From 1b8fec1393e33d72d0e24f55ed597673b1c9e884 Mon Sep 17 00:00:00 2001 From: Tirumala Marri Date: Tue, 28 Sep 2010 14:15:14 -0700 Subject: APM821xx: Add CPU support APM821XX is a new line of SoCs which are derivatives of PPC44X family of processors. This patch adds support of CPU, cache, tlb, 32k ocm, bootstraps, PLB and AHB bus. Signed-off-by: Tirumala R Marri Signed-off-by: Stefan Roese --- arch/powerpc/include/asm/apm821xx.h | 72 +++++++++++++++++++++++++++++++++ arch/powerpc/include/asm/ppc4xx-ebc.h | 3 +- arch/powerpc/include/asm/ppc4xx-isram.h | 14 +++++-- arch/powerpc/include/asm/ppc4xx-sdram.h | 12 +++--- arch/powerpc/include/asm/ppc4xx-uic.h | 5 ++- arch/powerpc/include/asm/ppc4xx.h | 4 ++ arch/powerpc/include/asm/processor.h | 1 + 7 files changed, 99 insertions(+), 12 deletions(-) create mode 100644 arch/powerpc/include/asm/apm821xx.h (limited to 'arch/powerpc/include') diff --git a/arch/powerpc/include/asm/apm821xx.h b/arch/powerpc/include/asm/apm821xx.h new file mode 100644 index 000000000..8841bc938 --- /dev/null +++ b/arch/powerpc/include/asm/apm821xx.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2010, Applied Micro Circuits Corporation + * Author: Tirumala R Marri + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _APM821XX_H_ +#define _APM821XX_H_ + +#define CONFIG_SDRAM_PPC4xx_IBM_DDR2 /* IBM DDR(2) controller */ + +/* Memory mapped registers */ +#define CONFIG_SYS_PERIPHERAL_BASE 0xEF600000 +#define CONFIG_SYS_NS16550_COM1 (CONFIG_SYS_PERIPHERAL_BASE + 0x0200) +#define CONFIG_SYS_NS16550_COM2 (CONFIG_SYS_PERIPHERAL_BASE + 0x0300) + +#define GPIO0_BASE (CONFIG_SYS_PERIPHERAL_BASE + 0x0700) + +#define SDR0_SRST0_DMC 0x00200000 +#define SDR0_SRST1_AHB 0x00000040 /* PLB4XAHB bridge */ + +/* AHB config. */ +#define AHB_TOP 0xA4 +#define AHB_BOT 0xA5 + +/* clk divisors */ +#define PLLSYS0_FWD_DIV_A_MASK 0x000000f0 /* Fwd Div A */ +#define PLLSYS0_FWD_DIV_B_MASK 0x0000000f /* Fwd Div B */ +#define PLLSYS0_FB_DIV_MASK 0x0000ff00 /* Feedback divisor */ +#define PLLSYS0_OPB_DIV_MASK 0x0c000000 /* OPB Divisor */ +#define PLLSYS0_EPB_DIV_MASK 0x00000300 /* EPB divisor */ +#define PLLSYS0_EXTSL_MASK 0x00000080 /* PerClk feedback path */ +#define PLLSYS0_PLBEDV0_DIV_MASK 0xe0000000/* PLB Early Clk Div*/ +#define PLLSYS0_PERCLK_DIV_MASK 0x03000000 /* Peripheral Clk Divisor */ +#define PLLSYS0_SEL_MASK 0x18000000 /* 0 = PLL, 1 = PerClk */ + +/* + + * Clocking Controller + + */ +#define CPR0_CLKUPD 0x0020 +#define CPR0_PLLC 0x0040 +#define CPR0_PLLC_SEL(pllc) (((pllc) & 0x01000000) >> 24) +#define CPR0_PLLD 0x0060 +#define CPR0_PLLD_FDV(plld) (((plld) & 0xff000000) >> 24) +#define CPR0_PLLD_FWDVA(plld) (((plld) & 0x000f0000) >> 16) +#define CPR0_CPUD 0x0080 +#define CPR0_CPUD_CPUDV(cpud) (((cpud) & 0x07000000) >> 24) +#define CPR0_PLB2D 0x00a0 +#define CPR0_PLB2D_PLB2DV(plb2d) (((plb2d) & 0x06000000) >> 25) +#define