+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net>
* (C) Copyright 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
* Tom Cubie <tangliang@allwinnertech.com>
*
* Some board init for the Allwinner A10-evb board.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <hang.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
#include <mmc.h>
#include <axp_pmic.h>
+#include <generic-phy.h>
+#include <phy-sun4i-usb.h>
#include <asm/arch/clock.h>
#include <asm/arch/cpu.h>
#include <asm/arch/display.h>
#include <asm/arch/dram.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc.h>
+#include <asm/arch/prcm.h>
#include <asm/arch/spl.h>
-#include <asm/arch/usb_phy.h>
+#include <linux/delay.h>
+#include <u-boot/crc.h>
#ifndef CONFIG_ARM64
#include <asm/armv7.h>
#endif
#include <asm/gpio.h>
#include <asm/io.h>
-#include <crc.h>
-#include <environment.h>
+#include <u-boot/crc.h>
+#include <env_internal.h>
#include <linux/libfdt.h>
#include <nand.h>
#include <net.h>
sunxi_gpio_set_cfgpin(SUNXI_GPH(14), SUN6I_GPH_TWI0);
sunxi_gpio_set_cfgpin(SUNXI_GPH(15), SUN6I_GPH_TWI0);
clock_twi_onoff(0, 1);
+#elif defined(CONFIG_MACH_SUN8I_V3S)
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(6), SUN8I_V3S_GPB_TWI0);
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(7), SUN8I_V3S_GPB_TWI0);
+ clock_twi_onoff(0, 1);
#elif defined(CONFIG_MACH_SUN8I)
sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN8I_GPH_TWI0);
sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN8I_GPH_TWI0);
clock_twi_onoff(0, 1);
+#elif defined(CONFIG_MACH_SUN50I)
+ sunxi_gpio_set_cfgpin(SUNXI_GPH(0), SUN50I_GPH_TWI0);
+ sunxi_gpio_set_cfgpin(SUNXI_GPH(1), SUN50I_GPH_TWI0);
+ clock_twi_onoff(0, 1);
#endif
#endif
sunxi_gpio_set_cfgpin(SUNXI_GPH(4), SUN8I_GPH_TWI1);
sunxi_gpio_set_cfgpin(SUNXI_GPH(5), SUN8I_GPH_TWI1);
clock_twi_onoff(1, 1);
+#elif defined(CONFIG_MACH_SUN50I)
+ sunxi_gpio_set_cfgpin(SUNXI_GPH(2), SUN50I_GPH_TWI1);
+ sunxi_gpio_set_cfgpin(SUNXI_GPH(3), SUN50I_GPH_TWI1);
+ clock_twi_onoff(1, 1);
#endif
#endif
sunxi_gpio_set_cfgpin(SUNXI_GPE(12), SUN8I_GPE_TWI2);
sunxi_gpio_set_cfgpin(SUNXI_GPE(13), SUN8I_GPE_TWI2);
clock_twi_onoff(2, 1);
+#elif defined(CONFIG_MACH_SUN50I)
+ sunxi_gpio_set_cfgpin(SUNXI_GPE(14), SUN50I_GPE_TWI2);
+ sunxi_gpio_set_cfgpin(SUNXI_GPE(15), SUN50I_GPE_TWI2);
+ clock_twi_onoff(2, 1);
#endif
#endif
#endif
#ifdef CONFIG_R_I2C_ENABLE
+#ifdef CONFIG_MACH_SUN50I
+ clock_twi_onoff(5, 1);
+ sunxi_gpio_set_cfgpin(SUNXI_GPL(8), SUN50I_GPL_R_TWI);
+ sunxi_gpio_set_cfgpin(SUNXI_GPL(9), SUN50I_GPL_R_TWI);
+#else
clock_twi_onoff(5, 1);
sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN8I_H3_GPL_R_TWI);
sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN8I_H3_GPL_R_TWI);
#endif
+#endif
}
#if defined(CONFIG_ENV_IS_IN_MMC) && defined(CONFIG_ENV_IS_IN_FAT)
}
#endif
+#ifdef CONFIG_DM_MMC
+static void mmc_pinmux_setup(int sdc);
+#endif
+
/* add board specific code here */
int board_init(void)
{
i2c_init_board();
#endif
+#ifdef CONFIG_DM_MMC
+ /*
+ * Temporary workaround for enabling MMC clocks until a sunxi DM
+ * pinctrl driver lands.
+ */
+ mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
+#if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
+ mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
+#endif
+#endif /* CONFIG_DM_MMC */
+
/* Uses dm gpio code so do this here and not in i2c_init_board() */
return soft_i2c_board_init();
}
+/*
+ * On older SoCs the SPL is actually at address zero, so using NULL as
+ * an error value does not work.
