From b7089e98e7d230d9e6be615f9d28397cc06119d2 Mon Sep 17 00:00:00 2001 From: Jason Chen Date: Wed, 29 Mar 2023 14:59:32 +0800 Subject: soc/mediatek/mt8188: Add GPIO driving functions Add GPIO driving functions to adjust pin driving. This implementation is according to chapter 5.2 in MT8188 Functional Specification. BUG=b:270911452 TEST=build pass Change-Id: I87cb8dc00c90fd5b3c0b8bdf5acb92b6f7393a73 Signed-off-by: Jason Chen Reviewed-on: https://review.coreboot.org/c/coreboot/+/74063 Reviewed-by: Rex-BC Chen Reviewed-by: Yidi Lin Reviewed-by: Yu-Ping Wu Tested-by: build bot (Jenkins) --- src/soc/mediatek/mt8188/gpio.c | 247 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 247 insertions(+) (limited to 'src/soc/mediatek') diff --git a/src/soc/mediatek/mt8188/gpio.c b/src/soc/mediatek/mt8188/gpio.c index ecadb3f8f00c..a98f7ef9b560 100644 --- a/src/soc/mediatek/mt8188/gpio.c +++ b/src/soc/mediatek/mt8188/gpio.c @@ -8,6 +8,227 @@ #include #include +#define SPI_AP_GPIO_BASE 125 + +enum { + SPI_AP_CLK_ROM = 0, + SPI_AP_CS_ROM_L = 1, + SPI_AP_DO_ROM_DI = 2, + SPI_AP_DI_ROM_DO = 3, +}; + +static const struct gpio_drv_info bootblock_gpio_driving_info[] = { + [SPI_AP_CLK_ROM] = { 0x20, 24, 3, }, + [SPI_AP_CS_ROM_L] = { 0x20, 24, 3, }, + [SPI_AP_DO_ROM_DI] = { 0x20, 24, 3, }, + [SPI_AP_DI_ROM_DO] = { 0x20, 27, 3, }, +}; + +static const struct gpio_drv_info gpio_driving_info[] = { + [0] = { 0x00, 24, 3, }, + [1] = { 0x00, 27, 3, }, + [2] = { 0x10, 0, 3, }, + [3] = { 0x10, 3, 3, }, + [4] = { 0x20, 9, 3, }, + [5] = { 0x20, 9, 3, }, + [6] = { 0x20, 9, 3, }, + [7] = { 0x10, 6, 3, }, + [8] = { 0x10, 9, 3, }, + [9] = { 0x10, 12, 3, }, + [10] = { 0x10, 15, 3, }, + [11] = { 0x20, 12, 3, }, + [12] = { 0x10, 24, 3, }, + [13] = { 0x10, 27, 3, }, + [14] = { 0x20, 0, 3, }, + [15] = { 0x20, 3, 3, }, + [16] = { 0x10, 15, 3, }, + [17] = { 0x10, 15, 3, }, + [18] = { 0x00, 27, 3, }, + [19] = { 0x00, 27, 3, }, + [20] = { 0x00, 27, 3, }, + [21] = { 0x00, 27, 3, }, + [22] = { 0x00, 0, 3, }, + [23] = { 0x00, 3, 3, }, + [24] = { 0x00, 6, 3, }, + [25] = { 0x20, 6, 3, }, + [26] = { 0x20, 6, 3, }, + [27] = { 0x20, 6, 3, }, + [28] = { 0x20, 9, 3, }, + [29] = { 0x20, 3, 3, }, + [30] = { 0x20, 6, 3, }, + [31] = { 0x20, 12, 3, }, + [32] = { 0x20, 12, 3, }, + [33] = { 0x20, 15, 3, }, + [34] = { 0x20, 15, 3, }, + [35] = { 0x20, 12, 3, }, + [36] = { 0x20, 15, 3, }, + [37] = { 0x10, 27, 3, }, + [38] = { 0x10, 18, 3, }, + [39] = { 0x10, 21, 3, }, + [40] = { 0x10, 24, 3, }, + [41] = { 0x20, 0, 3, }, + [42] = { 0x20, 18, 3, }, + [43] = { 0x20, 18, 