hikey: migrate to bl2_el3
Since non-TF ROM is used in HiKey platform (Hisilicon Hi6220 SoC),
replace BL1 by BL2_EL3 in normal boot mode.
When we recovery images in recovery mode, keep to use BL1.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
diff --git a/plat/hisilicon/hikey/hikey_bl2_setup.c b/plat/hisilicon/hikey/hikey_bl2_setup.c
index 6080f84..fc07345 100644
--- a/plat/hisilicon/hikey/hikey_bl2_setup.c
+++ b/plat/hisilicon/hikey/hikey_bl2_setup.c
@@ -13,13 +13,17 @@
#include <dw_mmc.h>
#include <emmc.h>
#include <errno.h>
+#include <gpio.h>
#include <hi6220.h>
+#include <hi6553.h>
#include <hisi_mcu.h>
#include <hisi_sram_map.h>
#include <mmio.h>
#ifdef SPD_opteed
#include <optee_utils.h>
#endif
+#include <pl061_gpio.h>
+#include <platform.h>
#include <platform_def.h>
#include <sp804_delay_timer.h>
#include <string.h>
@@ -36,6 +40,8 @@
#define BL2_RO_BASE (unsigned long)(&__RO_START__)
#define BL2_RO_LIMIT (unsigned long)(&__RO_END__)
+#define BL2_RW_BASE (BL2_RO_LIMIT)
+
/*
* The next 2 constants identify the extents of the coherent memory region.
* These addresses are used by the MMU setup code and therefore they must be
@@ -46,7 +52,13 @@
#define BL2_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
#define BL2_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
-static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
+static meminfo_t bl2_el3_tzram_layout;
+
+enum {
+ BOOT_MODE_RECOVERY = 0,
+ BOOT_MODE_NORMAL,
+ BOOT_MODE_MASK = 1,
+};
/*******************************************************************************
* Transfer SCP_BL2 from Trusted RAM using the SCP Download protocol.
@@ -264,29 +276,428 @@
mmio_write_32(IOMG_GPIO24, IOMG_MUX_FUNC0);
}
-void bl2_early_platform_setup(meminfo_t *mem_layout)
+static void hikey_sp804_init(void)
{
- dw_mmc_params_t params;
+ uint32_t data;
+
+ /* select the clock of dual timer0 */
+ data = mmio_read_32(AO_SC_TIMER_EN0);
+ while (data & 3) {
+ data &= ~3;
+ data |= 3 << 16;
+ mmio_write_32(AO_SC_TIMER_EN0, data);
+ data = mmio_read_32(AO_SC_TIMER_EN0);
+ }
+ /* enable the pclk of dual timer0 */
+ data = mmio_read_32(AO_SC_PERIPH_CLKSTAT4);
+ while (!(data & PCLK_TIMER1) || !(data & PCLK_TIMER0)) {
+ mmio_write_32(AO_SC_PERIPH_CLKEN4, PCLK_TIMER1 | PCLK_TIMER0);
+ data = mmio_read_32(AO_SC_PERIPH_CLKSTAT4);
+ }
+ /* reset dual timer0 */
+ data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
+ mmio_write_32(AO_SC_PERIPH_RSTEN4, PCLK_TIMER1 | PCLK_TIMER0);
+ do {
+ data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
+ } while (!(data & PCLK_TIMER1) || !(data & PCLK_TIMER0));
+ /* unreset dual timer0 */
+ mmio_write_32(AO_SC_PERIPH_RSTDIS4, PCLK_TIMER1 | PCLK_TIMER0);
+ do {
+ data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
+ } while ((data & PCLK_TIMER1) || (data & PCLK_TIMER0));
+
+ sp804_timer_init(SP804_TIMER0_BASE, 10, 192);
+}
+
