diff options
Diffstat (limited to 'arch/arm/cpu/armv7')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/Makefile | 7 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/hab.c | 104 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 28 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/clock.c | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/lowlevel_init.S | 8 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/hw_data.c | 36 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/hwinit.c | 3 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/sdram_elpida.c | 41 |
8 files changed, 214 insertions, 19 deletions
diff --git a/arch/arm/cpu/armv7/mx6/Makefile b/arch/arm/cpu/armv7/mx6/Makefile index c5e9858..6d73617 100644 --- a/arch/arm/cpu/armv7/mx6/Makefile +++ b/arch/arm/cpu/armv7/mx6/Makefile @@ -11,10 +11,11 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS = soc.o clock.o +COBJS-y = soc.o clock.o +COBJS-$(CONFIG_SECURE_BOOT) += hab.o -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y)) all: $(obj).depend $(LIB) diff --git a/arch/arm/cpu/armv7/mx6/hab.c b/arch/arm/cpu/armv7/mx6/hab.c new file mode 100644 index 0000000..5187775 --- /dev/null +++ b/arch/arm/cpu/armv7/mx6/hab.c @@ -0,0 +1,104 @@ +/* + * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hab.h> + +/* -------- start of HAB API updates ------------*/ +#define hab_rvt_report_event ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT) +#define hab_rvt_report_status ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS) +#define hab_rvt_authenticate_image \ + ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE) +#define hab_rvt_entry ((hab_rvt_entry_t *)HAB_RVT_ENTRY) +#define hab_rvt_exit ((hab_rvt_exit_t *)HAB_RVT_EXIT) +#define hab_rvt_clock_init HAB_RVT_CLOCK_INIT + +bool is_hab_enabled(void) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[0]; + struct fuse_bank0_regs *fuse = + (struct fuse_bank0_regs *)bank->fuse_regs; + uint32_t reg = readl(&fuse->cfg5); + + return (reg & 0x2) == 0x2; +} + +void display_event(uint8_t *event_data, size_t bytes) +{ + uint32_t i; + + if (!(event_data && bytes > 0)) + return; + + for (i = 0; i < bytes; i++) { + if (i == 0) + printf("\t0x%02x", event_data[i]); + else if ((i % 8) == 0) + printf("\n\t0x%02x", event_data[i]); + else + printf(" 0x%02x", event_data[i]); + } +} + +int get_hab_status(void) +{ + uint32_t index = 0; /* Loop index */ + uint8_t event_data[128]; /* Event data buffer */ + size_t bytes = sizeof(event_data); /* Event size in bytes */ + enum hab_config config = 0; + enum hab_state state = 0; + + if (is_hab_enabled()) + puts("\nSecure boot enabled\n"); + else + puts("\nSecure boot disabled\n"); + + /* Check HAB status */ + if (hab_rvt_report_status(&config, &state) != HAB_SUCCESS) { + printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n", + config, state); + + /* Display HAB Error events */ + while (hab_rvt_report_event(HAB_FAILURE, index, event_data, + &bytes) == HAB_SUCCESS) { + puts("\n"); + printf("--------- HAB Event %d -----------------\n", + index + 1); + puts("event data:\n"); + display_event(event_data, bytes); + puts("\n"); + bytes = sizeof(event_data); + index++; + } + } + /* Display message if no HAB events are found */ + else { + printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n", + config, state); + puts("No HAB Events Found!\n\n"); + } + return 0; +} + +int do_hab_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + if ((argc != 1)) { + cmd_usage(cmdtp); + return 1; + } + + get_hab_status(); + + return 0; +} + +U_BOOT_CMD( + hab_status, CONFIG_SYS_MAXARGS, 1, do_hab_status, + "display HAB status", + "" + ); diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 8150bff..a390296 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -213,6 +213,34 @@ const struct boot_mode soc_boot_modes[] = { void s_init(void) { + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + int is_6q = is_cpu_type(MXC_CPU_MX6Q); + u32 mask480; + u32 mask528; + + /* Due to hardware limitation, on MX6Q we need to gate/ungate all PFDs + * to make sure PFD is working right, otherwise, PFDs may + * not output clock after reset, MX6DL and MX6SL have added 396M pfd + * workaround in ROM code, as bus clock need it + */ + + mask480 = ANATOP_PFD_CLKGATE_MASK(0) | + ANATOP_PFD_CLKGATE_MASK(1) | + ANATOP_PFD_CLKGATE_MASK(2) | + ANATOP_PFD_CLKGATE_MASK(3); + mask528 = ANATOP_PFD_CLKGATE_MASK(0) | + ANATOP_PFD_CLKGATE_MASK(1) | + ANATOP_PFD_CLKGATE_MASK(3); + + /* + * Don't reset PFD2 on DL/S + */ + if (is_6q) + mask528 |= ANATOP_PFD_CLKGATE_MASK(2); + writel(mask480, &anatop->pfd_480_set); + writel(mask528, &anatop->pfd_528_set); + writel(mask480, &anatop->pfd_480_clr); + writel(mask528, &anatop->pfd_528_clr); } #ifdef CONFIG_IMX_HDMI diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index e903ed9..9f989ff 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -183,8 +183,7 @@ static void dpll3_init_34xx(u32 sil_index, u32 clk_index) * if running from flash, jump to small relocated code * area in SRAM. */ - f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start + - SRAM_VECT_CODE); + f_lock_pll = (void *) (SRAM_CLK_CODE); p0 = readl(&prcm_base->clken_pll); sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); @@ -401,8 +400,7 @@ static void dpll3_init_36xx(u32 sil_index, u32 clk_index) * if running from flash, jump to small relocated code * area in SRAM. */ - f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start + - SRAM_VECT_CODE); + f_lock_pll = (void *) (SRAM_CLK_CODE); p0 = readl(&prcm_base->clken_pll); sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S index 98c3c03..6f7261b 100644 --- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S @@ -69,15 +69,13 @@ ENDPROC(do_omap3_emu_romcode_call) *************************************************************************/ ENTRY(cpy_clk_code) /* Copy DPLL code into SRAM */ - adr r0, go_to_speed /* get addr of clock setting code */ - mov r2, #384 /* r2 size to copy (div by 32 bytes) */ - mov r1, r1 /* r1 <- dest address (passed in) */ - add r2, r2, r0 /* r2 <- source end address */ + adr r0, go_to_speed /* copy from start of go_to_speed... */ + adr r2, lowlevel_init /* ... up to start of low_level_init */ next2: ldmia r0!, {r3 - r10} /* copy from source address [r0] */ stmia r1!, {r3 - r10} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ - bne next2 + blo next2 mov pc, lr /* back to caller */ ENDPROC(cpy_clk_code) diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c index 310df5a..6a225c8 100644 --- a/arch/arm/cpu/armv7/omap4/hw_data.c +++ b/arch/arm/cpu/armv7/omap4/hw_data.c @@ -50,6 +50,7 @@ static const struct dpll_params mpu_dpll_params_1400mhz[NUM_SYS_CLKS] = { /* * dpll locked at 1600 MHz - MPU clk at 800 MHz(OPP Turbo 4430) * OMAP4430 OPP_TURBO frequency + * OMAP4470 OPP_NOM frequency */ static const struct dpll_params mpu_dpll_params_1600mhz[NUM_SYS_CLKS] = { {200, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ @@ -76,6 +77,7 @@ static const struct dpll_params mpu_dpll_params_1200mhz[NUM_SYS_CLKS] = { }; /* OMAP4460 OPP_NOM frequency */ +/* OMAP4470 OPP_NOM (Low Power) frequency */ static const struct dpll_params core_dpll_params_1600mhz[NUM_SYS_CLKS] = { {200, 2, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 12 MHz */ {800, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */ @@ -198,6 +200,20 @@ struct dplls omap4460_dplls = { .ddr = NULL }; +struct dplls omap4470_dplls = { + .mpu = mpu_dpll_params_1600mhz, + .core = core_dpll_params_1600mhz, + .per = per_dpll_params_1536mhz, + .iva = iva_dpll_params_1862mhz, +#ifdef CONFIG_SYS_OMAP_ABE_SYSCK + .abe = abe_dpll_params_sysclk_196608khz, +#else + .abe = &abe_dpll_params_32k_196608khz, +#endif + .usb = usb_dpll_params_1920mhz, + .ddr = NULL +}; + struct pmic_data twl6030_4430es1 = { .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV, .step = 12660, /* 12.66 mV represented in uV */ @@ -208,6 +224,7 @@ struct pmic_data twl6030_4430es1 = { .pmic_write = omap_vc_bypass_send_value, }; +/* twl6030 struct is used for TWL6030 and TWL6032 PMIC */ struct pmic_data twl6030 = { .