1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2015 Linaro
9 #include <fdt_support.h>
12 #include <dm/platform_data/serial_pl01x.h>
18 #include <linux/delay.h>
19 #include <power/hi6553_pmic.h>
20 #include <asm-generic/gpio.h>
21 #include <asm/arch/dwmmc.h>
22 #include <asm/arch/gpio.h>
23 #include <asm/arch/periph.h>
24 #include <asm/arch/pinmux.h>
25 #include <asm/arch/hi6220.h>
26 #include <asm/armv8/mmu.h>
28 /*TODO drop this table in favour of device tree */
29 static const struct hikey_gpio_plat hi6220_gpio[] = {
30 { 0, HI6220_GPIO_BASE(0)},
31 { 1, HI6220_GPIO_BASE(1)},
32 { 2, HI6220_GPIO_BASE(2)},
33 { 3, HI6220_GPIO_BASE(3)},
34 { 4, HI6220_GPIO_BASE(4)},
35 { 5, HI6220_GPIO_BASE(5)},
36 { 6, HI6220_GPIO_BASE(6)},
37 { 7, HI6220_GPIO_BASE(7)},
38 { 8, HI6220_GPIO_BASE(8)},
39 { 9, HI6220_GPIO_BASE(9)},
40 { 10, HI6220_GPIO_BASE(10)},
41 { 11, HI6220_GPIO_BASE(11)},
42 { 12, HI6220_GPIO_BASE(12)},
43 { 13, HI6220_GPIO_BASE(13)},
44 { 14, HI6220_GPIO_BASE(14)},
45 { 15, HI6220_GPIO_BASE(15)},
46 { 16, HI6220_GPIO_BASE(16)},
47 { 17, HI6220_GPIO_BASE(17)},
48 { 18, HI6220_GPIO_BASE(18)},
49 { 19, HI6220_GPIO_BASE(19)},
53 U_BOOT_DEVICES(hi6220_gpios) = {
54 { "gpio_hi6220", &hi6220_gpio[0] },
55 { "gpio_hi6220", &hi6220_gpio[1] },
56 { "gpio_hi6220", &hi6220_gpio[2] },
57 { "gpio_hi6220", &hi6220_gpio[3] },
58 { "gpio_hi6220", &hi6220_gpio[4] },
59 { "gpio_hi6220", &hi6220_gpio[5] },
60 { "gpio_hi6220", &hi6220_gpio[6] },
61 { "gpio_hi6220", &hi6220_gpio[7] },
62 { "gpio_hi6220", &hi6220_gpio[8] },
63 { "gpio_hi6220", &hi6220_gpio[9] },
64 { "gpio_hi6220", &hi6220_gpio[10] },
65 { "gpio_hi6220", &hi6220_gpio[11] },
66 { "gpio_hi6220", &hi6220_gpio[12] },
67 { "gpio_hi6220", &hi6220_gpio[13] },
68 { "gpio_hi6220", &hi6220_gpio[14] },
69 { "gpio_hi6220", &hi6220_gpio[15] },
70 { "gpio_hi6220", &hi6220_gpio[16] },
71 { "gpio_hi6220", &hi6220_gpio[17] },
72 { "gpio_hi6220", &hi6220_gpio[18] },
73 { "gpio_hi6220", &hi6220_gpio[19] },
76 DECLARE_GLOBAL_DATA_PTR;
78 #if !CONFIG_IS_ENABLED(OF_CONTROL)
80 static const struct pl01x_serial_plat serial_plat = {
81 #if CONFIG_CONS_INDEX == 1
82 .base = HI6220_UART0_BASE,
83 #elif CONFIG_CONS_INDEX == 4
84 .base = HI6220_UART3_BASE,
86 #error "Unsupported console index value."
