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Tue, 03 Sep 2024 08:40:10 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: Samuel Tardieu , qemu-devel@nongnu.org Cc: devel@lists.libvirt.org, Magnus Damm , qemu-block@nongnu.org, Yoshinori Sato , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 2/3] hw/block: Remove TC58128 NAND EEPROM Date: Tue, 3 Sep 2024 17:39:58 +0200 Message-ID: <20240903153959.18392-3-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240903153959.18392-1-philmd@linaro.org> References: <20240903153959.18392-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42e; envelope-from=philmd@linaro.org; helo=mail-wr1-x42e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1725378073709116600 The TC58128 NAND EEPROM is not user creatable and needs to be instanciated in the code via tc58128_init(). Only the SHIX machine was using it, and it was removed in the previous commit. Since the TC58128 has no more users, remove it too. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- MAINTAINERS | 6 -- include/hw/sh4/sh.h | 3 - hw/block/tc58128.c | 211 ------------------------------------------- hw/block/Kconfig | 3 - hw/block/meson.build | 1 - 5 files changed, 224 deletions(-) delete mode 100644 hw/block/tc58128.c diff --git a/MAINTAINERS b/MAINTAINERS index c8e4e3329c..55f41ecbc4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1676,12 +1676,6 @@ F: hw/timer/sh_timer.c F: include/hw/sh4/sh_intc.h F: include/hw/timer/tmu012.h =20 -TC58128 NAND EEPROM -R: Yoshinori Sato -R: Magnus Damm -S: Odd Fixes -F: hw/block/tc58128.c - SPARC Machines -------------- Sun4m diff --git a/include/hw/sh4/sh.h b/include/hw/sh4/sh.h index ec716cdd45..b726b987cc 100644 --- a/include/hw/sh4/sh.h +++ b/include/hw/sh4/sh.h @@ -60,7 +60,4 @@ int sh7750_register_io_device(struct SH7750State *s, /* sh7750.c */ qemu_irq sh7750_irl(struct SH7750State *s); =20 -/* tc58128.c */ -int tc58128_init(struct SH7750State *s, const char *zone1, const char *zon= e2); - #endif diff --git a/hw/block/tc58128.c b/hw/block/tc58128.c deleted file mode 100644 index 0984e37417..0000000000 --- a/hw/block/tc58128.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - * TC58128 NAND EEPROM emulation - * - * Copyright (c) 2005 Samuel Tardieu - * - * Permission is hereby granted, free of charge, to any person obtaining a= copy - * of this software and associated documentation files (the "Software"), t= o deal - * in the Software without restriction, including without limitation the r= ights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or se= ll - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the ne= xt - * paragraph) shall be included in all copies or substantial portions of t= he - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS= OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OT= HER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING= FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS = IN - * THE SOFTWARE. - * - * SPDX-License-Identifier: MIT - */ -#include "qemu/osdep.h" -#include "qemu/units.h" -#include "hw/sh4/sh.h" -#include "hw/loader.h" -#include "sysemu/qtest.h" -#include "qemu/error-report.h" - -#define CE1 0x0100 -#define CE2 0x0200 -#define RE 0x0400 -#define WE 0x0800 -#define ALE 0x1000 -#define CLE 0x2000 -#define RDY1 0x4000 -#define RDY2 0x8000 -#define RDY(n) ((n) =3D=3D 0 ? RDY1 : RDY2) - -typedef enum { WAIT, READ1, READ2, READ3 } state_t; - -typedef struct { - uint8_t *flash_contents; - state_t state; - uint32_t address; - uint8_t address_cycle; -} tc58128_dev; - -static tc58128_dev tc58128_devs[2]; - -#define FLASH_SIZE (16 * MiB) - -static void init_dev(tc58128_dev * dev, const char *filename) -{ - int ret, blocks; - - dev->state =3D WAIT; - dev->flash_contents =3D g_malloc(FLASH_SIZE); - memset(dev->flash_contents, 0xff, FLASH_SIZE); - if (filename) { - /* Load flash image skipping the first block */ - ret =3D load_image_size(filename, dev->flash_contents + 528 * 32, - FLASH_SIZE - 528 * 32); - if (ret < 0) { - if (!qtest_enabled()) { - error_report("Could not load flash image %s", filename); - exit(1); - } - } else { - /* Build first block with number of blocks */ - blocks =3D DIV_ROUND_UP(ret, 