+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
- *
- * SPDX-License-Identifier: GPL-2.0+
+ * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
*/
#include <common.h>
-#include <debug_uart.h>
-#include <dm.h>
-#include <fdtdec.h>
-#include <led.h>
-#include <malloc.h>
-#include <mmc.h>
-#include <ram.h>
-#include <spl.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
+#include <asm/arch/bootrom.h>
#include <asm/arch/clock.h>
+#include <asm/arch/grf_rk3399.h>
#include <asm/arch/hardware.h>
#include <asm/arch/periph.h>
-#include <asm/arch/sdram.h>
-#include <asm/arch/timer.h>
+#include <asm/io.h>
+#include <debug_uart.h>
+#include <dm.h>
#include <dm/pinctrl.h>
-#include <dm/root.h>
-#include <dm/test.h>
-#include <dm/util.h>
-#include <power/regulator.h>
+#include <ram.h>
+#include <spl.h>
+#include <syscon.h>
+
+void board_return_to_bootrom(void)
+{
+ back_to_bootrom(BROM_BOOT_NEXTSTAGE);
+}
-DECLARE_GLOBAL_DATA_PTR;
+static const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
+ [BROM_BOOTSOURCE_EMMC] = "/sdhci@fe330000",
+ [BROM_BOOTSOURCE_SPINOR] = "/spi@ff1d0000",
+ [BROM_BOOTSOURCE_SD] = "/dwmmc@fe320000",
+};
-#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OF_CONTROL)
-static int spl_node_to_boot_device(int node)
+const char *board_spl_was_booted_from(void)
{
- struct udevice *parent;
+ u32 bootdevice_brom_id = readl(RK3399_BROM_BOOTSOURCE_ID_ADDR);
+ const char *bootdevice_ofpath = NULL;
- /*
- * This should eventually move into the SPL code, once SPL becomes
- * aware of the block-device layer. Until then (and to avoid unneeded
- * delays in getting this feature out, it lives at the board-level).
- */
- if (!uclass_get_device_by_of_offset(UCLASS_MMC, node, &parent)) {
- struct udevice *dev;
- struct blk_desc *desc = NULL;
-
- for (device_find_first_child(parent, &dev);
- dev;
- device_find_next_child(&dev)) {
- if (device_get_uclass_id(dev) == UCLASS_BLK) {
- desc = dev_get_uclass_platdata(dev);
- break;
- }
- }
-
- if (!desc)
- return -ENOENT;
-
- switch (desc->devnum) {
- case 0:
- return BOOT_DEVICE_MMC1;
- case 1:
- return BOOT_DEVICE_MMC2;
- default:
- return -ENOSYS;
- }
- }
+ if (bootdevice_brom_id < ARRAY_SIZE(boot_devices))
+ bootdevice_ofpath = boot_devices[bootdevice_brom_id];
- /*
- * SPL doesn't differentiate SPI flashes, so we keep the detection
- * brief and inaccurate... hopefully, the common SPL layer can be
- * extended with awareness of the BLK layer (and matching OF_CONTROL)
- * soon.
- */
- if (!uclass_get_device_by_of_offset(UCLASS_SPI_FLASH, node, &parent))
- return BOOT_DEVICE_SPI;
+ if (bootdevice_ofpath)
+ debug("%s: brom_bootdevice_id %x maps to '%s'\n",
+ __func__, bootdevice_brom_id, bootdevice_ofpath);
+ else
+ debug("%s: failed to resolve brom_bootdevice_id %x\n",
+ __func__, bootdevice_brom_id);
- return -1;
+ return bootdevice_ofpath;
}
-void board_boot_order(u32 *spl_boot_list)
+u32 spl_boot_device(void)
{
- const void *blob = gd->fdt_blob;
- int chosen_node = fdt_path_offset(blob, "/chosen");
- int idx = 0;
- int elem;
- int boot_device;
- int node;
- const char *conf;
-
- if (chosen_node < 0) {
- debug("%s: /chosen not found, using spl_boot_device()\n",
- __func__);
- spl_boot_list[0] = spl_boot_device();
- return;
- }
+ u32 boot_device = BOOT_DEVICE_MMC1;
- for (elem = 0;
- (conf = fdt_stringlist_get(blob, chosen_node,
- "u-boot,spl-boot-order", elem, NULL));
- elem++) {
- /* First check if the list element is an alias */
- const char *alias = fdt_get_alias(blob, conf);
- if (alias)
- conf = alias;
-
- /* Try to resolve the config item (or alias) as a path */
- node = fdt_path_offset(blob, conf);
- if (node < 0) {
- debug("%s: could not find %s in FDT", __func__, conf);
- continue;
- }
-
- /* Try to map this back onto SPL boot devices */
- boot_device = spl_node_to_boot_device(node);
- if (boot_device < 0) {
- debug("%s: could not map node @%x to a boot-device\n",
- __func__, node);
- continue;
- }
-
- spl_boot_list[idx++] = boot_device;
- }
+ if (CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM))
+ return BOOT_DEVICE_BOOTROM;
- /* If we had no matches, fall back to spl_boot_device */
- if (idx == 0)
- spl_boot_list[0] = spl_boot_device();
+ return boot_device;
}
-#endif
-u32 spl_boot_device(void)
+const char *spl_decode_boot_device(u32 boot_device)
{
- return BOOT_DEVICE_MMC1;
+ int i;
+ static const struct {
+ u32 boot_device;
+ const char *ofpath;
+ } spl_boot_devices_tbl[] = {
+ { BOOT_DEVICE_MMC1, "/dwmmc@fe320000" },
+ { BOOT_DEVICE_MMC2, "/sdhci@fe330000" },
+ { BOOT_DEVICE_SPI, "/spi@ff1d0000" },
+ };
+
+ for (i = 0; i < ARRAY_SIZE(spl_boot_devices_tbl); ++i)
+ if (spl_boot_devices_tbl[i].boot_device == boot_device)
+ return spl_boot_devices_tbl[i].ofpath;
+
+ return NULL;
}
-u32 spl_boot_mode(const u32 boot_device)
+void spl_perform_fixups(struct spl_image_info *spl_image)
{
- return MMCSD_MODE_RAW;
+ void *blob = spl_image->fdt_addr;
+ const char *boot_ofpath;
+ int chosen;
+
+ /*
+ * Inject the ofpath of the device the full U-Boot (or Linux in
+ * Falcon-mode) was booted from into the FDT, if a FDT has been
+ * loaded at the same time.
