*/
#include <common.h>
-#include <stdbool.h>
-#include <dm.h>
#include <div64.h>
#include <ipu.h>
-#include <imx_thermal.h>
#include <asm/armv7.h>
#include <asm/bootm.h>
#include <asm/pl310.h>
#include <asm/errno.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/regs-ocotp.h>
#include <asm/arch/clock.h>
-#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/regs-ocotp.h>
#include <asm/arch/sys_proto.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/dma.h>
+#include <stdbool.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/crm_regs.h>
+#include <dm.h>
+#include <imx_thermal.h>
DECLARE_GLOBAL_DATA_PTR;
struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
u32 reg = readl(&anatop->digprog_sololite);
u32 type = ((reg >> 16) & 0xff);
+ u32 major, cfg = 0;
if (type != MXC_CPU_MX6SL) {
reg = readl(&anatop->digprog);
struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR;
- u32 cfg = readl(&scu->config) & 3;
+ cfg = readl(&scu->config) & 3;
type = ((reg >> 16) & 0xff);
if (type == MXC_CPU_MX6DL) {
if (!cfg)
}
}
+ major = ((reg >> 8) & 0xff);
+ if ((major >= 1) &&
+ ((type == MXC_CPU_MX6Q) || (type == MXC_CPU_MX6D))) {
+ major--;
+ type = MXC_CPU_MX6QP;
+ if (cfg == 1)
+ type = MXC_CPU_MX6DP;
+ }
reg &= 0xff; /* mx6 silicon revision */
- return (type << 12) | (reg + 0x10);
+ return (type << 12) | (reg + (0x10 * (major + 1)));
+}
+
+/*
+ * OCOTP_CFG3[17:16] (see Fusemap Description Table offset 0x440)
+ * defines a 2-bit SPEED_GRADING
+ */
+#define OCOTP_CFG3_SPEED_SHIFT 16
+#define OCOTP_CFG3_SPEED_800MHZ 0
+#define OCOTP_CFG3_SPEED_850MHZ 1
+#define OCOTP_CFG3_SPEED_1GHZ 2
+#define OCOTP_CFG3_SPEED_1P2GHZ 3
+
+u32 get_cpu_speed_grade_hz(void)
+{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[0];
+ struct fuse_bank0_regs *fuse =
+ (struct fuse_bank0_regs *)bank->fuse_regs;
+ uint32_t val;
+
+ val = readl(&fuse->cfg3);
+ val >>= OCOTP_CFG3_SPEED_SHIFT;
+ val &= 0x3;
+
+ switch (val) {
+ /* Valid for IMX6DQ */
+ case OCOTP_CFG3_SPEED_1P2GHZ:
+ if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
+ return 1200000000;
+ /* Valid for IMX6SX/IMX6SDL/IMX6DQ */
+ case OCOTP_CFG3_SPEED_1GHZ:
+ return 996000000;
+ /* Valid for IMX6DQ */
+ case OCOTP_CFG3_SPEED_850MHZ:
+ if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
+ return 852000000;
+ /* Valid for IMX6SX/IMX6SDL/IMX6DQ */
+ case OCOTP_CFG3_SPEED_800MHZ:
+ return 792000000;
+ }
+ return 0;
+}
+
+/*
+ * OCOTP_MEM0[7:6] (see Fusemap Description Table offset 0x480)
+ * defines a 2-bit Temperature Grade
+ *
+ * return temperature grade and min/max temperature in celcius
+ */
+#define OCOTP_MEM0_TEMP_SHIFT 6
+
+u32 get_cpu_temp_grade(int *minc, int *maxc)
+{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[1];
+ struct fuse_bank1_regs *fuse =
+ (struct fuse_bank1_regs *)bank->fuse_regs;
+ uint32_t val;
+
+ val = readl(&fuse->mem0);
+ val >>= OCOTP_MEM0_TEMP_SHIFT;
+ val &= 0x3;
+
+ if (minc && maxc) {
+ if (val == TEMP_AUTOMOTIVE) {
+ *minc = -40;
+ *maxc = 125;
+ } else if (val == TEMP_INDUSTRIAL) {
+ *minc = -40;
+ *maxc = 105;
+ } else if (val == TEMP_EXTCOMMERCIAL) {
+ *minc = -20;
+ *maxc = 105;
+ } else {
+ *minc = 0;
+ *maxc = 95;
+ }
+ }
+ return val;
}
#ifdef CONFIG_REVISION_TAG
struct mx6_ocotp_regs *const ocotp_regs = (void *)OCOTP_BASE_ADDR;
if (!thermal_calib) {
- ocotp_clk_enable();
+ enable_ocotp_clk(1);
writel(1, &ocotp_regs->hw_ocotp_read_ctrl);
thermal_calib = readl(&ocotp_regs->hw_ocotp_ana1);
writel(0, &ocotp_regs->hw_ocotp_read_ctrl);
- ocotp_clk_disable();
+ enable_ocotp_clk(0);
}
if (thermal_calib == 0 || thermal_calib == 0xffffffff)
{
struct wdog_regs *wdog1 = (struct wdog_regs *)WDOG1_BASE_ADDR;
struct wdog_regs *wdog2 = (struct wdog_regs *)WDOG2_BASE_ADDR;
-
-#ifdef CONFIG_MX6SX
struct wdog_regs *wdog3 = (struct wdog_regs *)WDOG3_BASE_ADDR;
- writew(enable, &wdog3->wmcr);
-#endif
+
+ if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL))
+ writew(enable, &wdog3->wmcr);
/* Write to the PDE (Power Down Enable) bit */
writew(enable, &wdog1->wmcr);
static void clear_mmdc_ch_mask(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ u32 reg;
+ reg = readl(&mxc_ccm->ccdr);
/* Clear MMDC channel mask */
- writel(0, &mxc_ccm->ccdr);
+ reg &= ~(MXC_CCM_CCDR_MMDC_CH1_HS_MASK | MXC_CCM_CCDR_MMDC_CH0_HS_MASK);
+ writel(reg, &mxc_ccm->ccdr);
}
static void init_bandgap(void)
}
#endif
+#define SRC_SCR_WARM_RESET_ENABLE 0
+
+static void init_src(void)
+{
+ struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+ u32 val;
+
+ /*
+ * force warm reset sources to generate cold reset
+ * for a more reliable restart
+ */
+ val = readl(&src_regs->scr);
+ val &= ~(1 << SRC_SCR_WARM_RESET_ENABLE);
+ writel(val, &src_regs->scr);
+}
+
int arch_cpu_init(void)
{
init_aips();
mxs_dma_init();
#endif
+ init_src();
+
return 0;
}
u32 mask528;
u32 reg, periph1, periph2;
- if (is_cpu_type(MXC_CPU_MX6SX))
+ if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL))
return;
/* Due to hardware limitation, on MX6Q we need to gate/ungate all PFDs
struct pl310_regs *const pl310 = (struct pl310_regs *)L2_PL310_BASE;
unsigned int val;
+
+ /*
+ * Set bit 22 in the auxiliary control register. If this bit
+ * is cleared, PL310 treats Normal Shared Non-cacheable
+ * accesses as Cacheable no-allocate.
+ */
+ setbits_le32(&pl310->pl310_aux_ctrl, L310_SHARED_ATT_OVERRIDE_ENABLE);
+
#if defined CONFIG_SOC_MX6SL
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
val = readl(&iomux->gpr[11]);
projects / karo-tx-uboot.git / blobdiff