92 U_BOOT_DEVICE(hikey_seriala) = {
93 .name = "serial_pl01x",
98 static struct mm_region hikey_mem_map[] = {
102 .size = 0x80000000UL,
103 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
104 PTE_BLOCK_INNER_SHARE
106 .virt = 0x80000000UL,
107 .phys = 0x80000000UL,
108 .size = 0x80000000UL,
109 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
110 PTE_BLOCK_NON_SHARE |
111 PTE_BLOCK_PXN | PTE_BLOCK_UXN
113 /* List terminator */
118 struct mm_region *mem_map = hikey_mem_map;
120 #ifdef CONFIG_BOARD_EARLY_INIT_F
121 int board_uart_init(void)
123 switch (CONFIG_CONS_INDEX) {
125 hi6220_pinmux_config(PERIPH_ID_UART0);
128 hi6220_pinmux_config(PERIPH_ID_UART3);
131 debug("%s: Unsupported UART selected\n", __func__);
138 int board_early_init_f(void)
145 struct peri_sc_periph_regs *peri_sc =
146 (struct peri_sc_periph_regs *)HI6220_PERI_BASE;
148 struct alwayson_sc_regs *ao_sc =
149 (struct alwayson_sc_regs *)ALWAYSON_CTRL_BASE;
151 /* status offset from enable reg */
152 #define STAT_EN_OFF 0x2
154 void hi6220_clk_enable(u32 bitfield, unsigned int *clk_base)
158 data = readl(clk_base);
161 writel(bitfield, clk_base);
163 data = readl(clk_base + STAT_EN_OFF);
164 } while ((data & bitfield) == 0);
167 /* status offset from disable reg */
168 #define STAT_DIS_OFF 0x1
170 void hi6220_clk_disable(u32 bitfield, unsigned int *clk_base)
174 data = readl(clk_base);
177 writel(data, clk_base);
179 data = readl(clk_base + STAT_DIS_OFF);
180 } while (data & bitfield);
183 #define EYE_PATTERN 0x70533483
185 int board_usb_init(int index, enum usb_init_type init)
189 /* enable USB clock */
190 hi6220_clk_enable(PERI_CLK0_USBOTG, &peri_sc->clk0_en);
192 /* take usb IPs out of reset */
193 writel(PERI_RST0_USBOTG_BUS | PERI_RST0_POR_PICOPHY |
194 PERI_RST0_USBOTG | PERI_RST0_USBOTG_32K,
197 data = readl(&peri_sc->rst0_stat);
198 data &= PERI_RST0_USBOTG_BUS | PERI_RST0_POR_PICOPHY |
199 PERI_RST0_USBOTG | PERI_RST0_USBOTG_32K;
203 data = readl(&peri_sc->ctrl5);
204 data &= ~PERI_CTRL5_PICOPHY_BC_MODE;
205 data |= PERI_CTRL5_USBOTG_RES_SEL | PERI_CTRL5_PICOPHY_ACAENB;
207 writel(data, &peri_sc->ctrl5);
211 /* configure USB PHY */
212 data = readl(&peri_sc->ctrl4);
214 /* make PHY out of low power mode */
215 data &= ~PERI_CTRL4_PICO_SIDDQ;
216 data &= ~PERI_CTRL4_PICO_OGDISABLE;
217 data |= PERI_CTRL4_PICO_VBUSVLDEXTSEL | PERI_CTRL4_PICO_VBUSVLDEXT;
218 writel(data, &peri_sc->ctrl4);
220 writel(EYE_PATTERN, &peri_sc->ctrl8);
226 static int config_sd_carddetect(void)
230 /* configure GPIO8 as nopull */
231 writel(0, 0xf8001830);
233 gpio_request(8, "SD CD");
235 gpio_direction_input(8);
236 ret = gpio_get_value(8);
239 printf("%s: SD card present\n", __func__);
243 printf("%s: SD card not present\n", __func__);
248 static void mmc1_init_pll(void)
252 /* select SYSPLL as the source of MMC1 */
253 /* select SYSPLL as the source of MUX1 (SC_CLK_SEL0) */
254 writel(1 << 11 | 1 << 27, &peri_sc->clk0_sel);
256 data = readl(&peri_sc->clk0_sel);
257 } while (!(data & (1 << 11)));
259 /* select MUX1 as the source of MUX2 (SC_CLK_SEL0) */
260 writel(1 << 30, &peri_sc->clk0_sel);
262 data = readl(&peri_sc->clk0_sel);
263 } while (data & (1 << 14));
265 hi6220_clk_enable(PERI_CLK0_MMC1, &peri_sc->clk0_en);
267 hi6220_clk_enable(PERI_CLK12_MMC1_SRC, &peri_sc->clk12_en);
270 /* 1.2GHz / 50 = 24MHz */
271 writel(0x31 | (1 << 7), &peri_sc->clkcfg8bit2);
272 data = readl(&peri_sc->clkcfg8bit2);
273 } while ((data & 0x31) != 0x31);
276 static void mmc1_reset_clk(void)
280 /* disable mmc1 bus clock */
281 hi6220_clk_disable(PERI_CLK0_MMC1, &peri_sc->clk0_dis);
283 /* enable mmc1 bus clock */
284 hi6220_clk_enable(PERI_CLK0_MMC1, &peri_sc->clk0_en);
286 /* reset mmc1 clock domain */
287 writel(PERI_RST0_MMC1, &peri_sc->rst0_en);
289 /* bypass mmc1 clock phase */
290 data = readl(&peri_sc->ctrl2);
292 writel(data, &peri_sc->ctrl2);
294 /* disable low power */
295 data = readl(&peri_sc->ctrl13);
297 writel(data, &peri_sc->ctrl13);