+static void hikey_gpio_init(void)
+{
+ pl061_gpio_init();
+ pl061_gpio_register(GPIO0_BASE, 0);
+ pl061_gpio_register(GPIO1_BASE, 1);
+ pl061_gpio_register(GPIO2_BASE, 2);
+ pl061_gpio_register(GPIO3_BASE, 3);
+ pl061_gpio_register(GPIO4_BASE, 4);
+ pl061_gpio_register(GPIO5_BASE, 5);
+ pl061_gpio_register(GPIO6_BASE, 6);
+ pl061_gpio_register(GPIO7_BASE, 7);
+ pl061_gpio_register(GPIO8_BASE, 8);
+ pl061_gpio_register(GPIO9_BASE, 9);
+ pl061_gpio_register(GPIO10_BASE, 10);
+ pl061_gpio_register(GPIO11_BASE, 11);
+ pl061_gpio_register(GPIO12_BASE, 12);
+ pl061_gpio_register(GPIO13_BASE, 13);
+ pl061_gpio_register(GPIO14_BASE, 14);
+ pl061_gpio_register(GPIO15_BASE, 15);
+ pl061_gpio_register(GPIO16_BASE, 16);
+ pl061_gpio_register(GPIO17_BASE, 17);
+ pl061_gpio_register(GPIO18_BASE, 18);
+ pl061_gpio_register(GPIO19_BASE, 19);
+
+ /* Power on indicator LED (USER_LED1). */
+ gpio_set_direction(32, GPIO_DIR_OUT); /* LED1 */
+ gpio_set_value(32, GPIO_LEVEL_HIGH);
+ gpio_set_direction(33, GPIO_DIR_OUT); /* LED2 */
+ gpio_set_value(33, GPIO_LEVEL_LOW);
+ gpio_set_direction(34, GPIO_DIR_OUT); /* LED3 */
+ gpio_set_direction(35, GPIO_DIR_OUT); /* LED4 */
+}
+
+static void hikey_pmussi_init(void)
+{
+ uint32_t data;
+
+ /* Initialize PWR_HOLD GPIO */
+ gpio_set_direction(0, GPIO_DIR_OUT);
+ gpio_set_value(0, GPIO_LEVEL_LOW);
+
+ /*
+ * After reset, PMUSSI stays in reset mode.
+ * Now make it out of reset.
+ */
+ mmio_write_32(AO_SC_PERIPH_RSTDIS4,
+ AO_SC_PERIPH_RSTDIS4_PRESET_PMUSSI_N);
+ do {
+ data = mmio_read_32(AO_SC_PERIPH_RSTSTAT4);
+ } while (data & AO_SC_PERIPH_RSTDIS4_PRESET_PMUSSI_N);
+
+ /* Set PMUSSI clock latency for read operation. */
+ data = mmio_read_32(AO_SC_MCU_SUBSYS_CTRL3);
+ data &= ~AO_SC_MCU_SUBSYS_CTRL3_RCLK_MASK;
+ data |= AO_SC_MCU_SUBSYS_CTRL3_RCLK_3;
+ mmio_write_32(AO_SC_MCU_SUBSYS_CTRL3, data);
+
+ /* enable PMUSSI clock */
+ data = AO_SC_PERIPH_CLKEN5_PCLK_PMUSSI_CCPU |
+ AO_SC_PERIPH_CLKEN5_PCLK_PMUSSI_MCU;
+ mmio_write_32(AO_SC_PERIPH_CLKEN5, data);
+ data = AO_SC_PERIPH_CLKEN4_PCLK_PMUSSI;
+ mmio_write_32(AO_SC_PERIPH_CLKEN4, data);
+
+ gpio_set_value(0, GPIO_LEVEL_HIGH);
+}
+
+static void hikey_hi6553_init(void)
+{
+ uint8_t data;
+
+ mmio_write_8(HI6553_PERI_EN_MARK, 0x1e);
+ mmio_write_8(HI6553_NP_REG_ADJ1, 0);
+ data = DISABLE6_XO_CLK_CONN | DISABLE6_XO_CLK_NFC |
+ DISABLE6_XO_CLK_RF1 | DISABLE6_XO_CLK_RF2;
+ mmio_write_8(HI6553_DISABLE6_XO_CLK, data);
+
+ /* configure BUCK0 & BUCK1 */
+ mmio_write_8(HI6553_BUCK01_CTRL2, 0x5e);
+ mmio_write_8(HI6553_BUCK0_CTRL7, 0x10);
+ mmio_write_8(HI6553_BUCK1_CTRL7, 0x10);
+ mmio_write_8(HI6553_BUCK0_CTRL5, 0x1e);
+ mmio_write_8(HI6553_BUCK1_CTRL5, 0x1e);
+ mmio_write_8(HI6553_BUCK0_CTRL1, 0xfc);
+ mmio_write_8(HI6553_BUCK1_CTRL1, 0xfc);
+
+ /* configure BUCK2 */
+ mmio_write_8(HI6553_BUCK2_REG1, 0x4f);
+ mmio_write_8(HI6553_BUCK2_REG5, 0x99);
