11 #include <linux/kernel.h>
12 #include <linux/module.h>
27 #define PORT_MUX BFIN_PORT_MUX
30 #define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)(addr))
31 #define d(name, bits, addr) _d(name, bits, addr, S_IRUSR|S_IWUSR)
32 #define d_RO(name, bits, addr) _d(name, bits, addr, S_IRUSR)
33 #define d_WO(name, bits, addr) _d(name, bits, addr, S_IWUSR)
35 #define D_RO(name, bits) d_RO(#name, bits, name)
36 #define D_WO(name, bits) d_WO(#name, bits, name)
37 #define D32(name) d(#name, 32, name)
38 #define D16(name) d(#name, 16, name)
40 #define REGS_OFF(peri, mmr) offsetof(struct bfin_##peri##_regs, mmr)
41 #define __REGS(peri, sname, rname) \
43 struct bfin_##peri##_regs r; \
44 void *addr = (void *)(base + REGS_OFF(peri, rname)); \
45 strcpy(_buf, sname); \
46 if (sizeof(r.rname) == 2) \
47 debugfs_create_x16(buf, S_IRUSR|S_IWUSR, parent, addr); \
49 debugfs_create_x32(buf, S_IRUSR|S_IWUSR, parent, addr); \
51 #define REGS_STR_PFX(buf, pfx, num) \
54 sprintf(buf, #pfx "%i_", num) : \
55 sprintf(buf, #pfx "_")); \
57 #define REGS_STR_PFX_C(buf, pfx, num) \
60 sprintf(buf, #pfx "%c_", 'A' + num) : \
61 sprintf(buf, #pfx "_")); \
69 static int debug_cclk_get(
void *
data,
u64 *
val)
76 static int debug_sclk_get(
void *
data,
u64 *
val)
83 #define DEFINE_SYSREG(sr, pre, post) \
84 static int sysreg_##sr##_get(void *data, u64 *val) \
88 __asm__ __volatile__("%0 = " #sr ";" : "=d"(tmp)); \
92 static int sysreg_##sr##_set(void *data, u64 val) \
94 unsigned long tmp = val; \
95 __asm__ __volatile__(#sr " = %0;" : : "d"(tmp)); \
99 DEFINE_SIMPLE_ATTRIBUTE(fops_sysreg_##sr, sysreg_##sr##_get, sysreg_##sr##_set, "0x%08llx\n")
106 #define D_SYSREG(sr) debugfs_create_file(#sr, S_IRUSR|S_IWUSR, parent, NULL, &fops_sysreg_##sr)
112 #define CAN_OFF(mmr) REGS_OFF(can, mmr)
113 #define __CAN(uname, lname) __REGS(can, #uname, lname)
115 bfin_debug_mmrs_can(
struct dentry *
parent,
unsigned long base,
int num)
172 __CAN(VERSION2, version2);
174 for (i = 0; i < 32; ++
i) {
182 for (j = 0; j < 3; ++
j) {
183 sprintf(_buf,
"MB%02i_DATA%i", i, j);
187 sprintf(_buf,
"MB%02i_LENGTH", i);
190 sprintf(_buf,
"MB%02i_TIMESTAMP", i);
193 sprintf(_buf,
"MB%02i_ID0", i);
196 sprintf(_buf,
"MB%02i_ID1", i);
201 #define CAN(num) bfin_debug_mmrs_can(parent, CAN##num##_MC1, num)
206 #define __DMA(uname, lname) __REGS(dma, #uname, lname)
208 bfin_debug_mmrs_dma(
struct dentry *parent,
unsigned long base,
int num,
char mdma,
const char *pfx)
213 _buf = buf +
sprintf(buf,
"%s_%c%i_", pfx, mdma, num);
215 _buf = buf +
sprintf(buf,
"%s%i_", pfx, num);
217 __DMA(NEXT_DESC_PTR, next_desc_ptr);
224 __DMA(CURR_DESC_PTR, curr_desc_ptr);
225 __DMA(CURR_ADDR, curr_addr);
228 if (
strcmp(pfx,
