diff options
Diffstat (limited to 'board/renesas/porter')
-rw-r--r-- | board/renesas/porter/porter_spl.c | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/board/renesas/porter/porter_spl.c b/board/renesas/porter/porter_spl.c index eb34469a71c..533b0b41e9c 100644 --- a/board/renesas/porter/porter_spl.c +++ b/board/renesas/porter/porter_spl.c @@ -21,20 +21,439 @@ #include <spl.h> #define TMU0_MSTP125 BIT(25) +#define SCIF0_MSTP721 BIT(21) +#define QSPI_MSTP917 BIT(17) #define SD2CKCR 0xE615026C #define SD_97500KHZ 0x7 +#ifdef CONFIG_TPL_BUILD +struct reg_config { + u16 off; + u32 val; +}; + +static void dbsc_wait(u16 reg) +{ + static const u32 dbsc3_0_base = DBSC3_0_BASE; + static const u32 dbsc3_1_base = DBSC3_0_BASE + 0x10000; + + while (!(readl(dbsc3_0_base + reg) & BIT(0))) + ; + + while (!(readl(dbsc3_1_base + reg) & BIT(0))) + ; +} + +static void tpl_init_sys(void) +{ + u32 r0 = 0; + + writel(0xa5a5a500, 0xe6020004); + writel(0xa5a5a500, 0xe6030004); + + asm volatile( + /* ICIALLU - Invalidate I$ to PoU */ + "mcr 15, 0, %0, cr7, cr5, 0 \n" + /* BPIALL - Invalidate branch predictors */ + "mcr 15, 0, %0, cr7, cr5, 6 \n" + /* Set SCTLR[IZ] */ + "mrc 15, 0, %0, cr1, cr0, 0 \n" + "orr %0, #0x1800 \n" + "mcr 15, 0, %0, cr1, cr0, 0 \n" + "isb sy \n" + :"=r"(r0)); +} + +static void tpl_init_pfc(void) +{ + static const struct reg_config pfc_with_unlock[] = { + { 0x0090, 0x60000000 }, + { 0x0094, 0x60000000 }, + { 0x0098, 0x00800200 }, + { 0x009c, 0x00000000 }, + { 0x0020, 0x00000000 }, + { 0x0024, 0x00000000 }, + { 0x0028, 0x000244c8 }, + { 0x002c, 0x00000000 }, + { 0x0030, 0x00002400 }, + { 0x0034, 0x01520000 }, + { 0x0038, 0x00724003 }, + { 0x003c, 0x00000000 }, + { 0x0040, 0x00000000 }, + { 0x0044, 0x00000000 }, + { 0x0048, 0x00000000 }, + { 0x004c, 0x00000000 }, + { 0x0050, 0x00000000 }, + { 0x0054, 0x00000000 }, + { 0x0058, 0x00000000 }, + { 0x005c, 0x00000000 }, + { 0x0160, 0x00000000 }, + { 0x0004, 0xffffffff }, + { 0x0008, 0x00ec3fff }, + { 0x000c, 0x3bc001e7 }, + { 0x0010, 0x5bffffff }, + { 0x0014, 0x1ffffffb }, + { 0x0018, 0x01bffff0 }, + { 0x001c, 0xcf7fffff }, + { 0x0074, 0x0381fc00 }, + }; + + static const struct reg_config pfc_without_unlock[] = { + { 0x0100, 0xffffffdf }, + { 0x0104, 0xc883c3ff }, + { 0x0108, 0x1201f3c9 }, + { 0x010c, 0x00000000 }, + { 0x0110, 0xffffeb04 }, + { 0x0114, 0xc003ffff }, + { 0x0118, 0x0800000f }, + { 0x011c, 0x00187ff0 }, + }; + + static const u32 pfc_base = 0xe6060000; + + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(pfc_with_unlock); i++) { + writel(~pfc_with_unlock[i].val, pfc_base); + writel(pfc_with_unlock[i].val, + pfc_base | pfc_with_unlock[i].off); + } + + for (i = 0; i < ARRAY_SIZE(pfc_without_unlock); i++) + writel(pfc_without_unlock[i].val, + pfc_base | pfc_without_unlock[i].off); +} + +static void tpl_init_gpio(void) +{ + static const u16 gpio_offs[] = { + 0x1000, 0x2000, 0x3000, 0x4000, 0x5000, 0x5400, 0x5800 + }; + + static const struct reg_config gpio_set[] = { + { 0x2000, 0x04381000 }, + { 0x5000, 0x00000000 }, + { 0x5800, 0x000e0000 }, + }; + + static const struct reg_config gpio_clr[] = { + { 0x1000, 0x00000000 }, + { 0x2000, 0x04381010 }, + { 0x3000, 0x00000000 }, + { 0x4000, 0x00000000 }, + { 0x5000, 0x00400000 }, + { 0x5400, 0x00000000 }, + { 0x5800, 0x000e0380 }, + }; + + static const u32 gpio_base = 0xe6050000; + + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(gpio_offs); i++) + writel(0, gpio_base | 0x20 | gpio_offs[i]); + + for (i = 0; i < ARRAY_SIZE(gpio_offs); i++) + writel(0, gpio_base | 0x00 | gpio_offs[i]); + + for (i = 0; i < ARRAY_SIZE(gpio_set); i++) + writel(gpio_set[i].val, gpio_base | 0x08 | gpio_set[i].off); + + for (i = 0; i < ARRAY_SIZE(gpio_clr); i++) + writel(gpio_clr[i].val, gpio_base | 0x04 | gpio_clr[i].off); +} + +static void tpl_init_lbsc(void) +{ + static const struct reg_config lbsc_config[] = { + { 0x00, 0x00000020 }, + { 0x08, 0x00002020 }, + { 0x10, 0x2a103320 }, + { 0x18, 0xff70ff70 }, + }; + + static const u16 lbsc_offs[] = { + 0x80, 0x84, 0x88, 0x8c, 0xa0, 0xc0, 0xc4, 0xc8, 0x180 + }; + + static const u32 lbsc_base = 0xfec00200; + + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(lbsc_config); i++) { + writel(lbsc_config[i].val, + lbsc_base | lbsc_config[i].off); + writel(lbsc_config[i].val, + lbsc_base | (lbsc_config[i].off + 4)); + } + + for (i = 0; i < ARRAY_SIZE(lbsc_offs); i++) + writel(0, lbsc_base | lbsc_offs[i]); +} + +static void tpl_init_dbsc(void) +{ + static const struct reg_config dbsc_config1[] = { + { 0x0280, 0x0000a55a }, + { 0x4000, 0x0000a55a }, + { 0x4008, 0x00000001 }, + { 0x0018, 0x21000000 }, + { 0x0018, 0x11000000 }, + { 0x0018, 0x10000000 }, + { 0x0290, 0x00000001 }, + { 0x02a0, 0x80000000 }, + { 0x0290, 0x00000004 }, + }; + + static const struct reg_config dbsc_config2[] = { + { 0x0290, 0x00000006 }, + { 0x02a0, 0x0001c000 }, + }; + + static const struct reg_config dbsc_config3r0d0[] = { + { 0x0290, 0x0000000f }, + { 0x02a0, 0x00181885 }, + { 0x0290, 0x00000070 }, + { 0x02a0, 0x7c000887 }, + { 0x0290, 0x00000080 }, + { 0x02a0, 0x7c000887 }, + { 0x0290, 0x00000090 }, + { 0x02a0, 0x7c000887 }, + { 0x0290, 0x000000a0 }, + { 0x02a0, 0x7c000887 }, + { 0x0290, 0x000000b0 }, + { 0x02a0, 0x7c000880 }, + { 0x0290, 0x000000c0 }, + { 0x02a0, 0x7c000880 }, + { 0x0290, 0x000000d0 }, + { 0x02a0, 0x7c000880 }, + { 0x0290, 0x000000e0 }, + { 0x02a0, 0x7c000880 }, + }; + static const struct reg_config dbsc_config3r0d1[] = { + { 0x0290, 0x0000000f }, + { 0x02a0, 0x00181885 }, + { 0x0290, 0x00000070 }, + { 0x02a0, 0x7c000887 }, + { 0x0290, 0x00000080 }, + { 0x02a0, 0x7c000887 }, + { 0x0290, 0x00000090 }, + { 0x02a0, 0x7c000887 }, + { 0x0290, 