X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fcommon%2Fpixis.c;h=7210512bfbcb686e369d3ba88b32f1291e118922;hb=84efbf4d144ff8aaed3cca036aebb1fe69eff3f4;hp=45dcf4dab03d425e9d867a6a1a7badef747d7237;hpb=db74b3c1c9481a6bffbf8cd445e5bcbf6908e836;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/freescale/common/pixis.c b/board/freescale/common/pixis.c index 45dcf4d..7210512 100644 --- a/board/freescale/common/pixis.c +++ b/board/freescale/common/pixis.c @@ -25,9 +25,9 @@ #include #include #include - -#ifdef CONFIG_FSL_PIXIS #include +#include + #include "pixis.h" @@ -39,7 +39,8 @@ static ulong strfractoint(uchar *strptr); */ void pixis_reset(void) { - out8(PIXIS_BASE + PIXIS_RST, 0); + u8 *pixis_base = (u8 *)PIXIS_BASE; + out_8(pixis_base + PIXIS_RST, 0); } @@ -49,6 +50,7 @@ void pixis_reset(void) int set_px_sysclk(ulong sysclk) { u8 sysclk_s, sysclk_r, sysclk_v, vclkh, vclkl, sysclk_aux; + u8 *pixis_base = (u8 *)PIXIS_BASE; switch (sysclk) { case 33: @@ -107,10 +109,10 @@ int set_px_sysclk(ulong sysclk) vclkh = (sysclk_s << 5) | sysclk_r; vclkl = sysclk_v; - out8(PIXIS_BASE + PIXIS_VCLKH, vclkh); - out8(PIXIS_BASE + PIXIS_VCLKL, vclkl); + out_8(pixis_base + PIXIS_VCLKH, vclkh); + out_8(pixis_base + PIXIS_VCLKL, vclkl); - out8(PIXIS_BASE + PIXIS_AUX, sysclk_aux); + out_8(pixis_base + PIXIS_AUX, sysclk_aux); return 1; } @@ -120,6 +122,7 @@ int set_px_mpxpll(ulong mpxpll) { u8 tmp; u8 val; + u8 *pixis_base = (u8 *)PIXIS_BASE; switch (mpxpll) { case 2: @@ -137,9 +140,9 @@ int set_px_mpxpll(ulong mpxpll) return 0; } - tmp = in8(PIXIS_BASE + PIXIS_VSPEED1); + tmp = in_8(pixis_base + PIXIS_VSPEED1); tmp = (tmp & 0xF0) | (val & 0x0F); - out8(PIXIS_BASE + PIXIS_VSPEED1, tmp); + out_8(pixis_base + PIXIS_VSPEED1, tmp); return 1; } @@ -149,6 +152,7 @@ int set_px_corepll(ulong corepll) { u8 tmp; u8 val; + u8 *pixis_base = (u8 *)PIXIS_BASE; switch ((int)corepll) { case 20: @@ -174,9 +178,9 @@ int set_px_corepll(ulong corepll) return 0; } - tmp = in8(PIXIS_BASE + PIXIS_VSPEED0); + tmp = in_8(pixis_base + PIXIS_VSPEED0); tmp = (tmp & 0xE0) | (val & 0x1F); - out8(PIXIS_BASE + PIXIS_VSPEED0, tmp); + out_8(pixis_base + PIXIS_VSPEED0, tmp); return 1; } @@ -184,69 +188,86 @@ int set_px_corepll(ulong corepll) void read_from_px_regs(int set) { - u8 mask = 0x1C; - u8 tmp = in8(PIXIS_BASE + PIXIS_VCFGEN0); + u8 *pixis_base = (u8 *)PIXIS_BASE; + u8 mask = 0x1C; /* COREPLL, MPXPLL, SYSCLK controlled by PIXIS */ + u8 tmp = in_8(pixis_base + PIXIS_VCFGEN0); if (set) tmp = tmp | mask; else tmp = tmp & ~mask; - out8(PIXIS_BASE + PIXIS_VCFGEN0, tmp); + out_8(pixis_base + PIXIS_VCFGEN0, tmp); } void read_from_px_regs_altbank(int set) { - u8 mask = 0x04; - u8 tmp = in8(PIXIS_BASE + PIXIS_VCFGEN1); + u8 *pixis_base = (u8 *)PIXIS_BASE; + u8 mask = 0x04; /* FLASHBANK and FLASHMAP controlled by PIXIS */ + u8 tmp = in_8(pixis_base + PIXIS_VCFGEN1); if (set) tmp = tmp | mask; else tmp = tmp & ~mask; - out8(PIXIS_BASE + PIXIS_VCFGEN1, tmp); + out_8(pixis_base + PIXIS_VCFGEN1, tmp); } -#ifndef CFG_PIXIS_VBOOT_MASK -#define CFG_PIXIS_VBOOT_MASK 0x40 +#ifndef CONFIG_SYS_PIXIS_VBOOT_MASK +#define CONFIG_SYS_PIXIS_VBOOT_MASK (0x40) #endif +void clear_altbank(void) +{ + u8 tmp; + u8 *pixis_base = (u8 *)PIXIS_BASE; + + tmp = in_8(pixis_base + PIXIS_VBOOT); + tmp &= ~CONFIG_SYS_PIXIS_VBOOT_MASK; + + out_8(pixis_base + PIXIS_VBOOT, tmp); +} + + void set_altbank(void) { u8 tmp; + u8 *pixis_base = (u8 *)PIXIS_BASE; - tmp = in8(PIXIS_BASE + PIXIS_VBOOT); - tmp ^= CFG_PIXIS_VBOOT_MASK; + tmp = in_8(pixis_base + PIXIS_VBOOT); + tmp |= CONFIG_SYS_PIXIS_VBOOT_MASK; - out8(PIXIS_BASE + PIXIS_VBOOT, tmp); + out_8(pixis_base + PIXIS_VBOOT, tmp); } void set_px_go(void) { u8 tmp; + u8 *pixis_base = (u8 *)PIXIS_BASE; - tmp = in8(PIXIS_BASE + PIXIS_VCTL); - tmp = tmp & 0x1E; - out8(PIXIS_BASE + PIXIS_VCTL, tmp); + tmp = in_8(pixis_base + PIXIS_VCTL); + tmp = tmp & 0x1E; /* clear GO bit */ + out_8(pixis_base + PIXIS_VCTL, tmp); - tmp = in8(PIXIS_BASE + PIXIS_VCTL); - tmp = tmp | 0x01; - out8(PIXIS_BASE + PIXIS_VCTL, tmp); + tmp = in_8(pixis_base + PIXIS_VCTL); + tmp = tmp | 0x01; /* set GO bit - start reset sequencer */ + out_8(pixis_base + PIXIS_VCTL, tmp); } void set_px_go_with_watchdog(void) { u8 tmp; + u8 *pixis_base = (u8 *)PIXIS_BASE; - tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = in_8(pixis_base + PIXIS_VCTL); tmp = tmp & 0x1E; - out8(PIXIS_BASE + PIXIS_VCTL, tmp); + out_8(pixis_base + PIXIS_VCTL, tmp); - tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = in_8(pixis_base + PIXIS_VCTL); tmp = tmp | 0x09; - out8(PIXIS_BASE + PIXIS_VCTL, tmp); + out_8(pixis_base + PIXIS_VCTL, tmp); } @@ -254,23 +275,95 @@ int pixis_disable_watchdog_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { u8 tmp; + u8 *pixis_base = (u8 *)PIXIS_BASE; - tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = in_8(pixis_base + PIXIS_VCTL); tmp = tmp & 0x1E; - out8(PIXIS_BASE + PIXIS_VCTL, tmp); + out_8(pixis_base + PIXIS_VCTL, tmp); /* setting VCTL[WDEN] to 0 to disable watch dog */ - tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = in_8(pixis_base + PIXIS_VCTL); tmp &= ~0x08; - out8(PIXIS_BASE + PIXIS_VCTL, tmp); + out_8(pixis_base + PIXIS_VCTL, tmp); return 0; } U_BOOT_CMD( - diswd, 1, 0, pixis_disable_watchdog_cmd, - "diswd - Disable watchdog timer \n", - NULL); + diswd, 1, 0, pixis_disable_watchdog_cmd, + "Disable watchdog timer", + "" +); + +#ifdef CONFIG_PIXIS_SGMII_CMD +int pixis_set_sgmii(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int which_tsec = -1; + u8 *pixis_base = (u8 *)PIXIS_BASE; + uchar mask; + uchar switch_mask; + + if (argc > 2) + if (strcmp(argv[1], "all") != 0) + which_tsec = simple_strtoul(argv[1], NULL, 0); + + switch (which_tsec) { +#ifdef CONFIG_TSEC1 + case 1: + mask = PIXIS_VSPEED2_TSEC1SER; + switch_mask = PIXIS_VCFGEN1_TSEC1SER; + break; +#endif +#ifdef CONFIG_TSEC2 + case 2: + mask = PIXIS_VSPEED2_TSEC2SER; + switch_mask = PIXIS_VCFGEN1_TSEC2SER; + break; +#endif +#ifdef CONFIG_TSEC3 + case 3: + mask = PIXIS_VSPEED2_TSEC3SER; + switch_mask = PIXIS_VCFGEN1_TSEC3SER; + break; +#endif +#ifdef CONFIG_TSEC4 + case 4: + mask = PIXIS_VSPEED2_TSEC4SER; + switch_mask = PIXIS_VCFGEN1_TSEC4SER; + break; +#endif + default: + mask = PIXIS_VSPEED2_MASK; + switch_mask = PIXIS_VCFGEN1_MASK; + break; + } + + /* Toggle whether the switches or FPGA control the settings */ + if (!strcmp(argv[argc - 