+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
+ * Copyright 2019 NXP.
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/soc.h>
#include <fsl_ifc.h>
+#include "cpu.h"
DECLARE_GLOBAL_DATA_PTR;
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
-#if (defined(CONFIG_FSL_ESDHC) &&\
- defined(CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK)) ||\
- defined(CONFIG_SYS_DPAA_FMAN)
-
+/* rcw_tmp is needed to get FMAN clock, or to get cluster group A
+ * mux 2 clock for LS1043A/LS1046A.
+ */
+#if defined(CONFIG_SYS_DPAA_FMAN) || \
+ defined(CONFIG_TARGET_LS1046ARDB) || \
+ defined(CONFIG_TARGET_LS1043ARDB)
u32 rcw_tmp;
#endif
struct ccsr_clk *clk = (void *)(CONFIG_SYS_FSL_CLK_ADDR);
[5] = 2, /* CC2 PPL / 2 */
};
- uint i;
+ uint i, cluster;
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;
+ unsigned long cluster_clk;
sys_info->freq_systembus = sysclk;
+#ifndef CONFIG_CLUSTER_CLK_FREQ
+#define CONFIG_CLUSTER_CLK_FREQ CONFIG_SYS_CLK_FREQ
+#endif
+ cluster_clk = CONFIG_CLUSTER_CLK_FREQ;
+
#ifdef CONFIG_DDR_CLK_FREQ
sys_info->freq_ddrbus = CONFIG_DDR_CLK_FREQ;
#else
sys_info->freq_ddrbus = sysclk;
#endif
-#ifdef CONFIG_LS1012A
- sys_info->freq_ddrbus *= (gur_in32(&gur->rcwsr[0]) >>
- FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_SHIFT) &
- FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_MASK;
-#else
+ /* The freq_systembus is used to record frequency of platform PLL */
sys_info->freq_systembus *= (gur_in32(&gur->rcwsr[0]) >>
FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_SHIFT) &
FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_MASK;
+
+#ifdef CONFIG_ARCH_LS1012A
+ sys_info->freq_ddrbus = 2 * sys_info->freq_systembus;
+#else
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];
+ freq_c_pll[i] = cluster_clk * 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)
+ for_each_cpu(i, cpu, cpu_numcores(), cpu_mask()) {
+ cluster = fsl_qoriq_core_to_cluster(cpu);
+ u32 c_pll_sel = (in_be32(&clk->clkcsr[cluster].clkcncsr) >> 27)
& 0xf;
u32 cplx_pll = core_cplx_pll[c_pll_sel];
freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel];
}
-#ifdef CONFIG_LS1012A
- sys_info->freq_systembus = sys_info->freq_ddrbus / 2;
- sys_info->freq_ddrbus *= 2;
-#endif
-
#define HWA_CGA_M1_CLK_SEL 0xe0000000
#define HWA_CGA_M1_CLK_SHIFT 29
#ifdef CONFIG_SYS_DPAA_FMAN
case 3:
sys_info->freq_fman[0] = freq_c_pll[0] / 3;
break;
+ case 4:
+ sys_info->freq_fman[0] = freq_c_pll[0] / 4;
+ break;
+ case 5:
+ sys_info->freq_fman[0] = sys_info->freq_systembus;
+ break;
case 6:
sys_info->freq_fman[0] = freq_c_pll[1] / 2;
break;
}
#endif
+#ifdef CONFIG_FSL_ESDHC
#define HWA_CGA_M2_CLK_SEL 0x00000007
#define HWA_CGA_M2_CLK_SHIFT 0
-#ifdef CONFIG_FSL_ESDHC
-#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
+#if defined(CONFIG_TARGET_LS1046ARDB) || defined(CONFIG_TARGET_LS1043ARDB)
rcw_tmp = in_be32(&gur->rcwsr[15]);
- rcw_tmp = (rcw_tmp & HWA_CGA_M2_CLK_SEL) >> HWA_CGA_M2_CLK_SHIFT;
- sys_info->freq_sdhc = freq_c_pll[1] / rcw_tmp;
-#else
- sys_info->freq_sdhc = sys_info->freq_systembus;