3, }, + [44] = { 0x20, 18, 3, }, + [45] = { 0x20, 21, 3, }, + [46] = { 0x10, 15, 3, }, + [47] = { 0x20, 3, 3, }, + [48] = { 0x20, 3, 3, }, + [49] = { 0x20, 3, 3, }, + [50] = { 0x00, 6, 3, }, + [51] = { 0x00, 3, 3, }, + [52] = { 0x00, 0, 3, }, + [53] = { 0x00, 9, 3, }, + [54] = { 0x00, 12, 3, }, + [55] = { 0x20, 27, 3, }, + [56] = { 0x30, 6, 3, }, + [57] = { 0x30, 9, 3, }, + [58] = { 0x30, 15, 3, }, + [59] = { 0x30, 0, 3, }, + [60] = { 0x30, 9, 3, }, + [61] = { 0x30, 3, 3, }, + [62] = { 0x30, 12, 3, }, + [63] = { 0x30, 12, 3, }, + [64] = { 0x30, 18, 3, }, + [65] = { 0x10, 0, 3, }, + [66] = { 0x10, 6, 3, }, + [67] = { 0x10, 3, 3, }, + [68] = { 0x10, 9, 3, }, + [69] = { 0x30, 18, 3, }, + [70] = { 0x30, 15, 3, }, + [71] = { 0x40, 0, 3, }, + [72] = { 0x30, 27, 3, }, + [73] = { 0x30, 21, 3, }, + [74] = { 0x30, 24, 3, }, + [75] = { 0x40, 6, 3, }, + [76] = { 0x40, 3, 3, }, + [77] = { 0x40, 12, 3, }, + [78] = { 0x40, 9, 3, }, + [79] = { 0x10, 15, 3, }, + [80] = { 0x10, 12, 3, }, + [81] = { 0x10, 21, 3, }, + [82] = { 0x10, 18, 3, }, + [83] = { 0x30, 0, 3, }, + [84] = { 0x20, 27, 3, }, + [85] = { 0x30, 0, 3, }, + [86] = { 0x20, 6, 3, }, + [87] = { 0x20, 6, 3, }, + [88] = { 0x20, 6, 3, }, + [89] = { 0x20, 6, 3, }, + [90] = { 0x30, 0, 3, }, + [91] = { 0x30, 0, 3, }, + [92] = { 0x20, 9, 3, }, + [93] = { 0x20, 9, 3, }, + [94] = { 0x20, 9, 3, }, + [95] = { 0x20, 9, 3, }, + [96] = { 0x20, 21, 3, }, + [97] = { 0x20, 21, 3, }, + [98] = { 0x20, 24, 3, }, + [99] = { 0x20, 21, 3, }, + [100] = { 0x30, 6, 3, }, + [101] = { 0x00, 0, 3, }, + [102] = { 0x00, 15, 3, }, + [103] = { 0x00, 9, 3, }, + [104] = { 0x00, 12, 3, }, + [105] = { 0x00, 3, 3, }, + [106] = { 0x00, 6, 3, }, + [107] = { 0x20, 6, 3, }, + [108] = { 0x20, 6, 3, }, + [109] = { 0x20, 6, 3, }, + [110] = { 0x20, 6, 3, }, + [111] = { 0x20, 15, 3, }, + [112] = { 0x20, 15, 3, }, + [113] = { 0x20, 15, 3, }, + [114] = { 0x20, 12, 3, }, + [115] = { 0x20, 12, 3, }, + [116] = { 0x20, 12, 3, }, + [117] = { 0x20, 12, 3, }, + [118] = { 0x20, 12, 3, }, + [119] = { 0x20, 15, 3, }, + [120] = { 0x20, 18, 3, }, + [121] = { 0x10, 3, 3, }, + [122] = { 0x10, 12, 3, }, + [123] = { 0x10, 9, 3, }, + [124] = { 0x10, 6, 3, }, + [125] = { 0x20, 24, 3, }, + [126] = { 0x20, 24, 3, }, + [127] = { 0x20, 24, 3, }, + [128] = { 0x20, 27, 3, }, + [129] = { 0x20, 27, 3, }, + [130] = { 0x20, 27, 3, }, + [131] = { 0x00, 0, 3, }, + [132] = { 0x00, 15, 3, }, + [133] = { 0x00, 18, 3, }, + [134] = { 0x00, 21, 3, }, + [135] = { 0x20, 15, 3, }, + [136] = { 0x20, 18, 3, }, + [137] = { 0x20, 18, 3, }, + [138] = { 