1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2017 General Electric Company
5 * Based on board/freescale/mx53loco/mx53loco.c:
7 * Copyright (C) 2011 Freescale Semiconductor, Inc.
8 * Jason Liu <r64343@freescale.com>
13 #include <asm/global_data.h>
15 #include <asm/arch/imx-regs.h>
16 #include <asm/arch/sys_proto.h>
17 #include <asm/arch/crm_regs.h>
18 #include <asm/arch/clock.h>
19 #include <asm/arch/iomux-mx53.h>
20 #include <asm/arch/clock.h>
22 #include <linux/errno.h>
23 #include <linux/libfdt.h>
24 #include <asm/mach-imx/mxc_i2c.h>
25 #include <asm/mach-imx/mx5_video.h>
29 #include <fsl_esdhc_imx.h>
31 #include <power/pmic.h>
32 #include <dialog_pmic.h>
35 #include <ipu_pixfmt.h>
40 #include "../../ge/common/ge_rtc.h"
41 #include "../../ge/common/vpd_reader.h"
43 DECLARE_GLOBAL_DATA_PTR;
45 static u32 mx53_dram_size[2];
47 phys_size_t get_effective_memsize(void)
50 * WARNING: We must override get_effective_memsize() function here
51 * to report only the size of the first DRAM bank. This is to make
52 * U-Boot relocator place U-Boot into valid memory, that is, at the
53 * end of the first DRAM bank. If we did not override this function
54 * like so, U-Boot would be placed at the address of the first DRAM
55 * bank + total DRAM size - sizeof(uboot), which in the setup where
56 * each DRAM bank contains 512MiB of DRAM would result in placing
57 * U-Boot into invalid memory area close to the end of the first
60 return mx53_dram_size[0];
65 mx53_dram_size[0] = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
66 mx53_dram_size[1] = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30);
68 gd->ram_size = mx53_dram_size[0] + mx53_dram_size[1];
73 int dram_init_banksize(void)
75 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
76 gd->bd->bi_dram[0].size = mx53_dram_size[0];
78 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
79 gd->bd->bi_dram[1].size = mx53_dram_size[1];
84 #ifdef CONFIG_REVISION_TAG
85 u32 get_board_rev(void)
87 return get_cpu_rev() & ~(0xF << 8);
91 #ifdef CONFIG_USB_EHCI_MX5
92 int board_ehci_hcd_init(int port)
94 /* request VBUS power enable pin, GPIO7_8 */
95 imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8);
96 gpio_direction_output(IMX_GPIO_NR(7, 8), 1);
101 static int clock_1GHz(void)
104 u32 ref_clk = MXC_HCLK;
106 * After increasing voltage to 1.25V, we can switch
107 * CPU clock to 1GHz and DDR to 400MHz safely
109 ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
111 printf("CPU: Switch CPU clock to 1GHZ failed\n");
115 ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
116 ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
118 printf("CPU: Switch DDR clock to 400MHz failed\n");
125 void ppd_gpio_init(void)
129 imx_iomux_v3_setup_multiple_pads(ppd_pads, ARRAY_SIZE(ppd_pads));
130 for (i = 0; i < ARRAY_SIZE(ppd_gpios); ++i) {
131 gpio_request(ppd_gpios[i].gpio, "request");
132 gpio_direction_output(ppd_gpios[i].gpio, ppd_gpios[i].value);
136 int board_early_init_f(void)
144 * Do not overwrite the console
145 * Use always serial for U-Boot console
147 int overwrite_console(void)
152 #define VPD_TYPE_INVALID 0x00
153 #define VPD_BLOCK_NETWORK 0x20
154 #define VPD_BLOCK_HWID 0x44
155 #define VPD_PRODUCT_PPD 4
156 #define VPD_HAS_MAC1 0x1
157 #define VPD_MAC_ADDRESS_LENGTH 6
162 unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
166 * Extracts MAC and product information from the VPD.
168 static int vpd_callback(struct vpd_cache *userdata, u8 id, u8 version,
169 u8 type, size_t size, u8 const *data)
171 struct vpd_cache *vpd = userdata;
173 if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
175 vpd->product_id = data[0];
177 } else if (id == VPD_BLOCK_NETWORK && version == 1 &&
178 type != VPD_TYPE_INVALID) {
180 vpd->has |= VPD_HAS_MAC1;
181 memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
188 static void process_vpd(struct vpd_cache *vpd)
192 if (vpd->product_id == VPD_PRODUCT_PPD)
195 if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
196 eth_env_set_enetaddr("ethaddr", vpd->mac1);
201 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
203 mxc_set_sata_internal_clock();
208 int misc_init_r(void)
212 /* We care about WDOG only, treating everything else as
215 if (get_imx_reset_cause() & 0x0010)
220 env_set("bootcause", cause);
225 int board_late_init(void)
228 struct vpd_cache vpd;
230 memset(&vpd, 0, sizeof(vpd));
231 res = read_i2c_vpd(&vpd, vpd_callback);
235 printf("Can't read VPD");
250 puts("Board: GE PPD\n");
255 #ifdef CONFIG_OF_BOARD_SETUP
256 int ft_board_setup(void *blob, struct bd_info *bd)
258 char *rtc_status = env_get("rtc_status");
260 fdt_setprop(blob, 0, "ge,boot-ver", version_string,
261 strlen(version_string) + 1);
263 fdt_setprop(blob, 0, "ge,rtc-status", rtc_status,
264 strlen(rtc_status) + 1);