Nothing is calling the function rk_board_init() and the io-domain driver
can handle the functions intended purpose based on information from DT.

Cleanup by removing the unused rk_board_init() function and re-sort
included headers.

Signed-off-by: Jonas Karlman <jo...@kwiboo.se>
---
 arch/arm/mach-rockchip/rk3308/rk3308.c | 69 +-------------------------
 1 file changed, 1 insertion(+), 68 deletions(-)

diff --git a/arch/arm/mach-rockchip/rk3308/rk3308.c 
b/arch/arm/mach-rockchip/rk3308/rk3308.c
index 03d97e1d7460..6916f1a24441 100644
--- a/arch/arm/mach-rockchip/rk3308/rk3308.c
+++ b/arch/arm/mach-rockchip/rk3308/rk3308.c
@@ -3,15 +3,12 @@
  *Copyright (c) 2018 Rockchip Electronics Co., Ltd
  */
 #include <init.h>
-#include <malloc.h>
+#include <asm/armv8/mmu.h>
 #include <asm/arch-rockchip/bootrom.h>
 #include <asm/arch-rockchip/grf_rk3308.h>
 #include <asm/arch-rockchip/hardware.h>
-#include <asm/gpio.h>
-#include <debug_uart.h>
 #include <linux/bitops.h>
 
-#include <asm/armv8/mmu.h>
 static struct mm_region rk3308_mem_map[] = {
        {
                .virt = 0x0UL,
@@ -38,22 +35,6 @@ struct mm_region *mem_map = rk3308_mem_map;
 #define SGRF_BASE      0xff2b0000
 
 enum {
-       GPIO1C7_SHIFT           = 8,
-       GPIO1C7_MASK            = GENMASK(11, 8),
-       GPIO1C7_GPIO            = 0,
-       GPIO1C7_UART1_RTSN,
-       GPIO1C7_UART2_TX_M0,
-       GPIO1C7_SPI2_MOSI,
-       GPIO1C7_JTAG_TMS,
-
-       GPIO1C6_SHIFT           = 4,
-       GPIO1C6_MASK            = GENMASK(7, 4),
-       GPIO1C6_GPIO            = 0,
-       GPIO1C6_UART1_CTSN,
-       GPIO1C6_UART2_RX_M0,
-       GPIO1C6_SPI2_MISO,
-       GPIO1C6_JTAG_TCLK,
-
        GPIO4D3_SHIFT           = 6,
        GPIO4D3_MASK            = GENMASK(7, 6),
        GPIO4D3_GPIO            = 0,
@@ -116,60 +97,12 @@ enum {
        GPIO2A2_SEL_SRC_CTRL_SEL_PLUS   = 1,
 };
 
-enum {
-       IOVSEL3_CTRL_SHIFT      = 8,
-       IOVSEL3_CTRL_MASK       = BIT(8),
-       VCCIO3_SEL_BY_GPIO      = 0,
-       VCCIO3_SEL_BY_IOVSEL3,
-
-       IOVSEL3_SHIFT           = 3,
-       IOVSEL3_MASK            = BIT(3),
-       VCCIO3_3V3              = 0,
-       VCCIO3_1V8,
-};
-
-/*
- * The voltage of VCCIO3(which is the voltage domain of emmc/flash/sfc
- * interface) can indicated by GPIO0_A4 or io_vsel3. The SOC defaults
- * use GPIO0_A4 to indicate power supply voltage for VCCIO3 by hardware,
- * then we can switch to io_vsel3 after system power on, and release GPIO0_A4
- * for other usage.
- */
-
-#define GPIO0_A4       4
-
 const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
        [BROM_BOOTSOURCE_EMMC] = "/mmc@ff490000",
        [BROM_BOOTSOURCE_SPINOR] = "/spi@ff4c0000/flash@0",
        [BROM_BOOTSOURCE_SD] = "/mmc@ff480000",
 };
 
-int rk_board_init(void)
-{
-       static struct rk3308_grf * const grf = (void *)GRF_BASE;
-       u32 val;
-       int ret;
-
-       ret = gpio_request(GPIO0_A4, "gpio0_a4");
-       if (ret < 0) {
-               printf("request for gpio0_a4 failed:%d\n", ret);
-               return 0;
-       }
-
-       gpio_direction_input(GPIO0_A4);
-
-       if (gpio_get_value(GPIO0_A4))
-               val = VCCIO3_SEL_BY_IOVSEL3 << IOVSEL3_CTRL_SHIFT |
-                     VCCIO3_1V8 << IOVSEL3_SHIFT;
-       else
-               val = VCCIO3_SEL_BY_IOVSEL3 << IOVSEL3_CTRL_SHIFT |
-                     VCCIO3_3V3 << IOVSEL3_SHIFT;
-       rk_clrsetreg(&grf->soc_con0, IOVSEL3_CTRL_MASK | IOVSEL3_MASK, val);
-
-       gpio_free(GPIO0_A4);
-       return 0;
-}
-
 #ifdef CONFIG_DEBUG_UART_BOARD_INIT
 __weak void board_debug_uart_init(void)
 {
-- 
2.46.2

Reply via email to