1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2014 Stefan Roese <sr@denx.de> 4 */ 5 6 #ifndef _PLATINUM_H_ 7 #define _PLATINUM_H_ 8 9 #include <miiphy.h> 10 #include <asm/arch/crm_regs.h> 11 #include <asm/io.h> 12 13 /* Defines */ 14 15 #define ECSPI1_PAD_CLK (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ 16 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ 17 PAD_CTL_HYS) 18 #define ECSPI2_PAD_CLK (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ 19 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 20 PAD_CTL_HYS) 21 #define ECSPI_PAD_MOSI (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ 22 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ 23 PAD_CTL_HYS) 24 #define ECSPI_PAD_MISO (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ 25 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ 26 PAD_CTL_HYS) 27 #define ECSPI_PAD_SS (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_UP | \ 28 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ 29 PAD_CTL_HYS) 30 31 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 32 PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 33 34 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 35 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 36 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 37 #define I2C_PAD_CTRL_SCL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \ 38 PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \ 39 PAD_CTL_ODE | PAD_CTL_SRE_SLOW) 40 41 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 42 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | \ 43 PAD_CTL_HYS) 44 45 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ 46 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | \ 47 PAD_CTL_HYS) 48 49 50 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 51 #define PC_SCL MUX_PAD_CTRL(I2C_PAD_CTRL_SCL) 52 53 /* Prototypes */ 54 55 int platinum_setup_enet(void); 56 int platinum_setup_i2c(void); 57 int platinum_setup_spi(void); 58 int platinum_setup_uart(void); 59 int platinum_phy_config(struct phy_device *phydev); 60 int platinum_init_gpio(void); 61 int platinum_init_usb(void); 62 int platinum_init_finished(void); 63 64 static inline void ccgr_init(void) 65 { 66 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 67 68 writel(0x00C03F3F, &ccm->CCGR0); 69 writel(0x0030FC03, &ccm->CCGR1); 70 writel(0x0FFFC000, &ccm->CCGR2); 71 writel(0x3FF00000, &ccm->CCGR3); 72 writel(0xFFFFF300, &ccm->CCGR4); /* enable NAND/GPMI/BCH clks */ 73 writel(0x0F0000C3, &ccm->CCGR5); 74 writel(0x000003FF, &ccm->CCGR6); 75 } 76 77 #endif /* _PLATINUM_H_ */ 78