diff options
-rw-r--r-- | arch/arm/mach-omap2/board-3430sdp.c | 100 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-4430sdp.c | 68 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-omap4panda.c | 68 | ||||
-rw-r--r-- | arch/arm/mach-omap2/serial.c | 155 |
4 files changed, 133 insertions, 258 deletions
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index 8312636..109b4341 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -475,106 +475,8 @@ static const struct usbhs_omap_board_data usbhs_bdata __initconst = { static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; - -static struct omap_device_pad serial1_pads[] __initdata = { - /* - * Note that off output enable is an active low - * signal. So setting this means pin is a - * input enabled in off mode - */ - OMAP_MUX_STATIC("uart1_cts.uart1_cts", - OMAP_PIN_INPUT | - OMAP_PIN_OFF_INPUT_PULLDOWN | - OMAP_OFFOUT_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart1_rts.uart1_rts", - OMAP_PIN_OUTPUT | - OMAP_OFF_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart1_rx.uart1_rx", - OMAP_PIN_INPUT | - OMAP_PIN_OFF_INPUT_PULLDOWN | - OMAP_OFFOUT_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart1_tx.uart1_tx", - OMAP_PIN_OUTPUT | - OMAP_OFF_EN | - OMAP_MUX_MODE0), -}; - -static struct omap_device_pad serial2_pads[] __initdata = { - OMAP_MUX_STATIC("uart2_cts.uart2_cts", - OMAP_PIN_INPUT_PULLUP | - OMAP_PIN_OFF_INPUT_PULLDOWN | - OMAP_OFFOUT_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_rts.uart2_rts", - OMAP_PIN_OUTPUT | - OMAP_OFF_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_rx.uart2_rx", - OMAP_PIN_INPUT | - OMAP_PIN_OFF_INPUT_PULLDOWN | - OMAP_OFFOUT_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_tx.uart2_tx", - OMAP_PIN_OUTPUT | - OMAP_OFF_EN | - OMAP_MUX_MODE0), -}; - -static struct omap_device_pad serial3_pads[] __initdata = { - OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx", - OMAP_PIN_INPUT_PULLDOWN | - OMAP_PIN_OFF_INPUT_PULLDOWN | - OMAP_OFFOUT_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd", - OMAP_PIN_OUTPUT | - OMAP_OFF_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx", - OMAP_PIN_INPUT | - OMAP_PIN_OFF_INPUT_PULLDOWN | - OMAP_OFFOUT_EN | - OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx", - OMAP_PIN_OUTPUT | - OMAP_OFF_EN | - OMAP_MUX_MODE0), -}; - -static struct omap_board_data serial1_data __initdata = { - .id = 0, - .pads = serial1_pads, - .pads_cnt = ARRAY_SIZE(serial1_pads), -}; - -static struct omap_board_data serial2_data __initdata = { - .id = 1, - .pads = serial2_pads, - .pads_cnt = ARRAY_SIZE(serial2_pads), -}; - -static struct omap_board_data serial3_data __initdata = { - .id = 2, - .pads = serial3_pads, - .pads_cnt = ARRAY_SIZE(serial3_pads), -}; - -static inline void board_serial_init(void) -{ - omap_serial_init_port(&serial1_data); - omap_serial_init_port(&serial2_data); - omap_serial_init_port(&serial3_data); -} #else #define board_mux NULL - -static inline void board_serial_init(void) -{ - omap_serial_init(); -} #endif /* @@ -711,7 +613,7 @@ static void __init omap_3430sdp_init(void) else gpio_pendown = SDP3430_TS_GPIO_IRQ_SDPV1; omap_ads7846_init(1, gpio_pendown, 310, NULL); - board_serial_init(); + omap_serial_init(); omap_sdrc_init(hyb18m512160af6_sdrc_params, NULL); usb_musb_init(NULL); board_smc91x_init(); diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index ef2bbc0..5f264fa 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -837,74 +837,8 @@ static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; -static struct omap_device_pad serial2_pads[] __initdata = { - OMAP_MUX_STATIC("uart2_cts.uart2_cts", - OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_rts.uart2_rts", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_rx.uart2_rx", - OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_tx.uart2_tx", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), -}; - -static struct omap_device_pad serial3_pads[] __initdata = { - OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx", - OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx", - OMAP_PIN_INPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), -}; - -static struct omap_device_pad serial4_pads[] __initdata = { - OMAP_MUX_STATIC("uart4_rx.uart4_rx", - OMAP_PIN_INPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart4_tx.uart4_tx", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), -}; - -static struct omap_board_data serial2_data __initdata = { - .id = 1, - .pads = serial2_pads, - .pads_cnt = ARRAY_SIZE(serial2_pads), -}; - -static struct omap_board_data serial3_data __initdata = { - .id = 2, - .pads = serial3_pads, - .pads_cnt = ARRAY_SIZE(serial3_pads), -}; - -static struct omap_board_data serial4_data __initdata = { - .id = 3, - .pads = serial4_pads, - .pads_cnt = ARRAY_SIZE(serial4_pads), -}; - -static inline void board_serial_init(void) -{ - struct omap_board_data bdata; - bdata.flags = 0; - bdata.pads = NULL; - bdata.pads_cnt = 0; - bdata.id = 0; - /* pass dummy data for UART1 */ - omap_serial_init_port(&bdata); - - omap_serial_init_port(&serial2_data); - omap_serial_init_port(&serial3_data); - omap_serial_init_port(&serial4_data); -} #else #define board_mux NULL - -static inline void board_serial_init(void) -{ - omap_serial_init(); -} #endif static void omap4_sdp4430_wifi_mux_init(void) @@ -954,7 +888,7 @@ static void __init omap_4430sdp_init(void) omap4_i2c_init(); omap_sfh7741prox_init(); platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices)); - board_serial_init(); + omap_serial_init(); omap_sdrc_init(NULL, NULL); omap4_sdp4430_wifi_init(); omap4_twl6030_hsmmc_init(mmc); diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index b6f1144..ea45f58 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -364,74 +364,8 @@ static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; -static struct omap_device_pad serial2_pads[] __initdata = { - OMAP_MUX_STATIC("uart2_cts.uart2_cts", - OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_rts.uart2_rts", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_rx.uart2_rx", - OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart2_tx.uart2_tx", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), -}; - -static struct omap_device_pad serial3_pads[] __initdata = { - OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx", - OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx", - OMAP_PIN_INPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), -}; - -static struct omap_device_pad serial4_pads[] __initdata = { - OMAP_MUX_STATIC("uart4_rx.uart4_rx", - OMAP_PIN_INPUT | OMAP_MUX_MODE0), - OMAP_MUX_STATIC("uart4_tx.uart4_tx", - OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), -}; - -static struct omap_board_data serial2_data __initdata = { - .id = 1, - .pads = serial2_pads, - .pads_cnt = ARRAY_SIZE(serial2_pads), -}; - -static struct omap_board_data serial3_data __initdata = { - .id = 2, - .pads = serial3_pads, - .pads_cnt = ARRAY_SIZE(serial3_pads), -}; - -static struct omap_board_data serial4_data __initdata = { - .id = 3, - .pads = serial4_pads, - .pads_cnt = ARRAY_SIZE(serial4_pads), -}; - -static inline void board_serial_init(void) -{ - struct omap_board_data bdata; - bdata.flags = 0; - bdata.pads = NULL; - bdata.pads_cnt = 0; - bdata.id = 0; - /* pass dummy data for UART1 */ - omap_serial_init_port(&bdata); - - omap_serial_init_port(&serial2_data); - omap_serial_init_port(&serial3_data); - omap_serial_init_port(&serial4_data); -} #else #define board_mux NULL - -static inline void board_serial_init(void) -{ - omap_serial_init(); -} #endif /* Display DVI */ @@ -562,7 +496,7 @@ static void __init omap4_panda_init(void) omap4_panda_i2c_init(); platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); platform_device_register(&omap_vwlan_device); - board_serial_init(); + omap_serial_init(); omap_sdrc_init(NULL, NULL); omap4_twl6030_hsmmc_init(mmc); omap4_ehci_init(); diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 5bdbc42..77feaab 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -62,7 +62,6 @@ struct omap_uart_state { void __iomem *wk_st; void __iomem *wk_en; u32 wk_mask; - u32 padconf; u32 dma_enabled; int clocked; @@ -272,13 +271,6 @@ static void omap_uart_enable_wakeup(struct omap_uart_state *uart) v |= uart->wk_mask; __raw_writel(v, uart->wk_en); } - - /* Ensure IOPAD wake-enables are set */ - if (cpu_is_omap34xx() && uart->padconf) { - u16 v = omap_ctrl_readw(uart->padconf); - v |= OMAP3_PADCONF_WAKEUPENABLE0; - omap_ctrl_writew(v, uart->padconf); - } } static void omap_uart_disable_wakeup(struct omap_uart_state *uart) @@ -289,13 +281,6 @@ static void omap_uart_disable_wakeup(struct omap_uart_state *uart) v &= ~uart->wk_mask; __raw_writel(v, uart->wk_en); } - - /* Ensure IOPAD wake-enables are cleared */ - if (cpu_is_omap34xx() && uart->padconf) { - u16 v = omap_ctrl_readw(uart->padconf); - v &= ~OMAP3_PADCONF_WAKEUPENABLE0; - omap_ctrl_writew(v, uart->padconf); - } } static void omap_uart_smart_idle_enable(struct omap_uart_state *uart, @@ -358,7 +343,6 @@ static void omap_uart_idle_init(struct omap_uart_state *uart) if (cpu_is_omap34xx() && !