diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/Makefile | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/README.lsch2 | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 13 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c | 117 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c | 137 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/soc.c | 17 |
6 files changed, 299 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Makefile b/arch/arm/cpu/armv8/fsl-layerscape/Makefile index ccb3aa5987..4754e59dff 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Makefile +++ b/arch/arm/cpu/armv8/fsl-layerscape/Makefile @@ -14,6 +14,11 @@ obj-$(CONFIG_SPL) += spl.o ifneq ($(CONFIG_FSL_LSCH3),) obj-y += fsl_lsch3_speed.o obj-$(CONFIG_SYS_HAS_SERDES) += fsl_lsch3_serdes.o +else +ifneq ($(CONFIG_FSL_LSCH2),) +obj-y += fsl_lsch2_speed.o +obj-$(CONFIG_SYS_HAS_SERDES) += fsl_lsch2_serdes.o +endif endif ifneq ($(CONFIG_LS2085A),) diff --git a/arch/arm/cpu/armv8/fsl-layerscape/README.lsch2 b/arch/arm/cpu/armv8/fsl-layerscape/README.lsch2 new file mode 100644 index 0000000000..a6ef830069 --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/README.lsch2 @@ -0,0 +1,10 @@ +# +# Copyright 2015 Freescale Semiconductor +# +# SPDX-License-Identifier: GPL-2.0+ +# + +Freescale LayerScape with Chassis Generation 2 + +This architecture supports Freescale ARMv8 SoCs with Chassis generation 2, +for example LS1043A. diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index be7442d003..fe9d98204c 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -180,6 +180,8 @@ static inline void early_mmu_setup(void) set_pgtable_table(level1_table0, CONFIG_SYS_FLASH_BASE >> SECTION_SHIFT_L1, level2_table1); +#elif defined(CONFIG_FSL_LSCH2) + set_pgtable_table(level1_table0, 1, level2_table1); #endif /* Find the table and fill in the block entries */ for (i = 0; i < ARRAY_SIZE(early_mmu_table); i++) { @@ -215,6 +217,9 @@ static inline void early_mmu_setup(void) * * For LSCH3: * Level 2 table 1 contains 512 entries for each 2MB from 32GB to 33GB. + * For LSCH2: + * Level 2 table 1 contains 512 entries for each 2MB from 1GB to 2GB. + * Level 2 table 2 contains 512 entries for each 2MB from 20GB to 21GB. */ static inline void final_mmu_setup(void) { @@ -225,6 +230,9 @@ static inline void final_mmu_setup(void) u64 *level2_table0 = (u64 *)(gd->arch.tlb_addr + 0x3000); #ifdef CONFIG_FSL_LSCH3 u64 *level2_table1 = (u64 *)(gd->arch.tlb_addr + 0x4000); +#elif defined(CONFIG_FSL_LSCH2) + u64 *level2_table1 = (u64 *)(gd->arch.tlb_addr + 0x4000); + u64 *level2_table2 = (u64 *)(gd->arch.tlb_addr + 0x5000); #endif struct table_info table = {level0_table, 0, BLOCK_SIZE_L0}; @@ -239,6 +247,11 @@ static inline void final_mmu_setup(void) set_pgtable_table(level1_table0, CONFIG_SYS_FSL_QBMAN_BASE >> SECTION_SHIFT_L1, level2_table1); +#elif defined(CONFIG_FSL_LSCH2) + set_pgtable_table(level1_table0, 1, level2_table1); + set_pgtable_table(level1_table0, + CONFIG_SYS_FSL_QBMAN_BASE >> SECTION_SHIFT_L1, + level2_table2); #endif /* Find the table and fill in the block entries */ diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c new file mode 100644 index 0000000000..f7178d1470 --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c @@ -0,0 +1,117 