diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c index a5540f2b9d4..b3e67321b48 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c @@ -64,6 +64,9 @@ void get_sys_info(struct sys_info *sys_info) }; uint i, cluster; +#if defined(CONFIG_TARGET_LS1028ARDB) || defined(CONFIG_TARGET_LS1088ARDB) + uint rcw_tmp; +#endif 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; @@ -127,8 +130,39 @@ void get_sys_info(struct sys_info *sys_info) sys_info->freq_localbus = sys_info->freq_systembus / CONFIG_SYS_FSL_IFC_CLK_DIV; #endif -} +#if defined(CONFIG_TARGET_LS1028ARDB) || defined(CONFIG_TARGET_LS1088ARDB) +#define HWA_CGA_M2_CLK_SEL 0x00380000 +#define HWA_CGA_M2_CLK_SHIFT 19 + rcw_tmp = in_le32(&gur->rcwsr[5]); + switch ((rcw_tmp & HWA_CGA_M2_CLK_SEL) >> HWA_CGA_M2_CLK_SHIFT) { + case 1: + sys_info->freq_cga_m2 = freq_c_pll[1]; + break; + case 2: + sys_info->freq_cga_m2 = freq_c_pll[1] / 2; + break; + case 3: + sys_info->freq_cga_m2 = freq_c_pll[1] / 3; + break; + case 4: + sys_info->freq_cga_m2 = freq_c_pll[1] / 4; + break; + case 6: + sys_info->freq_cga_m2 = freq_c_pll[0] / 2; + break; + case 7: + sys_info->freq_cga_m2 = freq_c_pll[0] / 3; + break; + default: + printf("Error: Unknown peripheral clock select!\n"); + break; + } +#endif +#if defined(CONFIG_TARGET_LX2160ARDB) || defined(CONFIG_TARGET_LS2080ARDB) + sys_info->freq_cga_m2 = sys_info->freq_systembus; +#endif +} int get_clocks(void) { @@ -141,7 +175,16 @@ int get_clocks(void) gd->arch.mem2_clk = sys_info.freq_ddrbus2; #endif #if defined(CONFIG_FSL_ESDHC) +#if defined(CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK) +#if defined(CONFIG_TARGET_LS1028ARDB) || defined(CONFIG_TARGET_LX2160ARDB) + gd->arch.sdhc_clk = sys_info.freq_cga_m2 / 2; +#endif +#if defined(CONFIG_TARGET_LS2080ARDB) || defined(CONFIG_TARGET_LS1088ARDB) + gd->arch.sdhc_clk = sys_info.freq_cga_m2; +#endif +#else gd->arch.sdhc_clk = gd->bus_clk / CONFIG_SYS_FSL_SDHC_CLK_DIV; +#endif #endif /* defined(CONFIG_FSL_ESDHC) */ if (gd->cpu_clk != 0) |