summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/arm926ejs/davinci/dm644x.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/arm926ejs/davinci/dm644x.c')
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/dm644x.c81
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/dm644x.c b/arch/arm/cpu/arm926ejs/davinci/dm644x.c
deleted file mode 100644
index c58e271e28..0000000000
--- a/arch/arm/cpu/arm926ejs/davinci/dm644x.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * SoC-specific code for tms320dm644x chips
- *
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
- * Copyright (C) 2004 Texas Instruments.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/hardware.h>
-
-
-#define PINMUX0_EMACEN (1 << 31)
-#define PINMUX0_AECS5 (1 << 11)
-#define PINMUX0_AECS4 (1 << 10)
-
-#define PINMUX1_I2C (1 << 7)
-#define PINMUX1_UART1 (1 << 1)
-#define PINMUX1_UART0 (1 << 0)
-
-
-void davinci_enable_uart0(void)
-{
- lpsc_on(DAVINCI_LPSC_UART0);
-
- /* Bringup UART0 out of reset */
- REG(UART0_PWREMU_MGMT) = 0x00006001;
-
- /* Enable UART0 MUX lines */
- REG(PINMUX1) |= PINMUX1_UART0;
-}
-
-#ifdef CONFIG_DRIVER_TI_EMAC
-void davinci_enable_emac(void)
-{
- lpsc_on(DAVINCI_LPSC_EMAC);
- lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
- lpsc_on(DAVINCI_LPSC_MDIO);
-
- /* Enable GIO3.3V cells used for EMAC */
- REG(VDD3P3V_PWDN) = 0;
-
- /* Enable EMAC. */
- REG(PINMUX0) |= PINMUX0_EMACEN;
-}
-#endif
-
-#ifdef CONFIG_SYS_I2C_DAVINCI
-void davinci_enable_i2c(void)
-{
- lpsc_on(DAVINCI_LPSC_I2C);
-
- /* Enable I2C pin Mux */
- REG(PINMUX1) |= PINMUX1_I2C;
-}
-#endif
-
-void davinci_errata_workarounds(void)
-{
- /*
- * Workaround for TMS320DM6446 errata 1.3.22:
- * PSC: PTSTAT Register Does Not Clear After Warm/Maximum Reset
- * Revision(s) Affected: 1.3 and earlier
- */
- REG(PSC_SILVER_BULLET) = 0;
-
- /*
- * Set the PR_OLD_COUNT bits in the Bus Burst Priority Register (PBBPR)
- * as suggested in TMS320DM6446 errata 2.1.2:
- *
- * On DM6446 Silicon Revision 2.1 and earlier, under certain conditions
- * low priority modules can occupy the bus and prevent high priority
- * modules like the VPSS from getting the required DDR2 throughput.
- * A hex value of 0x20 should provide a good ARM (cache enabled)
- * performance and still allow good utilization by the VPSS or other
- * modules.
- */
- REG(VBPR) = 0x20;
-}
OpenPOWER on IntegriCloud