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-rw-r--r--arch/arm/cpu/armv7/at91/clock.c24
-rw-r--r--arch/arm/cpu/armv7/keystone/ddr3.c75
-rw-r--r--arch/arm/include/asm/arch-at91/at91_pmc.h6
-rw-r--r--arch/arm/include/asm/arch-at91/clk.h1
-rw-r--r--arch/arm/include/asm/arch-at91/sama5d3.h1
-rw-r--r--arch/arm/include/asm/arch-at91/sama5d3_smc.h3
-rw-r--r--arch/arm/include/asm/arch-keystone/ddr3.h1
-rw-r--r--arch/arm/include/asm/arch-keystone/hardware.h2
8 files changed, 107 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/at91/clock.c b/arch/arm/cpu/armv7/at91/clock.c
index 1588e0c8ea..36ed4a6394 100644
--- a/arch/arm/cpu/armv7/at91/clock.c
+++ b/arch/arm/cpu/armv7/at91/clock.c
@@ -114,9 +114,25 @@ int at91_clock_init(unsigned long main_clock)
void at91_periph_clk_enable(int id)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ u32 regval;
- if (id > 31)
- writel(1 << (id - 32), &pmc->pcer1);
- else
- writel(1 << id, &pmc->pcer);
+ if (id > AT91_PMC_PCR_PID_MASK)
+ return;
+
+ regval = AT91_PMC_PCR_EN | AT91_PMC_PCR_CMD_WRITE | id;
+
+ writel(regval, &pmc->pcr);
+}
+
+void at91_periph_clk_disable(int id)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ u32 regval;
+
+ if (id > AT91_PMC_PCR_PID_MASK)
+ return;
+
+ regval = AT91_PMC_PCR_CMD_WRITE | id;
+
+ writel(regval, &pmc->pcr);
}
diff --git a/arch/arm/cpu/armv7/keystone/ddr3.c b/arch/arm/cpu/armv7/keystone/ddr3.c
index 2391e794e8..2eabec10f9 100644
--- a/arch/arm/cpu/armv7/keystone/ddr3.c
+++ b/arch/arm/cpu/armv7/keystone/ddr3.c
@@ -10,6 +10,7 @@
#include <asm/io.h>
#include <common.h>
#include <asm/arch/ddr3.h>
+#include <asm/arch/psc_defs.h>
void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg)
{
@@ -86,3 +87,77 @@ void ddr3_reset_ddrphy(void)
tmp &= ~KS2_DDR3_PLLCTRL_PHY_RESET;
__raw_writel(tmp, KS2_DDR3APLLCTL1);
}
+
+#ifdef CONFIG_SOC_K2HK
+/**
+ * ddr3_reset_workaround - reset workaround in case if leveling error
+ * detected for PG 1.0 and 1.1 k2hk SoCs
+ */
+void ddr3_err_reset_workaround(void)
+{
+ unsigned int tmp;
+ unsigned int tmp_a;
+ unsigned int tmp_b;
+
+ /*
+ * Check for PGSR0 error bits of DDR3 PHY.
+ * Check for WLERR, QSGERR, WLAERR,
+ * RDERR, WDERR, REERR, WEERR error to see if they are set or not
+ */
+ tmp_a = __raw_readl(KS2_DDR3A_DDRPHYC + KS2_DDRPHY_PGSR0_OFFSET);
+ tmp_b = __raw_readl(KS2_DDR3B_DDRPHYC + KS2_DDRPHY_PGSR0_OFFSET);
+
+ if (((tmp_a & 0x0FE00000) != 0) || ((tmp_b & 0x0FE00000) != 0)) {
+ printf("DDR Leveling Error Detected!\n");
+ printf("DDR3A PGSR0 = 0x%x\n", tmp_a);
+ printf("DDR3B PGSR0 = 0x%x\n", tmp_b);
+
+ /*
+ * Write Keys to KICK registers to enable writes to registers
+ * in boot config space
+ */
+ __raw_writel(KS2_KICK0_MAGIC, KS2_KICK0);
+ __raw_writel(KS2_KICK1_MAGIC, KS2_KICK1);
+
+ /*
+ * Move DDR3A Module out of reset isolation by setting
+ * MDCTL23[12] = 0
+ */
+ tmp_a = __raw_readl(KS2_PSC_BASE +
+ PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3A));
+
+ tmp_a = PSC_REG_MDCTL_SET_RESET_ISO(tmp_a, 0);
+ __raw_writel(tmp_a, KS2_PSC_BASE +
+ PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3A));
+
+ /*
+ * Move DDR3B Module out of reset isolation by setting
+ * MDCTL24[12] = 0
+ */
+ tmp_b = __raw_readl(KS2_PSC_BASE +
+ PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3B));
+ tmp_b = PSC_REG_MDCTL_SET_RESET_ISO(tmp_b, 0);
+ __raw_writel(tmp_b, KS2_PSC_BASE +
+ PSC_REG_MDCTL(KS2_LPSC_EMIF4F_DDR3B));
+
+ /*
+ * Write 0x5A69 Key to RSTCTRL[15:0] to unlock writes
+ * to RSTCTRL and RSTCFG
+ */
+ tmp = __raw_readl(KS2_RSTCTRL);
+ tmp &= KS2_RSTCTRL_MASK;
+ tmp |= KS2_RSTCTRL_KEY;
+ __raw_writel(tmp, KS2_RSTCTRL);
+
+ /*
+ * Set PLL Controller to drive hard reset on SW trigger by
+ * setting RSTCFG[13] = 0
+ */
+ tmp = __raw_readl(KS2_RSTCTRL_RSCFG);
