xref: /openbmc/u-boot/board/barco/platinum/platinum.h (revision 2a046ff5)
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