diff options
Diffstat (limited to 'src/northbridge/intel/E7525/raminit_test.c')
-rw-r--r-- | src/northbridge/intel/E7525/raminit_test.c | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/src/northbridge/intel/E7525/raminit_test.c b/src/northbridge/intel/E7525/raminit_test.c new file mode 100644 index 0000000000..2d44d25403 --- /dev/null +++ b/src/northbridge/intel/E7525/raminit_test.c @@ -0,0 +1,393 @@ +#include <unistd.h> +#include <limits.h> +#include <stdint.h> +#include <string.h> +#include <setjmp.h> +#include <device/pci_def.h> +#include "e7525.h" + +jmp_buf end_buf; + +static int is_cpu_pre_c0(void) +{ + return 0; +} + +#define PCI_ADDR(BUS, DEV, FN, WHERE) ( \ + (((BUS) & 0xFF) << 16) | \ + (((DEV) & 0x1f) << 11) | \ + (((FN) & 0x07) << 8) | \ + ((WHERE) & 0xFF)) + +#define PCI_DEV(BUS, DEV, FN) ( \ + (((BUS) & 0xFF) << 16) | \ + (((DEV) & 0x1f) << 11) | \ + (((FN) & 0x7) << 8)) + +#define PCI_ID(VENDOR_ID, DEVICE_ID) \ + ((((DEVICE_ID) & 0xFFFF) << 16) | ((VENDOR_ID) & 0xFFFF)) + +typedef unsigned device_t; + +unsigned char pci_register[256*5*3*256]; + +static uint8_t pci_read_config8(device_t dev, unsigned where) +{ + unsigned addr; + addr = dev | where; + return pci_register[addr]; +} + +static uint16_t pci_read_config16(device_t dev, unsigned where) +{ + unsigned addr; + addr = dev | where; + return pci_register[addr] | (pci_register[addr + 1] << 8); +} + +static uint32_t pci_read_config32(device_t dev, unsigned where) +{ + unsigned addr; + uint32_t value; + addr = dev | where; + value = pci_register[addr] | + (pci_register[addr + 1] << 8) | + (pci_register[addr + 2] << 16) | + (pci_register[addr + 3] << 24); + + return value; + +} + +static void pci_write_config8(device_t dev, unsigned where, uint8_t value) +{ + unsigned addr; + addr = dev | where; + pci_register[addr] = value; +} + +static void pci_write_config16(device_t dev, unsigned where, uint16_t value) +{ + unsigned addr; + addr = dev | where; + pci_register[addr] = value & 0xff; + pci_register[addr + 1] = (value >> 8) & 0xff; +} + +static void pci_write_config32(device_t dev, unsigned where, uint32_t value) +{ + unsigned addr; + addr = dev | where; + pci_register[addr] = value & 0xff; + pci_register[addr + 1] = (value >> 8) & 0xff; + pci_register[addr + 2] = (value >> 16) & 0xff; + pci_register[addr + 3] = (value >> 24) & 0xff; +} + +#define PCI_DEV_INVALID (0xffffffffU) +static device_t pci_locate_device(unsigned pci_id, device_t dev) +{ + for(; dev <= PCI_DEV(255, 31, 7); dev += PCI_DEV(0,0,1)) { + unsigned int id; + id = pci_read_config32(dev, 0); + if (id == pci_id) { + return dev; + } + } + return PCI_DEV_INVALID; +} + + + + +static void uart_tx_byte(unsigned char data) +{ + write(STDOUT_FILENO, &data, 1); +} +static void hlt(void) +{ + longjmp(end_buf, 2); +} +#include "../../../arch/i386/lib/console.c" + +unsigned long log2(unsigned long x) +{ + // assume 8 bits per byte. + unsigned long i = 1 << (sizeof(x)*8 - 1); + unsigned