diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/davinci/dm644x.c')
-rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/dm644x.c | 81 |
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 c58e271..0000000 --- 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; -} |