299 data = readl(&peri_sc->rst0_stat);
300 } while (!(data & PERI_RST0_MMC1));
302 /* unreset mmc1 clock domain */
303 writel(PERI_RST0_MMC1, &peri_sc->rst0_dis);
305 data = readl(&peri_sc->rst0_stat);
306 } while (data & PERI_RST0_MMC1);
309 static void mmc0_reset_clk(void)
313 /* disable mmc0 bus clock */
314 hi6220_clk_disable(PERI_CLK0_MMC0, &peri_sc->clk0_dis);
316 /* enable mmc0 bus clock */
317 hi6220_clk_enable(PERI_CLK0_MMC0, &peri_sc->clk0_en);
319 /* reset mmc0 clock domain */
320 writel(PERI_RST0_MMC0, &peri_sc->rst0_en);
322 /* bypass mmc0 clock phase */
323 data = readl(&peri_sc->ctrl2);
325 writel(data, &peri_sc->ctrl2);
327 /* disable low power */
328 data = readl(&peri_sc->ctrl13);
330 writel(data, &peri_sc->ctrl13);
332 data = readl(&peri_sc->rst0_stat);
333 } while (!(data & PERI_RST0_MMC0));
335 /* unreset mmc0 clock domain */
336 writel(PERI_RST0_MMC0, &peri_sc->rst0_dis);
338 data = readl(&peri_sc->rst0_stat);
339 } while (data & PERI_RST0_MMC0);
343 /* PMU SSI is the IP that maps the external PMU hi6553 registers as IO */
344 static void hi6220_pmussi_init(void)
348 /* Take PMUSSI out of reset */
349 writel(ALWAYSON_SC_PERIPH_RST4_DIS_PRESET_PMUSSI_N,
352 data = readl(&ao_sc->rst4_stat);
353 } while (data & ALWAYSON_SC_PERIPH_RST4_DIS_PRESET_PMUSSI_N);
355 /* set PMU SSI clock latency for read operation */
356 data = readl(&ao_sc->mcu_subsys_ctrl3);
357 data &= ~ALWAYSON_SC_MCU_SUBSYS_CTRL3_RCLK_MASK;
358 data |= ALWAYSON_SC_MCU_SUBSYS_CTRL3_RCLK_3;
359 writel(data, &ao_sc->mcu_subsys_ctrl3);
361 /* enable PMUSSI clock */
362 data = ALWAYSON_SC_PERIPH_CLK5_EN_PCLK_PMUSSI_CCPU |
363 ALWAYSON_SC_PERIPH_CLK5_EN_PCLK_PMUSSI_MCU;
365 hi6220_clk_enable(data, &ao_sc->clk5_en);
367 /* Output high to PMIC on PWR_HOLD_GPIO0_0 */
368 gpio_request(0, "PWR_HOLD_GPIO0_0");
369 gpio_direction_output(0, 1);
372 int misc_init_r(void)
384 static int init_dwmmc(void)
390 /* mmc0 pll is already configured by ATF */
392 ret = hi6220_pinmux_config(PERIPH_ID_SDMMC0);
394 printf("%s: Error configuring pinmux for eMMC (%d)\n"
397 ret |= hi6220_dwmci_add_port(0, HI6220_MMC0_BASE, 8);
399 printf("%s: Error adding eMMC port (%d)\n", __func__, ret);
402 /* take mmc1 (sd slot) out of reset, configure clocks and pinmuxing */
406 ret |= hi6220_pinmux_config(PERIPH_ID_SDMMC1);
408 printf("%s: Error configuring pinmux for eMMC (%d)\n"
411 config_sd_carddetect();
413 ret |= hi6220_dwmci_add_port(1, HI6220_MMC1_BASE, 4);
415 printf("%s: Error adding SD port (%d)\n", __func__, ret);
421 /* setup board specific PMIC */
422 int power_init_board(void)
424 /* init the hi6220 pmussi ip */
425 hi6220_pmussi_init();
427 power_hi6553_init((u8 *)HI6220_PMUSSI_BASE);
432 int board_mmc_init(struct bd_info *bis)
436 /* add the eMMC and sd ports */
440 debug("init_dwmmc failed\n");
448 gd->ram_size = PHYS_SDRAM_1_SIZE;
452 int dram_init_banksize(void)
455 * Reserve regions below from DT memory node (which gets generated
456 * by U-Boot from the dram banks in arch_fixup_fdt() before booting
457 * the kernel. This will then match the kernel hikey dts memory node.
459 * 0x05e0,0000 - 0x05ef,ffff: MCU firmware runtime using
460 * 0x05f0,1000 - 0x05f0,1fff: Reboot reason
461 * 0x06df,f000 - 0x06df,ffff: Mailbox message data
462 * 0x0740,f000 - 0x0740,ffff: MCU firmware section
463 * 0x21f0,0000 - 0x21ff,ffff: pstore/ramoops buffer
464 * 0x3e00,0000 - 0x3fff,ffff: OP-TEE
467 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
468 gd->bd->bi_dram[0].size = 0x05e00000;
470 gd->bd->bi_dram[1].start = 0x05f00000;
471 gd->bd->bi_dram[1].size = 0x00001000;
473 gd->bd->bi_dram[2].start = 0x05f02000;
474 gd->bd->bi_dram[2].size = 0x00efd000;
476 gd->bd->bi_dram[3].start = 0x06e00000;
477 gd->bd->bi_dram[3].size = 0x0060f000;
479 gd->bd->bi_dram[4].start = 0x07410000;
480 gd->bd->bi_dram[4].size = 0x1aaf0000;
482 gd->bd->bi_dram[5].start = 0x22000000;
483 gd->bd->bi_dram[5].size = 0x1c000000;
488 void reset_cpu(ulong addr)
490 writel(0x48698284, &ao_sc->stat0);