"IMDMA") != 0)
229 __DMA(PERIPHERAL_MAP, peripheral_map);
231 __DMA(CURR_X_COUNT, curr_x_count);
232 __DMA(CURR_Y_COUNT, curr_y_count);
234 #define _DMA(num, base, mdma, pfx) bfin_debug_mmrs_dma(parent, base, num, mdma, pfx "DMA")
235 #define DMA(num) _DMA(num, DMA##num##_NEXT_DESC_PTR, 0, "")
236 #define _MDMA(num, x) \
238 _DMA(num, x##DMA_D##num##_NEXT_DESC_PTR, 'D', #x); \
239 _DMA(num, x##DMA_S##num##_NEXT_DESC_PTR, 'S', #x); \
241 #define MDMA(num) _MDMA(num, M)
242 #define IMDMA(num) _MDMA(num, IM)
247 #define __EPPI(uname, lname) __REGS(eppi, #uname, lname)
249 bfin_debug_mmrs_eppi(
struct dentry *parent,
unsigned long base,
int num)
261 __EPPI(FS1W_HBL, fs1w_hbl);
262 __EPPI(FS1P_AVPL, fs1p_avpl);
263 __EPPI(FS2W_LVB, fs2w_lvb);
264 __EPPI(FS2P_LAVF, fs2p_lavf);
267 #define EPPI(num) bfin_debug_mmrs_eppi(parent, EPPI##num##_STATUS, num)
272 #define __GPTIMER(uname, lname) __REGS(gptimer, #uname, lname)
274 bfin_debug_mmrs_gptimer(
struct dentry *parent,
unsigned long base,
int num)
282 #define GPTIMER(num) bfin_debug_mmrs_gptimer(parent, TIMER##num##_CONFIG, num)
284 #define GPTIMER_GROUP_OFF(mmr) REGS_OFF(gptimer_group, mmr)
285 #define __GPTIMER_GROUP(uname, lname) __REGS(gptimer_group, #uname, lname)
287 bfin_debug_mmrs_gptimer_group(
struct dentry *parent,
unsigned long base,
int num)
292 _buf = buf +
sprintf(buf,
"TIMER_");
298 _buf = buf +
sprintf(buf,
"TIMER_ENABLE%i", num);
301 _buf = buf +
sprintf(buf,
"TIMER_DISABLE%i", num);
304 _buf = buf +
sprintf(buf,
"TIMER_STATUS%i", num);
308 #define GPTIMER_GROUP(mmr, num) bfin_debug_mmrs_gptimer_group(parent, mmr, num)
313 #define __HMDMA(uname, lname) __REGS(hmdma, #uname, lname)
315 bfin_debug_mmrs_hmdma(
struct dentry *parent,
unsigned long base,
int num)
322 __HMDMA(ECOVERFLOW, ecoverflow);
326 #define HMDMA(num) bfin_debug_mmrs_hmdma(parent, HMDMA##num##_CONTROL, num)
331 #ifdef PINT0_MASK_SET
332 #define __PINT(uname, lname) __REGS(pint, #uname, lname)
334 bfin_debug_mmrs_pint(
struct dentry *parent,
unsigned long base,
int num)
338 __PINT(MASK_CLEAR, mask_clear);
341 __PINT(EDGE_SET, edge_set);
342 __PINT(EDGE_CLEAR, edge_clear);
343 __PINT(INVERT_SET, invert_set);
344 __PINT(INVERT_CLEAR, invert_clear);
345 __PINT(PINSTATE, pinstate);
346 __PINT(
LATCH, latch);
348 #define PINT(num) bfin_debug_mmrs_pint(parent, PINT##num##_MASK_SET, num)
354 #define bfin_gpio_regs gpio_port_t
355 #define __PORT(uname, lname) __REGS(gpio, #uname, lname)
357 bfin_debug_mmrs_port(
struct dentry *parent,
unsigned long base,
int num)
366 __PORT(DIR_CLEAR, dir_clear);
370 _buf = buf +
sprintf(buf,
"PORT%cIO_", num);
375 __PORT(MASKA_CLEAR, maska_clear);
376 __PORT(MASKA_SET, maska_set);
377 __PORT(MASKA_TOGGLE, maska_toggle);