CPR0_OPBD 0x00c0 +#define CPR0_OPBD_OPBDV(opbd) (((opbd) & 0x03000000) >> 24) +#define CPR0_PERD 0x00e0 +#define CPR0_PERD_PERDV(perd) (((perd) & 0x03000000) >> 24) +#define CPR0_DDR2D 0x0100 +#define CPR0_DDR2D_DDR2DV(ddr2d) (((ddr2d) & 0x06000000) >> 25) +#define CLK_ICFG 0x0140 + +#endif /* _APM821XX_H_ */ diff --git a/arch/powerpc/include/asm/ppc4xx-ebc.h b/arch/powerpc/include/asm/ppc4xx-ebc.h index 9c17e4625..75af13000 100644 --- a/arch/powerpc/include/asm/ppc4xx-ebc.h +++ b/arch/powerpc/include/asm/ppc4xx-ebc.h @@ -69,7 +69,8 @@ #define EBC_NUM_BANKS 6 #endif -#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) +#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_APM821XX) #define EBC_NUM_BANKS 3 #endif diff --git a/arch/powerpc/include/asm/ppc4xx-isram.h b/arch/powerpc/include/asm/ppc4xx-isram.h index d6d17ac96..32e1297d0 100644 --- a/arch/powerpc/include/asm/ppc4xx-isram.h +++ b/arch/powerpc/include/asm/ppc4xx-isram.h @@ -25,7 +25,8 @@ /* * Internal SRAM */ -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_APM821XX) #define ISRAM0_DCR_BASE 0x380 #else #define ISRAM0_DCR_BASE 0x020 @@ -42,7 +43,8 @@ #define ISRAM0_REVID (ISRAM0_DCR_BASE+0x09) /* SRAM bus revision id reg */ #define ISRAM0_DPC (ISRAM0_DCR_BASE+0x0a) /* SRAM data parity check reg */ -#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_APM821XX) #define ISRAM1_DCR_BASE 0x0B0 #define ISRAM1_SB0CR (ISRAM1_DCR_BASE+0x00) /* SRAM1 bank config 0*/ #define ISRAM1_BEAR (ISRAM1_DCR_BASE+0x04) /* SRAM1 bus error addr reg */ @@ -54,13 +56,19 @@ #define ISRAM1_DPC (ISRAM1_DCR_BASE+0x0a) /* SRAM1 data parity check reg */ #endif /* CONFIG_460EX || CONFIG_460GT */ +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define ISRAM1_SIZE 0x0984 /* OCM size 64k */ +#elif defined(CONFIG_APM821XX) +#define ISRAM1_SIZE 0x0784 /* OCM size 32k */ +#endif + /* * L2 Cache */ #if defined (CONFIG_440GX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ - defined(CONFIG_460SX) + defined(CONFIG_460SX) || defined(CONFIG_APM821XX) #define L2_CACHE_BASE 0x030 #define L2_CACHE_CFG (L2_CACHE_BASE+0x00) /* L2 Cache Config */ #define L2_CACHE_CMD (L2_CACHE_BASE+0x01) /* L2 Cache Command */ diff --git a/arch/powerpc/include/asm/ppc4xx-sdram.h b/arch/powerpc/include/asm/ppc4xx-sdram.h index ac150c268..d570d7915 100644 --- a/arch/powerpc/include/asm/ppc4xx-sdram.h +++ b/arch/powerpc/include/asm/ppc4xx-sdram.h @@ -292,7 +292,7 @@ */ #if defined(CONFIG_440SPE) || \ defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ - defined(CONFIG_460SX) + defined(CONFIG_460SX) || defined(CONFIG_APM821XX) #define SDRAM_RXBAS_SDBA_MASK 0xFFE00000 /* Base address */ #define SDRAM_RXBAS_SDBA_ENCODE(n) ((u32)(((phys_size_t)(n) >> 2) & 0xFFE00000)) #define SDRAM_RXBAS_SDBA_DECODE(n) ((((phys_size_t)(n)) & 0xFFE00000) << 2) @@ -365,7 +365,7 @@ /* * Memory controller registers */ -#ifdef