long pow = sizeof(x) * 8 - 1; + + if (! x) { + static const char errmsg[] = " called with invalid parameter of 0\n"; + write(STDERR_FILENO, __func__, sizeof(__func__) - 1); + write(STDERR_FILENO, errmsg, sizeof(errmsg) - 1); + hlt(); + } + for(; i > x; i >>= 1, pow--) + ; + + return pow; +} + +typedef struct msr_struct +{ + unsigned lo; + unsigned hi; +} msr_t; + +static inline msr_t rdmsr(unsigned index) +{ + msr_t result; + result.lo = 0; + result.hi = 0; + return result; +} + +static inline void wrmsr(unsigned index, msr_t msr) +{ +} + +#include "raminit.h" + +#define SIO_BASE 0x2e + +static void hard_reset(void) +{ + /* FIXME implement the hard reset case... */ + longjmp(end_buf, 3); +} + +static void memreset_setup(void) +{ + /* Nothing to do */ +} + +static void memreset(int controllers, const struct mem_controller *ctrl) +{ + /* Nothing to do */ +} + +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ + /* nothing to do */ +} + + +static uint8_t spd_mt4lsdt464a[256] = +{ + 0x80, 0x08, 0x04, 0x0C, 0x08, 0x01, 0x40, 0x00, 0x01, 0x70, + 0x54, 0x00, 0x80, 0x10, 0x00, 0x01, 0x8F, 0x04, 0x06, 0x01, + 0x01, 0x00, 0x0E, 0x75, 0x54, 0x00, 0x00, 0x0F, 0x0E, 0x0F, + + 0x25, 0x08, 0x15, 0x08, 0x15, 0x08, 0x00, 0x12, 0x01, 0x4E, + 0x9C, 0xE4, 0xB7, 0x46, 0x2C, 0xFF, 0x01, 0x02, 0x03, 0x04, + 0x05, 0x06, 0x07, 0x08, 0x09, 0x01, 0x02, 0x03, 0x04, 0x05, + 0x06, 0x07, 0x08, 0x09, 0x00, +}; + +static uint8_t spd_micron_512MB_DDR333[256] = +{ + 0x80, 0x08, 0x07, 0x0d, 0x0b, 0x02, 0x48, 0x00, 0x04, 0x60, + 0x70, 0x02, 0x82, 0x04, 0x04, 0x01, 0x0e, 0x04, 0x0c, 0x01, + 0x02, 0x26, 0xc0, 0x75, 0x70, 0x00, 0x00, 0x48, 0x30, 0x48, + 0x2a, 0x80, 0x80, 0x80, 0x45, 0x45, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x3c, 0x48, 0x30, 0x28, 0x50, 0x00, 0x01, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x10, 0x6f, 0x2c, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x01, 0x33, 0x36, 0x56, 0x44, 0x44, 0x46, 0x31, + 0x32, 0x38, 0x37, 0x32, 0x47, 0x2d, 0x33, 0x33, 0x35, 0x43, + 0x33, 0x03, 0x00, 0x03, 0x23, 0x17, 0x07, 0x5a, 0xb2, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff +}; + +static uint8_t spd_micron_256MB_DDR333[256] = +{ + 0x80, 0x08, 0x07, 0x0d, 0x0b, 0x01, 0x48, 0x00, 0x04, 0x60, + 0x70, 0x02, 0x82, 0x04, 0x04, 0x01, 0x0e, 0x04, 0x0c, 0x01, + 0x02, 0x26, 0xc0, 0x75, 0x70, 0x00, 0x00, 0x48, 0x30, 0x48, + 0x2a, 0x80, 0x80, 0x80, 0x45, 0x45, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x3c, 0x48, 0x30, 0x23, 0x50, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x58, 0x2c, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x01, 0x31, 0x38, 0x56, 0x44, 0x44, 0x46, 0x36, + 0x34, 0x37, 0x32, 0x47, 0x2d, 0x33, 0x33, 0x35, 0x43, 0x31, + 0x20, 0x01, 0x00, 0x03, 0x19, 0x17, 0x05, 0xb2, 0xf4, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, +}; + +#define MAX_DIMMS 16 +static uint8_t spd_data[MAX_DIMMS*256]; + +static unsigned spd_count, spd_fail_count; +static int spd_read_byte(unsigned