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-rw-r--r--arch/arm/cpu/armv7/socfpga/Makefile3
-rw-r--r--arch/arm/cpu/armv7/socfpga/clock_manager.c340
-rw-r--r--arch/arm/cpu/armv7/socfpga/fpga_manager.c78
-rw-r--r--arch/arm/cpu/armv7/socfpga/misc.c236
-rw-r--r--arch/arm/cpu/armv7/socfpga/reset_manager.c67
-rw-r--r--arch/arm/cpu/armv7/socfpga/spl.c174
-rw-r--r--arch/arm/cpu/armv7/socfpga/system_manager.c57
-rw-r--r--arch/arm/cpu/armv7/socfpga/timer.c2
8 files changed, 787 insertions, 170 deletions
diff --git a/arch/arm/cpu/armv7/socfpga/Makefile b/arch/arm/cpu/armv7/socfpga/Makefile
index eb33f2c..8b6e108 100644
--- a/arch/arm/cpu/armv7/socfpga/Makefile
+++ b/arch/arm/cpu/armv7/socfpga/Makefile
@@ -8,5 +8,6 @@
#
obj-y := lowlevel_init.o
-obj-y += misc.o timer.o reset_manager.o system_manager.o clock_manager.o
+obj-y += misc.o timer.o reset_manager.o system_manager.o clock_manager.o \
+ fpga_manager.o
obj-$(CONFIG_SPL_BUILD) += spl.o freeze_controller.o scan_manager.o
diff --git a/arch/arm/cpu/armv7/socfpga/clock_manager.c b/arch/arm/cpu/armv7/socfpga/clock_manager.c
index 158501a..d869f47 100644
--- a/arch/arm/cpu/armv7/socfpga/clock_manager.c
+++ b/arch/arm/cpu/armv7/socfpga/clock_manager.c
@@ -8,38 +8,28 @@
#include <asm/io.h>
#include <asm/arch/clock_manager.h>
+DECLARE_GLOBAL_DATA_PTR;
+
static const struct socfpga_clock_manager *clock_manager_base =
- (void *)SOCFPGA_CLKMGR_ADDRESS;
-
-#define CLKMGR_BYPASS_ENABLE 1
-#define CLKMGR_BYPASS_DISABLE 0
-#define CLKMGR_STAT_IDLE 0
-#define CLKMGR_STAT_BUSY 1
-#define CLKMGR_BYPASS_PERPLLSRC_SELECT_EOSC1 0
-#define CLKMGR_BYPASS_PERPLLSRC_SELECT_INPUT_MUX 1
-#define CLKMGR_BYPASS_SDRPLLSRC_SELECT_EOSC1 0
-#define CLKMGR_BYPASS_SDRPLLSRC_SELECT_INPUT_MUX 1
-
-#define CLEAR_BGP_EN_PWRDN \
- (CLKMGR_MAINPLLGRP_VCO_PWRDN_SET(0)| \
- CLKMGR_MAINPLLGRP_VCO_EN_SET(0)| \
- CLKMGR_MAINPLLGRP_VCO_BGPWRDN_SET(0))
-
-#define VCO_EN_BASE \
- (CLKMGR_MAINPLLGRP_VCO_PWRDN_SET(0)| \
- CLKMGR_MAINPLLGRP_VCO_EN_SET(1)| \
- CLKMGR_MAINPLLGRP_VCO_BGPWRDN_SET(0))
-
-static inline void cm_wait_for_lock(uint32_t mask)
+ (struct socfpga_clock_manager *)SOCFPGA_CLKMGR_ADDRESS;
+
+static void cm_wait_for_lock(uint32_t mask)
{
register uint32_t inter_val;
+ uint32_t retry = 0;
do {
inter_val = readl(&clock_manager_base->inter) & mask;
- } while (inter_val != mask);
+ if (inter_val == mask)
+ retry++;
+ else
+ retry = 0;
+ if (retry >= 10)
+ break;
+ } while (1);
}
/* function to poll in the fsm busy bit */
-static inline void cm_wait_for_fsm(void)
+static void cm_wait_for_fsm(void)
{
while (readl(&clock_manager_base->stat) & CLKMGR_STAT_BUSY)
;
@@ -49,22 +39,22 @@ static inline void cm_wait_for_fsm(void)
* function to write the bypass register which requires a poll of the
* busy bit
*/
-static inline void cm_write_bypass(uint32_t val)
+static void cm_write_bypass(uint32_t val)
{
writel(val, &clock_manager_base->bypass);
cm_wait_for_fsm();
}
/* function to write the ctrl register which requires a poll of the busy bit */
-static inline void cm_write_ctrl(uint32_t val)
+static void cm_write_ctrl(uint32_t val)
{
writel(val, &clock_manager_base->ctrl);
cm_wait_for_fsm();
}
/* function to write a clock register that has phase information */
-static inline void cm_write_with_phase(uint32_t value,
- uint32_t reg_address, uint32_t mask)
+static void cm_write_with_phase(uint32_t value,
+ uint32_t reg_address, uint32_t mask)
{
/* poll until phase is zero */
while (readl(reg_address) & mask)
@@ -128,24 +118,18 @@ void cm_basic_init(const cm_config_t *cfg)
writel(0, &clock_manager_base->per_pll.en);
/* Put all plls in bypass */
- cm_write_bypass(
- CLKMGR_BYPASS_PERPLLSRC_SET(
- CLKMGR_BYPASS_PERPLLSRC_SELECT_EOSC1) |
- CLKMGR_BYPASS_SDRPLLSRC_SET(
- CLKMGR_BYPASS_SDRPLLSRC_SELECT_EOSC1) |
- CLKMGR_BYPASS_PERPLL_SET(CLKMGR_BYPASS_ENABLE) |
- CLKMGR_BYPASS_SDRPLL_SET(CLKMGR_BYPASS_ENABLE) |
- CLKMGR_BYPASS_MAINPLL_SET(CLKMGR_BYPASS_ENABLE));
+ cm_write_bypass(CLKMGR_BYPASS_PERPLL | CLKMGR_BYPASS_SDRPLL |
+ CLKMGR_BYPASS_MAINPLL);
- /*
- * Put all plls VCO registers back to reset value.
- * Some code might have messed with them.
