add support for printing various clock frequency info found in SOC such as ARM core frequency, DSP core frequency and DDR frequency as part of bdinfo command.
Signed-off-by: Manjunath Hadli manjunath.hadli@ti.com Cc: Tom Rini trini@ti.com --- arch/arm/cpu/arm926ejs/davinci/cpu.c | 32 ++++++++++++++++++++++++++++++++ arch/arm/include/asm/u-boot.h | 3 +++ arch/arm/lib/board.c | 10 +++++++++- common/cmd_bdinfo.c | 9 +++++++++ include/common.h | 1 + include/configs/cam_enc_4xx.h | 4 ++++ include/configs/da830evm.h | 4 ++++ include/configs/da850evm.h | 4 ++++ include/configs/davinci_dm355evm.h | 4 ++++ include/configs/davinci_dm355leopard.h | 4 ++++ include/configs/davinci_dm365evm.h | 4 ++++ include/configs/davinci_dm6467Tevm.h | 4 ++++ include/configs/davinci_dm6467evm.h | 4 ++++ include/configs/davinci_dvevm.h | 5 +++++ include/configs/davinci_schmoogie.h | 4 ++++ include/configs/davinci_sffsdr.h | 4 ++++ include/configs/davinci_sonata.h | 4 ++++ include/configs/ea20.h | 4 ++++ include/configs/enbw_cmc.h | 4 ++++ include/configs/hawkboard.h | 4 ++++ 20 files changed, 115 insertions(+), 1 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/davinci/cpu.c b/arch/arm/cpu/arm926ejs/davinci/cpu.c index 1735555..b3c9fb7 100644 --- a/arch/arm/cpu/arm926ejs/davinci/cpu.c +++ b/arch/arm/cpu/arm926ejs/davinci/cpu.c @@ -25,6 +25,8 @@ #include <asm/arch/hardware.h> #include <asm/io.h>
+DECLARE_GLOBAL_DATA_PTR; + /* offsets from PLL controller base */ #define PLLC_PLLCTL 0x100 #define PLLC_PLLM 0x110 @@ -187,6 +189,36 @@ unsigned int davinci_clk_get(unsigned int div) #endif #endif /* !CONFIG_SOC_DA8XX */
+int set_cpu_clk_info(void) +{ +#ifdef CONFIG_SOC_DA8XX + gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000; + /* DDR PHY uses an x2 input clock */ + gd->bd->bi_ddr_freq = clk_get(0x10001) / 1000000; +#else + + unsigned int pllbase = DAVINCI_PLL_CNTRL0_BASE; +#if defined(CONFIG_SOC_DM365) + pllbase = DAVINCI_PLL_CNTRL1_BASE; +#endif + gd->bd->bi_arm_freq = pll_sysclk_mhz(pllbase, ARM_PLLDIV); + +#ifdef DSP_PLLDIV + gd->bd->bi_dsp_freq = + pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, DSP_PLLDIV); +#else + gd->bd->bi_dsp_freq = 0; +#endif + + pllbase = DAVINCI_PLL_CNTRL1_BASE; +#if defined(CONFIG_SOC_DM365) + pllbase = DAVINCI_PLL_CNTRL0_BASE; +#endif + gd->bd->bi_ddr_freq = pll_sysclk_mhz(pllbase, DDR_PLLDIV) / 2; +#endif + return 0; +} + /* * Initializes on-chip ethernet controllers. * to override, implement board_eth_init() diff --git a/arch/arm/include/asm/u-boot.h b/arch/arm/include/asm/u-boot.h index f30b9fc..20e1653 100644 --- a/arch/arm/include/asm/u-boot.h +++ b/arch/arm/include/asm/u-boot.h @@ -41,6 +41,9 @@ typedef struct bd_info { unsigned long bi_ip_addr; /* IP Address */ ulong bi_arch_number; /* unique id for this board */ ulong bi_boot_params; /* where this board expects params */ + unsigned long bi_arm_freq; /* arm frequency */ + unsigned long bi_dsp_freq; /* dsp core frequency */ + unsigned long bi_ddr_freq; /* ddr frequency */ struct /* RAM configuration */ { ulong start; diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index 3d78274..500e216 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -463,7 +463,15 @@ void board_init_r(gd_t *id, ulong dest_addr)
