diff options
Diffstat (limited to 'board/ti/am335x/mux.c')
-rw-r--r-- | board/ti/am335x/mux.c | 316 |
1 files changed, 75 insertions, 241 deletions
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c index 80becd5..8437ef5 100644 --- a/board/ti/am335x/mux.c +++ b/board/ti/am335x/mux.c @@ -16,246 +16,44 @@ #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}, }; @@ -271,6 +69,17 @@ static struct module_pin_mux mmc0_pin_mux[] = { {-1}, }; +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 */ @@ -362,25 +171,35 @@ static struct module_pin_mux mii1_pin_mux[] = { {-1}, }; -/* - * Configure the pin mux for the module - */ -static void configure_module_pin_mux(struct module_pin_mux *mod_pin_mux) +void enable_uart0_pin_mux(void) { - int i; + configure_module_pin_mux(uart0_pin_mux); +} - if (!mod_pin_mux) - return; +void enable_uart1_pin_mux(void) +{ + configure_module_pin_mux(uart1_pin_mux); +} - for (i = 0; mod_pin_mux[i].reg_offset != -1; i++) - MUX_CFG(mod_pin_mux[i].val, mod_pin_mux[i].reg_offset); +void enable_uart2_pin_mux(void) +{ + configure_module_pin_mux(uart2_pin_mux); } -void enable_uart0_pin_mux(void) +void enable_uart3_pin_mux(void) { - configure_module_pin_mux(uart0_pin_mux); + 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); +} void enable_i2c0_pin_mux(void) { @@ -442,12 +261,27 @@ void enable_board_pin_mux(struct am335x_baseboard_id *header) 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(); |