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 <[email protected]>
Cc: Tom Rini <[email protected]>
---
 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
-- 
1.6.2.4

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