+ mmio_write_8(HI6553_BUCK2_REG6, 0x45);
+ mdelay(1);
+ mmio_write_8(HI6553_VSET_BUCK2_ADJ, 0x22);
+ mdelay(1);
+
+ /* configure BUCK3 */
+ mmio_write_8(HI6553_BUCK3_REG3, 0x02);
+ mmio_write_8(HI6553_BUCK3_REG5, 0x99);
+ mmio_write_8(HI6553_BUCK3_REG6, 0x41);
+ mmio_write_8(HI6553_VSET_BUCK3_ADJ, 0x02);
+ mdelay(1);
+
+ /* configure BUCK4 */
+ mmio_write_8(HI6553_BUCK4_REG2, 0x9a);
+ mmio_write_8(HI6553_BUCK4_REG5, 0x99);
+ mmio_write_8(HI6553_BUCK4_REG6, 0x45);
+
+ /* configure LDO20 */
+ mmio_write_8(HI6553_LDO20_REG_ADJ, 0x50);
+
+ mmio_write_8(HI6553_NP_REG_CHG, 0x0f);
+ mmio_write_8(HI6553_CLK_TOP0, 0x06);
+ mmio_write_8(HI6553_CLK_TOP3, 0xc0);
+ mmio_write_8(HI6553_CLK_TOP4, 0x00);
+
+ /* configure LDO7 & LDO10 for SD slot */
+ /* enable LDO7 */
+ data = mmio_read_8(HI6553_LDO7_REG_ADJ);
+ data = (data & 0xf8) | 0x2;
+ mmio_write_8(HI6553_LDO7_REG_ADJ, data);
+ mdelay(5);
+ mmio_write_8(HI6553_ENABLE2_LDO1_8, 1 << 6);
+ mdelay(5);
+ /* enable LDO10 */
+ data = mmio_read_8(HI6553_LDO10_REG_ADJ);
+ data = (data & 0xf8) | 0x5;
+ mmio_write_8(HI6553_LDO10_REG_ADJ, data);
+ mdelay(5);
+ mmio_write_8(HI6553_ENABLE3_LDO9_16, 1 << 1);
+ mdelay(5);
+ /* enable LDO15 */
+ data = mmio_read_8(HI6553_LDO15_REG_ADJ);
+ data = (data & 0xf8) | 0x4;
+ mmio_write_8(HI6553_LDO15_REG_ADJ, data);
+ mmio_write_8(HI6553_ENABLE3_LDO9_16, 1 << 6);
+ mdelay(5);
+ /* enable LDO19 */
+ data = mmio_read_8(HI6553_LDO19_REG_ADJ);
+ data |= 0x7;
+ mmio_write_8(HI6553_LDO19_REG_ADJ, data);
+ mmio_write_8(HI6553_ENABLE4_LDO17_22, 1 << 2);
+ mdelay(5);
+ /* enable LDO21 */
+ data = mmio_read_8(HI6553_LDO21_REG_ADJ);
+ data = (data & 0xf8) | 0x3;
+ mmio_write_8(HI6553_LDO21_REG_ADJ, data);
+ mmio_write_8(HI6553_ENABLE4_LDO17_22, 1 << 4);
+ mdelay(5);
+ /* enable LDO22 */
+ data = mmio_read_8(HI6553_LDO22_REG_ADJ);
+ data = (data & 0xf8) | 0x7;
+ mmio_write_8(HI6553_LDO22_REG_ADJ, data);
+ mmio_write_8(HI6553_ENABLE4_LDO17_22, 1 << 5);
+ mdelay(5);
+
+ /* select 32.764KHz */
+ mmio_write_8(HI6553_CLK19M2_600_586_EN, 0x01);
+
+ /* Disable vbus_det interrupts */
+ data = mmio_read_8(HI6553_IRQ2_MASK);
+ data = data | 0x3;
+ mmio_write_8(HI6553_IRQ2_MASK, data);
+}
+
+static void init_mmc0_pll(void)
+{
+ unsigned int data;
+
+ /* select SYSPLL as the source of MMC0 */
+ /* select SYSPLL as the source of MUX1 (SC_CLK_SEL0) */
+ mmio_write_32(PERI_SC_CLK_SEL0, 1 << 5 | 1 << 21);
+ do {
+ data = mmio_read_32(PERI_SC_CLK_SEL0);
+ } while (!(data & (1 << 5)));
+ /* select MUX1 as the source of MUX2 (SC_CLK_SEL0) */
+ mmio_write_32(PERI_SC_CLK_SEL0, 1 << 29);
+ do {
+ data = mmio_read_32(PERI_SC_CLK_SEL0);
+ } while (data & (1 << 13));
+
+ mmio_write_32(PERI_SC_PERIPH_CLKEN0, (1 << 0));
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
+ } while (!(data & (1 << 0)));
+
+ data = mmio_read_32(PERI_SC_PERIPH_CLKEN12);
+ data |= 1 << 1;
+ mmio_write_32(PERI_SC_PERIPH_CLKEN12, data);