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/arch/fsl_serdes.h> +#include <asm/arch/soc.h> + +#ifdef CONFIG_SYS_FSL_SRDS_1 +static u8 serdes1_prtcl_map[SERDES_PRCTL_COUNT]; +#endif + +int is_serdes_configured(enum srds_prtcl device) +{ + int ret = 0; + +#ifdef CONFIG_SYS_FSL_SRDS_1 + ret |= serdes1_prtcl_map[device]; +#endif + + return !!ret; +} + +int serdes_get_first_lane(u32 sd, enum srds_prtcl device) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 cfg = gur_in32(&gur->rcwsr[4]); + int i; + + switch (sd) { +#ifdef CONFIG_SYS_FSL_SRDS_1 + case FSL_SRDS_1: + cfg &= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK; + cfg >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT; + break; +#endif + default: + printf("invalid SerDes%d\n", sd); + break; + } + + /* Is serdes enabled at all? */ + if (unlikely(cfg == 0)) + return -ENODEV; + + for (i = 0; i < SRDS_MAX_LANES; i++) { + if (serdes_get_prtcl(sd, cfg, i) == device) + return i; + } + + return -ENODEV; +} + +int get_serdes_protocol(void) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 cfg = gur_in32(&gur->rcwsr[4]) & + FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK; + cfg >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT; + + return cfg; +} + +const char *serdes_clock_to_string(u32 clock) +{ + switch (clock) { + case SRDS_PLLCR0_RFCK_SEL_100: + return "100"; + case SRDS_PLLCR0_RFCK_SEL_125: + return "125"; + case SRDS_PLLCR0_RFCK_SEL_156_25: + return "156.25"; + default: + return "100"; + } +} + +void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift, + u8 serdes_prtcl_map[SERDES_PRCTL_COUNT]) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 cfg; + int lane; + + memset(serdes_prtcl_map, 0, sizeof(serdes_prtcl_map)); + + cfg = gur_in32(&gur->rcwsr[4]) & sd_prctl_mask; + cfg >>= sd_prctl_shift; + printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg); + + if (!is_serdes_prtcl_valid(sd, cfg)) + printf("SERDES%d[PRTCL] = 0x%x is not valid\n", sd + 1, cfg); + + for (lane = 0; lane < SRDS_MAX_LANES; lane++) { + enum srds_prtcl lane_prtcl = serdes_get_prtcl(sd, cfg, lane); + + if (unlikely(lane_prtcl >= SERDES_PRCTL_COUNT)) + debug("Unknown SerDes lane protocol %d\n", lane_prtcl); + else + serdes_prtcl_map[lane_prtcl] = 1; + } +} + +void fsl_serdes_init(void) +{ +#ifdef CONFIG_SYS_FSL_SRDS_1 + serdes_init(FSL_SRDS_1, + CONFIG_SYS_FSL_SERDES_ADDR, + FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK, + FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT, + serdes1_prtcl_map); +#endif +} diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c new file mode 100644 index 0000000000..ea3723fe2e --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c @@ -0,0 +1,137 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <linux/compiler.h> +#include <asm/io.h> +#include <asm/processor.h> +#include <asm/arch/clock.h> +#include <asm/arch/soc.h> +#include <fsl_ifc.