1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2015 Google, Inc 4 */ 5 6 #include <common.h> 7 #include <debug_uart.h> 8 #include <dm.h> 9 #include <dt-structs.h> 10 #include <ns16550.h> 11 #include <serial.h> 12 #include <asm/arch/clock.h> 13 14 #if defined(CONFIG_ROCKCHIP_RK3188) 15 struct rockchip_uart_platdata { 16 struct dtd_rockchip_rk3188_uart dtplat; 17 struct ns16550_platdata plat; 18 }; 19 struct dtd_rockchip_rk3188_uart *dtplat, s_dtplat; 20 #elif defined(CONFIG_ROCKCHIP_RK3288) 21 struct rockchip_uart_platdata { 22 struct dtd_rockchip_rk3288_uart dtplat; 23 struct ns16550_platdata plat; 24 }; 25 struct dtd_rockchip_rk3288_uart *dtplat, s_dtplat; 26 #endif 27 28 static int rockchip_serial_probe(struct udevice *dev) 29 { 30 struct rockchip_uart_platdata *plat = dev_get_platdata(dev); 31 32 /* Create some new platform data for the standard driver */ 33 plat->plat.base = plat->dtplat.reg[0]; 34 plat->plat.reg_shift = plat->dtplat.reg_shift; 35 plat->plat.clock = plat->dtplat.clock_frequency; 36 plat->plat.fcr = UART_FCR_DEFVAL; 37 dev->platdata = &plat->plat; 38 39 return ns16550_serial_probe(dev); 40 } 41 42 U_BOOT_DRIVER(rockchip_rk3188_uart) = { 43 .name = "rockchip_rk3188_uart", 44 .id = UCLASS_SERIAL, 45 .priv_auto_alloc_size = sizeof(struct NS16550), 46 .platdata_auto_alloc_size = sizeof(struct rockchip_uart_platdata), 47 .probe = rockchip_serial_probe, 48 .ops = &ns16550_serial_ops, 49 .flags = DM_FLAG_PRE_RELOC, 50 }; 51 52 U_BOOT_DRIVER(rockchip_rk3288_uart) = { 53 .name = "rockchip_rk3288_uart", 54 .id = UCLASS_SERIAL, 55 .priv_auto_alloc_size = sizeof(struct NS16550), 56 .platdata_auto_alloc_size = sizeof(struct rockchip_uart_platdata), 57 .probe = rockchip_serial_probe, 58 .ops = &ns16550_serial_ops, 59 .flags = DM_FLAG_PRE_RELOC, 60 }; 61
