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authorTom Rini <trini@konsulko.com>2019-09-16 13:13:45 -0400
committerTom Rini <trini@konsulko.com>2019-09-16 13:13:45 -0400
commita9fa70b7b7167487affc5d919e541872c99e814b (patch)
treeffe16fdcecb3afe742d730f3c6aa87a3caf8647c /arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
parent0d6160a340cee36813438484dd9f5766c250f22e (diff)
parent737c016d25d6c45e9c003fca9df2ca75f0b1e772 (diff)
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq
- Add emmc hs200 support - Few bug fixes related to serdes, I2C, ethernet, etc
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.c45
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)