure_module_pin_mux(i2c1_pin_mux);
+ else if (profile == PROFILE_2) {
+ configure_module_pin_mux(mmc1_pin_mux);
+ configure_module_pin_mux(spi0_pin_mux);
+ }
+ } else if (!strncmp(header->config, "SKU#02", 6)) {
+ /*
+ * Industrial Motor Control (IDK)
+ * note: IDK console is on UART3 by default.
+ * So u-boot mus be build with CONFIG_SERIAL4 and
+ * CONFIG_CONS_INDEX=4
+ */
+ configure_module_pin_mux(mii1_pin_mux);
+ configure_module_pin_mux(mmc0_no_cd_pin_mux);
+ } else if (!strncmp(header->name, "A335X_SK", HDR_NAME_LEN)) {
+ /* Starter Kit EVM */
+ configure_module_pin_mux(i2c1_pin_mux);
+ configure_module_pin_mux(gpio0_7_pin_mux);
+ configure_module_pin_mux(rgmii1_pin_mux);
+ configure_module_pin_mux(mmc0_pin_mux_sk_evm);
+ } else if (!strncmp(header->name, "A335BNLT", HDR_NAME_LEN)) {
+ /* Beaglebone LT pinmux */
+ configure_module_pin_mux(i2c1_pin_mux);
+ configure_module_pin_mux(mii1_pin_mux);
+ configure_module_pin_mux(mmc0_pin_mux);
+ configure_module_pin_mux(mmc1_pin_mux);
+ } else {
+ puts("Unknown board, cannot configure pinmux.");
+ hang();
+ }
}
projects / platform / kernel / u-boot.git / blobdiff