+ */
+#define INVALID_SPL_HEADER ((void *)~0UL)
+
+static struct boot_file_head * get_spl_header(uint8_t req_version)
+{
+ struct boot_file_head *spl = (void *)(ulong)SPL_ADDR;
+ uint8_t spl_header_version = spl->spl_signature[3];
+
+ /* Is there really the SPL header (still) there? */
+ if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0)
+ return INVALID_SPL_HEADER;
+
+ if (spl_header_version < req_version) {
+ printf("sunxi SPL version mismatch: expected %u, got %u\n",
+ req_version, spl_header_version);
+ return INVALID_SPL_HEADER;
+ }
+
+ return spl;
+}
+
+static const char *get_spl_dt_name(void)
+{
+ struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
+
+ /* Check if there is a DT name stored in the SPL header. */
+ if (spl != INVALID_SPL_HEADER && spl->dt_name_offset)
+ return (char *)spl + spl->dt_name_offset;
+
+ return NULL;
+}
+
int dram_init(void)
{
- gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE);
+ struct boot_file_head *spl = get_spl_header(SPL_DRAM_HEADER_VERSION);
+
+ if (spl == INVALID_SPL_HEADER)
+ gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0,
+ PHYS_SDRAM_0_SIZE);
+ else
+ gd->ram_size = (phys_addr_t)spl->dram_size << 20;
+
+ if (gd->ram_size > CONFIG_SUNXI_DRAM_MAX_SIZE)
+ gd->ram_size = CONFIG_SUNXI_DRAM_MAX_SIZE;
return 0;
}
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
-#ifdef CONFIG_MACH_SUN9I
- setbits_le32(&ccm->ahb_gate1, (1 << AHB_GATE_OFFSET_DMA));
-#else
- setbits_le32(&ccm->ahb_gate0, (1 << AHB_GATE_OFFSET_DMA));
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I || \
+ defined CONFIG_MACH_SUN9I || defined CONFIG_MACH_SUN50I
+ setbits_le32(&ccm->ahb_reset0_cfg, (1 << AHB_GATE_OFFSET_NAND0));
#endif
setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
}
sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
sunxi_gpio_set_drv(pin, 2);
}
+#elif defined(CONFIG_MACH_SUN50I_H6)
+ /* SDC2: PC4-PC14 */
+ for (pin = SUNXI_GPC(4); pin <= SUNXI_GPC(14); pin++) {
+ sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_SDC2);
+ sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
+ sunxi_gpio_set_drv(pin, 2);
+ }
#elif defined(CONFIG_MACH_SUN9I)
/* SDC2: PC6-PC16 */
for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(16); pin++) {
}
}
-int board_mmc_init(bd_t *bis)
+int board_mmc_init(struct bd_info *bis)
{
__maybe_unused struct mmc *mmc0, *mmc1;
- __maybe_unused char buf[512];
mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
mmc0 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT);
#endif
#ifdef CONFIG_SPL_BUILD
+
+static void sunxi_spl_store_dram_size(phys_addr_t dram_size)
+{
+ struct boot_file_head *spl = get_spl_header(SPL_DT_HEADER_VERSION);
+
+ if (spl == INVALID_SPL_HEADER)
+ return;
+
+ /* Promote the header version for U-Boot proper, if needed. */
+ if (spl->spl_signature[3] < SPL_DRAM_HEADER_VERSION)
+ spl->spl_signature[3] = SPL_DRAM_HEADER_VERSION;
+
+ spl->dram_size = dram_size >> 20;
+}
+
void sunxi_board_init(void)
{
int power_failed = 0;
if (!gd->ram_size)
hang();
+ sunxi_spl_store_dram_size(gd->ram_size);
+
/*
* Only clock up the CPU to full speed if we are reasonably
* assured it's being powered with suitable core voltage
#ifdef CONFIG_USB_GADGET
int g_dnl_board_usb_cable_connected(void)
{
- return sunxi_usb_phy_vbus_detect(0);
+ struct udevice *dev;
+ struct phy phy;
+ int ret;
+
+ ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, 0, &dev);
+ if (ret) {
+ pr_err("%s: Cannot find USB device\n", __func__);
+ return ret;
+ }
+
+ ret = generic_phy_get_by_name(dev, "usb", &phy);
+ if (ret) {
+ pr_err("failed to get %s USB PHY\n", dev->name);
+ return ret;
+ }
+
+ ret = generic_phy_init(&phy);
+ if (ret) {
+ pr_debug("failed to init %s USB PHY\n", dev->name);
+ return ret;
+ }
+
+ ret = sun4i_usb_phy_vbus_detect(&phy);
+ if (ret == 1) {
+ pr_err("A charger is plugged into the OTG\n");
+ return -ENODEV;
+ }
+
+ return ret;
}
#endif
*/