- */
- writel(CLKMGR_MAINPLLGRP_VCO_RESET_VALUE,
+ /* Put all plls VCO registers back to reset value. */
+ writel(CLKMGR_MAINPLLGRP_VCO_RESET_VALUE &
+ ~CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK,
&clock_manager_base->main_pll.vco);
- writel(CLKMGR_PERPLLGRP_VCO_RESET_VALUE,
+ writel(CLKMGR_PERPLLGRP_VCO_RESET_VALUE &
+ ~CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK,
&clock_manager_base->per_pll.vco);
- writel(CLKMGR_SDRPLLGRP_VCO_RESET_VALUE,
+ writel(CLKMGR_SDRPLLGRP_VCO_RESET_VALUE &
+ ~CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK,
&clock_manager_base->sdr_pll.vco);
/*
@@ -170,19 +154,9 @@ void cm_basic_init(const cm_config_t *cfg)
* We made sure bgpwr down was assert for 5 us. Now deassert BG PWR DN
* with numerator and denominator.
*/
- writel(cfg->main_vco_base | CLEAR_BGP_EN_PWRDN |
- CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK,
- &clock_manager_base->main_pll.vco);
-
- writel(cfg->peri_vco_base | CLEAR_BGP_EN_PWRDN |
- CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK,
- &clock_manager_base->per_pll.vco);
-
- writel(CLKMGR_SDRPLLGRP_VCO_OUTRESET_SET(0) |
- CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) |
- cfg->sdram_vco_base | CLEAR_BGP_EN_PWRDN |
- CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK,
- &clock_manager_base->sdr_pll.vco);
+ writel(cfg->main_vco_base, &clock_manager_base->main_pll.vco);
+ writel(cfg->peri_vco_base, &clock_manager_base->per_pll.vco);
+ writel(cfg->sdram_vco_base, &clock_manager_base->sdr_pll.vco);
/*
* Time starts here
@@ -217,6 +191,9 @@ void cm_basic_init(const cm_config_t *cfg)
writel(cfg->perqspiclk, &clock_manager_base->per_pll.perqspiclk);
/* Peri pernandsdmmcclk */
+ writel(cfg->mainnandsdmmcclk,
+ &clock_manager_base->main_pll.mainnandsdmmcclk);
+
writel(cfg->pernandsdmmcclk,
&clock_manager_base->per_pll.pernandsdmmcclk);
@@ -232,18 +209,16 @@ void cm_basic_init(const cm_config_t *cfg)
/* Enable vco */
/* main pll vco */
- writel(cfg->main_vco_base | VCO_EN_BASE,
+ writel(cfg->main_vco_base | CLKMGR_MAINPLLGRP_VCO_EN,
&clock_manager_base->main_pll.vco);
/* periferal pll */
- writel(cfg->peri_vco_base | VCO_EN_BASE,
+ writel(cfg->peri_vco_base | CLKMGR_MAINPLLGRP_VCO_EN,
&clock_manager_base->per_pll.vco);
/* sdram pll vco */
- writel(CLKMGR_SDRPLLGRP_VCO_OUTRESET_SET(0) |
- CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) |
- cfg->sdram_vco_base | VCO_EN_BASE,
- &clock_manager_base->sdr_pll.vco);
+ writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN,
+ &clock_manager_base->sdr_pll.vco);
/* L3 MP and L3 SP */
writel(cfg->maindiv, &clock_manager_base->main_pll.maindiv);
@@ -294,8 +269,8 @@ void cm_basic_init(const cm_config_t *cfg)
&clock_manager_base->per_pll.vco);
/* assert sdram outresetall */
- writel(cfg->sdram_vco_base | VCO_EN_BASE|
- CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(1),
+ writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN|
+ CLKMGR_SDRPLLGRP_VCO_OUTRESETALL,
&clock_manager_base->sdr_pll.vco);
/* deassert main outresetall */
@@ -307,9 +282,8 @@ void cm_basic_init(const cm_config_t *cfg)
&clock_manager_base->per_pll.vco);
/* deassert sdram outresetall */
- writel(CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) |
- cfg->sdram_vco_base | VCO_EN_BASE,
- &clock_manager_base->sdr_pll.vco);
+ writel(cfg->sdram_vco_base | CLKMGR_MAINPLLGRP_VCO_EN,
+ &clock_manager_base->sdr_pll.vco);
/*
* now that we've toggled outreset all, all the clocks
@@ -333,18 +307,10 @@ void cm_basic_init(const cm_config_t *cfg)
CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK);
/* Take all three PLLs out of bypass when safe mode is cleared. */
- cm_write_bypass(
- CLKMGR_BYPASS_PERPLLSRC_SET(
- CLKMGR_BYPASS_PERPLLSRC_SELECT_EOSC1) |
- CLKMGR_BYPASS_SDRPLLSRC_SET(
- CLKMGR_BYPASS_SDRPLLSRC_SELECT_EOSC1) |
- CLKMGR_BYPASS_PERPLL_SET(CLKMGR_BYPASS_DISABLE) |
- CLKMGR_BYPASS_SDRPLL_SET(CLKMGR_BYPASS_DISABLE) |
- CLKMGR_BYPASS_MAINPLL_SET(CLKMGR_BYPASS_DISABLE));
+ cm_write_bypass(0);
/* clear safe mode */
- cm_write_ctrl(readl(&clock_manager_base->ctrl) |
- CLKMGR_CTRL_SAFEMODE_SET(CLKMGR_CTRL_SAFEMODE_MASK));
+ cm_write_ctrl(readl(&clock_manager_base->ctrl) | CLKMGR_CTRL_SAFEMODE);
/*
* now that safe mode is clear with clocks gated
@@ -357,4 +323,224 @@ void cm_basic_init(const cm_config_t *cfg)
writel(~0, &clock_manager_base->main_pll.en);
writel(~0, &clock_manager_base->per_pll.en);
writel(~0, &clock_manager_base->sdr_pll.en);
+
+ /* Clear the loss of lock bits (write 1 to clear) */
+ writel(CLKMGR_INTER_SDRPLLLOST_MASK | CLKMGR_INTER_PERPLLLOST_MASK |
+ CLKMGR_INTER_MAINPLLLOST_MASK,
+ &clock_manager_base->inter);
+}
+
+static unsigned int cm_get_main_vco_clk_hz(void)
+{
+ uint32_t reg, clock;
+
+ /* get the main VCO clock */
+ reg = readl(&clock_manager_base->main_pll.vco);
+ clock = CONFIG_HPS_CLK_OSC1_HZ;
+ clock /= ((reg & CLKMGR_MAINPLLGRP_VCO_DENOM_MASK) >>
+ CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) + 1;
