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Diffstat (limited to 'arch/arm/cpu/armv7/sunxi/clock_sun9i.c')
-rw-r--r--arch/arm/cpu/armv7/sunxi/clock_sun9i.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun9i.c b/arch/arm/cpu/armv7/sunxi/clock_sun9i.c
deleted file mode 100644
index 180634c..0000000
--- a/arch/arm/cpu/armv7/sunxi/clock_sun9i.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * sun9i specific clock code
- *
- * (C) Copyright 2015 Hans de Goede <hdegoede@redhat.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/prcm.h>
-#include <asm/arch/sys_proto.h>
-
-void clock_init_uart(void)
-{
- struct sunxi_ccm_reg *const ccm =
- (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-
- /* open the clock for uart */
- setbits_le32(&ccm->apb1_gate,
- CLK_GATE_OPEN << (APB1_GATE_UART_SHIFT +
- CONFIG_CONS_INDEX - 1));
- /* deassert uart reset */
- setbits_le32(&ccm->apb1_reset_cfg,
- 1 << (APB1_RESET_UART_SHIFT +
- CONFIG_CONS_INDEX - 1));
-
- /* Dup with clock_init_safe(), drop once sun9i SPL support lands */
- writel(PLL4_CFG_DEFAULT, &ccm->pll4_periph0_cfg);
-}
-
-int clock_twi_onoff(int port, int state)
-{
- struct sunxi_ccm_reg *const ccm =
- (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-
- if (port > 4)
- return -1;
-
- /* set the apb reset and clock gate for twi */
- if (state) {
- setbits_le32(&ccm->apb1_gate,
- CLK_GATE_OPEN << (APB1_GATE_TWI_SHIFT + port));
- setbits_le32(&ccm->apb1_reset_cfg,
- 1 << (APB1_RESET_TWI_SHIFT + port));
- } else {
- clrbits_le32(&ccm->apb1_reset_cfg,
- 1 << (APB1_RESET_TWI_SHIFT + port));
- clrbits_le32(&ccm->apb1_gate,
- CLK_GATE_OPEN << (APB1_GATE_TWI_SHIFT + port));
- }
-
- return 0;
-}
-
-unsigned int clock_get_pll4_periph0(void)
-{
- struct sunxi_ccm_reg *const ccm =
- (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
- uint32_t rval = readl(&ccm->pll4_periph0_cfg);
- int n = ((rval & CCM_PLL4_CTRL_N_MASK) >> CCM_PLL4_CTRL_N_SHIFT);
- int p = ((rval & CCM_PLL4_CTRL_P_MASK) >> CCM_PLL4_CTRL_P_SHIFT);
- int m = ((rval & CCM_PLL4_CTRL_M_MASK) >> CCM_PLL4_CTRL_M_SHIFT) + 1;
- const int k = 1;
-
- return ((24000000 * n * k) >> p) / m;
-}