1 /* 2 * Copyright (C) 2014 Stefan Roese <sr@denx.de> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef _PLATINUM_H_ 8 #define _PLATINUM_H_ 9 10 #include <miiphy.h> 11 #include <asm/arch/crm_regs.h> 12 #include <asm/io.h> 13 14 /* Defines */ 15 16 #define ECSPI1_PAD_CLK (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ 17 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ 18 PAD_CTL_HYS) 19 #define ECSPI2_PAD_CLK (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ 20 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ 21 PAD_CTL_HYS) 22 #define ECSPI_PAD_MOSI (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ 23 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ 24 PAD_CTL_HYS) 25 #define ECSPI_PAD_MISO (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ 26 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ 27 PAD_CTL_HYS) 28 #define ECSPI_PAD_SS (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_UP | \ 29 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ 30 PAD_CTL_HYS) 31 32 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 33 PAD_CTL_DSE_40ohm | PAD_CTL_HYS) 34 35 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 36 PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ 37 PAD_CTL_ODE | PAD_CTL_SRE_FAST) 38 #define I2C_PAD_CTRL_SCL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \ 39 PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \ 40 PAD_CTL_ODE | PAD_CTL_SRE_SLOW) 41 42 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ 43 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | \ 44 PAD_CTL_HYS) 45 46 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ 47 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | \ 48 PAD_CTL_HYS) 49 50 51 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) 52 #define PC_SCL MUX_PAD_CTRL(I2C_PAD_CTRL_SCL) 53 54 /* Prototypes */ 55 56 int platinum_setup_enet(void); 57 int platinum_setup_i2c(void); 58 int platinum_setup_spi(void); 59 int platinum_setup_uart(void); 60 int platinum_phy_config(struct phy_device *phydev); 61 int platinum_init_gpio(void); 62 int platinum_init_usb(void); 63 int platinum_init_finished(void); 64 65 static inline void ccgr_init(void) 66 { 67 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; 68 69 writel(0x00C03F3F, &ccm->CCGR0); 70 writel(0x0030FC03, &ccm->CCGR1); 71 writel(0x0FFFC000, &ccm->CCGR2); 72 writel(0x3FF00000, &ccm->CCGR3); 73 writel(0xFFFFF300, &ccm->CCGR4); /* enable NAND/GPMI/BCH clks */ 74 writel(0x0F0000C3, &ccm->CCGR5); 75 writel(0x000003FF, &ccm->CCGR6); 76 } 77 78 static inline void gpr_init(void) 79 { 80 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; 81 82 /* enable AXI cache for VDOA/VPU/IPU */ 83 writel(0xF00000CF, &iomux->gpr[4]); 84 /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ 85 writel(0x007F007F, &iomux->gpr[6]); 86 writel(0x007F007F, &iomux->gpr[7]); 87 } 88 89 #endif /* _PLATINUM_H_ */ 90