+ clock *= ((reg & CLKMGR_MAINPLLGRP_VCO_NUMER_MASK) >>
+ CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET) + 1;
+
+ return clock;
+}
+
+static unsigned int cm_get_per_vco_clk_hz(void)
+{
+ uint32_t reg, clock = 0;
+
+ /* identify PER PLL clock source */
+ reg = readl(&clock_manager_base->per_pll.vco);
+ reg = (reg & CLKMGR_PERPLLGRP_VCO_SSRC_MASK) >>
+ CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET;
+ if (reg == CLKMGR_VCO_SSRC_EOSC1)
+ clock = CONFIG_HPS_CLK_OSC1_HZ;
+ else if (reg == CLKMGR_VCO_SSRC_EOSC2)
+ clock = CONFIG_HPS_CLK_OSC2_HZ;
+ else if (reg == CLKMGR_VCO_SSRC_F2S)
+ clock = CONFIG_HPS_CLK_F2S_PER_REF_HZ;
+
+ /* get the PER VCO clock */
+ reg = readl(&clock_manager_base->per_pll.vco);
+ clock /= ((reg & CLKMGR_PERPLLGRP_VCO_DENOM_MASK) >>
+ CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) + 1;
+ clock *= ((reg & CLKMGR_PERPLLGRP_VCO_NUMER_MASK) >>
+ CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET) + 1;
+
+ return clock;
+}
+
+unsigned long cm_get_mpu_clk_hz(void)
+{
+ uint32_t reg, clock;
+
+ clock = cm_get_main_vco_clk_hz();
+
+ /* get the MPU clock */
+ reg = readl(&clock_manager_base->altera.mpuclk);
+ clock /= (reg + 1);
+ reg = readl(&clock_manager_base->main_pll.mpuclk);
+ clock /= (reg + 1);
+ return clock;
}
+
+unsigned long cm_get_sdram_clk_hz(void)
+{
+ uint32_t reg, clock = 0;
+
+ /* identify SDRAM PLL clock source */
+ reg = readl(&clock_manager_base->sdr_pll.vco);
+ reg = (reg & CLKMGR_SDRPLLGRP_VCO_SSRC_MASK) >>
+ CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET;
+ if (reg == CLKMGR_VCO_SSRC_EOSC1)
+ clock = CONFIG_HPS_CLK_OSC1_HZ;
+ else if (reg == CLKMGR_VCO_SSRC_EOSC2)
+ clock = CONFIG_HPS_CLK_OSC2_HZ;
+ else if (reg == CLKMGR_VCO_SSRC_F2S)
+ clock = CONFIG_HPS_CLK_F2S_SDR_REF_HZ;
+
+ /* get the SDRAM VCO clock */
+ reg = readl(&clock_manager_base->sdr_pll.vco);
+ clock /= ((reg & CLKMGR_SDRPLLGRP_VCO_DENOM_MASK) >>
+ CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) + 1;
+ clock *= ((reg & CLKMGR_SDRPLLGRP_VCO_NUMER_MASK) >>
+ CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) + 1;
+
+ /* get the SDRAM (DDR_DQS) clock */
+ reg = readl(&clock_manager_base->sdr_pll.ddrdqsclk);
+ reg = (reg & CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK) >>
+ CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET;
+ clock /= (reg + 1);
+
+ return clock;
+}
+
+unsigned int cm_get_l4_sp_clk_hz(void)
+{
+ uint32_t reg, clock = 0;
+
+ /* identify the source of L4 SP clock */
+ reg = readl(&clock_manager_base->main_pll.l4src);
+ reg = (reg & CLKMGR_MAINPLLGRP_L4SRC_L4SP) >>
+ CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET;
+
+ if (reg == CLKMGR_L4_SP_CLK_SRC_MAINPLL) {
+ clock = cm_get_main_vco_clk_hz();
+
+ /* get the clock prior L4 SP divider (main clk) */
+ reg = readl(&clock_manager_base->altera.mainclk);
+ clock /= (reg + 1);
+ reg = readl(&clock_manager_base->main_pll.mainclk);
+ clock /= (reg + 1);
+ } else if (reg == CLKMGR_L4_SP_CLK_SRC_PERPLL) {
+ clock = cm_get_per_vco_clk_hz();
+
+ /* get the clock prior L4 SP divider (periph_base_clk) */
+ reg = readl(&clock_manager_base->per_pll.perbaseclk);
+ clock /= (reg + 1);
+ }
+
+ /* get the L4 SP clock which supplied to UART */
+ reg = readl(&clock_manager_base->main_pll.maindiv);
+ reg = (reg & CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK) >>
+ CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET;
+ clock = clock / (1 << reg);
+
+ return clock;
+}
+
+unsigned int cm_get_mmc_controller_clk_hz(void)
+{
+ uint32_t reg, clock = 0;
+
+ /* identify the source of MMC clock */
+ reg = readl(&clock_manager_base->per_pll.src);
+ reg = (reg & CLKMGR_PERPLLGRP_SRC_SDMMC_MASK) >>
+ CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET;
+
+ if (reg == CLKMGR_SDMMC_CLK_SRC_F2S) {
+ clock = CONFIG_HPS_CLK_F2S_PER_REF_HZ;
+ } else if (reg == CLKMGR_SDMMC_CLK_SRC_MAIN) {
+ clock = cm_get_main_vco_clk_hz();
+
+ /* get the SDMMC clock */
+ reg = readl(&clock_manager_base->main_pll.mainnandsdmmcclk);
+ clock /= (reg + 1);
+ } else if (reg == CLKMGR_SDMMC_CLK_SRC_PER) {
+ clock = cm_get_per_vco_clk_hz();
+
+ /* get the SDMMC clock */
+ reg = readl(&clock_manager_base->per_pll.pernandsdmmcclk);
+ clock /= (reg + 1);
+ }
+
+ /* further divide by 4 as we have fixed divider at wrapper */
+ clock /= 4;
+ return clock;
+}
+
+unsigned int cm_get_qspi_controller_clk_hz(void)
+{
+ uint32_t reg, clock = 0;
+
+ /* identify the source of QSPI clock */
+ reg = readl(&clock_manager_base->per_pll.src);
+ reg = (reg & CLKMGR_PERPLLGRP_SRC_QSPI_MASK) >>
+ CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET;
+
+ if (reg == CLKMGR_QSPI_CLK_SRC_F2S) {
+ clock = CONFIG_HPS_CLK_F2S_PER_REF_HZ;
+ } else if (reg == CLKMGR_QSPI_CLK_SRC_MAIN) {
+ clock = cm_get_main_vco_clk_hz();
+
+ /* get the qspi clock */
+ reg = readl(&clock_manager_base->main_pll.mainqspiclk);
+ clock /= (reg + 1);
+ } else if (reg == CLKMGR_QSPI_CLK_SRC_PER) {