0x20, 18, 3, }, + [139] = { 0x20, 18, 3, }, + [140] = { 0x20, 21, 3, }, + [141] = { 0x20, 21, 3, }, + [142] = { 0x20, 21, 3, }, + [143] = { 0x00, 3, 3, }, + [144] = { 0x00, 6, 3, }, + [145] = { 0x00, 9, 3, }, + [146] = { 0x00, 12, 3, }, + [147] = { 0x20, 21, 3, }, + [148] = { 0x20, 24, 3, }, + [149] = { 0x20, 24, 3, }, + [150] = { 0x20, 24, 3, }, + [151] = { 0x10, 15, 3, }, + [152] = { 0x10, 12, 3, }, + [153] = { 0x10, 9, 3, }, + [154] = { 0x10, 6, 3, }, + [155] = { 0x10, 21, 3, }, + [156] = { 0x00, 21, 3, }, + [157] = { 0x00, 18, 3, }, + [158] = { 0x10, 3, 3, }, + [159] = { 0x10, 0, 3, }, + [160] = { 0x00, 27, 3, }, + [161] = { 0x00, 24, 3, }, + [162] = { 0x10, 18, 3, }, + [163] = { 0x00, 12, 3, }, + [164] = { 0x00, 9, 3, }, + [165] = { 0x00, 15, 3, }, + [166] = { 0x00, 18, 3, }, + [167] = { 0x00, 21, 3, }, + [168] = { 0x00, 24, 3, }, + [169] = { 0x00, 18, 3, }, + [170] = { 0x00, 15, 3, }, + [171] = { 0x00, 21, 3, }, + [172] = { 0x00, 24, 3, }, + [173] = { 0x00, 27, 3, }, + [174] = { 0x10, 0, 3, }, + [175] = { 0x30, 3, 3, }, + [176] = { 0x30, 3, 3, }, +}; + +_Static_assert(ARRAY_SIZE(gpio_driving_info) == GPIO_NUM, + "gpio_driving_info array size not match"); + +/* Unimplemented GPIOs are intentionally omitted here with width=0 */ +static const struct gpio_drv_info gpio_driving_adv_info[] = { + [53] = { 0x20, 0, 3, }, + [54] = { 0x20, 3, 3, }, + [55] = { 0x60, 0, 3, }, + [56] = { 0x60, 9, 3, }, + [57] = { 0x50, 0, 3, }, + [58] = { 0x50, 6, 3, }, + [59] = { 0x60, 3, 3, }, + [60] = { 0x60, 12, 3, }, + [61] = { 0x60, 6, 3, }, + [62] = { 0x60, 15, 3, }, + [63] = { 0x50, 3, 3, }, + [64] = { 0x50, 9, 3, }, + [65] = { 0x30, 0, 3, }, + [66] = { 0x30, 6, 3, }, + [67] = { 0x30, 3, 3, }, + [68] = { 0x30, 9, 3, }, + [175] = { 0x50, 12, 3, }, + [176] = { 0x50, 15, 3, }, +}; + void *gpio_find_reg_addr(gpio_t gpio) { void *reg_addr; @@ -31,3 +252,29 @@ void *gpio_find_reg_addr(gpio_t gpio) return reg_addr; } + +const struct gpio_drv_info *get_gpio_driving_info(uint32_t raw_id) +{ + if (ENV_BOOTBLOCK) { + uint32_t id = raw_id - SPI_AP_GPIO_BASE; + + if (id >= ARRAY_SIZE(bootblock_gpio_driving_info)) + return NULL; + return &bootblock_gpio_driving_info[id]; + } else { + if (raw_id >= ARRAY_SIZE(gpio_driving_info)) + return NULL; + return &gpio_driving_info[raw_id]; + } +} + +const struct gpio_drv_info *get_gpio_driving_adv_info(uint32_t raw_id) +{ + if (ENV_BOOTBLOCK) { + return NULL; + } else { + if (raw_id >= ARRAY_SIZE(gpio_driving_adv_info)) + return NULL; + return &gpio_driving_adv_info[raw_id]; + } +} -- cgit v1.2.3