+
+ do {
+ mmio_write_32(PERI_SC_CLKCFG8BIT1, (1 << 7) | 0xb);
+ data = mmio_read_32(PERI_SC_CLKCFG8BIT1);
+ } while ((data & 0xb) != 0xb);
+}
+
+static void reset_mmc0_clk(void)
+{
+ unsigned int data;
+
+ /* disable mmc0 bus clock */
+ mmio_write_32(PERI_SC_PERIPH_CLKDIS0, PERI_CLK0_MMC0);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
+ } while (data & PERI_CLK0_MMC0);
+ /* enable mmc0 bus clock */
+ mmio_write_32(PERI_SC_PERIPH_CLKEN0, PERI_CLK0_MMC0);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
+ } while (!(data & PERI_CLK0_MMC0));
+ /* reset mmc0 clock domain */
+ mmio_write_32(PERI_SC_PERIPH_RSTEN0, PERI_RST0_MMC0);
+
+ /* bypass mmc0 clock phase */
+ data = mmio_read_32(PERI_SC_PERIPH_CTRL2);
+ data |= 3;
+ mmio_write_32(PERI_SC_PERIPH_CTRL2, data);
+
+ /* disable low power */
+ data = mmio_read_32(PERI_SC_PERIPH_CTRL13);
+ data |= 1 << 3;
+ mmio_write_32(PERI_SC_PERIPH_CTRL13, data);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
+ } while (!(data & PERI_RST0_MMC0));
+
+ /* unreset mmc0 clock domain */
+ mmio_write_32(PERI_SC_PERIPH_RSTDIS0, PERI_RST0_MMC0);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
+ } while (data & PERI_RST0_MMC0);
+}
+static void init_media_clk(void)
+{
+ unsigned int data, value;
+
+ data = mmio_read_32(PMCTRL_MEDPLLCTRL);
+ data |= 1;
+ mmio_write_32(PMCTRL_MEDPLLCTRL, data);
+
+ for (;;) {
+ data = mmio_read_32(PMCTRL_MEDPLLCTRL);
+ value = 1 << 28;
+ if ((data & value) == value)
+ break;
+ }
+
+ data = mmio_read_32(PERI_SC_PERIPH_CLKEN12);
+ data = 1 << 10;
+ mmio_write_32(PERI_SC_PERIPH_CLKEN12, data);
+}
+
+static void init_mmc1_pll(void)
+{
+ uint32_t data;
+
+ /* select SYSPLL as the source of MMC1 */
+ /* select SYSPLL as the source of MUX1 (SC_CLK_SEL0) */
+ mmio_write_32(PERI_SC_CLK_SEL0, 1 << 11 | 1 << 27);
+ do {
+ data = mmio_read_32(PERI_SC_CLK_SEL0);
+ } while (!(data & (1 << 11)));
+ /* select MUX1 as the source of MUX2 (SC_CLK_SEL0) */
+ mmio_write_32(PERI_SC_CLK_SEL0, 1 << 30);
+ do {
+ data = mmio_read_32(PERI_SC_CLK_SEL0);
+ } while (data & (1 << 14));
+
+ mmio_write_32(PERI_SC_PERIPH_CLKEN0, (1 << 1));
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
+ } while (!(data & (1 << 1)));
+
+ data = mmio_read_32(PERI_SC_PERIPH_CLKEN12);
+ data |= 1 << 2;
+ mmio_write_32(PERI_SC_PERIPH_CLKEN12, data);
+
+ do {
+ /* 1.2GHz / 50 = 24MHz */
+ mmio_write_32(PERI_SC_CLKCFG8BIT2, 0x31 | (1 << 7));
+ data = mmio_read_32(PERI_SC_CLKCFG8BIT2);
+ } while ((data & 0x31) != 0x31);
+}
+
+static void reset_mmc1_clk(void)
+{
+ unsigned int data;
+
+ /* disable mmc1 bus clock */
+ mmio_write_32(PERI_SC_PERIPH_CLKDIS0, PERI_CLK0_MMC1);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
+ } while (data & PERI_CLK0_MMC1);
+ /* enable mmc1 bus clock */
+ mmio_write_32(PERI_SC_PERIPH_CLKEN0, PERI_CLK0_MMC1);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_CLKSTAT0);
