1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Beckhoff Automation GmbH & Co. KG
6 * Based on <u-boot>/board/freescale/mx53loco/mx53loco.c
7 * Copyright (C) 2011 Freescale Semiconductor, Inc.
13 #include <asm/arch/imx-regs.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/arch/crm_regs.h>
16 #include <asm/arch/clock.h>
17 #include <asm/arch/iomux-mx53.h>
18 #include <asm/arch/clock.h>
19 #include <asm/mach-imx/mx5_video.h>
24 #include <fsl_esdhc.h>
27 #include <ipu_pixfmt.h>
30 #include <dm/platform_data/serial_mxc.h>
33 GPIO_SD1_CD = IMX_GPIO_NR(1, 1),
34 GPIO_SD2_CD = IMX_GPIO_NR(1, 4),
35 GPIO_LED_SD2_R = IMX_GPIO_NR(3, 16),
36 GPIO_LED_SD2_B = IMX_GPIO_NR(3, 17),
37 GPIO_LED_SD2_G = IMX_GPIO_NR(3, 18),
38 GPIO_LED_SD1_R = IMX_GPIO_NR(3, 19),
39 GPIO_LED_SD1_B = IMX_GPIO_NR(3, 20),
40 GPIO_LED_SD1_G = IMX_GPIO_NR(3, 21),
41 GPIO_LED_PWR_R = IMX_GPIO_NR(3, 22),
42 GPIO_LED_PWR_B = IMX_GPIO_NR(3, 23),
43 GPIO_LED_PWR_G = IMX_GPIO_NR(3, 24),
44 GPIO_SUPS_INT = IMX_GPIO_NR(3, 31),
45 GPIO_C3_CONFIG = IMX_GPIO_NR(6, 8),
46 GPIO_C3_STATUS = IMX_GPIO_NR(6, 7),
47 GPIO_C3_DONE = IMX_GPIO_NR(6, 9),
50 #define CCAT_BASE_ADDR ((void *)0xf0000000)
51 #define CCAT_END_ADDR (CCAT_BASE_ADDR + (1024 * 1024 * 32))
52 #define CCAT_SIZE 1191788
53 #define CCAT_SIGN_ADDR (CCAT_BASE_ADDR + 12)
54 static const char CCAT_SIGNATURE[] = "CCAT";
56 static const u32 CCAT_MODE_CONFIG = 0x0024DC81;
57 static const u32 CCAT_MODE_RUN = 0x0033DC8F;
59 DECLARE_GLOBAL_DATA_PTR;
61 u32 get_board_rev(void)
63 struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
64 struct fuse_bank *bank = &iim->bank[0];
65 struct fuse_bank0_regs *fuse =
66 (struct fuse_bank0_regs *)bank->fuse_regs;
68 int rev = readl(&fuse->gp[6]);
70 return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
75 * @mode: use CCAT_MODE_CONFIG or CCAT_MODE_RUN
77 void weim_cs0_settings(u32 mode)
79 struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
81 writel(0x0, &weim_regs->cs0gcr1);
82 writel(mode, &weim_regs->cs0gcr1);
83 writel(0x00001002, &weim_regs->cs0gcr2);
85 writel(0x04000000, &weim_regs->cs0rcr1);
86 writel(0x00000000, &weim_regs->cs0rcr2);
88 writel(0x04000000, &weim_regs->cs0wcr1);
89 writel(0x00000000, &weim_regs->cs0wcr2);
92 static void setup_gpio_eim(void)
94 gpio_direction_input(GPIO_C3_STATUS);
95 gpio_direction_input(GPIO_C3_DONE);
96 gpio_direction_output(GPIO_C3_CONFIG, 1);
98 weim_cs0_settings(CCAT_MODE_RUN);
101 static void setup_gpio_sups(void)
103 gpio_direction_input(GPIO_SUPS_INT);
105 static const int BLINK_INTERVALL = 50000;
107 while (gpio_get_value(GPIO_SUPS_INT)) {
108 /* signal "CX SUPS power fail" */
109 gpio_set_value(GPIO_LED_PWR_R,
110 (++status / BLINK_INTERVALL) % 2);
113 /* signal "CX power up" */
114 gpio_set_value(GPIO_LED_PWR_R, 1);
117 static void setup_gpio_leds(void)
119 gpio_direction_output(GPIO_LED_SD2_R, 0);
120 gpio_direction_output(GPIO_LED_SD2_B, 0);
121 gpio_direction_output(GPIO_LED_SD2_G, 0);
122 gpio_direction_output(GPIO_LED_SD1_R, 0);
123 gpio_direction_output(GPIO_LED_SD1_B, 0);
124 gpio_direction_output(GPIO_LED_SD1_G, 0);
125 gpio_direction_output(GPIO_LED_PWR_R, 0);
126 gpio_direction_output(GPIO_LED_PWR_B, 0);
127 gpio_direction_output(GPIO_LED_PWR_G, 0);
130 #ifdef CONFIG_USB_EHCI_MX5
131 int board_ehci_hcd_init(int port)