+ clock = cm_get_per_vco_clk_hz();
+
+ /* get the qspi clock */
+ reg = readl(&clock_manager_base->per_pll.perqspiclk);
+ clock /= (reg + 1);
+ }
+
+ return clock;
+}
+
+static void cm_print_clock_quick_summary(void)
+{
+ printf("MPU %10ld kHz\n", cm_get_mpu_clk_hz() / 1000);
+ printf("DDR %10ld kHz\n", cm_get_sdram_clk_hz() / 1000);
+ printf("EOSC1 %8d kHz\n", CONFIG_HPS_CLK_OSC1_HZ / 1000);
+ printf("EOSC2 %8d kHz\n", CONFIG_HPS_CLK_OSC2_HZ / 1000);
+ printf("F2S_SDR_REF %8d kHz\n", CONFIG_HPS_CLK_F2S_SDR_REF_HZ / 1000);
+ printf("F2S_PER_REF %8d kHz\n", CONFIG_HPS_CLK_F2S_PER_REF_HZ / 1000);
+ printf("MMC %8d kHz\n", cm_get_mmc_controller_clk_hz() / 1000);
+ printf("QSPI %8d kHz\n", cm_get_qspi_controller_clk_hz() / 1000);
+ printf("UART %8d kHz\n", cm_get_l4_sp_clk_hz() / 1000);
+}
+
+int set_cpu_clk_info(void)
+{
+ /* Calculate the clock frequencies required for drivers */
+ cm_get_l4_sp_clk_hz();
+ cm_get_mmc_controller_clk_hz();
+
+ gd->bd->bi_arm_freq = cm_get_mpu_clk_hz() / 1000000;
+ gd->bd->bi_dsp_freq = 0;
+ gd->bd->bi_ddr_freq = cm_get_sdram_clk_hz() / 1000000;
+
+ return 0;
+}
+
+int do_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ cm_print_clock_quick_summary();
+ return 0;
+}
+
+U_BOOT_CMD(
+ clocks, CONFIG_SYS_MAXARGS, 1, do_showclocks,
+ "display clocks",
+ ""
+);
diff --git a/arch/arm/cpu/armv7/socfpga/fpga_manager.c b/arch/arm/cpu/armv7/socfpga/fpga_manager.c
new file mode 100644
index 0000000..43fd2fe
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/fpga_manager.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ * All rights reserved.
+ *
+ * This file contains only support functions used also by the SoCFPGA
+ * platform code, the real meat is located in drivers/fpga/socfpga.c .
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/fpga_manager.h>
+#include <asm/arch/reset_manager.h>
+#include <asm/arch/system_manager.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Timeout count */
+#define FPGA_TIMEOUT_CNT 0x1000000
+
+static struct socfpga_fpga_manager *fpgamgr_regs =
+ (struct socfpga_fpga_manager *)SOCFPGA_FPGAMGRREGS_ADDRESS;
+
+/* Check whether FPGA Init_Done signal is high */
+static int is_fpgamgr_initdone_high(void)
+{
+ unsigned long val;
+
+ val = readl(&fpgamgr_regs->gpio_ext_porta);
+ return val & FPGAMGRREGS_MON_GPIO_EXT_PORTA_ID_MASK;
+}
+
+/* Get the FPGA mode */
+int fpgamgr_get_mode(void)
+{
+ unsigned long val;
+
+ val = readl(&fpgamgr_regs->stat);
+ return val & FPGAMGRREGS_STAT_MODE_MASK;
+}
+
+/* Check whether FPGA is ready to be accessed */
+int fpgamgr_test_fpga_ready(void)
+{
+ /* Check for init done signal */
+ if (!is_fpgamgr_initdone_high())
+ return 0;
+
+ /* Check again to avoid false glitches */
+ if (!is_fpgamgr_initdone_high())
+ return 0;
+
+ if (fpgamgr_get_mode() != FPGAMGRREGS_MODE_USERMODE)
+ return 0;
+
+ return 1;
+}
+
+/* Poll until FPGA is ready to be accessed or timeout occurred */
+int fpgamgr_poll_fpga_ready(void)
+{
+ unsigned long i;
+
+ /* If FPGA is blank, wait till WD invoke warm reset */
+ for (i = 0; i < FPGA_TIMEOUT_CNT; i++) {
+ /* check for init done signal */
+ if (!is_fpgamgr_initdone_high())
+ continue;
+ /* check again to avoid false glitches */
+ if (!is_fpgamgr_initdone_high())
+ continue;
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/arch/arm/cpu/armv7/socfpga/misc.c b/arch/arm/cpu/armv7/socfpga/misc.c
index ecae393..0eab264 100644
--- a/arch/arm/cpu/armv7/socfpga/misc.c
+++ b/arch/arm/cpu/armv7/socfpga/misc.c
@@ -6,24 +6,103 @@
#include <common.h>
#include <asm/io.h>
+#include <altera.h>
#include <miiphy.h>
#include <netdev.h>
+#include <asm/arch/reset_manager.h>
+#include <asm/arch/system_manager.h>
+#include <asm/arch/dwmmc.h>
+#include <asm/arch/nic301.h>
+#include <asm/arch/scu.h>
+#include <asm/pl310.h>
DECLARE_GLOBAL_DATA_PTR;
+static struct pl310_regs *const pl310 =
+ (struct pl310_regs *)CONFIG_SYS_PL310_BASE;
+static struct socfpga_system_manager *sysmgr_regs =
+ (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+static struct socfpga_reset_manager *reset_manager_base =
+ (struct socfpga_reset_manager *)SOCFPGA_RSTMGR_ADDRESS;
+static struct nic301_registers *nic301_regs =
+ (struct nic301_registers *)SOCFPGA_L3REGS_ADDRESS;
+static struct scu_registers *scu_regs =
+ (struct scu_registers *)SOCFPGA_MPUSCU_ADDRESS;
+
int dram_init(void)
{
gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
return 0;
}
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_ICACHE_OFF
+ icache_enable();
+#endif
+#ifndef CONFIG_SYS_DCACHE_OFF
+ dcache_enable();
+#endif
+}
+
+/*
+ * DesignWare Ethernet initialization
+ */
+#ifdef CONFIG_DESIGNWARE_ETH
+int cpu_eth_init(bd_t *bis)
+{
+#if CONFIG_EMAC_BASE == SOCFPGA_EMAC0_ADDRESS
+ const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL0_LSB;
+#elif CONFIG_EMAC_BASE == SOCFPGA_EMAC1_ADDRESS
+ const int physhift = SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB;
+#else
+#error "Incorrect CONFIG_EMAC_BASE value!"