+ */
+ if (!blob)
+ return;
+
+ boot_ofpath = spl_decode_boot_device(spl_image->boot_device);
+ if (!boot_ofpath) {
+ pr_err("%s: could not map boot_device to ofpath\n", __func__);
+ return;
+ }
+
+ chosen = fdt_find_or_add_subnode(blob, 0, "chosen");
+ if (chosen < 0) {
+ pr_err("%s: could not find/create '/chosen'\n", __func__);
+ return;
+ }
+ fdt_setprop_string(blob, chosen,
+ "u-boot,spl-boot-device", boot_ofpath);
}
#define TIMER_CHN10_BASE 0xff8680a0
writel(TIMER_EN | TIMER_FMODE, TIMER_CHN10_BASE + TIMER_CONTROL_REG);
}
-#define GRF_EMMCCORE_CON11 0xff77f02c
-void board_init_f(ulong dummy)
+void board_debug_uart_init(void)
{
- struct udevice *pinctrl;
- struct udevice *dev;
- int ret;
-
- /* Example code showing how to enable the debug UART on RK3288 */
-#include <asm/arch/grf_rk3399.h>
- /* Enable early UART2 channel C on the RK3399 */
#define GRF_BASE 0xff770000
struct rk3399_grf_regs * const grf = (void *)GRF_BASE;
+#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000)
+ /* Enable early UART0 on the RK3399 */
+ rk_clrsetreg(&grf->gpio2c_iomux,
+ GRF_GPIO2C0_SEL_MASK,
+ GRF_UART0BT_SIN << GRF_GPIO2C0_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio2c_iomux,
+ GRF_GPIO2C1_SEL_MASK,
+ GRF_UART0BT_SOUT << GRF_GPIO2C1_SEL_SHIFT);
+#else
+ /* Enable early UART2 channel C on the RK3399 */
rk_clrsetreg(&grf->gpio4c_iomux,
GRF_GPIO4C3_SEL_MASK,
GRF_UART2DGBC_SIN << GRF_GPIO4C3_SEL_SHIFT);
rk_clrsetreg(&grf->soc_con7,
GRF_UART_DBG_SEL_MASK,
GRF_UART_DBG_SEL_C << GRF_UART_DBG_SEL_SHIFT);
+#endif
+}
+
+void board_init_f(ulong dummy)
+{
+ struct udevice *pinctrl;
+ struct udevice *dev;
+ struct rk3399_pmusgrf_regs *sgrf;
+ struct rk3399_grf_regs *grf;
+ int ret;
+
#define EARLY_UART
#ifdef EARLY_UART
/*
* printascii("string");
*/
debug_uart_init();
- printascii("U-Boot SPL board init");
+ printascii("U-Boot SPL board init\n");
#endif
- /* Emmc clock generator: disable the clock multipilier */
- rk_clrreg(GRF_EMMCCORE_CON11, 0x0ff);
ret = spl_early_init();
if (ret) {
hang();
}
+ /*
+ * Disable DDR and SRAM security regions.
+ *
+ * As we are entered from the BootROM, the region from
+ * 0x0 through 0xfffff (i.e. the first MB of memory) will
+ * be protected. This will cause issues with the DW_MMC
+ * driver, which tries to DMA from/to the stack (likely)
+ * located in this range.
+ */
+ sgrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUSGRF);
+ rk_clrsetreg(&sgrf->ddr_rgn_con[16], 0x1ff, 0);
+ rk_clrreg(&sgrf->slv_secure_con4, 0x2000);
+
+ /* eMMC clock generator: disable the clock multipilier */
+ grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ rk_clrreg(&grf->emmccore_con[11], 0x0ff);
+
secure_timer_init();
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
- debug("Pinctrl init failed: %d\n", ret);
+ pr_err("Pinctrl init failed: %d\n", ret);
return;
}
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
- debug("DRAM init failed: %d\n", ret);
+ pr_err("DRAM init failed: %d\n", ret);
return;
}
}
-void spl_board_init(void)
-{
- struct udevice *pinctrl;
- int ret;
-
- ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
- if (ret) {
- debug("%s: Cannot find pinctrl device\n", __func__);
- goto err;
- }
-
- /* Enable debug UART */
- ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
- if (ret) {
- debug("%s: Failed to set up console UART\n", __func__);
- goto err;
- }
-
- preloader_console_init();
-#ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM
- back_to_bootrom();
-#endif
- return;
-err:
- printf("spl_board_init: Error %d\n", ret);
-
- /* No way to report error here */
- hang();
-}
-
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
projects / platform / kernel / u-boot.git / blobdiff