133 /* request VBUS power enable pin, GPIO7_8 */
134 gpio_direction_output(IMX_GPIO_NR(7, 8), 1);
139 #ifdef CONFIG_FSL_ESDHC
140 struct fsl_esdhc_cfg esdhc_cfg[2] = {
141 {MMC_SDHC1_BASE_ADDR},
142 {MMC_SDHC2_BASE_ADDR},
145 int board_mmc_getcd(struct mmc *mmc)
147 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
150 gpio_direction_input(GPIO_SD1_CD);
151 gpio_direction_input(GPIO_SD2_CD);
153 if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
154 ret = !gpio_get_value(GPIO_SD1_CD);
156 ret = !gpio_get_value(GPIO_SD2_CD);
161 int board_mmc_init(bd_t *bis)
166 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
167 esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
169 for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
176 printf("Warning: you configured more ESDHC controller(%d) as supported by the board(2)\n",
177 CONFIG_SYS_FSL_ESDHC_NUM);
180 ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
189 static int power_init(void)
191 /* nothing to do on CX9020 */
195 static void clock_1GHz(void)
198 u32 ref_clk = MXC_HCLK;
200 * After increasing voltage to 1.25V, we can switch
201 * CPU clock to 1GHz and DDR to 400MHz safely
203 ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
205 printf("CPU: Switch CPU clock to 1GHZ failed\n");
207 ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
208 ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
210 printf("CPU: Switch DDR clock to 400MHz failed\n");
213 int board_early_init_f(void)
224 * Do not overwrite the console
225 * Use always serial for U-Boot console
227 int overwrite_console(void)
234 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
236 mxc_set_sata_internal_clock();
243 puts("Board: Beckhoff CX9020\n");
248 static int ccat_config_fn(int assert_config, int flush, int cookie)
250 /* prepare FPGA for programming */
251 weim_cs0_settings(CCAT_MODE_CONFIG);
252 gpio_set_value(GPIO_C3_CONFIG, 0);
254 gpio_set_value(GPIO_C3_CONFIG, 1);
260 static int ccat_status_fn(int cookie)
265 static int ccat_write_fn(const void *buf, size_t buf_len, int flush, int cookie)
267 const uint8_t *const buffer = buf;
271 for (i = 0; i < buf_len; ++i)
272 writeb(buffer[i], CCAT_BASE_ADDR);
274 writeb(0xff, CCAT_BASE_ADDR);
275 writeb(0xff, CCAT_BASE_ADDR);
280 static int ccat_done_fn(int cookie)
282 /* programming complete? */
283 return gpio_get_value(GPIO_C3_DONE);
286 static int ccat_post_fn(int cookie)
288 /* switch to FPGA run mode */
289 weim_cs0_settings(CCAT_MODE_RUN);
290 invalidate_dcache_range((ulong) CCAT_BASE_ADDR, (ulong) CCAT_END_ADDR);
292 if (memcmp(CCAT_SIGN_ADDR, CCAT_SIGNATURE, sizeof(CCAT_SIGNATURE))) {
293 printf("Verifing CCAT firmware failed, signature not found\n");
297 /* signal "CX booting OS" */
298 gpio_set_value(GPIO_LED_PWR_R, 1);
299 gpio_set_value(GPIO_LED_PWR_G, 1);
300 gpio_set_value(GPIO_LED_PWR_B, 0);
304 static Altera_CYC2_Passive_Serial_fns ccat_fns = {
305 .config = ccat_config_fn,
306 .status = ccat_status_fn,
307 .done = ccat_done_fn,
308 .write = ccat_write_fn,
309 .abort = ccat_post_fn,
310 .post = ccat_post_fn,
313 static Altera_desc ccat_fpga = {
314 .family = Altera_CYC2,
315 .iface = passive_serial,
317 .iface_fns = &ccat_fns,
318 .base = CCAT_BASE_ADDR,
321 int board_late_init(void)
327 fpga_add(fpga_altera, &ccat_fpga);