+#endif
+
+ /* Initialize EMAC. This needs to be done at least once per boot. */
+
+ /*
+ * Putting the EMAC controller to reset when configuring the PHY
+ * interface select at System Manager
+ */
+ socfpga_emac_reset(1);
+
+ /* Clearing emac0 PHY interface select to 0 */
+ clrbits_le32(&sysmgr_regs->emacgrp_ctrl,
+ SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << physhift);
+
+ /* configure to PHY interface select choosed */
+ setbits_le32(&sysmgr_regs->emacgrp_ctrl,
+ SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << physhift);
+
+ /* Release the EMAC controller from reset */
+ socfpga_emac_reset(0);
+
+ /* initialize and register the emac */
+ return designware_initialize(CONFIG_EMAC_BASE,
+ CONFIG_PHY_INTERFACE_MODE);
+}
+#endif
+
+#ifdef CONFIG_DWMMC
+/*
+ * Initializes MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
+{
+ return socfpga_dwmmc_init(SOCFPGA_SDMMC_ADDRESS,
+ CONFIG_HPS_SDMMC_BUSWIDTH, 0);
+}
+#endif
+
#if defined(CONFIG_DISPLAY_CPUINFO)
/*
* Print CPU information
*/
int print_cpuinfo(void)
{
- puts("CPU : Altera SOCFPGA Platform\n");
+ puts("CPU: Altera SoCFPGA Platform\n");
return 0;
}
#endif
@@ -36,22 +115,159 @@ int overwrite_console(void)
}
#endif
-int misc_init_r(void)
+#ifdef CONFIG_FPGA
+/*
+ * FPGA programming support for SoC FPGA Cyclone V
+ */
+static Altera_desc altera_fpga[] = {
+ {
+ /* Family */
+ Altera_SoCFPGA,
+ /* Interface type */
+ fast_passive_parallel,
+ /* No limitation as additional data will be ignored */
+ -1,
+ /* No device function table */
+ NULL,
+ /* Base interface address specified in driver */
+ NULL,
+ /* No cookie implementation */
+ 0
+ },
+};
+
+/* add device descriptor to FPGA device table */
+static void socfpga_fpga_add(void)
{
- return 0;
+ int i;
+ fpga_init();
+ for (i = 0; i < ARRAY_SIZE(altera_fpga); i++)
+ fpga_add(fpga_altera, &altera_fpga[i]);
}
+#else
+static inline void socfpga_fpga_add(void) {}
+#endif
+int arch_cpu_init(void)
+{
+ /*
+ * If the HW watchdog is NOT enabled, make sure it is not running,
+ * for example because it was enabled in the preloader. This might
+ * trigger a watchdog-triggered reboot of Linux kernel later.
+ */
+#ifndef CONFIG_HW_WATCHDOG
+ socfpga_watchdog_reset();
+#endif
+ return 0;
+}
/*
- * DesignWare Ethernet initialization
+ * Convert all NIC-301 AMBA slaves from secure to non-secure
*/
-int cpu_eth_init(bd_t *bis)
+static void socfpga_nic301_slave_ns(void)
{
-#if !defined(CONFIG_SOCFPGA_VIRTUAL_TARGET) && !defined(CONFIG_SPL_BUILD)
- /* initialize and register the emac */
- return designware_initialize(CONFIG_EMAC_BASE,
- CONFIG_PHY_INTERFACE_MODE);
+ writel(0x1, &nic301_regs->lwhps2fpgaregs);
+ writel(0x1, &nic301_regs->hps2fpgaregs);
+ writel(0x1, &nic301_regs->acp);
+ writel(0x1, &nic301_regs->rom);
+ writel(0x1, &nic301_regs->ocram);
+ writel(0x1, &nic301_regs->sdrdata);
+}
+
+static uint32_t iswgrp_handoff[8];
+
+int misc_init_r(void)
+{
+ int i;
+ for (i = 0; i < 8; i++) /* Cache initial SW setting regs */
+ iswgrp_handoff[i] = readl(&sysmgr_regs->iswgrp_handoff[i]);
+
+ socfpga_bridges_reset(1);
+ socfpga_nic301_slave_ns();
+
+ /*
+ * Private components security:
+ * U-Boot : configure private timer, global timer and cpu component
+ * access as non secure for kernel stage (as required by Linux)
+ */
+ setbits_le32(&scu_regs->sacr, 0xfff);
+
+ /* Configure the L2 controller to make SDRAM start at 0 */
+#ifdef CONFIG_SOCFPGA_VIRTUAL_TARGET
+ writel(0x2, &nic301_regs->remap);
#else
- return 0;
+ writel(0x1, &nic301_regs->remap); /* remap.mpuzero */
+ writel(0x1, &pl310->pl310_addr_filter_start);
#endif
+
+ /* Add device descriptor to FPGA device table */
+ socfpga_fpga_add();
+ return 0;
+}
+
+static void socfpga_sdram_apply_static_cfg(void)
+{
+ const uint32_t staticcfg = SOCFPGA_SDR_ADDRESS + 0x505c;
+ const uint32_t applymask = 0x8;
+ uint32_t val = readl(staticcfg) | applymask;
+
+ /*
+ * SDRAM staticcfg register specific:
+ * When applying the register setting, the CPU must not access
+ * SDRAM. Luckily for us, we can abuse i-cache here to help us
+ * circumvent the SDRAM access issue. The idea is to make sure
+ * that the code is in one full i-cache line by branching past
+ * it and back. Once it is in the i-cache, we execute the core
+ * of the code and apply the register settings.