CONFIG_405EX +#if defined(CONFIG_405EX) || defined(CONFIG_APM821XX) #define SDRAM_BESR 0x00 /* PLB bus error status (read/clear) */ #define SDRAM_BESRT 0x01 /* PLB bus error status (test/set) */ #define SDRAM_BEARL 0x02 /* PLB bus error address low */ @@ -375,9 +375,9 @@ #define SDRAM_PLBOPT 0x08 /* PLB slave options */ #define SDRAM_PUABA 0x09 /* PLB upper address base */ #define SDRAM_MCSTAT 0x1F /* memory controller status */ -#else /* CONFIG_405EX */ +#else /* CONFIG_405EX || CONFIG_APM821XX */ #define SDRAM_MCSTAT 0x14 /* memory controller status */ -#endif /* CONFIG_405EX */ +#endif /* CONFIG_405EX || CONFIG_APM821XX */ #define SDRAM_MCOPT1 0x20 /* memory controller options 1 */ #define SDRAM_MCOPT2 0x21 /* memory controller options 2 */ #define SDRAM_MODT0 0x22 /* on die termination for bank 0 */ @@ -423,12 +423,12 @@ #define SDRAM_MEMODE 0x89 /* memory extended mode */ #define SDRAM_ECCES 0x98 /* ECC error status */ #define SDRAM_CID 0xA4 /* core ID */ -#ifndef CONFIG_405EX +#if !defined(CONFIG_405EX) && !defined(CONFIG_APM821XX) #define SDRAM_RID 0xA8 /* revision ID */ #endif #define SDRAM_FCSR 0xB0 /* feedback calibration status */ #define SDRAM_RTSR 0xB1 /* run time status tracking */ -#ifdef CONFIG_405EX +#if defined(CONFIG_405EX) || defined(CONFIG_APM821XX) #define SDRAM_RID 0xF8 /* revision ID */ #endif diff --git a/arch/powerpc/include/asm/ppc4xx-uic.h b/arch/powerpc/include/asm/ppc4xx-uic.h index 782d0454b..3714a0a4f 100644 --- a/arch/powerpc/include/asm/ppc4xx-uic.h +++ b/arch/powerpc/include/asm/ppc4xx-uic.h @@ -31,7 +31,7 @@ */ #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ - defined(CONFIG_460SX) + defined(CONFIG_460SX) || defined(CONFIG_APM821XX) #define UIC_MAX 4 #elif defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_405EX) @@ -252,7 +252,8 @@ #define VECNUM_ETH0 (32 + 28) #endif /* CONFIG_440SPE */ -#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ + defined(CONFIG_APM821XX) /* UIC 0 */ #define VECNUM_UIC2NCI 10 #define VECNUM_UIC2CI 11 diff --git a/arch/powerpc/include/asm/ppc4xx.h b/arch/powerpc/include/asm/ppc4xx.h index 87a16ec98..1b98f8b7b 100644 --- a/arch/powerpc/include/asm/ppc4xx.h +++ b/arch/powerpc/include/asm/ppc4xx.h @@ -79,6 +79,10 @@ #include #endif +#if defined(CONFIG_APM821XX) +#include +#endif + /* * Configure which SDRAM/DDR/DDR2 controller is equipped */ diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 84a1e2ec0..9cafe85f1 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -916,6 +916,7 @@ #define PVR_460SX_RA_V1 0x13541801 /* 460SX rev A Variant 1 Security disabled */ #define PVR_460GX_RA 0x13541802 /* 460GX rev A */ #define PVR_460GX_RA_V1 0x13541803 /* 460GX rev A Variant 1 Security disabled */ +#define PVR_APM821XX_RA 0x12C41C80 /* APM821XX rev A */ #define PVR_601 0x00010000 #define PVR_602 0x00050000 #define PVR_603 0x00030000 -- cgit v1.2.3