Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/84026?usp=email )
Change subject: soc/mediatek/mt8196: Add EINT support ......................................................................
soc/mediatek/mt8196: Add EINT support
Add support to configure GPIOs to pull for external interrupts (EINT).
BUG=b:334723688 TEST=Talk with Ti50 TPM using IRQ flow.
Change-Id: Ibeb2dafcd9909b4afbfa81728700718f01d3818f Signed-off-by: Yidi Lin yidilin@chromium.org Reviewed-on: https://review.coreboot.org/c/coreboot/+/84026 Reviewed-by: Yu-Ping Wu yupingso@google.com Tested-by: build bot (Jenkins) no-reply@coreboot.org --- M src/soc/mediatek/mt8196/Makefile.mk A src/soc/mediatek/mt8196/gpio_eint.c M src/soc/mediatek/mt8196/include/soc/addressmap.h 3 files changed, 317 insertions(+), 2 deletions(-)
Approvals: build bot (Jenkins): Verified Yu-Ping Wu: Looks good to me, approved
diff --git a/src/soc/mediatek/mt8196/Makefile.mk b/src/soc/mediatek/mt8196/Makefile.mk index c8845ac..b11778f 100644 --- a/src/soc/mediatek/mt8196/Makefile.mk +++ b/src/soc/mediatek/mt8196/Makefile.mk @@ -3,7 +3,7 @@ ifeq ($(CONFIG_SOC_MEDIATEK_MT8196),y)
all-y += ../common/flash_controller.c -all-y += ../common/gpio.c ../common/gpio_op.c gpio.c +all-y += ../common/gpio.c ../common/gpio_op.c gpio.c gpio_eint.c all-y += ../common/i2c.c i2c.c all-$(CONFIG_SPI_FLASH) += spi.c all-y += timer.c diff --git a/src/soc/mediatek/mt8196/gpio_eint.c b/src/soc/mediatek/mt8196/gpio_eint.c new file mode 100644 index 0000000..edbae73 --- /dev/null +++ b/src/soc/mediatek/mt8196/gpio_eint.c @@ -0,0 +1,308 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * This file is created based on MT8196_EINT_Datasheet + * Chapter number: 1 + */ + +#include <console/console.h> +#include <soc/addressmap.h> +#include <soc/gpio.h> + +enum { + EINT_INVALID = 0, + EINT_E, + EINT_S, + EINT_W, + EINT_N, + EINT_C, +}; + +struct eint_info { + uint8_t instance; + uint8_t index; +}; + +static struct eint_info eint_data[] = { + /* instance, index */ + [0] = { EINT_W, 0 }, + [1] = { EINT_W, 1 }, + [2] = { EINT_W, 16 }, + [3] = { EINT_W, 17 }, + [4] = { EINT_W, 2 }, + [5] = { EINT_W, 3 }, + [6] = { EINT_W, 4 }, + [7] = { EINT_W, 5 }, + [8] = { EINT_W, 6 }, + [9] = { EINT_W, 18 }, + [10] = { EINT_W, 7 }, + [11] = { EINT_W, 8 }, + [12] = { EINT_W, 9 }, + [13] = { EINT_S, 4 }, + [14] = { EINT_E, 0 }, + [15] = { EINT_S, 5 }, + [16] = { EINT_S, 6 }, + [17] = { EINT_S, 7 }, + [18] = { EINT_S, 8 }, + [19] = { EINT_S, 9 }, + [20] = { EINT_E, 1 }, + [21] = { EINT_E, 10 }, + [22] = { EINT_E, 11 }, + [23] = { EINT_E, 12 }, + [24] = { EINT_E, 13 }, + [25] = { EINT_E, 14 }, + [26] = { EINT_E, 15 }, + [27] = { EINT_E, 2 }, + [28] = { EINT_E, 16 }, + [29] = { EINT_E, 17 }, + [30] = { EINT_E, 18 }, + [31] = { EINT_E, 3 }, + [32] = { EINT_E, 19 }, + [33] = { EINT_E, 20 }, + [34] = { EINT_E, 21 }, + [35] = { EINT_E, 22 }, + [36] = { EINT_E, 23 }, + [37] = { EINT_E, 24 }, + [38] = { EINT_E, 25 }, + [39] = { EINT_W, 10 }, + [40] = { EINT_W, 11 }, + [41] = { EINT_W, 12 }, + [42] = { EINT_W, 13 }, + [43] = { EINT_W, 14 }, + [44] = { EINT_W, 19 }, + [45] = { EINT_W, 20 }, + [46] = { EINT_W, 21 }, + [47] = { EINT_W, 22 }, + [48] = { EINT_W, 23 }, + [49] = { EINT_W, 