528 * 32); - dev->flash_contents[0] =3D blocks & 0xff; - dev->flash_contents[1] =3D (blocks >> 8) & 0xff; - dev->flash_contents[2] =3D (blocks >> 16) & 0xff; - dev->flash_contents[3] =3D (blocks >> 24) & 0xff; - fprintf(stderr, "loaded %d bytes for %s into flash\n", ret, - filename); - } - } -} - -static void handle_command(tc58128_dev * dev, uint8_t command) -{ - switch (command) { - case 0xff: - fprintf(stderr, "reset flash device\n"); - dev->state =3D WAIT; - break; - case 0x00: - fprintf(stderr, "read mode 1\n"); - dev->state =3D READ1; - dev->address_cycle =3D 0; - break; - case 0x01: - fprintf(stderr, "read mode 2\n"); - dev->state =3D READ2; - dev->address_cycle =3D 0; - break; - case 0x50: - fprintf(stderr, "read mode 3\n"); - dev->state =3D READ3; - dev->address_cycle =3D 0; - break; - default: - fprintf(stderr, "unknown flash command 0x%02x\n", command); - abort(); - } -} - -static void handle_address(tc58128_dev * dev, uint8_t data) -{ - switch (dev->state) { - case READ1: - case READ2: - case READ3: - switch (dev->address_cycle) { - case 0: - dev->address =3D data; - if (dev->state =3D=3D READ2) - dev->address |=3D 0x100; - else if (dev->state =3D=3D READ3) - dev->address |=3D 0x200; - break; - case 1: - dev->address +=3D data * 528 * 0x100; - break; - case 2: - dev->address +=3D data * 528; - fprintf(stderr, "address pointer in flash: 0x%08x\n", - dev->address); - break; - default: - /* Invalid data */ - abort(); - } - dev->address_cycle++; - break; - default: - abort(); - } -} - -static uint8_t handle_read(tc58128_dev * dev) -{ -#if 0 - if (dev->address % 0x100000 =3D=3D 0) - fprintf(stderr, "reading flash at address 0x%08x\n", dev->address); -#endif - return dev->flash_contents[dev->address++]; -} - -/* We never mark the device as busy, so interrupts cannot be triggered - XXXXX */ - -static int tc58128_cb(uint16_t porta, uint16_t portb, - uint16_t * periph_pdtra, uint16_t * periph_portadir, - uint16_t * periph_pdtrb, uint16_t * periph_portbdir) -{ - int dev; - - if ((porta & CE1) =3D=3D 0) - dev =3D 0; - else if ((porta & CE2) =3D=3D 0) - dev =3D 1; - else - return 0; /* No device selected */ - - if ((porta & RE) && (porta & WE)) { - /* Nothing to do, assert ready and return to input state */ - *periph_portadir &=3D 0xff00; - *periph_portadir |=3D RDY(dev); - *periph_pdtra |=3D RDY(dev); - return 1; - } - - if (porta & CLE) { - /* Command */ - assert((porta & WE) =3D=3D 0); - handle_command(&tc58128_devs[dev], porta & 0x00ff); - } else if (porta & ALE) { - assert((porta & WE) =3D=3D 0); - handle_address(&tc58128_devs[dev], porta & 0x00ff); - } else if ((porta & RE) =3D=3D 0) { - *periph_portadir |=3D 0x00ff; - *periph_pdtra &=3D 0xff00; - *periph_pdtra |=3D handle_read(&tc58128_devs[dev]); - } else { - abort(); - } - return 1; -} - -static sh7750_io_device tc58128 =3D { - RE | WE, /* Port A triggers */ - 0, /* Port B triggers */ - tc58128_cb /* Callback */ -}; - -int tc58128_init(struct SH7750State *s, const char *zone1, const char *zon= e2) -{ - if (!qtest_enabled()) { - warn_report_once("The TC58128 flash device is deprecated"); - } - init_dev(&tc58128_devs[0], zone1); - init_dev(&tc58128_devs[1], zone2); - return sh7750_register_io_device(s, &tc58128); -} diff --git a/hw/block/Kconfig b/hw/block/Kconfig index 9e8f28f982..ef6709b106 100644 --- a/hw/block/Kconfig +++ b/hw/block/Kconfig @@ -28,9 +28,6 @@ config ECC config ONENAND bool =20 -config TC58128 - bool - config VIRTIO_BLK bool default y diff --git a/hw/block/meson.build b/hw/block/meson.build index 8aa4dc3893..0fb0f41f42 100644 --- a/hw/block/meson.build +++ b/hw/block/meson.build @@ -15,7 +15,6 @@ system_ss.add(when: 'CONFIG_SSI_M25P80', if_true: files('= m25p80.c')) system_ss.add(when: 'CONFIG_SSI_M25P80', if_true: files('m25p80_sfdp.c')) system_ss.add(when: 'CONFIG_SWIM', if_true: files('swim.c')) system_ss.add(when: 'CONFIG_XEN_BUS', if_true: files('xen-block.c')) -system_ss.add(when: 'CONFIG_TC58128', if_true: files('tc58128.c')) =20 specific_ss.add(when: 'CONFIG_VIRTIO_BLK', if_true: files('virtio-blk.c', = 'virtio-blk-common.c')) specific_ss.add(when: 'CONFIG_VHOST_USER_BLK', if_true: files('vhost-user-= blk.c', 'virtio-blk-common.c')) --=20 2.45.2