1], "switch")) + clrbits_8(pixis_base + PIXIS_VCFGEN1, switch_mask); + else + setbits_8(pixis_base + PIXIS_VCFGEN1, switch_mask); + + /* If it's not the switches, enable or disable SGMII, as specified */ + if (!strcmp(argv[argc - 1], "on")) + clrbits_8(pixis_base + PIXIS_VSPEED2, mask); + else if (!strcmp(argv[argc - 1], "off")) + setbits_8(pixis_base + PIXIS_VSPEED2, mask); + + return 0; +} + +U_BOOT_CMD( + pixis_set_sgmii, CONFIG_SYS_MAXARGS, 1, pixis_set_sgmii, + "pixis_set_sgmii" + " - Enable or disable SGMII mode for a given TSEC \n", + "\npixis_set_sgmii [TSEC num] \n" + " TSEC num: 1,2,3,4 or 'all'. 'all' is default.\n" + " on - enables SGMII\n" + " off - disables SGMII\n" + " switch - use switch settings" +); +#endif /* * This function takes the non-integral cpu:mpx pll ratio @@ -293,7 +386,7 @@ static ulong strfractoint(uchar *strptr) * simply create the intarr. */ i = 0; - while (strptr[i] != 46) { + while (strptr[i] != '.') { if (strptr[i] == 0) { no_dec = 1; break; @@ -313,7 +406,7 @@ static ulong strfractoint(uchar *strptr) } else { j = 0; i++; /* Skipping the decimal point */ - while ((strptr[i] > 47) && (strptr[i] < 58)) { + while ((strptr[i] >= '0') && (strptr[i] <= '9')) { decarr[j] = strptr[i]; i++; j++; @@ -340,8 +433,14 @@ static ulong strfractoint(uchar *strptr) int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - ulong val; - ulong corepll; + unsigned int i; + char *p_cf = NULL; + char *p_cf_sysclk = NULL; + char *p_cf_corepll = NULL; + char *p_cf_mpxpll = NULL; + char *p_altbank = NULL; + char *p_wd = NULL; + unsigned int unknown_param = 0; /* * No args is a simple reset request. @@ -351,127 +450,111 @@ pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* not reached */ } - if (strcmp(argv[1], "cf") == 0) { + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "cf") == 0) { + p_cf = argv[i]; + if (i + 3 >= argc) { + break; + } + p_cf_sysclk = argv[i+1]; + p_cf_corepll = argv[i+2]; + p_cf_mpxpll = argv[i+3]; + i += 3; + continue; + } - /* - * Reset with frequency changed: - * cf - */ - if (argc < 5) { - puts(cmdtp->usage); - return 1; + if (strcmp(argv[i], "altbank") == 0) { + p_altbank = argv[i]; + continue; } - read_from_px_regs(0); - - val = set_px_sysclk(simple_strtoul(argv[2], NULL, 10)); - - corepll = strfractoint((uchar *)argv[3]); - val = val + set_px_corepll(corepll); - val = val + set_px_mpxpll(simple_strtoul(argv[4], NULL, 10)); - if (val == 3) { - puts("Setting registers VCFGEN0 and VCTL\n"); - read_from_px_regs(1); - puts("Resetting board with values from "); - puts("VSPEED0, VSPEED1, VCLKH, and VCLKL \n"); - set_px_go(); - } else { - puts(cmdtp->usage); - return 1; + if (strcmp(argv[i], "wd") == 0) { + p_wd = argv[i]; + continue; } - while (1) ; /* Not reached */ - - } else if (strcmp(argv[1], "altbank") == 0) { - - /* - * Reset using alternate flash bank: - */ - if (argv[2] == 0) { - /* - * Reset from alternate bank without changing - * frequency and without watchdog timer enabled. - * altbank - */ - read_from_px_regs(0); - read_from_px_regs_altbank(0); - if (argc > 2) { - puts(cmdtp->usage); - return 1; - } - puts("Setting registers VCFGNE1, VBOOT, and VCTL\n"); - set_altbank(); - read_from_px_regs_altbank(1); - puts("Resetting board to boot from the other bank.