0x000000a0 }, + { 0x02a0, 0x7c000887 }, + }; + + static const struct reg_config dbsc_config3r2[] = { + { 0x0290, 0x0000000f }, + { 0x02a0, 0x00181224 }, + }; + + static const struct reg_config dbsc_config4[] = { + { 0x0290, 0x00000010 }, + { 0x02a0, 0xf004649b }, + { 0x0290, 0x00000061 }, + { 0x02a0, 0x0000006d }, + { 0x0290, 0x00000001 }, + { 0x02a0, 0x00000073 }, + { 0x0020, 0x00000007 }, + { 0x0024, 0x0f030a02 }, + { 0x0030, 0x00000001 }, + { 0x00b0, 0x00000000 }, + { 0x0040, 0x0000000b }, + { 0x0044, 0x00000008 }, + { 0x0048, 0x00000000 }, + { 0x0050, 0x0000000b }, + { 0x0054, 0x000c000b }, + { 0x0058, 0x00000027 }, + { 0x005c, 0x0000001c }, + { 0x0060, 0x00000006 }, + { 0x0064, 0x00000020 }, + { 0x0068, 0x00000008 }, + { 0x006c, 0x0000000c }, + { 0x0070, 0x00000009 }, + { 0x0074, 0x00000012 }, + { 0x0078, 0x000000d0 }, + { 0x007c, 0x00140005 }, + { 0x0080, 0x00050004 }, + { 0x0084, 0x70233005 }, + { 0x0088, 0x000c0000 }, + { 0x008c, 0x00000200 }, + { 0x0090, 0x00000040 }, + { 0x0100, 0x00000001 }, + { 0x00c0, 0x00020001 }, + { 0x00c8, 0x20042004 }, + { 0x0380, 0x00020002 }, + { 0x0390, 0x0000001f }, + }; + + static const struct reg_config dbsc_config5[] = { + { 0x0244, 0x00000011 }, + { 0x0290, 0x00000003 }, + { 0x02a0, 0x0300c561 }, + { 0x0290, 0x00000023 }, + { 0x02a0, 0x00fcdb60 }, + { 0x0290, 0x00000011 }, + { 0x02a0, 0x1000040b }, + { 0x0290, 0x00000012 }, + { 0x02a0, 0x9d9cbb66 }, + { 0x0290, 0x00000013 }, + { 0x02a0, 0x1a868400 }, + { 0x0290, 0x00000014 }, + { 0x02a0, 0x300214d8 }, + { 0x0290, 0x00000015 }, + { 0x02a0, 0x00000d70 }, + { 0x0290, 0x00000016 }, + { 0x02a0, 0x00000006 }, + { 0x0290, 0x00000017 }, + { 0x02a0, 0x00000018 }, + { 0x0290, 0x0000001a }, + { 0x02a0, 0x910035c7 }, + { 0x0290, 0x00000004 }, + }; + + static const struct reg_config dbsc_config6[] = { + { 0x0290, 0x00000001 }, + { 0x02a0, 0x00000181 }, + { 0x0018, 0x11000000 }, + { 0x0290, 0x00000004 }, + }; + + static const struct reg_config dbsc_config7[] = { + { 0x0290, 0x00000001 }, + { 0x02a0, 0x0000fe01 }, + { 0x0304, 0x00000000 }, + { 0x00f4, 0x01004c20 }, + { 0x00f8, 0x014a00b9 }, + { 0x00e0, 0x00000140 }, + { 0x00e4, 0x00081860 }, + { 0x00e8, 0x00010000 }, + { 0x0290, 0x00000004 }, + }; + + static const struct reg_config dbsc_config8[] = { + { 0x0014, 0x00000001 }, + { 0x0290, 0x00000010 }, + { 0x02a0, 0xf00464db }, + { 0x4008, 0x00000000 }, + { 0x4000, 0x00000000 }, + { 0x0010, 0x00000001 }, + { 0x0280, 0x00000000 }, + }; + + static const u32 dbsc3_0_base = DBSC3_0_BASE; + static const u32 dbsc3_1_base = DBSC3_0_BASE + 0x10000; + static const u32 prr_base = 0xff000044; + const u16 prr_rev = readl(prr_base) & 0x7fff; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(dbsc_config1); i++) { + writel(dbsc_config1[i].val, dbsc3_0_base | dbsc_config1[i].off); + writel(dbsc_config1[i].val, dbsc3_1_base | dbsc_config1[i].off); + } + + dbsc_wait(0x2a0); + + for (i = 0; i < ARRAY_SIZE(dbsc_config2); i++) { + writel(dbsc_config2[i].val, dbsc3_0_base | dbsc_config2[i].off); + writel(dbsc_config2[i].val, dbsc3_1_base | dbsc_config2[i].off); + } + + if (prr_rev == 0x4700) { + for (i = 0; i < ARRAY_SIZE(dbsc_config3r0d0); i++) { + writel(dbsc_config3r0d0[i].val, + dbsc3_0_base | dbsc_config3r0d0[i].off); + } + for (i = 0; i < ARRAY_SIZE(dbsc_config3r0d1); i++) { + writel(dbsc_config3r0d1[i].val, + dbsc3_1_base | dbsc_config3r0d1[i].off); + } + } else if (prr_rev != 0x4710) { + for (i = 0; i < ARRAY_SIZE(dbsc_config3r2); i++) { + writel(dbsc_config3r2[i].val, + dbsc3_0_base | dbsc_config3r2[i].off); + writel(dbsc_config3r2[i].val, + dbsc3_1_base | dbsc_config3r2[i].off); + } + } + + for (i = 0; i < ARRAY_SIZE(dbsc_config4); i++) { + writel(dbsc_config4[i].val, dbsc3_0_base | dbsc_config4[i].off); + writel(dbsc_config4[i].val, dbsc3_1_base | dbsc_config4[i].off); + } + + dbsc_wait(0x240); + + for (i = 0; i < ARRAY_SIZE(dbsc_config5); i++) { + writel(dbsc_config5[i].val, dbsc3_0_base | dbsc_config5[i].off); + writel(dbsc_config5[i].val, dbsc3_1_base | dbsc_config5[i].off); + } + + dbsc_wait(0x2a0); + + for (i = 0; i < ARRAY_SIZE(dbsc_config6); i++) { + writel(dbsc_config6[i].val, dbsc3_0_base | dbsc_config6[i].off); + writel(dbsc_config6[i].val, dbsc3_1_base | dbsc_config6[i].off); + } + + dbsc_wait(0x2a0); + + for (i = 0; i < ARRAY_SIZE(dbsc_config7); i++) { + writel(dbsc_config7[i].val, dbsc3_0_base | dbsc_config7[i].off); + writel(dbsc_config7[i].val, dbsc3_1_base | dbsc_config7[i].off); + } + + dbsc_wait(0x2a0); + + for (i = 0; i < ARRAY_SIZE(dbsc_config8); i++) { + writel(dbsc_config8[i].val, dbsc3_0_base | dbsc_config8[i].off); + writel(dbsc_config8[i].val, dbsc3_1_base | dbsc_config8[i].off); + } + +} + +static void tpl_init_qspi(void) +{ + mstp_clrbits_le32(MSTPSR9, SMSTPCR9, QSPI_MSTP917); + + static const u32 qspi_base = 0xe6b10000; + + writeb(0x08, qspi_base + 0x00); + writeb(0x00, qspi_base + 0x01); + writeb(0x06, qspi_base + 0x02); + writeb(0x01, qspi_base + 0x0a); + writeb(0x00, qspi_base + 0x0b); + writeb(0x00, qspi_base + 0x0c); + writeb(0x00, qspi_base + 0x0d); + writeb(0x00, qspi_base + 0x0e); + + writew(0xe080, qspi_base + 0x10); + + writeb(0xc0, qspi_base + 0x18); + writeb(0x00, qspi_base + 0x18); + writeb(0x00, qspi_base + 0x08); + writeb(0x48, qspi_base + 0x00); +} + void board_init_f(ulong dummy) { mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); + mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721); /* * SD0 clock is set to 97.5MHz by default. * Set SD2 to the 97.5MHz as well. */ writel(SD_97500KHZ, SD2CKCR); + + tpl_init_sys(); + tpl_init_pfc(); + tpl_init_gpio(); + tpl_init_lbsc(); + tpl_init_dbsc(); + tpl_init_qspi(); } +#endif void spl_board_init(void) { |