379 __PORT(MASKB_CLEAR, maskb_clear);
380 __PORT(MASKB_SET, maskb_set);
381 __PORT(MASKB_TOGGLE, maskb_toggle);
391 #define PORT(base, num) bfin_debug_mmrs_port(parent, base, num)
396 #define __PPI(uname, lname) __REGS(ppi, #uname, lname)
398 bfin_debug_mmrs_ppi(
struct dentry *parent,
unsigned long base,
int num)
407 #define PPI(num) bfin_debug_mmrs_ppi(parent, PPI##num##_CONTROL, num)
412 #define __SPI(uname, lname) __REGS(spi, #uname, lname)
414 bfin_debug_mmrs_spi(
struct dentry *parent,
unsigned long base,
int num)
425 #define SPI(num) bfin_debug_mmrs_spi(parent, SPI##num##_REGBASE, num)
430 static inline int sport_width(
void *mmr)
432 unsigned long lmmr = (
unsigned long)mmr;
433 if ((lmmr & 0xff) == 0x10)
442 static int sport_set(
void *mmr,
u64 val)
446 if (sport_width(mmr) <= 16)
453 static int sport_get(
void *mmr,
u64 *val)
457 if (sport_width(mmr) <= 16)
467 #define SPORT_OFF(mmr) (SPORT0_##mmr - SPORT0_TCR1)
468 #define _D_SPORT(name, perms, fops) \
470 strcpy(_buf, #name); \
471 debugfs_create_file(buf, perms, parent, (void *)(base + SPORT_OFF(name)), fops); \
473 #define __SPORT_RW(name) _D_SPORT(name, S_IRUSR|S_IWUSR, &fops_sport)
474 #define __SPORT_RO(name) _D_SPORT(name, S_IRUSR, &fops_sport_ro)
475 #define __SPORT_WO(name) _D_SPORT(name, S_IWUSR, &fops_sport_wo)
476 #define __SPORT(name, bits) \
478 strcpy(_buf, #name); \
479 debugfs_create_x##bits(buf, S_IRUSR|S_IWUSR, parent, (u##bits *)(base + SPORT_OFF(name))); \
482 bfin_debug_mmrs_sport(
struct dentry *parent,
unsigned long base,
int num)
508 #define SPORT(num) bfin_debug_mmrs_sport(parent, SPORT##num##_TCR1, num)
513 #define __TWI(uname, lname) __REGS(twi, #uname, lname)
515 bfin_debug_mmrs_twi(
struct dentry *parent,
unsigned long base,
int num)
520 __TWI(SLAVE_CTL, slave_ctl);
521 __TWI(SLAVE_STAT, slave_stat);
523 __TWI(MASTER_CTL, master_ctl);
524 __TWI(MASTER_STAT, master_stat);
525 __TWI(MASTER_ADDR, master_addr);
530 __TWI(XMT_DATA8, xmt_data8);
531 __TWI(XMT_DATA16, xmt_data16);
532 __TWI(RCV_DATA8, rcv_data8);
533 __TWI(RCV_DATA16, rcv_data16);
535 #define TWI(num) bfin_debug_mmrs_twi(parent, TWI##num##_CLKDIV, num)
540 #define __UART(uname, lname) __REGS(uart, #uname, lname)
542 bfin_debug_mmrs_uart(
struct dentry *parent,
unsigned long base,
int num)
545 #ifdef BFIN_UART_BF54X_STYLE
555 __UART(IER_CLEAR, ier_clear);
573 #define UART(num) bfin_debug_mmrs_uart(parent, UART##num##_DLL, num)
578 static struct dentry *debug_mmrs_dentry;
580 static int __init bfin_debug_mmrs_init(
void)
584 pr_info(
"debug-mmrs: setting up Blackfin MMR debugfs\n");
777 #if defined(CAN_MC1) || defined(CAN0_MC1) || defined(CAN1_MC1)
780 bfin_debug_mmrs_can(parent,