+ tmp &= ~KS2_RSTYPE_PLL_SOFT;
+ __raw_writel(tmp, KS2_RSTCTRL_RSCFG);
+
+ reset_cpu(0);
+ }
+}
+#endif
diff --git a/arch/arm/include/asm/arch-at91/at91_pmc.h b/arch/arm/include/asm/arch-at91/at91_pmc.h
index 04f6239fd0..27331ff2d1 100644
--- a/arch/arm/include/asm/arch-at91/at91_pmc.h
+++ b/arch/arm/include/asm/arch-at91/at91_pmc.h
@@ -54,7 +54,7 @@ typedef struct at91_pmc {
u32 reserved5[21];
u32 wpmr; /* 0xE4 Write Protect Mode Register (CAP0) */
u32 wpsr; /* 0xE8 Write Protect Status Register (CAP0) */
-#ifdef CONFIG_SAMA5D3
+#ifdef CPU_HAS_PCR
u32 reserved6[8];
u32 pcer1; /* 0x100 Periperial Clock Enable Register 1 */
u32 pcdr1; /* 0x104 Periperial Clock Disable Register 1 */
@@ -147,6 +147,10 @@ typedef struct at91_pmc {
#define AT91_PMC_IXR_PCKRDY3 0x00000800
#define AT91_PMC_IXR_MOSCSELS 0x00010000
+#define AT91_PMC_PCR_PID_MASK (0x3f)
+#define AT91_PMC_PCR_CMD_WRITE (0x1 << 12)
+#define AT91_PMC_PCR_EN (0x1 << 28)
+
#define AT91_PMC_PCK (1 << 0) /* Processor Clock */
#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */
#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
diff --git a/arch/arm/include/asm/arch-at91/clk.h b/arch/arm/include/asm/arch-at91/clk.h
index ce9e28f11c..4076a78a86 100644
--- a/arch/arm/include/asm/arch-at91/clk.h
+++ b/arch/arm/include/asm/arch-at91/clk.h
@@ -80,4 +80,5 @@ static inline unsigned long get_mci_clk_rate(void)
int at91_clock_init(unsigned long main_clock);
void at91_periph_clk_enable(int id);
+void at91_periph_clk_disable(int id);
#endif /* __ASM_ARM_ARCH_CLK_H__ */
diff --git a/arch/arm/include/asm/arch-at91/sama5d3.h b/arch/arm/include/asm/arch-at91/sama5d3.h
index 6d936f47fa..f7bc4ad338 100644
--- a/arch/arm/include/asm/arch-at91/sama5d3.h
+++ b/arch/arm/include/asm/arch-at91/sama5d3.h
@@ -188,6 +188,7 @@
#define ATMEL_PIO_PORTS 5
#define CPU_HAS_PIO3
#define PIO_SCDR_DIV 0x3fff
+#define CPU_HAS_PCR
/*
* PMECC table in ROM
diff --git a/arch/arm/include/asm/arch-at91/sama5d3_smc.h b/arch/arm/include/asm/arch-at91/sama5d3_smc.h
index 6caa9b6ed8..a859b6db9b 100644
--- a/arch/arm/include/asm/arch-at91/sama5d3_smc.h
+++ b/arch/arm/include/asm/arch-at91/sama5d3_smc.h
@@ -14,7 +14,8 @@
#define AT91_ASM_SMC_SETUP0 (ATMEL_BASE_SMC + 0x600)
#define AT91_ASM_SMC_PULSE0 (ATMEL_BASE_SMC + 0x604)
#define AT91_ASM_SMC_CYCLE0 (ATMEL_BASE_SMC + 0x608)
-#define AT91_ASM_SMC_MODE0 (ATMEL_BASE_SMC + 0x60C)
+#define AT91_ASM_SMC_TIMINGS0 (ATMEL_BASE_SMC + 0x60c)
+#define AT91_ASM_SMC_MODE0 (ATMEL_BASE_SMC + 0x610)
#else
struct at91_cs {
u32 setup; /* 0x600 SMC Setup Register */
diff --git a/arch/arm/include/asm/arch-keystone/ddr3.h b/arch/arm/include/asm/arch-keystone/ddr3.h
index 4d229a25fa..6bf35d3543 100644
--- a/arch/arm/include/asm/arch-keystone/ddr3.h
+++ b/arch/arm/include/asm/arch-keystone/ddr3.h
@@ -50,6 +50,7 @@ struct ddr3_emif_config {
void ddr3_init(void);
void ddr3_reset_ddrphy(void);
+void ddr3_err_reset_workaround(void);
void ddr3_init_ddrphy(u32 base, struct ddr3_phy_config *phy_cfg);
void ddr3_init_ddremif(u32 base, struct ddr3_emif_config *emif_cfg);
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h
index d6726a1eca..76e6441e57 100644
--- a/arch/arm/include/asm/arch-keystone/hardware.h
+++ b/arch/arm/include/asm/arch-keystone/hardware.h
@@ -121,9 +121,11 @@ typedef volatile unsigned int *dv_reg_p;
#define KS2_CLOCK_BASE KS2_PLL_CNTRL_BASE
#define KS2_RSTCTRL_RSTYPE (KS2_PLL_CNTRL_BASE + 0xe4)
#define KS2_RSTCTRL (KS2_PLL_CNTRL_BASE + 0xe8)
+#define KS2_RSTCTRL_RSCFG (KS2_PLL_CNTRL_BASE + 0xec)
#define KS2_RSTCTRL_KEY 0x5a69
#define KS2_RSTCTRL_MASK 0xffff0000
#define KS2_RSTCTRL_SWRST 0xfffe0000
+#define KS2_RSTYPE_PLL_SOFT BIT(13)
/* SPI */
#define KS2_SPI0_BASE 0x21000400
generated by cgit (git 2.34.1) at 2025-01-20 00:34:45 +0000