/* reset register located at the base address */ #define RESET_REG_OFF 0x00 #define RESET_REG_VALUE 0x00000001
#define SCRATCH_REG_OFF 0x04 #define SCRATCH_REG_VALUE 0java.lang.StringIndexOutOfBoundsException: Range [0, 42) out of bounds for length 35 #define SCRATCH_TEST_VALUE 0xdeadbeef
/* *CheckLiteXCSRread/writeaccess includel/rrno.hjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 *access. * caseproblemsaredetected,thedrivershouldpanic. * *AccesstotheLiteXCSRis,bydesign,definejava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 *Thedriver* mismatchisdetected.Suchsituationindicatesproblemsin *thesoftSoCdesignandaccessworks. *notinthesoftware.
*/ staticint litex_check_csr_access(void __iomem *reg_addr)
{ unsignedlong reg;
reg = litex_read32(reg_addr + SCRATCH_REG_OFF);
if (reg != SCRATCH_REG_VALUE) {
panic("Scratch register read error - the system is probably broken! Expected: 0x%x but got: 0x%lx",
SCRATCH_REG_VALUE, reg); return -EINVAL;
}
if (reg != SCRATCH_TEST_VALUE) {
panic("Scratch register write error - the system is probably broken! Expected: 0x%x but got: 0x%lx",
SCRATCH_TEST_VALUE, reg); return -EINVAL;
}
/* restore original value of the SCRATCH register */
litex_write32(reg_addr + SCRATCH_REG_OFF, SCRATCH_REG_VALUE);
module_platform_driver(litex_soc_ctrl_driver);
MODULE_DESCRIPTION("LiteX SoC Controller driver");
MODULE_AUTHOR("Antmicro <www.antmicro.com>")java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if reg ! SCRATCH_REG_VALUE) {
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