#include <common.h>
#include <div64.h>
#include <ipu.h>
+#include <fuse.h>
#include <asm/armv7.h>
#include <asm/bootm.h>
#include <asm/pl310.h>
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);
+ if (fuse_read(0, 3, &val)) {
+ printf("Failed to read speed_grade fuse\n");
+ return 0;
+ }
val >>= OCOTP_CFG3_SPEED_SHIFT;
val &= 0x3;
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);
+ if (fuse_read(1, 0, &val)) {
+ printf("Failed to read temp_grade fuse\n");
+ val = 0;
+ }
val >>= OCOTP_MEM0_TEMP_SHIFT;
val &= 0x3;
struct mx6_ocotp_regs *const ocotp_regs = (void *)OCOTP_BASE_ADDR;
if (!thermal_calib) {
- ocotp_clk_enable();
- 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();
+ if (fuse_read(1, 6, &thermal_calib) != 0) {
+ printf("Failed to read thermal calibration data\n");
+ thermal_calib = ~0;
+ }
}
if (thermal_calib == 0 || thermal_calib == 0xffffffff)
#if defined(CONFIG_FEC_MXC)
void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
{
- struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
- struct fuse_bank *bank = &ocotp->bank[4];
- struct fuse_bank4_regs *fuse =
- (struct fuse_bank4_regs *)bank->fuse_regs;
-
- u32 value = readl(&fuse->mac_addr_high);
- mac[0] = (value >> 8);
- mac[1] = value;
-
- value = readl(&fuse->mac_addr_low);
- mac[2] = value >> 24;
- mac[3] = value >> 16;
- mac[4] = value >> 8;
- mac[5] = value;
+ unsigned int mac0, mac1;
+
+ memset(mac, 0, 6);
+ if (dev_id < 0 || dev_id > 2)
+ return;
+
+ if (fuse_read(4, 2, &mac0)) {
+ printf("Failed to read MAC0 fuse\n");
+ return;
+ }
+ if (fuse_read(4, 3, &mac1)) {
+ printf("Failed to read MAC1 fuse\n");
+ return;
+ }
+ mac[0] = mac1 >> 8;
+ mac[1] = mac1;
+ mac[2] = mac0 >> 24;
+ mac[3] = mac0 >> 16;
+ if (dev_id == 0) {
+ mac[4] = mac0 >> 8;
+ mac[5] = mac0;
+ } else {
+ mac[4] = mac1 >> 24;
+ mac[5] = mac1 >> 16;
+ }
}
#endif