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifndef CONFIG_SYS_FSL_NUM_CC_PLLS +#define CONFIG_SYS_FSL_NUM_CC_PLLS 2 +#endif + +void get_sys_info(struct sys_info *sys_info) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); +#ifdef CONFIG_FSL_IFC + struct fsl_ifc ifc_regs = {(void *)CONFIG_SYS_IFC_ADDR, (void *)NULL}; + u32 ccr; +#endif + struct ccsr_clk *clk = (void *)(CONFIG_SYS_FSL_CLK_ADDR); + unsigned int cpu; + const u8 core_cplx_pll[8] = { + [0] = 0, /* CC1 PPL / 1 */ + [1] = 0, /* CC1 PPL / 2 */ + [4] = 1, /* CC2 PPL / 1 */ + [5] = 1, /* CC2 PPL / 2 */ + }; + + const u8 core_cplx_pll_div[8] = { + [0] = 1, /* CC1 PPL / 1 */ + [1] = 2, /* CC1 PPL / 2 */ + [4] = 1, /* CC2 PPL / 1 */ + [5] = 2, /* CC2 PPL / 2 */ + }; + + uint i; + uint freq_c_pll[CONFIG_SYS_FSL_NUM_CC_PLLS]; + uint ratio[CONFIG_SYS_FSL_NUM_CC_PLLS]; + unsigned long sysclk = CONFIG_SYS_CLK_FREQ; + + sys_info->freq_systembus = sysclk; +#ifdef CONFIG_DDR_CLK_FREQ + sys_info->freq_ddrbus = CONFIG_DDR_CLK_FREQ; +#else + sys_info->freq_ddrbus = sysclk; +#endif + + sys_info->freq_systembus *= (gur_in32(&gur->rcwsr[0]) >> + FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_SHIFT) & + FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_MASK; + sys_info->freq_ddrbus *= (gur_in32(&gur->rcwsr[0]) >> + FSL_CHASSIS2_RCWSR0_MEM_PLL_RAT_SHIFT) & + FSL_CHASSIS2_RCWSR0_MEM_PLL_RAT_MASK; + + for (i = 0; i < CONFIG_SYS_FSL_NUM_CC_PLLS; i++) { + ratio[i] = (in_be32(&clk->pllcgsr[i].pllcngsr) >> 1) & 0xff; + if (ratio[i] > 4) + freq_c_pll[i] = sysclk * ratio[i]; + else + freq_c_pll[i] = sys_info->freq_systembus * ratio[i]; + } + + for (cpu = 0; cpu < CONFIG_MAX_CPUS; cpu++) { + u32 c_pll_sel = (in_be32(&clk->clkcsr[cpu].clkcncsr) >> 27) + & 0xf; + u32 cplx_pll = core_cplx_pll[c_pll_sel]; + + sys_info->freq_processor[cpu] = + freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel]; + } + +#define HWA_CGA_M1_CLK_SEL 0xe0000000 +#define HWA_CGA_M1_CLK_SHIFT 29 + +#define HWA_CGA_M2_CLK_SEL 0x00000007 +#define HWA_CGA_M2_CLK_SHIFT 0 + +#if defined(CONFIG_FSL_IFC) + ccr = ifc_in32(&ifc_regs.gregs->ifc_ccr); + ccr = ((ccr & IFC_CCR_CLK_DIV_MASK) >> IFC_CCR_CLK_DIV_SHIFT) + 1; + + sys_info->freq_localbus = sys_info->freq_systembus / ccr; +#endif +} + +int get_clocks(void) +{ + struct sys_info sys_info; + + get_sys_info(&sys_info); + gd->cpu_clk = sys_info.freq_processor[0]; + gd->bus_clk = sys_info.freq_systembus; + gd->mem_clk = sys_info.freq_ddrbus; + + if (gd->cpu_clk != 0) + return 0; + else + return 1; +} + +ulong get_bus_freq(ulong dummy) +{ + return gd->bus_clk; +} + +ulong get_ddr_freq(ulong dummy) +{ + return gd->mem_clk; +} + +int get_serial_clock(void) +{ + return gd->bus_clk; +} + +unsigned int mxc_get_clock(enum mxc_clock clk) +{ + switch (clk) { + case MXC_I2C_CLK: + return get_bus_freq(0); + case MXC_DSPI_CLK: + return get_bus_freq(0); + case MXC_UART_CLK: + return get_bus_freq(0); + default: + printf("Unsupported clock\n"); + } + return 0; +} diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 73e48a7d58..637853d51f 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -76,6 +76,23 @@ void fsl_lsch3_early_init_f(void) init_early_memctl_regs(); /* tighten IFC timing */ erratum_a009203(); } + +#elif defined(CONFIG_LS1043A) +void fsl_lsch2_early_init_f(void) +{ + struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; + +#ifdef CONFIG_FSL_IFC + init_early_memctl_regs(); /* tighten IFC timing */ +#endif + + /* + * Enable snoop requests and DVM message requests for + * Slave insterface S4 (A53 core cluster) + */ + out_le32(&cci->slave[4].snoop_ctrl, + CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN); +} #endif #ifdef CONFIG_BOARD_LATE_INIT |