debug("monitor flash len: %08lX\n", monitor_flash_len); board_init(); /* Setup chipselects */ - + /* + * TODO: printing of the clock inforamtion of the board is now + * implemented as part of bdinfo command. Currently only support for + * davinci SOC's is added. Remove this check once all the board + * implement this. + */ +#ifdef CONFIG_CLOCKS + set_cpu_clk_info(); /* Setup clock information */ +#endif #ifdef CONFIG_SERIAL_MULTI serial_initialize(); #endif diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c index 97f2945..5359a47 100644 --- a/common/cmd_bdinfo.c +++ b/common/cmd_bdinfo.c @@ -370,6 +370,15 @@ int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) print_num("irq_sp", gd->irq_sp); /* irq stack pointer */ print_num("sp start ", gd->start_addr_sp); print_num("FB base ", gd->fb_base); + /* + * TODO: Currently only support for davinci SOC's is added. + * Remove this check once all the board implement this. + */ +#ifdef CONFIG_CLOCKS + printf("ARM frequency = %ld MHz\n", gd->bd->bi_arm_freq); + printf("DSP frequency = %ld MHz\n", gd->bd->bi_dsp_freq); + printf("DDR frequency = %ld MHz\n", gd->bd->bi_ddr_freq); +#endif return 0; }
diff --git a/include/common.h b/include/common.h index 3df1def..637422c 100644 --- a/include/common.h +++ b/include/common.h @@ -284,6 +284,7 @@ int last_stage_init(void); extern ulong monitor_flash_len; int mac_read_from_eeprom(void); extern u8 _binary_dt_dtb_start[]; /* embedded device tree blob */ +int set_cpu_clk_info(void);
/* * Called when console output is requested before the console is available. diff --git a/include/configs/cam_enc_4xx.h b/include/configs/cam_enc_4xx.h index 419cfd4..3216e67 100644 --- a/include/configs/cam_enc_4xx.h +++ b/include/configs/cam_enc_4xx.h @@ -123,6 +123,10 @@ #define CONFIG_CMD_PING #define CONFIG_CMD_SAVES
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifdef CONFIG_MMC #define CONFIG_DOS_PARTITION #define CONFIG_CMD_EXT2 diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h index 6ac25d2..7af04d1 100644 --- a/include/configs/da830evm.h +++ b/include/configs/da830evm.h @@ -204,6 +204,10 @@ #undef CONFIG_CMD_FPGA #undef CONFIG_CMD_SETGETDCR
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifndef CONFIG_DRIVER_TI_EMAC #undef CONFIG_CMD_NET #undef CONFIG_CMD_DHCP diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h index fcbbace..aa5eb0e 100644 --- a/include/configs/da850evm.h +++ b/include/configs/da850evm.h @@ -270,6 +270,10 @@ #define CONFIG_CMD_SAVES #define CONFIG_CMD_MEMORY
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifndef CONFIG_DRIVER_TI_EMAC #undef CONFIG_CMD_NET #undef CONFIG_CMD_DHCP diff --git a/include/configs/davinci_dm355evm.h b/include/configs/davinci_dm355evm.h index 8578730..42caf1e 100644 --- a/include/configs/davinci_dm355evm.h +++ b/include/configs/davinci_dm355evm.h @@ -98,6 +98,10 @@ #define CONFIG_CMD_PING #define CONFIG_CMD_SAVES
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifdef CONFIG_MMC #define CONFIG_DOS_PARTITION #define CONFIG_CMD_EXT2 diff --git a/include/configs/davinci_dm355leopard.h b/include/configs/davinci_dm355leopard.h index eaff66e..35b24f7 100644 --- a/include/configs/davinci_dm355leopard.h +++ b/include/configs/davinci_dm355leopard.h @@ -84,6 +84,10 @@ #define CONFIG_CMD_PING #define CONFIG_CMD_SAVES
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifdef CONFIG_NAND_DAVINCI #define CONFIG_CMD_MTDPARTS #define CONFIG_MTD_PARTITIONS diff --git a/include/configs/davinci_dm365evm.h b/include/configs/davinci_dm365evm.h index cb6ed24..a75bce6 100644 --- a/include/configs/davinci_dm365evm.h +++ b/include/configs/davinci_dm365evm.h @@ -142,6 +142,10 @@ #define CONFIG_CMD_PING #define CONFIG_CMD_SAVES
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifdef CONFIG_MMC #define CONFIG_DOS_PARTITION #define CONFIG_CMD_EXT2 diff --git a/include/configs/davinci_dm6467Tevm.h b/include/configs/davinci_dm6467Tevm.h index f7c994e..0cbdec8 100644 --- a/include/configs/davinci_dm6467Tevm.h +++ b/include/configs/davinci_dm6467Tevm.h @@ -152,6 +152,10 @@ extern unsigned int davinci_arm_clk_get(void); #define CONFIG_CMD_NAND #endif