\n"); - set_px_go(); - - } else if (strcmp(argv[2], "cf") == 0) { - /* - * Reset with frequency changed - * altbank cf - * - */ - read_from_px_regs(0); - read_from_px_regs_altbank(0); - val = set_px_sysclk(simple_strtoul(argv[3], NULL, 10)); - corepll = strfractoint((uchar *)argv[4]); - val = val + set_px_corepll(corepll); - val = val + set_px_mpxpll(simple_strtoul(argv[5], - NULL, 10)); - if (val == 3) { - puts("Setting registers VCFGEN0, VCFGEN1, VBOOT, and VCTL\n"); - set_altbank(); - read_from_px_regs(1); - read_from_px_regs_altbank(1); - puts("Enabling watchdog timer on the FPGA\n"); - puts("Resetting board with values from "); - puts("VSPEED0, VSPEED1, VCLKH and VCLKL "); - puts("to boot from the other bank.\n"); - set_px_go_with_watchdog(); - } else { - puts(cmdtp->usage); - return 1; - } + unknown_param = 1; + } + + /* + * Check that cf has all required parms + */ + if ((p_cf && !(p_cf_sysclk && p_cf_corepll && p_cf_mpxpll)) + || unknown_param) { +#ifdef CONFIG_SYS_LONGHELP + puts(cmdtp->help); +#endif + return 1; + } + + /* + * PIXIS seems to be sensitive to the ordering of + * the registers that are touched. + */ + read_from_px_regs(0); + + if (p_altbank) { + read_from_px_regs_altbank(0); + } + clear_altbank(); - while (1) ; /* Not reached */ - - } else if (strcmp(argv[2], "wd") == 0) { - /* - * Reset from alternate bank without changing - * frequencies but with watchdog timer enabled: - * altbank wd - */ - read_from_px_regs(0); - read_from_px_regs_altbank(0); - puts("Setting registers VCFGEN1, VBOOT, and VCTL\n"); - set_altbank(); - read_from_px_regs_altbank(1); - puts("Enabling watchdog timer on the FPGA\n"); - puts("Resetting board to boot from the other bank.\n"); - set_px_go_with_watchdog(); - while (1) ; /* Not reached */ - - } else { - puts(cmdtp->usage); + /* + * Clock configuration specified. + */ + if (p_cf) { + unsigned long sysclk; + unsigned long corepll; + unsigned long mpxpll; + + sysclk = simple_strtoul(p_cf_sysclk, NULL, 10); + corepll = strfractoint((uchar *) p_cf_corepll); + mpxpll = simple_strtoul(p_cf_mpxpll, NULL, 10); + + if (!(set_px_sysclk(sysclk) + && set_px_corepll(corepll) + && set_px_mpxpll(mpxpll))) { +#ifdef CONFIG_SYS_LONGHELP + puts(cmdtp->help); +#endif return 1; } + read_from_px_regs(1); + } + + /* + * Altbank specified + * + * NOTE CHANGE IN BEHAVIOR: previous code would default + * to enabling watchdog if altbank is specified. + * Now the watchdog must be enabled explicitly using 'wd'. + */ + if (p_altbank) { + set_altbank(); + read_from_px_regs_altbank(1); + } + /* + * Reset with watchdog specified. + */ + if (p_wd) { + set_px_go_with_watchdog(); } else { - puts(cmdtp->usage); - return 1; + set_px_go(); } + /* + * Shouldn't be reached. + */ return 0; } U_BOOT_CMD( - pixis_reset, CFG_MAXARGS, 1, pixis_reset_cmd, - "pixis_reset - Reset the board using the FPGA sequencer\n", + pixis_reset, CONFIG_SYS_MAXARGS, 1, pixis_reset_cmd, + "Reset the board using the FPGA sequencer", " pixis_reset\n" " pixis_reset [altbank]\n" " pixis_reset altbank wd\n" " pixis_reset altbank cf \n" - " pixis_reset cf \n" - ); -#endif /* CONFIG_FSL_PIXIS */ + " pixis_reset cf " +);