+ *
+ * The code below uses 7 instructions, while the Cortex-A9 has
+ * 32-byte cachelines, thus the limit is 8 instructions total.
+ */
+ asm volatile(
+ ".align 5 \n"
+ " b 2f \n"
+ "1: str %0, [%1] \n"
+ " dsb \n"
+ " isb \n"
+ " b 3f \n"
+ "2: b 1b \n"
+ "3: nop \n"
+ : : "r"(val), "r"(staticcfg) : "memory", "cc");
}
+
+int do_bridge(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc != 2)
+ return CMD_RET_USAGE;
+
+ argv++;
+
+ switch (*argv[0]) {
+ case 'e': /* Enable */
+ writel(iswgrp_handoff[2], &sysmgr_regs->fpgaintfgrp_module);
+ socfpga_sdram_apply_static_cfg();
+ writel(iswgrp_handoff[3], SOCFPGA_SDR_ADDRESS + 0x5080);
+ writel(iswgrp_handoff[0], &reset_manager_base->brg_mod_reset);
+ writel(iswgrp_handoff[1], &nic301_regs->remap);
+ break;
+ case 'd': /* Disable */
+ writel(0, &sysmgr_regs->fpgaintfgrp_module);
+ writel(0, SOCFPGA_SDR_ADDRESS + 0x5080);
+ socfpga_sdram_apply_static_cfg();
+ writel(0, &reset_manager_base->brg_mod_reset);
+ writel(1, &nic301_regs->remap);
+ break;
+ default:
+ return CMD_RET_USAGE;
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ bridge, 2, 1, do_bridge,
+ "SoCFPGA HPS FPGA bridge control",
+ "enable - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
+ "bridge disable - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n"
+ ""
+);
diff --git a/arch/arm/cpu/armv7/socfpga/reset_manager.c b/arch/arm/cpu/armv7/socfpga/reset_manager.c
index e320c01..1d3a95d 100644
--- a/arch/arm/cpu/armv7/socfpga/reset_manager.c
+++ b/arch/arm/cpu/armv7/socfpga/reset_manager.c
@@ -8,12 +8,25 @@
#include <common.h>
#include <asm/io.h>
#include <asm/arch/reset_manager.h>
+#include <asm/arch/fpga_manager.h>
DECLARE_GLOBAL_DATA_PTR;
static const struct socfpga_reset_manager *reset_manager_base =
(void *)SOCFPGA_RSTMGR_ADDRESS;
+/* Toggle reset signal to watchdog (WDT is disabled after this operation!) */
+void socfpga_watchdog_reset(void)
+{
+ /* assert reset for watchdog */
+ setbits_le32(&reset_manager_base->per_mod_reset,
+ 1 << RSTMGR_PERMODRST_L4WD0_LSB);
+
+ /* deassert watchdog from reset (watchdog in not running state) */
+ clrbits_le32(&reset_manager_base->per_mod_reset,
+ 1 << RSTMGR_PERMODRST_L4WD0_LSB);
+}
+
/*
* Write the reset manager register to cause reset
*/
@@ -37,3 +50,57 @@ void reset_deassert_peripherals_handoff(void)
{
writel(0, &reset_manager_base->per_mod_reset);
}
+
+#if defined(CONFIG_SOCFPGA_VIRTUAL_TARGET)
+void socfpga_bridges_reset(int enable)
+{
+ /* For SoCFPGA-VT, this is NOP. */
+}
+#else
+
+#define L3REGS_REMAP_LWHPS2FPGA_MASK 0x10
+#define L3REGS_REMAP_HPS2FPGA_MASK 0x08
+#define L3REGS_REMAP_OCRAM_MASK 0x01
+
+void socfpga_bridges_reset(int enable)
+{
+ const uint32_t l3mask = L3REGS_REMAP_LWHPS2FPGA_MASK |
+ L3REGS_REMAP_HPS2FPGA_MASK |
+ L3REGS_REMAP_OCRAM_MASK;
+
+ if (enable) {
+ /* brdmodrst */
+ writel(0xffffffff, &reset_manager_base->brg_mod_reset);
+ } else {
+ /* Check signal from FPGA. */
+ if (fpgamgr_poll_fpga_ready()) {
+ /* FPGA not ready. Wait for watchdog timeout. */
+ printf("%s: fpga not ready, hanging.\n", __func__);
+ hang();
+ }
+
+ /* brdmodrst */
+ writel(0, &reset_manager_base->brg_mod_reset);
+
+ /* Remap the bridges into memory map */
+ writel(l3mask, SOCFPGA_L3REGS_ADDRESS);
+ }
+}
+#endif
+
+/* Change the reset state for EMAC 0 and EMAC 1 */
+void socfpga_emac_reset(int enable)
+{
+ const void *reset = &reset_manager_base->per_mod_reset;
+
+ if (enable) {
+ setbits_le32(reset, 1 << RSTMGR_PERMODRST_EMAC0_LSB);
+ setbits_le32(reset, 1 << RSTMGR_PERMODRST_EMAC1_LSB);
+ } else {
+#if (CONFIG_EMAC_BASE == SOCFPGA_EMAC0_ADDRESS)
+ clrbits_le32(reset, 1 << RSTMGR_PERMODRST_EMAC0_LSB);
+#elif (CONFIG_EMAC_BASE == SOCFPGA_EMAC1_ADDRESS)
+ clrbits_le32(reset, 1 << RSTMGR_PERMODRST_EMAC1_LSB);
+#endif
+ }
+}
diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c
index 27efde6..bd9f338 100644
--- a/arch/arm/cpu/armv7/socfpga/spl.c
+++ b/arch/arm/cpu/armv7/socfpga/spl.c
@@ -19,6 +19,31 @@
DECLARE_GLOBAL_DATA_PTR;
+#define MAIN_VCO_BASE ( \
+ (CONFIG_HPS_MAINPLLGRP_VCO_DENOM << \
+ CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) | \
+ (CONFIG_HPS_MAINPLLGRP_VCO_NUMER << \
+ CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET) \
+ )
+
+#define PERI_VCO_BASE ( \
+ (CONFIG_HPS_PERPLLGRP_VCO_PSRC << \
+ CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET) | \
+ (CONFIG_HPS_PERPLLGRP_VCO_DENOM << \
+ CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) | \
+ (CONFIG_HPS_PERPLLGRP_VCO_NUMER << \
+ CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET) \
+ )
+
+#define SDR_VCO_BASE ( \
+ (CONFIG_HPS_SDRPLLGRP_VCO_SSRC << \
+ CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET) | \
+ (CONFIG_HPS_SDRPLLGRP_VCO_DENOM << \
+ CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) | \
+ (CONFIG_HPS_SDRPLLGRP_VCO_NUMER << \
+ CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) \
+ )
+
u32 spl_boot_device(void)
{
return BOOT_DEVICE_RAM;
@@ -33,86 +58,87 @@ void spl_board_init(void)
cm_config_t cm_default_cfg = {
/* main group */
MAIN_VCO_BASE,
- CLKMGR_MAINPLLGRP_MPUCLK_CNT_SET(
