[S] Change in coreboot[main]: soc/mediatek/mt8189: Reduce bootblock size by separating SPI NOR GPIOs

[Vince Liu (Code Review)]

Vince Liu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/86538?usp=email )

Change subject: soc/mediatek/mt8189: Reduce bootblock size by separating SPI NOR GPIOs
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soc/mediatek/mt8189: Reduce bootblock size by separating SPI NOR GPIOs

In the bootblock stage, only SPI NOR related GPIOs are used.
To optimize the code size, separate the SPI NOR GPIO driving information.
This modification reduces the bootblock code size by 1KB.

BUG=b:379008996
BRANCH=none
TEST=booted successfully

Signed-off-by: Vince Liu 
Change-Id: If7e8e5c7db59b5f181db14f6e66df2f333dbb6d4
---
M src/soc/mediatek/mt8189/gpio.c
1 file changed, 37 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/86538/1

diff --git a/src/soc/mediatek/mt8189/gpio.c b/src/soc/mediatek/mt8189/gpio.c
index 27179c3..dde8d14 100644
--- a/src/soc/mediatek/mt8189/gpio.c
+++ b/src/soc/mediatek/mt8189/gpio.c
@@ -8,6 +8,26 @@
 #include <device/mmio.h>
 #include <gpio.h>

+#define SPI_NOR_GPIO_BASE	150
+
+enum {
+	SPI_NOR_CK = 0,
+	SPI_NOR_CS = 1,
+	SPI_NOR_IO0 = 2,
+	SPI_NOR_IO1 = 3,
+	SPI_NOR_IO2 = 4,
+	SPI_NOR_IO3 = 5,
+};
+
+static const struct gpio_drv_info bootblock_gpio_driving_info[] = {
+	[SPI_NOR_CK] = { 0x10, 12, 3, },
+	[SPI_NOR_CS] = { 0x10, 27, 3, },
+	[SPI_NOR_IO0] = { 0x10, 15, 3, },
+	[SPI_NOR_IO1] = { 0x10, 18, 3, },
+	[SPI_NOR_IO2] = { 0x10, 21, 3, },
+	[SPI_NOR_IO3] = { 0x10, 24, 3, },
+};
+
 static const struct gpio_drv_info gpio_driving_info[] = {
    [0] = { 0x10, 15, 3, },
    [1] = { 0x10, 9, 3, },
@@ -261,14 +281,26 @@

const struct gpio_drv_info *get_gpio_driving_info(uint32_t raw_id)
 {
-	if (raw_id >= ARRAY_SIZE(gpio_driving_info))
-		return NULL;
-	return &gpio_driving_info[raw_id];
+	if (ENV_BOOTBLOCK) {
+		uint32_t id = raw_id - SPI_NOR_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 (raw_id >= ARRAY_SIZE(gpio_driving_adv_info))
+	if (ENV_BOOTBLOCK) {
    	return NULL;
-	return &gpio_driving_adv_info[raw_id];
+	} else {
+		if (raw_id >= ARRAY_SIZE(gpio_driving_adv_info))
+			return NULL;
+		return &gpio_driving_adv_info[raw_id];
+	}
 }