+ } while (!(data & PERI_CLK0_MMC1));
+ /* reset mmc1 clock domain */
+ mmio_write_32(PERI_SC_PERIPH_RSTEN0, PERI_RST0_MMC1);
+
+ /* bypass mmc1 clock phase */
+ data = mmio_read_32(PERI_SC_PERIPH_CTRL2);
+ data |= 3 << 2;
+ mmio_write_32(PERI_SC_PERIPH_CTRL2, data);
+
+ /* disable low power */
+ data = mmio_read_32(PERI_SC_PERIPH_CTRL13);
+ data |= 1 << 4;
+ mmio_write_32(PERI_SC_PERIPH_CTRL13, data);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
+ } while (!(data & PERI_RST0_MMC1));
+
+ /* unreset mmc0 clock domain */
+ mmio_write_32(PERI_SC_PERIPH_RSTDIS0, PERI_RST0_MMC1);
+ do {
+ data = mmio_read_32(PERI_SC_PERIPH_RSTSTAT0);
+ } while (data & PERI_RST0_MMC1);
+}
+
+/* Initialize PLL of both eMMC and SD controllers. */
+static void hikey_mmc_pll_init(void)
+{
+ init_mmc0_pll();
+ reset_mmc0_clk();
+ init_media_clk();
+
+ dsb();
+
+ init_mmc1_pll();
+ reset_mmc1_clk();
+}
+
+static void hikey_rtc_init(void)
+{
+ uint32_t data;
+
+ data = mmio_read_32(AO_SC_PERIPH_CLKEN4);
+ data |= AO_SC_PERIPH_RSTDIS4_RESET_RTC0_N;
+ mmio_write_32(AO_SC_PERIPH_CLKEN4, data);
+}
+
+void bl2_el3_early_platform_setup(u_register_t arg1, u_register_t arg2,
+ u_register_t arg3, u_register_t arg4)
+{
/* Initialize the console to provide early debug support */
console_init(CONSOLE_BASE, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE);
+ /*
+ * Allow BL2 to see the whole Trusted RAM.
+ */
+ bl2_el3_tzram_layout.total_base = BL2_RW_BASE;
+ bl2_el3_tzram_layout.total_size = BL31_LIMIT - BL2_RW_BASE;
+}
- /* Setup the BL2 memory layout */
- bl2_tzram_layout = *mem_layout;
+void bl2_el3_plat_arch_setup(void)
+{
+ hikey_init_mmu_el3(bl2_el3_tzram_layout.total_base,
+ bl2_el3_tzram_layout.total_size,
+ BL2_RO_BASE,
+ BL2_RO_LIMIT,
+ BL2_COHERENT_RAM_BASE,
+ BL2_COHERENT_RAM_LIMIT);
+}
- /* Clear SRAM since it'll be used by MCU right now. */
- memset((void *)SRAM_BASE, 0, SRAM_SIZE);
- clean_dcache_range(SRAM_BASE, SRAM_SIZE);
+void bl2_platform_setup(void)
+{
+ dw_mmc_params_t params;
- sp804_timer_init(SP804_TIMER0_BASE, 10, 192);
+ hikey_sp804_init();
+ hikey_gpio_init();
+ hikey_pmussi_init();
+ hikey_hi6553_init();
+
dsb();
hikey_ddr_init();
+ hikey_security_setup();
+
+ /* Clear SRAM since it'll be used by MCU right now. */
+ memset((void *)SRAM_BASE, 0, SRAM_SIZE);
+ clean_dcache_range(SRAM_BASE, SRAM_SIZE);
hikey_boardid_init();
init_acpu_dvfs();
+ hikey_rtc_init();
hikey_sd_init();
hikey_jumper_init();
+ hikey_mmc_pll_init();
+
reset_dwmmc_clk();
memset(¶ms, 0, sizeof(dw_mmc_params_t));
params.reg_base = DWMMC0_BASE;
@@ -299,18 +710,3 @@
hikey_io_setup();
}
-
-void bl2_plat_arch_setup(void)
-{
- hikey_init_mmu_el1(bl2_tzram_layout.total_base,
- bl2_tzram_layout.total_size,
- BL2_RO_BASE,
- BL2_RO_LIMIT,
- BL2_COHERENT_RAM_BASE,
- BL2_COHERENT_RAM_LIMIT);
-}
-
-void bl2_platform_setup(void)
-{
- hikey_security_setup();
-}