device, unsigned address) +{ + int result; + spd_count++; + if ((device < 0x50) || (device >= (0x50 +MAX_DIMMS))) { + result = -1; + } + else { + device -= 0x50; + + if (address > 256) { + result = -1; + } + else if (spd_data[(device << 8) | 2] != 7) { + result = -1; + } + else { + result = spd_data[(device << 8) | address]; + } + } + if (spd_count >= spd_fail_count) { + result = -1; + } + return result; +} + +#include "raminit.c" +#include "../../../sdram/generic_sdram.c" + +#define FIRST_CPU 1 +#define SECOND_CPU 1 +#define TOTAL_CPUS (FIRST_CPU + SECOND_CPU) +#if 0 +static void raminit_main(void) +{ + /* + * GPIO28 of 8111 will control H0_MEMRESET_L + * GPIO29 of 8111 will control H1_MEMRESET_L + */ + static const struct mem_controller cpu[] = { +#if FIRST_CPU + { + .node_id = 0, + .f0 = PCI_DEV(0, 0x18, 0), + .f1 = PCI_DEV(0, 0x18, 1), + .f2 = PCI_DEV(0, 0x18, 2), + .f3 = PCI_DEV(0, 0x18, 3), + .channel0 = { 0x50+0, 0x50+2, 0x50+4, 0x50+6 }, + .channel1 = { 0x50+1, 0x50+3, 0x50+5, 0x50+7 }, + }, +#endif +#if SECOND_CPU + { + .node_id = 1, + .f0 = PCI_DEV(0, 0x19, 0), + .f1 = PCI_DEV(0, 0x19, 1), + .f2 = PCI_DEV(0, 0x19, 2), + .f3 = PCI_DEV(0, 0x19, 3), + .channel0 = { 0x50+8, 0x50+10, 0x50+12, 0x50+14 }, + .channel1 = { 0x50+9, 0x50+11, 0x50+13, 0x50+15 }, + }, +#endif + }; + console_init(); + memreset_setup(); + sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); + +} +#endif +static void reset_tests(void) +{ + /* Clear the results of any previous tests */ + memset(pci_register, 0, sizeof(pci_register)); + memset(spd_data, 0, sizeof(spd_data)); + spd_count = 0; + spd_fail_count = UINT_MAX; + + pci_write_config32(PCI_DEV(0, 0x18, 3), NORTHBRIDGE_CAP, + NBCAP_128Bit | + NBCAP_MP| NBCAP_BIG_MP | + /* NBCAP_ECC | NBCAP_CHIPKILL_ECC | */ + (NBCAP_MEMCLK_200MHZ << NBCAP_MEMCLK_SHIFT) | + NBCAP_MEMCTRL); + + pci_write_config32(PCI_DEV(0, 0x19, 3), NORTHBRIDGE_CAP, + NBCAP_128Bit | + NBCAP_MP| NBCAP_BIG_MP | + /* NBCAP_ECC | NBCAP_CHIPKILL_ECC | */ + (NBCAP_MEMCLK_200MHZ << NBCAP_MEMCLK_SHIFT) | + NBCAP_MEMCTRL); +} + +static void test1(void) +{ + reset_tests(); + + memcpy(&spd_data[0*256], spd_micron_512MB_DDR333, 256); + memcpy(&spd_data[1*256], spd_micron_512MB_DDR333, 256); +// raminit_main(); +} + + +static void do_test2(int i) +{ + jmp_buf tmp_buf; + memcpy(&tmp_buf, &end_buf, sizeof(end_buf)); + if (setjmp(end_buf) != 0) { + goto done; + } + reset_tests(); + spd_fail_count = i; + + print_debug("\r\nSPD will fail after: "); + print_debug_hex32(spd_fail_count); + print_debug(" accesses.\r\n"); + + memcpy(&spd_data[0*256], spd_micron_512MB_DDR333, 256); + memcpy(&spd_data[1*256], spd_micron_512MB_DDR333, 256); + +// raminit_main(); + + done: + memcpy(&end_buf, &tmp_buf, sizeof(end_buf)); +} + +static void test2(void) +{ + int i; + for(i = 0; i < 0x48; i++) { + do_test2(i); + } + +} + +int main(int argc, char **argv) +{ + if (setjmp(end_buf) != 0) { + return -1; + } + test1(); + test2(); + return 0; +} |