From patchwork Thu Sep 22 17:21:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 673624 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3sg4vR2mDXz9s65 for ; Fri, 23 Sep 2016 04:36:19 +1000 (AEST) Received: from localhost ([::1]:56513 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bn8r3-0006av-0N for incoming@patchwork.ozlabs.org; Thu, 22 Sep 2016 14:36:17 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37506) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bn7hb-0005h2-Gb for qemu-devel@nongnu.org; Thu, 22 Sep 2016 13:22:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bn7hY-0002dk-Qw for qemu-devel@nongnu.org; Thu, 22 Sep 2016 13:22:26 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:47092) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bn7hY-0002Yn-JH for qemu-devel@nongnu.org; Thu, 22 Sep 2016 13:22:24 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.84_2) (envelope-from ) id 1bn7hU-0007EJ-SN for qemu-devel@nongnu.org; Thu, 22 Sep 2016 18:22:20 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Date: Thu, 22 Sep 2016 18:21:48 +0100 Message-Id: <1474564935-23831-10-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1474564935-23831-1-git-send-email-peter.maydell@linaro.org> References: <1474564935-23831-1-git-send-email-peter.maydell@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 09/36] aspeed: add a ast2500 SoC and support to the SCU and SDMC controllers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Cédric Le Goater Based on previous work done by Andrew Jeffery . Signed-off-by: Cédric Le Goater Reviewed-by: Andrew Jeffery Reviewed-by: Peter Maydell Message-id: 1473438177-26079-9-git-send-email-clg@kaod.org Signed-off-by: Peter Maydell --- hw/arm/aspeed_soc.c | 2 ++ hw/misc/aspeed_scu.c | 45 +++++++++++++++++++++++++- hw/misc/aspeed_sdmc.c | 1 + include/hw/misc/aspeed_scu.h | 75 ++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 122 insertions(+), 1 deletion(-) diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index 07c9c90..93bc7bb 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -38,10 +38,12 @@ static const int uart_irqs[] = { 9, 32, 33, 34, 10 }; static const int timer_irqs[] = { 16, 17, 18, 35, 36, 37, 38, 39, }; #define AST2400_SDRAM_BASE 0x40000000 +#define AST2500_SDRAM_BASE 0x80000000 static const AspeedSoCInfo aspeed_socs[] = { { "ast2400-a0", "arm926", AST2400_A0_SILICON_REV, AST2400_SDRAM_BASE }, { "ast2400", "arm926", AST2400_A0_SILICON_REV, AST2400_SDRAM_BASE }, + { "ast2500-a1", "arm1176", AST2500_A1_SILICON_REV, AST2500_SDRAM_BASE }, }; /* diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c index c7e2c82..b1f3e6f 100644 --- a/hw/misc/aspeed_scu.c +++ b/hw/misc/aspeed_scu.c @@ -120,6 +120,41 @@ static const uint32_t ast2400_a0_resets[ASPEED_SCU_NR_REGS] = { [BMC_DEV_ID] = 0x00002402U }; +/* SCU70 bit 23: 0 24Mhz. bit 11:9: 0b001 AXI:ABH ratio 2:1 */ +/* AST2500 revision A1 */ + +static const uint32_t ast2500_a1_resets[ASPEED_SCU_NR_REGS] = { + [SYS_RST_CTRL] = 0xFFCFFEDCU, + [CLK_SEL] = 0xF3F40000U, + [CLK_STOP_CTRL] = 0x19FC3E8BU, + [D2PLL_PARAM] = 0x00026108U, + [MPLL_PARAM] = 0x00030291U, + [HPLL_PARAM] = 0x93000400U, + [MISC_CTRL1] = 0x00000010U, + [PCI_CTRL1] = 0x20001A03U, + [PCI_CTRL2] = 0x20001A03U, + [PCI_CTRL3] = 0x04000030U, + [SYS_RST_STATUS] = 0x00000001U, + [SOC_SCRATCH1] = 0x000000C0U, /* SoC completed DRAM init */ + [MISC_CTRL2] = 0x00000023U, + [RNG_CTRL] = 0x0000000EU, + [PINMUX_CTRL2] = 0x0000F000U, + [PINMUX_CTRL3] = 0x03000000U, + [PINMUX_CTRL4] = 0x00000000U, + [PINMUX_CTRL5] = 0x0000A000U, + [WDT_RST_CTRL] = 0x023FFFF3U, + [PINMUX_CTRL8] = 0xFFFF0000U, + [PINMUX_CTRL9] = 0x000FFFFFU, + [FREE_CNTR4] = 0x000000FFU, + [FREE_CNTR4_EXT] = 0x000000FFU, + [CPU2_BASE_SEG1] = 0x80000000U, + [CPU2_BASE_SEG4] = 0x1E600000U, + [CPU2_BASE_SEG5] = 0xC0000000U, + [UART_HPLL_CLK] = 0x00001903U, + [PCIE_CTRL] = 0x0000007BU, + [BMC_DEV_ID] = 0x00002402U +}; + static uint64_t aspeed_scu_read(void *opaque, hwaddr offset, unsigned size) { AspeedSCUState *s = ASPEED_SCU(opaque); @@ -198,6 +233,10 @@ static void aspeed_scu_reset(DeviceState *dev) case AST2400_A0_SILICON_REV: reset = ast2400_a0_resets; break; + case AST2500_A0_SILICON_REV: + case AST2500_A1_SILICON_REV: + reset = ast2500_a1_resets; + break; default: g_assert_not_reached(); } @@ -208,7 +247,11 @@ static void aspeed_scu_reset(DeviceState *dev) s->regs[HW_STRAP2] = s->hw_strap2; } -static uint32_t aspeed_silicon_revs[] = { AST2400_A0_SILICON_REV, }; +static uint32_t aspeed_silicon_revs[] = { + AST2400_A0_SILICON_REV, + AST2500_A0_SILICON_REV, + AST2500_A1_SILICON_REV, +}; bool is_supported_silicon_rev(uint32_t silicon_rev) { diff --git a/hw/misc/aspeed_sdmc.c b/hw/misc/aspeed_sdmc.c index fc4217b..244e5c0 100644 --- a/hw/misc/aspeed_sdmc.c +++ b/hw/misc/aspeed_sdmc.c @@ -196,6 +196,7 @@ static void aspeed_sdmc_reset(DeviceState *dev) break; case AST2500_A0_SILICON_REV: + case AST2500_A1_SILICON_REV: s->regs[R_CONF] |= ASPEED_SDMC_HW_VERSION(1) | ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) | diff --git a/include/hw/misc/aspeed_scu.h b/include/hw/misc/aspeed_scu.h index 4d3e770..14ffc43 100644 --- a/include/hw/misc/aspeed_scu.h +++ b/include/hw/misc/aspeed_scu.h @@ -33,6 +33,7 @@ typedef struct AspeedSCUState { #define AST2400_A0_SILICON_REV 0x02000303U #define AST2500_A0_SILICON_REV 0x04000303U +#define AST2500_A1_SILICON_REV 0x04010303U extern bool is_supported_silicon_rev(uint32_t silicon_rev); @@ -154,4 +155,78 @@ extern bool is_supported_silicon_rev(uint32_t silicon_rev); #define AST2400_SPI_BOOT 2 #define AST2400_DIS_BOOT 3 +/* + * Hardware strapping register definition (for Aspeed AST2500 SoC and + * higher) + * + * 31 Enable SPI Flash Strap Auto Fetch Mode + * 30 Enable GPIO Strap Mode + * 29 Select UART Debug Port + * 28 Reserved (1) + * 27 Enable fast reset mode for ARM ICE debugger + * 26 Enable eSPI flash mode + * 25 Enable eSPI mode + * 24 Select DDR4 SDRAM + * 23 Select 25 MHz reference clock input mode + * 22 Enable GPIOE pass-through mode + * 21 Enable GPIOD pass-through mode + * 20 Disable LPC to decode SuperIO 0x2E/0x4E address + * 19 Enable ACPI function + * 18 Select USBCKI input frequency + * 17 Enable BMC 2nd boot watchdog timer + * 16 SuperIO configuration address selection + * 15 VGA Class Code selection + * 14 Select dedicated LPC reset input + * 13:12 SPI mode selection + * 11:9 AXI/AHB clock frequency ratio selection + * 8 Reserved (0) + * 7 Define MAC#2 interface + * 6 Define MAC#1 interface + * 5 Enable dedicated VGA BIOS ROM + * 4 Reserved (0) + * 3:2 VGA memory size selection + * 1 Reserved (1) + * 0 Disable CPU boot + */ +#define SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE (0x1 << 31) +#define SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE (0x1 << 30) +#define SCU_AST2500_HW_STRAP_UART_DEBUG (0x1 << 29) +#define UART_DEBUG_UART1 0 +#define UART_DEBUG_UART5 1 +#define SCU_AST2500_HW_STRAP_RESERVED28 (0x1 << 28) + +#define SCU_AST2500_HW_STRAP_FAST_RESET_DBG (0x1 << 27) +#define SCU_AST2500_HW_STRAP_ESPI_FLASH_ENABLE (0x1 << 26) +#define SCU_AST2500_HW_STRAP_ESPI_ENABLE (0x1 << 25) +#define SCU_AST2500_HW_STRAP_DDR4_ENABLE (0x1 << 24) + +#define SCU_AST2500_HW_STRAP_ACPI_ENABLE (0x1 << 19) +#define SCU_AST2500_HW_STRAP_USBCKI_FREQ (0x1 << 18) +#define USBCKI_FREQ_24MHZ 0 +#define USBCKI_FREQ_28MHZ 1 + +#define SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(x) ((x) << 9) +#define SCU_AST2500_HW_STRAP_GET_AXI_AHB_RATIO(x) (((x) >> 9) & 7) +#define SCU_AST2500_HW_STRAP_CPU_AXI_RATIO_MASK (0x7 << 9) +#define AXI_AHB_RATIO_UNDEFINED 0 +#define AXI_AHB_RATIO_2_1 1 +#define AXI_AHB_RATIO_3_1 2 +#define AXI_AHB_RATIO_4_1 3 +#define AXI_AHB_RATIO_5_1 4 +#define AXI_AHB_RATIO_6_1 5 +#define AXI_AHB_RATIO_7_1 6 +#define AXI_AHB_RATIO_8_1 7 + +#define SCU_AST2500_HW_STRAP_RESERVED1 (0x1 << 1) +#define SCU_AST2500_HW_STRAP_DIS_BOOT (0x1 << 0) + +#define AST2500_HW_STRAP1_DEFAULTS ( \ + SCU_AST2500_HW_STRAP_RESERVED28 | \ + SCU_HW_STRAP_2ND_BOOT_WDT | \ + SCU_HW_STRAP_VGA_CLASS_CODE | \ + SCU_HW_STRAP_LPC_RESET_PIN | \ + SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(AXI_AHB_RATIO_2_1) | \ + SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \ + SCU_AST2500_HW_STRAP_RESERVED1) + #endif /* ASPEED_SCU_H */