24 }, + [50] = { EINT_W, 25 }, + [51] = { EINT_W, 26 }, + [60] = { EINT_W, 27 }, + [61] = { EINT_W, 28 }, + [62] = { EINT_W, 29 }, + [63] = { EINT_W, 30 }, + [64] = { EINT_W, 31 }, + [65] = { EINT_W, 32 }, + [70] = { EINT_W, 33 }, + [71] = { EINT_W, 34 }, + [72] = { EINT_W, 35 }, + [73] = { EINT_W, 36 }, + [74] = { EINT_W, 37 }, + [79] = { EINT_W, 38 }, + [80] = { EINT_W, 39 }, + [81] = { EINT_W, 40 }, + [82] = { EINT_W, 41 }, + [83] = { EINT_W, 42 }, + [84] = { EINT_W, 43 }, + [85] = { EINT_W, 44 }, + [86] = { EINT_W, 45 }, + [87] = { EINT_W, 46 }, + [88] = { EINT_W, 47 }, + [89] = { EINT_W, 48 }, + [90] = { EINT_W, 49 }, + [91] = { EINT_W, 50 }, + [92] = { EINT_W, 15 }, + [93] = { EINT_W, 51 }, + [94] = { EINT_W, 52 }, + [95] = { EINT_W, 53 }, + [96] = { EINT_W, 54 }, + [97] = { EINT_W, 55 }, + [98] = { EINT_W, 56 }, + [103] = { EINT_W, 57 }, + [106] = { EINT_S, 10 }, + [107] = { EINT_S, 11 }, + [108] = { EINT_S, 12 }, + [109] = { EINT_S, 13 }, + [110] = { EINT_S, 0 }, + [111] = { EINT_S, 1 }, + [112] = { EINT_S, 2 }, + [113] = { EINT_S, 3 }, + [114] = { EINT_S, 14 }, + [115] = { EINT_S, 15 }, + [116] = { EINT_S, 16 }, + [117] = { EINT_S, 17 }, + [118] = { EINT_S, 18 }, + [119] = { EINT_S, 19 }, + [120] = { EINT_S, 20 }, + [121] = { EINT_S, 21 }, + [122] = { EINT_S, 22 }, + [125] = { EINT_S, 23 }, + [126] = { EINT_S, 24 }, + [127] = { EINT_S, 25 }, + [128] = { EINT_S, 26 }, + [129] = { EINT_S, 27 }, + [130] = { EINT_S, 28 }, + [137] = { EINT_E, 26 }, + [138] = { EINT_E, 27 }, + [139] = { EINT_E, 28 }, + [140] = { EINT_E, 29 }, + [141] = { EINT_E, 30 }, + [142] = { EINT_E, 31 }, + [143] = { EINT_E, 32 }, + [144] = { EINT_E, 33 }, + [145] = { EINT_E, 34 }, + [146] = { EINT_E, 35 }, + [147] = { EINT_E, 36 }, + [148] = { EINT_E, 4 }, + [149] = { EINT_E, 37 }, + [150] = { EINT_E, 5 }, + [151] = { EINT_E, 38 }, + [152] = { EINT_E, 39 }, + [153] = { EINT_E, 40 }, + [154] = { EINT_E, 41 }, + [155] = { EINT_E, 42 }, + [156] = { EINT_E, 43 }, + [157] = { EINT_E, 44 }, + [158] = { EINT_E, 45 }, + [159] = { EINT_E, 46 }, + [160] = { EINT_E, 47 }, + [161] = { EINT_E, 48 }, + [162] = { EINT_E, 49 }, + [163] = { EINT_E, 50 }, + [164] = { EINT_E, 51 }, + [165] = { EINT_E, 52 }, + [166] = { EINT_E, 53 }, + [167] = { EINT_E, 54 }, + [168] = { EINT_E, 55 }, + [169] = { EINT_E, 56 }, + [170] = { EINT_E, 57 }, + [171] = { EINT_E, 58 }, + [172] = { EINT_E, 6 }, + [173] = { EINT_E, 7 }, + [174] = { EINT_E, 8 }, + [175] = { EINT_E, 9 }, + [178] = { EINT_E, 59 }, + [179] = { EINT_E, 60 }, + [180] = { EINT_E, 61 }, + [181] = { EINT_E, 62 }, + [182] = { EINT_E, 63 }, + [183] = { EINT_E, 64 }, + [184] = { EINT_E, 65 }, + [185] = { EINT_E, 66 }, + [186] = { EINT_N, 6 }, + [187] = { EINT_N, 7 }, + [192] = { EINT_N, 8 }, + [193] = { EINT_N, 9 }, + [196] = { EINT_N, 10 }, + [197] = { EINT_N, 11 }, + [204] = { EINT_N, 12 }, + [205] = { EINT_N, 13 }, + [206] = { EINT_N, 14 }, + [207] = { EINT_N, 0 }, + [208] = { EINT_N, 1 }, + [209] = { EINT_N, 2 }, + [210] = { EINT_N, 15 }, + [211] = { EINT_N, 3 }, + [212] = { EINT_N, 4 }, + [213] = { EINT_N, 5 }, + [216] = { EINT_N, 16 }, + [217] = { EINT_N, 17 }, + [218] = { EINT_N, 18 }, + [219] = { EINT_N, 19 }, + [220] = { EINT_N, 20 }, + [221] = { EINT_N, 21 }, + [222] = { EINT_N, 22 }, + [223] = { EINT_N, 23 }, + [224] = { EINT_N, 24 }, + [225] = { EINT_N, 25 }, + [226] = { EINT_N, 26 }, + [227] = { EINT_N, 27 }, + [228] = { EINT_N, 28 }, + [229] = { EINT_N, 29 }, + [241] = { EINT_N, 30 }, + [242] = { EINT_N, 31 }, + [243] = { EINT_N, 32 }, + [245] = { EINT_N, 45 }, + [251] = { EINT_E, 67 }, + [252] = { EINT_E, 68 }, + [253] = { EINT_E, 69 }, + [254] = { EINT_E, 70 }, + [255] = { EINT_E, 71 }, + [256] = { EINT_E, 72 }, + [257] = { EINT_E, 73 }, + [258] = { EINT_E, 74 }, + [259] = { EINT_N, 33 }, + [260] = { EINT_N, 34 }, + [261] = { EINT_N, 35 }, + [262] = { EINT_N, 36 }, + [263] = { EINT_N, 37 }, + [264] = { EINT_N, 38 }, + [265] = { EINT_N, 39 }, + [266] = { EINT_N, 40 }, + [267] = { EINT_N, 41 }, + [268] = { EINT_N, 42 }, + [269] = { EINT_N, 43 }, + [270] = { EINT_N, 44 }, + [271] = { EINT_C, 0 }, + [272] = { EINT_C, 1 }, + [273] = { EINT_C, 2 }, + [274] = { EINT_C, 3 }, + [275] = { EINT_C, 4 }, + [276] = { EINT_C, 5 }, + [277] = { EINT_C, 6 }, + [278] = { EINT_C, 7 }, + [279] = { EINT_C, 8 }, + [280] = { EINT_C, 9 }, + [281] = { EINT_C, 10 }, + [282] = { EINT_C, 11 }, + [283] = { EINT_C, 12 }, + [284] = { EINT_C, 13 }, + [285] = { EINT_C, 14 }, + [286] = { EINT_C, 15 }, + [287] = { EINT_C, 16 }, + [288] = { EINT_C, 17 }, + [289] = { EINT_C, 18 }, + [290] = { EINT_C, 19 }, + [291] = { EINT_C, 20 }, + [292] = { EINT_C, 21 }, +}; +_Static_assert(ARRAY_SIZE(eint_data) == 293); + +void gpio_calc_eint_pos_bit(gpio_t gpio, u32 *pos, u32 *bit) +{ + uint32_t idx = gpio.id; + + *pos = 0; + *bit = 0; + + if (idx >= ARRAY_SIZE(eint_data)) + return; + + uint8_t index = eint_data[idx].index; + + *pos = index / MAX_EINT_REG_BITS; + *bit = index % MAX_EINT_REG_BITS; +} + +struct eint_regs *gpio_get_eint_reg(gpio_t gpio) +{ + uint32_t idx = gpio.id; + uintptr_t addr; + + if (idx >= ARRAY_SIZE(eint_data)) + return NULL; + + switch (eint_data[idx].instance) { + case EINT_E: + addr = EINT_E_BASE; + break; + case EINT_S: + addr = EINT_S_BASE; + break; + case EINT_W: + addr = EINT_W_BASE; + break; + case EINT_N: + addr = EINT_N_BASE; + break; + case EINT_C: + addr = EINT_C_BASE; + break; + default: + printk(BIOS_ERR, "%s: Failed to look up a valid EINT base for %d\n", + __func__, idx); + return NULL; + } + + return (void *)addr; +} diff --git a/src/soc/mediatek/mt8196/include/soc/addressmap.h b/src/soc/mediatek/mt8196/include/soc/addressmap.h index 67faa0e..c50ab6e 100644 --- a/src/soc/mediatek/mt8196/include/soc/addressmap.h +++ b/src/soc/mediatek/mt8196/include/soc/addressmap.h @@ -14,6 +14,14 @@ };
enum { + EINT_E_BASE = IO_PHYS + 0x02080000, + EINT_S_BASE = IO_PHYS + 0x02880000, + EINT_W_BASE = IO_PHYS + 0x03080000, + EINT_N_BASE = IO_PHYS + 0x03880000, + EINT_C_BASE = IO_PHYS + 0x0C54A000, +}; + +enum { CKSYS_BASE = IO_PHYS + 0x00000000, APMIXED_BASE = IO_PHYS + 0x00000800, INFRACFG_AO_BASE = IO_PHYS + 0x00001000, @@ -103,7 +111,6 @@ SPMI_MST_BASE = IO_PHYS + 0x0C01C000, SPMI_MST_P_BASE = IO_PHYS + 0x0C01C800, SYSTIMER_BASE = IO_PHYS + 0x0C400000, - EINT_BASE = IO_PHYS + 0x0C54A000, DSI0_BASE = IO_PHYS + 0x22490000, DISP_DVO0 = IO_PHYS + 0x224C0000, EDP_BASE = IO_PHYS + 0x2EC40000,
-
Felix Held (Code Review)