- CONFIG_HPS_MAINPLLGRP_MPUCLK_CNT),
- CLKMGR_MAINPLLGRP_MAINCLK_CNT_SET(
- CONFIG_HPS_MAINPLLGRP_MAINCLK_CNT),
- CLKMGR_MAINPLLGRP_DBGATCLK_CNT_SET(
- CONFIG_HPS_MAINPLLGRP_DBGATCLK_CNT),
- CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_SET(
- CONFIG_HPS_MAINPLLGRP_MAINQSPICLK_CNT),
- CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_SET(
- CONFIG_HPS_MAINPLLGRP_MAINNANDSDMMCCLK_CNT),
- CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_SET(
- CONFIG_HPS_MAINPLLGRP_CFGS2FUSER0CLK_CNT),
- CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_SET(
- CONFIG_HPS_MAINPLLGRP_MAINDIV_L3MPCLK) |
- CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_SET(
- CONFIG_HPS_MAINPLLGRP_MAINDIV_L3SPCLK) |
- CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_SET(
- CONFIG_HPS_MAINPLLGRP_MAINDIV_L4MPCLK) |
- CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_SET(
- CONFIG_HPS_MAINPLLGRP_MAINDIV_L4SPCLK),
- CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_SET(
- CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGATCLK) |
- CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_SET(
- CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGCLK),
- CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_SET(
- CONFIG_HPS_MAINPLLGRP_TRACEDIV_TRACECLK),
- CLKMGR_MAINPLLGRP_L4SRC_L4MP_SET(
- CONFIG_HPS_MAINPLLGRP_L4SRC_L4MP) |
- CLKMGR_MAINPLLGRP_L4SRC_L4SP_SET(
- CONFIG_HPS_MAINPLLGRP_L4SRC_L4SP),
+ (CONFIG_HPS_MAINPLLGRP_MPUCLK_CNT <<
+ CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_MAINCLK_CNT <<
+ CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_DBGATCLK_CNT <<
+ CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_MAINQSPICLK_CNT <<
+ CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_MAINNANDSDMMCCLK_CNT <<
+ CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_CFGS2FUSER0CLK_CNT <<
+ CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_MAINDIV_L3MPCLK <<
+ CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET) |
+ (CONFIG_HPS_MAINPLLGRP_MAINDIV_L3SPCLK <<
+ CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET) |
+ (CONFIG_HPS_MAINPLLGRP_MAINDIV_L4MPCLK <<
+ CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET) |
+ (CONFIG_HPS_MAINPLLGRP_MAINDIV_L4SPCLK <<
+ CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGATCLK <<
+ CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET) |
+ (CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGCLK <<
+ CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_TRACEDIV_TRACECLK <<
+ CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET),
+ (CONFIG_HPS_MAINPLLGRP_L4SRC_L4MP <<
+ CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET) |
+ (CONFIG_HPS_MAINPLLGRP_L4SRC_L4SP <<
+ CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET),
/* peripheral group */
PERI_VCO_BASE,
- CLKMGR_PERPLLGRP_EMAC0CLK_CNT_SET(
- CONFIG_HPS_PERPLLGRP_EMAC0CLK_CNT),
- CLKMGR_PERPLLGRP_EMAC1CLK_CNT_SET(
- CONFIG_HPS_PERPLLGRP_EMAC1CLK_CNT),
- CLKMGR_PERPLLGRP_PERQSPICLK_CNT_SET(
- CONFIG_HPS_PERPLLGRP_PERQSPICLK_CNT),
- CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_SET(
- CONFIG_HPS_PERPLLGRP_PERNANDSDMMCCLK_CNT),
- CLKMGR_PERPLLGRP_PERBASECLK_CNT_SET(
- CONFIG_HPS_PERPLLGRP_PERBASECLK_CNT),
- CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_SET(
- CONFIG_HPS_PERPLLGRP_S2FUSER1CLK_CNT),
- CLKMGR_PERPLLGRP_DIV_USBCLK_SET(
- CONFIG_HPS_PERPLLGRP_DIV_USBCLK) |
- CLKMGR_PERPLLGRP_DIV_SPIMCLK_SET(
- CONFIG_HPS_PERPLLGRP_DIV_SPIMCLK) |
- CLKMGR_PERPLLGRP_DIV_CAN0CLK_SET(
- CONFIG_HPS_PERPLLGRP_DIV_CAN0CLK) |
- CLKMGR_PERPLLGRP_DIV_CAN1CLK_SET(
- CONFIG_HPS_PERPLLGRP_DIV_CAN1CLK),
- CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_SET(
- CONFIG_HPS_PERPLLGRP_GPIODIV_GPIODBCLK),
- CLKMGR_PERPLLGRP_SRC_QSPI_SET(
- CONFIG_HPS_PERPLLGRP_SRC_QSPI) |
- CLKMGR_PERPLLGRP_SRC_NAND_SET(
- CONFIG_HPS_PERPLLGRP_SRC_NAND) |
- CLKMGR_PERPLLGRP_SRC_SDMMC_SET(
- CONFIG_HPS_PERPLLGRP_SRC_SDMMC),
+ (CONFIG_HPS_PERPLLGRP_EMAC0CLK_CNT <<
+ CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_EMAC1CLK_CNT <<
+ CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_PERQSPICLK_CNT <<
+ CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_PERNANDSDMMCCLK_CNT <<
+ CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_PERBASECLK_CNT <<
+ CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_S2FUSER1CLK_CNT <<
+ CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_DIV_USBCLK <<
+ CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET) |
+ (CONFIG_HPS_PERPLLGRP_DIV_SPIMCLK <<
+ CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET) |
+ (CONFIG_HPS_PERPLLGRP_DIV_CAN0CLK <<
+ CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET) |
+ (CONFIG_HPS_PERPLLGRP_DIV_CAN1CLK <<
+ CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_GPIODIV_GPIODBCLK <<
+ CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET),
+ (CONFIG_HPS_PERPLLGRP_SRC_QSPI <<
+ CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET) |
+ (CONFIG_HPS_PERPLLGRP_SRC_NAND <<
+ CLKMGR_PERPLLGRP_SRC_NAND_OFFSET) |