+ 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;
+#if defined(CONFIG_TARGET_LS1046ARDB)
+ case 2:
+ sys_info->freq_cga_m2 = freq_c_pll[1] / 2;
+ break;
+#endif
+ case 3:
+ sys_info->freq_cga_m2 = freq_c_pll[1] / 3;
+ break;
+#if defined(CONFIG_TARGET_LS1046ARDB)
+ case 6:
+ sys_info->freq_cga_m2 = freq_c_pll[0] / 2;
+ break;
+#endif
+ default:
+ printf("Error: Unknown peripheral clock select!\n");
+ break;
+ }
#endif
#endif
#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;
+ sys_info->freq_localbus = sys_info->freq_systembus /
+ CONFIG_SYS_FSL_IFC_CLK_DIV;
+#endif
+#ifdef CONFIG_SYS_DPAA_QBMAN
+ sys_info->freq_qman = (sys_info->freq_systembus /
+ CONFIG_SYS_FSL_PCLK_DIV) /
+ CONFIG_SYS_FSL_QMAN_CLK_DIV;
#endif
}
+#ifdef CONFIG_SYS_DPAA_QBMAN
+unsigned long get_qman_freq(void)
+{
+ struct sys_info sys_info;
+
+ get_sys_info(&sys_info);
+
+ return sys_info.freq_qman;
+}
+#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->bus_clk = sys_info.freq_systembus / CONFIG_SYS_FSL_PCLK_DIV;
gd->mem_clk = sys_info.freq_ddrbus;
#ifdef CONFIG_FSL_ESDHC
- gd->arch.sdhc_clk = sys_info.freq_sdhc;
+#if defined(CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK)
+#if defined(CONFIG_TARGET_LS1046ARDB)
+ gd->arch.sdhc_clk = sys_info.freq_cga_m2 / 2;
+#endif
+#if defined(CONFIG_TARGET_LS1043ARDB)
+ gd->arch.sdhc_clk = sys_info.freq_cga_m2;
+#endif
+#if defined(CONFIG_TARGET_LS1012ARDB)
+ gd->arch.sdhc_clk = sys_info.freq_systembus;
+#endif
+#else
+ gd->arch.sdhc_clk = (sys_info.freq_systembus /
+ CONFIG_SYS_FSL_PCLK_DIV) /
+ CONFIG_SYS_FSL_SDHC_CLK_DIV;
+#endif
#endif
-
if (gd->cpu_clk != 0)
return 0;
else
return 1;
}
+/********************************************
+ * get_bus_freq
+ * return platform clock in Hz
+ *********************************************/
ulong get_bus_freq(ulong dummy)
{
+ if (!gd->bus_clk)
+ get_clocks();
+
return gd->bus_clk;
}
ulong get_ddr_freq(ulong dummy)
{
+ if (!gd->mem_clk)
+ get_clocks();
+
return gd->mem_clk;
}
#ifdef CONFIG_FSL_ESDHC
int get_sdhc_freq(ulong dummy)
{
+ if (!gd->arch.sdhc_clk)
+ get_clocks();
+
return gd->arch.sdhc_clk;
}
#endif
int get_serial_clock(void)
{
- return gd->bus_clk;
+ return get_bus_freq(0) / CONFIG_SYS_FSL_DUART_CLK_DIV;
}
+int get_i2c_freq(ulong dummy)
+{
+ return get_bus_freq(0) / CONFIG_SYS_FSL_I2C_CLK_DIV;
+}
+
+int get_dspi_freq(ulong dummy)
+{
+ return get_bus_freq(0) / CONFIG_SYS_FSL_DSPI_CLK_DIV;
+}
+
+#ifdef CONFIG_FSL_LPUART
+int get_uart_freq(ulong dummy)
+{
+ return get_bus_freq(0) / CONFIG_SYS_FSL_LPUART_CLK_DIV;
+}
+#endif
+
unsigned int mxc_get_clock(enum mxc_clock clk)
{
switch (clk) {
case MXC_I2C_CLK:
- return get_bus_freq(0);
+ return get_i2c_freq(0);
#if defined(CONFIG_FSL_ESDHC)
case MXC_ESDHC_CLK:
+ case MXC_ESDHC2_CLK:
return get_sdhc_freq(0);
#endif
case MXC_DSPI_CLK:
- return get_bus_freq(0);
+ return get_dspi_freq(0);
+#ifdef CONFIG_FSL_LPUART
case MXC_UART_CLK:
- return get_bus_freq(0);
+ return get_uart_freq(0);
+#endif
default:
printf("Unsupported clock\n");
}
projects / oweals / u-boot.git / blobdiff