CAN_MC1, -1);
821 # define DMA0_NEXT_DESC_PTR DMA2_0_NEXT_DESC_PTR
822 # define DMA1_NEXT_DESC_PTR DMA2_1_NEXT_DESC_PTR
823 # define DMA2_NEXT_DESC_PTR DMA2_2_NEXT_DESC_PTR
824 # define DMA3_NEXT_DESC_PTR DMA2_3_NEXT_DESC_PTR
825 # define DMA4_NEXT_DESC_PTR DMA2_4_NEXT_DESC_PTR
826 # define DMA5_NEXT_DESC_PTR DMA2_5_NEXT_DESC_PTR
827 # define DMA6_NEXT_DESC_PTR DMA2_6_NEXT_DESC_PTR
828 # define DMA7_NEXT_DESC_PTR DMA2_7_NEXT_DESC_PTR
829 # define DMA8_NEXT_DESC_PTR DMA2_8_NEXT_DESC_PTR
830 # define DMA9_NEXT_DESC_PTR DMA2_9_NEXT_DESC_PTR
831 # define DMA10_NEXT_DESC_PTR DMA2_10_NEXT_DESC_PTR
832 # define DMA11_NEXT_DESC_PTR DMA2_11_NEXT_DESC_PTR
833 # define DMA12_NEXT_DESC_PTR DMA1_0_NEXT_DESC_PTR
834 # define DMA13_NEXT_DESC_PTR DMA1_1_NEXT_DESC_PTR
835 # define DMA14_NEXT_DESC_PTR DMA1_2_NEXT_DESC_PTR
836 # define DMA15_NEXT_DESC_PTR DMA1_3_NEXT_DESC_PTR
837 # define DMA16_NEXT_DESC_PTR DMA1_4_NEXT_DESC_PTR
838 # define DMA17_NEXT_DESC_PTR DMA1_5_NEXT_DESC_PTR
839 # define DMA18_NEXT_DESC_PTR DMA1_6_NEXT_DESC_PTR
840 # define DMA19_NEXT_DESC_PTR DMA1_7_NEXT_DESC_PTR
841 # define DMA20_NEXT_DESC_PTR DMA1_8_NEXT_DESC_PTR
842 # define DMA21_NEXT_DESC_PTR DMA1_9_NEXT_DESC_PTR
843 # define DMA22_NEXT_DESC_PTR DMA1_10_NEXT_DESC_PTR
844 # define DMA23_NEXT_DESC_PTR DMA1_11_NEXT_DESC_PTR
856 #ifdef DMA8_NEXT_DESC_PTR
862 #ifdef DMA12_NEXT_DESC_PTR
872 #ifdef DMA20_NEXT_DESC_PTR
892 # ifdef __ADSPBF561__
1020 # ifdef EMAC_PTP_ACCR
1047 #if defined(EPPI0_STATUS) || defined(EPPI1_STATUS) || defined(EPPI2_STATUS)
1049 # ifdef EPPI0_STATUS
1052 # ifdef EPPI1_STATUS
1055 # ifdef EPPI2_STATUS
1064 #ifdef TIMER_ENABLE0
1067 #ifdef TIMER_ENABLE1
1071 #ifdef TMRS4_DISABLE
1078 #ifdef TIMER3_CONFIG
1085 #ifdef TIMER8_CONFIG
1090 #ifdef TIMER11_CONFIG
1094 #ifdef HMDMA0_CONTROL
1107 #ifdef IMDMA_S0_CONFIG
1126 #ifdef MDMA_D2_CONFIG
1134 # ifdef MXVR_PLL_CTL_0
1246 # ifdef MXVR_PLL_CTL_1
1250 # ifdef MXVR_CLK_CTL
1253 # ifdef MXVR_CDRPLL_CTL
1256 # ifdef MXVR_FMPLL_CTL
1259 # ifdef MXVR_PIN_CTL
1262 # ifdef MXVR_SCLK_CNT
1299 #ifdef PINT0_MASK_SET
1338 #if defined(PPI_CONTROL) || defined(PPI0_CONTROL) || defined(PPI1_CONTROL)
1343 # ifdef PPI0_CONTROL
1346 # ifdef PPI1_CONTROL
1451 #ifdef SECURE_CONTROL
1545 #if defined(TWI_CLKDIV) || defined(TWI0_CLKDIV) || defined(TWI1_CLKDIV)
1548 bfin_debug_mmrs_twi(parent, TWI_CLKDIV, -1);
1559 #ifdef BFIN_UART_DLL
1766 #define PORTFIO FIO_FLAG_D
1770 #define PORTFIO FIO0_FLAG_D
1773 #define PORTGIO FIO1_FLAG_D
1776 #define PORTHIO FIO2_FLAG_D
1789 #ifdef __ADSPBF51x__
1809 #ifdef __ADSPBF52x__
1866 #ifdef __ADSPBF54x__
1872 for (num = 0; num < 10; ++num) {
1880 debug_mmrs_dentry =
top;
1886 static void __exit bfin_debug_mmrs_exit(
void)