+ (CONFIG_HPS_PERPLLGRP_SRC_SDMMC <<
+ CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET),
/* sdram pll group */
SDR_VCO_BASE,
- CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_SET(
- CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_PHASE) |
- CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_SET(
- CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_CNT),
- CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_SET(
- CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_PHASE) |
- CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_SET(
- CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_CNT),
- CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_SET(
- CONFIG_HPS_SDRPLLGRP_DDRDQCLK_PHASE) |
- CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_SET(
- CONFIG_HPS_SDRPLLGRP_DDRDQCLK_CNT),
- CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_SET(
- CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_PHASE) |
- CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_SET(
- CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_CNT),
+ (CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_PHASE <<
+ CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET) |
+ (CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_CNT <<
+ CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET),
+ (CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_PHASE <<
+ CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET) |
+ (CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_CNT <<
+ CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET),
+ (CONFIG_HPS_SDRPLLGRP_DDRDQCLK_PHASE <<
+ CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET) |
+ (CONFIG_HPS_SDRPLLGRP_DDRDQCLK_CNT <<
+ CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET),
+ (CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_PHASE <<
+ CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET) |
+ (CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_CNT <<
+ CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET),
+
};
debug("Freezing all I/O banks\n");
diff --git a/arch/arm/cpu/armv7/socfpga/system_manager.c b/arch/arm/cpu/armv7/socfpga/system_manager.c
index d96521b..11f7bad 100644
--- a/arch/arm/cpu/armv7/socfpga/system_manager.c
+++ b/arch/arm/cpu/armv7/socfpga/system_manager.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2013 Altera Corporation <www.altera.com>
+ * Copyright (C) 2013 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -7,21 +7,62 @@
#include <common.h>
#include <asm/io.h>
#include <asm/arch/system_manager.h>
+#include <asm/arch/fpga_manager.h>
DECLARE_GLOBAL_DATA_PTR;
+static struct socfpga_system_manager *sysmgr_regs =
+ (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
+
+/*
+ * Populate the value for SYSMGR.FPGAINTF.MODULE based on pinmux setting.
+ * The value is not wrote to SYSMGR.FPGAINTF.MODULE but
+ * CONFIG_SYSMGR_ISWGRP_HANDOFF.
+ */
+static void populate_sysmgr_fpgaintf_module(void)
+{
+ uint32_t handoff_val = 0;
+
+ /* ISWGRP_HANDOFF_FPGAINTF */
+ writel(0, &sysmgr_regs->iswgrp_handoff[2]);
+
+ /* Enable the signal for those HPS peripherals that use FPGA. */
+ if (readl(&sysmgr_regs->nandusefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_NAND;
+ if (readl(&sysmgr_regs->rgmii1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_EMAC1;
+ if (readl(&sysmgr_regs->sdmmcusefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_SDMMC;
+ if (readl(&sysmgr_regs->rgmii0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_EMAC0;
+ if (readl(&sysmgr_regs->spim0usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_SPIM0;
+ if (readl(&sysmgr_regs->spim1usefpga) == SYSMGR_FPGAINTF_USEFPGA)
+ handoff_val |= SYSMGR_FPGAINTF_SPIM1;
+
+ /* populate (not writing) the value for SYSMGR.FPGAINTF.MODULE
+ based on pinmux setting */
+ setbits_le32(&sysmgr_regs->iswgrp_handoff[2], handoff_val);
+
+ handoff_val = readl(&sysmgr_regs->iswgrp_handoff[2]);
+ if (fpgamgr_test_fpga_ready()) {
+ /* Enable the required signals only */
+ writel(handoff_val, &sysmgr_regs->fpgaintfgrp_module);
+ }
+}
+
/*
* Configure all the pin muxes
*/
void sysmgr_pinmux_init(void)
{
- unsigned long offset = CONFIG_SYSMGR_PINMUXGRP_OFFSET;
-
- const unsigned long *pval = sys_mgr_init_table;
- unsigned long i;
+ uint32_t regs = (uint32_t)&sysmgr_regs->emacio[0];
+ int i;
- for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table);
- i++, offset += sizeof(unsigned long)) {
- writel(*pval++, (SOCFPGA_SYSMGR_ADDRESS + offset));
+ for (i = 0; i < ARRAY_SIZE(sys_mgr_init_table); i++) {
+ writel(sys_mgr_init_table[i], regs);
+ regs += sizeof(regs);
}
+
+ populate_sysmgr_fpgaintf_module();
}
diff --git a/arch/arm/cpu/armv7/socfpga/timer.c b/arch/arm/cpu/armv7/socfpga/timer.c
index 58fc789..253cde3 100644
--- a/arch/arm/cpu/armv7/socfpga/timer.c
+++ b/arch/arm/cpu/armv7/socfpga/timer.c
@@ -8,6 +8,8 @@
#include <asm/io.h>
#include <asm/arch/timer.h>
+#define TIMER_LOAD_VAL 0xFFFFFFFF
+
static const struct socfpga_timer *timer_base = (void *)CONFIG_SYS_TIMERBASE;
/*