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #define CONFIG_MAX_RAM_BANK_SIZE (256 << 20) /* 256 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 diff --git a/include/configs/davinci_dm6467evm.h b/include/configs/davinci_dm6467evm.h index ddfd3ed..e0fe6b5 100644 --- a/include/configs/davinci_dm6467evm.h +++ b/include/configs/davinci_dm6467evm.h @@ -150,6 +150,10 @@ extern unsigned int davinci_arm_clk_get(void); #define CONFIG_CMD_NAND #endif
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #define CONFIG_MAX_RAM_BANK_SIZE (256 << 20) /* 256 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 diff --git a/include/configs/davinci_dvevm.h b/include/configs/davinci_dvevm.h index a2aa3c3..310d577 100644 --- a/include/configs/davinci_dvevm.h +++ b/include/configs/davinci_dvevm.h @@ -199,6 +199,11 @@ #define CONFIG_CMD_SAVES #define CONFIG_CMD_EEPROM #undef CONFIG_CMD_BDI + +#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #undef CONFIG_CMD_FPGA #undef CONFIG_CMD_SETGETDCR #ifdef CONFIG_SYS_USE_NAND diff --git a/include/configs/davinci_schmoogie.h b/include/configs/davinci_schmoogie.h index e0a8ee9..949174a 100644 --- a/include/configs/davinci_schmoogie.h +++ b/include/configs/davinci_schmoogie.h @@ -148,6 +148,10 @@ #undef CONFIG_CMD_FLASH #undef CONFIG_CMD_IMLS
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #define CONFIG_MAX_RAM_BANK_SIZE (256 << 20) /* 256 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 diff --git a/include/configs/davinci_sffsdr.h b/include/configs/davinci_sffsdr.h index a2da65a..c931ede 100644 --- a/include/configs/davinci_sffsdr.h +++ b/include/configs/davinci_sffsdr.h @@ -141,6 +141,10 @@ #undef CONFIG_CMD_FLASH #undef CONFIG_CMD_IMLS
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #define CONFIG_MAX_RAM_BANK_SIZE (256 << 20) /* 256 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 diff --git a/include/configs/davinci_sonata.h b/include/configs/davinci_sonata.h index db47966..854099b 100644 --- a/include/configs/davinci_sonata.h +++ b/include/configs/davinci_sonata.h @@ -199,6 +199,10 @@ #error "Either CONFIG_SYS_USE_NAND or CONFIG_SYS_USE_NOR _MUST_ be defined !!!" #endif
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #define CONFIG_MAX_RAM_BANK_SIZE (256 << 20) /* 256 MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 diff --git a/include/configs/ea20.h b/include/configs/ea20.h index 74fec3f..31c9695 100644 --- a/include/configs/ea20.h +++ b/include/configs/ea20.h @@ -168,6 +168,10 @@ #define CONFIG_CMD_MEMORY #define CONFIG_CMD_I2C
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifndef CONFIG_DRIVER_TI_EMAC #undef CONFIG_CMD_NET #undef CONFIG_CMD_DHCP diff --git a/include/configs/enbw_cmc.h b/include/configs/enbw_cmc.h index 1cbc5cc..d759b35 100644 --- a/include/configs/enbw_cmc.h +++ b/include/configs/enbw_cmc.h @@ -271,6 +271,10 @@ #define CONFIG_CMD_MEMORY #define CONFIG_CMD_CACHE
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifndef CONFIG_DRIVER_TI_EMAC #undef CONFIG_CMD_NET #undef CONFIG_CMD_DHCP diff --git a/include/configs/hawkboard.h b/include/configs/hawkboard.h index 12acb27..b37871f 100644 --- a/include/configs/hawkboard.h +++ b/include/configs/hawkboard.h @@ -189,6 +189,10 @@ #define CONFIG_CMD_SAVES #define CONFIG_CMD_MEMORY
+#ifdef CONFIG_CMD_BDI +#define CONFIG_CLOCKS +#endif + #ifdef CONFIG_SYS_USE_NAND #undef CONFIG_CMD_FLASH #undef CONFIG_CMD_IMLS