static void parse_spl_header(const uint32_t spl_addr)
{
- struct boot_file_head *spl = (void *)(ulong)spl_addr;
- if (memcmp(spl->spl_signature, SPL_SIGNATURE, 3) != 0)
- return; /* signature mismatch, no usable header */
+ struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION);
- uint8_t spl_header_version = spl->spl_signature[3];
- if (spl_header_version != SPL_HEADER_VERSION) {
- printf("sunxi SPL version mismatch: expected %u, got %u\n",
- SPL_HEADER_VERSION, spl_header_version);
+ if (spl == INVALID_SPL_HEADER)
return;
- }
+
if (!spl->fel_script_address)
return;
int misc_init_r(void)
{
- __maybe_unused int ret;
+ const char *spl_dt_name;
uint boot;
env_set("fel_booted", NULL);
env_set("mmc_bootdev", "1");
}
- setup_environment(gd->fdt_blob);
+ /* Set fdtfile to match the FIT configuration chosen in SPL. */
+ spl_dt_name = get_spl_dt_name();
+ if (spl_dt_name) {
+ char *prefix = IS_ENABLED(CONFIG_ARM64) ? "allwinner/" : "";
+ char str[64];
-#ifndef CONFIG_MACH_SUN9I
- ret = sunxi_usb_phy_probe();
- if (ret)
- return ret;
-#endif
+ snprintf(str, sizeof(str), "%s%s.dtb", prefix, spl_dt_name);
+ env_set("fdtfile", str);
+ }
+
+ setup_environment(gd->fdt_blob);
#ifdef CONFIG_USB_ETHER
usb_ether_init();
return 0;
}
-int ft_board_setup(void *blob, bd_t *bd)
+int ft_board_setup(void *blob, struct bd_info *bd)
{
int __maybe_unused r;
}
#ifdef CONFIG_SPL_LOAD_FIT
+
+static void set_spl_dt_name(const char *name)
+{
+ struct boot_file_head *spl = get_spl_header(SPL_ENV_HEADER_VERSION);
+
+ if (spl == INVALID_SPL_HEADER)
+ return;
+
+ /* Promote the header version for U-Boot proper, if needed. */
+ if (spl->spl_signature[3] < SPL_DT_HEADER_VERSION)
+ spl->spl_signature[3] = SPL_DT_HEADER_VERSION;
+
+ strcpy((char *)&spl->string_pool, name);
+ spl->dt_name_offset = offsetof(struct boot_file_head, string_pool);
+}
+
int board_fit_config_name_match(const char *name)
{
- struct boot_file_head *spl = (void *)(ulong)SPL_ADDR;
- const char *cmp_str = (void *)(ulong)SPL_ADDR;
+ const char *best_dt_name = get_spl_dt_name();
+ int ret;
- /* Check if there is a DT name stored in the SPL header and use that. */
- if (spl->dt_name_offset) {
- cmp_str += spl->dt_name_offset;
- } else {
#ifdef CONFIG_DEFAULT_DEVICE_TREE
- cmp_str = CONFIG_DEFAULT_DEVICE_TREE;
-#else
- return 0;
+ if (best_dt_name == NULL)
+ best_dt_name = CONFIG_DEFAULT_DEVICE_TREE;
#endif
- };
-/* Differentiate the two Pine64 board DTs by their DRAM size. */
- if (strstr(name, "-pine64") && strstr(cmp_str, "-pine64")) {
- if ((gd->ram_size > 512 * 1024 * 1024))
- return !strstr(name, "plus");
+ if (best_dt_name == NULL) {
+ /* No DT name was provided, so accept the first config. */
+ return 0;
+ }
+#ifdef CONFIG_PINE64_DT_SELECTION
+ if (strstr(best_dt_name, "-pine64-plus")) {
+ /* Differentiate the Pine A64 boards by their DRAM size. */
+ if ((gd->ram_size == 512 * 1024 * 1024))
+ best_dt_name = "sun50i-a64-pine64";
+ }
+#endif
+#ifdef CONFIG_PINEPHONE_DT_SELECTION
+ if (strstr(best_dt_name, "-pinephone")) {
+ /* Differentiate the PinePhone revisions by GPIO inputs. */
+ prcm_apb0_enable(PRCM_APB0_GATE_PIO);
+ sunxi_gpio_set_pull(SUNXI_GPL(6), SUNXI_GPIO_PULL_UP);
+ sunxi_gpio_set_cfgpin(SUNXI_GPL(6), SUNXI_GPIO_INPUT);
+ udelay(100);
+
+ /* PL6 is pulled low by the modem on v1.2. */
+ if (gpio_get_value(SUNXI_GPL(6)) == 0)
+ best_dt_name = "sun50i-a64-pinephone-1.2";
else
- return !!strstr(name, "plus");
- } else {
- return strcmp(name, cmp_str);
+ best_dt_name = "sun50i-a64-pinephone-1.1";
+
+ sunxi_gpio_set_cfgpin(SUNXI_GPL(6), SUNXI_GPIO_DISABLE);
+ sunxi_gpio_set_pull(SUNXI_GPL(6), SUNXI_GPIO_PULL_DISABLE);
+ prcm_apb0_disable(PRCM_APB0_GATE_PIO);
}
+#endif
+
+ ret = strcmp(name, best_dt_name);
+
+ /*
+ * If one of the FIT configurations matches the most accurate DT name,
+ * update the SPL header to provide that DT name to U-Boot proper.
+ */
+ if (ret == 0)
+ set_spl_dt_name(best_dt_name);
+
+ return ret;
}
#endif