(cpu_is_ti81xx() || cpu_is_am33xx())) { u32 mod = (uart->num > 1) ? OMAP3430_PER_MOD : CORE_MOD; u32 wk_mask = 0; - u32 padconf = 0; /* XXX These PRM accesses do not belong here */ uart->wk_en = OMAP34XX_PRM_REGADDR(mod, PM_WKEN1); @@ -366,23 +350,18 @@ static void omap_uart_idle_init(struct omap_uart_state *uart) switch (uart->num) { case 0: wk_mask = OMAP3430_ST_UART1_MASK; - padconf = 0x182; break; case 1: wk_mask = OMAP3430_ST_UART2_MASK; - padconf = 0x17a; break; case 2: wk_mask = OMAP3430_ST_UART3_MASK; - padconf = 0x19e; break; case 3: wk_mask = OMAP3630_ST_UART4_MASK; - padconf = 0x0d2; break; } uart->wk_mask = wk_mask; - uart->padconf = padconf; } else if (cpu_is_omap24xx()) { u32 wk_mask = 0; u32 wk_en = PM_WKEN1, wk_st = PM_WKST1; @@ -412,12 +391,10 @@ static void omap_uart_idle_init(struct omap_uart_state *uart) uart->wk_en = NULL; uart->wk_st = NULL; uart->wk_mask = 0; - uart->padconf = 0; } } #else -static inline void omap_uart_idle_init(struct omap_uart_state *uart) {} static void omap_uart_block_sleep(struct omap_uart_state *uart) { /* Needed to enable UART clocks when built without CONFIG_PM */ @@ -425,6 +402,130 @@ static void omap_uart_block_sleep(struct omap_uart_state *uart) } #endif /* CONFIG_PM */ +#ifdef CONFIG_OMAP_MUX +static struct omap_device_pad default_uart1_pads[] __initdata = { + { + .name = "uart1_cts.uart1_cts", + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, + { + .name = "uart1_rts.uart1_rts", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart1_tx.uart1_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart1_rx.uart1_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, +}; + +static struct omap_device_pad default_uart2_pads[] __initdata = { + { + .name = "uart2_cts.uart2_cts", + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, + { + .name = "uart2_rts.uart2_rts", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart2_tx.uart2_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart2_rx.uart2_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, +}; + +static struct omap_device_pad default_uart3_pads[] __initdata = { + { + .name = "uart3_cts_rctx.uart3_cts_rctx", + .enable = OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0, + }, + { + .name = "uart3_rts_sd.uart3_rts_sd", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart3_tx_irtx.uart3_tx_irtx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart3_rx_irrx.uart3_rx_irrx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + }, +}; + +static struct omap_device_pad default_omap36xx_uart4_pads[] __initdata = { + { + .name = "gpmc_wait2.uart4_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "gpmc_wait3.uart4_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE2, + .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE2, + }, +}; + +static struct omap_device_pad default_omap4_uart4_pads[] __initdata = { + { + .name = "uart4_tx.uart4_tx", + .enable = OMAP_PIN_OUTPUT | OMAP_MUX_MODE0, + }, + { + .name = "uart4_rx.uart4_rx", + .flags = OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP, + .enable = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + .idle = OMAP_PIN_INPUT | OMAP_MUX_MODE0, + }, +}; + +static void omap_serial_fill_default_pads(struct omap_board_data *bdata) +{ + switch (bdata->id) { + case 0: + bdata->pads = default_uart1_pads; + bdata->pads_cnt = ARRAY_SIZE(default_uart1_pads); + break; + case 1: + bdata->pads = default_uart2_pads; + bdata->pads_cnt = ARRAY_SIZE(default_uart2_pads); + break; + case 2: + bdata->pads = default_uart3_pads; + bdata->pads_cnt = ARRAY_SIZE(default_uart3_pads); + break; + case 3: + if (cpu_is_omap44xx()) { + bdata->pads = default_omap4_uart4_pads; + bdata->pads_cnt = + ARRAY_SIZE(default_omap4_uart4_pads); + } else if (cpu_is_omap3630()) { + bdata->pads = default_omap36xx_uart4_pads; + bdata->pads_cnt = + ARRAY_SIZE(default_omap36xx_uart4_pads); + } + break; + default: + break; + } +} +#else +static void omap_serial_fill_default_pads(struct omap_board_data *bdata) {} +#endif + static int __init omap_serial_early_init(void) { int i = 0; @@ -547,8 +648,8 @@ void __init omap_serial_init_port(struct omap_board_data *bdata) omap_uart_block_sleep(uart); console_unlock(); - if ((cpu_is_omap34xx() && uart->padconf) || - (uart->wk_en && uart->wk_mask)) + if (((cpu_is_omap34xx() || cpu_is_omap44xx()) && bdata->pads) || + (pdata->wk_en && pdata->wk_mask)) device_init_wakeup(&pdev->dev, true); /* Enable the MDR1 errata for OMAP3 */ @@ -573,6 +674,10 @@ void __init omap_serial_init(void) bdata.flags = 0; bdata.pads = NULL; bdata.pads_cnt = 0; + + if (cpu_is_omap44xx() || cpu_is_omap34xx()) + omap_serial_fill_default_pads(&bdata); + omap_serial_init_port(&bdata); } |