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV, .step = 12660, /* 12.66 mV represented in uV */ @@ -271,6 +288,20 @@ struct vcores_data omap4460_volts = { .mm.pmic = &twl6030, }; +struct vcores_data omap4470_volts = { + .mpu.value = 1200, + .mpu.addr = SMPS_REG_ADDR_SMPS1, + .mpu.pmic = &twl6030, + + .core.value = 1126, + .core.addr = SMPS_REG_ADDR_SMPS1, + .core.pmic = &twl6030, + + .mm.value = 1137, + .mm.addr = SMPS_REG_ADDR_SMPS1, + .mm.pmic = &twl6030, +}; + /* * Enable essential clock domains, modules and * do some additional special settings needed @@ -476,6 +507,11 @@ void hw_data_init(void) *omap_vcores = &omap4460_volts; break; + case OMAP4470_ES1_0: + *dplls_data = &omap4470_dplls; + *omap_vcores = &omap4470_volts; + break; + default: printf("\n INVALID OMAP REVISION "); } diff --git a/arch/arm/cpu/armv7/omap4/hwinit.c b/arch/arm/cpu/armv7/omap4/hwinit.c index 4da0fc0..b0598a0 100644 --- a/arch/arm/cpu/armv7/omap4/hwinit.c +++ b/arch/arm/cpu/armv7/omap4/hwinit.c @@ -138,6 +138,9 @@ void init_omap_revision(void) break; case MIDR_CORTEX_A9_R2P10: switch (readl(CONTROL_ID_CODE)) { + case OMAP4470_CONTROL_ID_CODE_ES1_0: + *omap_si_rev = OMAP4470_ES1_0; + break; case OMAP4460_CONTROL_ID_CODE_ES1_1: *omap_si_rev = OMAP4460_ES1_1; break; diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c index d76dde7..67a7926 100644 --- a/arch/arm/cpu/armv7/omap4/sdram_elpida.c +++ b/arch/arm/cpu/armv7/omap4/sdram_elpida.c @@ -60,6 +60,20 @@ static const struct emif_regs emif_regs_elpida_380_mhz_1cs = { .emif_ddr_phy_ctlr_1 = 0x049ff418 }; +const struct emif_regs emif_regs_elpida_400_mhz_1cs = { + .sdram_config_init = 0x80800eb2, + .sdram_config = 0x80801ab2, + .ref_ctrl = 0x00000618, + .sdram_tim1 = 0x10eb0662, + .sdram_tim2 = 0x20370dd2, + .sdram_tim3 = 0x00b1c33f, + .read_idle_ctrl = 0x000501ff, + .zq_config = 0x500b3215, + .temp_alert_config = 0x58016893, + .emif_ddr_phy_ctlr_1_init = 0x049ffff5, + .emif_ddr_phy_ctlr_1 = 0x049ff418 +}; + const struct emif_regs emif_regs_elpida_400_mhz_2cs = { .sdram_config_init = 0x80000eb9, .sdram_config = 0x80001ab9, @@ -107,8 +121,10 @@ static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) *regs = &emif_regs_elpida_380_mhz_1cs; else if (omap4_rev == OMAP4430_ES2_0) *regs = &emif_regs_elpida_200_mhz_2cs; - else + else if (omap4_rev < OMAP4470_ES1_0) *regs = &emif_regs_elpida_400_mhz_2cs; + else + *regs = &emif_regs_elpida_400_mhz_1cs; } void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs) __attribute__((weak, alias("emif_get_reg_dump_sdp"))); @@ -138,20 +154,31 @@ static const struct lpddr2_device_details elpida_2G_S4_details = { .manufacturer = LPDDR2_MANUFACTURER_ELPIDA }; +static const struct lpddr2_device_details elpida_4G_S4_details = { + .type = LPDDR2_TYPE_S4, + .density = LPDDR2_DENSITY_4Gb, + .io_width = LPDDR2_IO_WIDTH_32, + .manufacturer = LPDDR2_MANUFACTURER_ELPIDA +}; + struct lpddr2_device_details *emif_get_device_details_sdp(u32 emif_nr, u8 cs, struct lpddr2_device_details *lpddr2_dev_details) { u32 omap_rev = omap_revision(); /* EMIF1 & EMIF2 have identical configuration */ - if ((omap_rev == OMAP4430_ES1_0) && (cs == CS1)) { - /* Nothing connected on CS1 for ES1.0 */ + if (((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0)) + && (cs == CS1)) { + /* Nothing connected on CS1 for 4430/4470 ES1.0 */ return NULL; - } else { - /* In all other cases Elpida 2G device */ + } else if (omap_rev < OMAP4470_ES1_0) { + /* In all other 4430/4460 cases Elpida 2G device */ *lpddr2_dev_details = elpida_2G_S4_details; - return lpddr2_dev_details; + } else { + /* 4470: 4G device */ + *lpddr2_dev_details = elpida_4G_S4_details; } + return lpddr2_dev_details; } struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs, @@ -265,7 +292,7 @@ void emif_get_device_timings_sdp(u32 emif_nr, /* Identical devices on EMIF1 & EMIF2 */ *cs0_device_timings = &elpida_2G_S4_timings; - if (omap_rev == OMAP4430_ES1_0) + if ((omap_rev == OMAP4430_ES1_0) || (omap_rev == OMAP4470_ES1_0)) *cs1_device_timings = NULL; else *cs1_device_timings = &elpida_2G_S4_timings; |